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-rw-r--r--go.mod5
-rw-r--r--go.sum10
-rw-r--r--vendor/github.com/matttproud/golang_protobuf_extensions/v2/LICENSE201
-rw-r--r--vendor/github.com/matttproud/golang_protobuf_extensions/v2/NOTICE1
-rw-r--r--vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/.gitignore1
-rw-r--r--vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/Makefile7
-rw-r--r--vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/decode.go81
-rw-r--r--vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/doc.go16
-rw-r--r--vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/encode.go49
-rw-r--r--vendor/github.com/prometheus/client_golang/prometheus/testutil/promlint/promlint.go2
-rw-r--r--vendor/github.com/prometheus/common/expfmt/decode.go27
-rw-r--r--vendor/github.com/prometheus/common/expfmt/encode.go78
-rw-r--r--vendor/github.com/prometheus/common/expfmt/expfmt.go144
-rw-r--r--vendor/github.com/prometheus/common/expfmt/openmetrics_create.go85
-rw-r--r--vendor/github.com/prometheus/common/expfmt/text_create.go118
-rw-r--r--vendor/github.com/prometheus/common/expfmt/text_parse.go8
-rw-r--r--vendor/github.com/prometheus/common/model/alert.go4
-rw-r--r--vendor/github.com/prometheus/common/model/labels.go22
-rw-r--r--vendor/github.com/prometheus/common/model/metadata.go28
-rw-r--r--vendor/github.com/prometheus/common/model/metric.go368
-rw-r--r--vendor/github.com/prometheus/common/model/signature.go6
-rw-r--r--vendor/github.com/prometheus/common/model/silence.go2
-rw-r--r--vendor/github.com/prometheus/common/model/value.go16
-rw-r--r--vendor/github.com/prometheus/common/model/value_float.go14
-rw-r--r--vendor/google.golang.org/protobuf/encoding/protodelim/protodelim.go160
-rw-r--r--vendor/modules.txt10
26 files changed, 944 insertions, 519 deletions
diff --git a/go.mod b/go.mod
index 1a0d27972..ac74e8193 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@ require (
github.com/google/go-cmp v0.6.0
github.com/gorilla/handlers v1.5.2
github.com/ianlancetaylor/demangle v0.0.0-20230524184225-eabc099b10ab
- github.com/prometheus/client_golang v1.18.0
+ github.com/prometheus/client_golang v1.19.0
github.com/stretchr/testify v1.8.4
github.com/ulikunitz/xz v0.5.11
golang.org/x/net v0.21.0
@@ -141,7 +141,6 @@ require (
github.com/mattn/go-colorable v0.1.13 // indirect
github.com/mattn/go-isatty v0.0.17 // indirect
github.com/mattn/go-runewidth v0.0.14 // indirect
- github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 // indirect
github.com/mbilski/exhaustivestruct v1.2.0 // indirect
github.com/mgechev/revive v1.3.4 // indirect
github.com/mitchellh/go-homedir v1.1.0 // indirect
@@ -156,7 +155,7 @@ require (
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/polyfloyd/go-errorlint v1.4.5 // indirect
github.com/prometheus/client_model v0.5.0 // indirect
- github.com/prometheus/common v0.45.0 // indirect
+ github.com/prometheus/common v0.48.0 // indirect
github.com/prometheus/procfs v0.12.0 // indirect
github.com/quasilyte/go-ruleguard v0.4.0 // indirect
github.com/quasilyte/gogrep v0.5.0 // indirect
diff --git a/go.sum b/go.sum
index 4f78cd2bb..1c2e1f5bd 100644
--- a/go.sum
+++ b/go.sum
@@ -457,8 +457,6 @@ github.com/mattn/go-runewidth v0.0.14 h1:+xnbZSEeDbOIg5/mE6JF0w6n9duR1l3/WmbinWV
github.com/mattn/go-runewidth v0.0.14/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
github.com/mattn/go-sqlite3 v1.14.5/go.mod h1:WVKg1VTActs4Qso6iwGbiFih2UIHo0ENGwNd0Lj+XmI=
github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
-github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 h1:jWpvCLoY8Z/e3VKvlsiIGKtc+UG6U5vzxaoagmhXfyg=
-github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0/go.mod h1:QUyp042oQthUoa9bqDv0ER0wrtXnBruoNd7aNjkbP+k=
github.com/mbilski/exhaustivestruct v1.2.0 h1:wCBmUnSYufAHO6J4AVWY6ff+oxWxsVFrwgOdMUQePUo=
github.com/mbilski/exhaustivestruct v1.2.0/go.mod h1:OeTBVxQWoEmB2J2JCHmXWPJ0aksxSUOUy+nvtVEfzXc=
github.com/mgechev/revive v1.3.4 h1:k/tO3XTaWY4DEHal9tWBkkUMJYO/dLDVyMmAQxmIMDc=
@@ -513,8 +511,8 @@ github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5Fsn
github.com/prometheus/client_golang v1.7.1/go.mod h1:PY5Wy2awLA44sXw4AOSfFBetzPP4j5+D6mVACh+pe2M=
github.com/prometheus/client_golang v1.11.0/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqroYurpAkEiz0P2BEV0=
github.com/prometheus/client_golang v1.12.1/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY=
-github.com/prometheus/client_golang v1.18.0 h1:HzFfmkOzH5Q8L8G+kSJKUx5dtG87sewO+FoDDqP5Tbk=
-github.com/prometheus/client_golang v1.18.0/go.mod h1:T+GXkCk5wSJyOqMIzVgvvjFDlkOQntgjkJWKrN5txjA=
+github.com/prometheus/client_golang v1.19.0 h1:ygXvpU1AoN1MhdzckN+PyD9QJOSD4x7kmXYlnfbA6JU=
+github.com/prometheus/client_golang v1.19.0/go.mod h1:ZRM9uEAypZakd+q/x7+gmsvXdURP+DABIEIjnmDdp+k=
github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
@@ -525,8 +523,8 @@ github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y8
github.com/prometheus/common v0.10.0/go.mod h1:Tlit/dnDKsSWFlCLTWaA1cyBgKHSMdTB80sz/V91rCo=
github.com/prometheus/common v0.26.0/go.mod h1:M7rCNAaPfAosfx8veZJCuw84e35h3Cfd9VFqTh1DIvc=
github.com/prometheus/common v0.32.1/go.mod h1:vu+V0TpY+O6vW9J44gczi3Ap/oXXR10b+M/gUGO4Hls=
-github.com/prometheus/common v0.45.0 h1:2BGz0eBc2hdMDLnO/8n0jeB3oPrt2D08CekT0lneoxM=
-github.com/prometheus/common v0.45.0/go.mod h1:YJmSTw9BoKxJplESWWxlbyttQR4uaEcGyv9MZjVOJsY=
+github.com/prometheus/common v0.48.0 h1:QO8U2CdOzSn1BBsmXJXduaaW+dY/5QLjfB8svtSzKKE=
+github.com/prometheus/common v0.48.0/go.mod h1:0/KsvlIEfPQCQ5I2iNSAWKPZziNCvRs5EC6ILDTlAPc=
github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/LICENSE b/vendor/github.com/matttproud/golang_protobuf_extensions/v2/LICENSE
deleted file mode 100644
index 8dada3eda..000000000
--- a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/LICENSE
+++ /dev/null
@@ -1,201 +0,0 @@
- Apache License
- Version 2.0, January 2004
- http://www.apache.org/licenses/
-
- TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
- 1. Definitions.
-
- "License" shall mean the terms and conditions for use, reproduction,
- and distribution as defined by Sections 1 through 9 of this document.
-
- "Licensor" shall mean the copyright owner or entity authorized by
- the copyright owner that is granting the License.
-
- "Legal Entity" shall mean the union of the acting entity and all
- other entities that control, are controlled by, or are under common
- control with that entity. For the purposes of this definition,
- "control" means (i) the power, direct or indirect, to cause the
- direction or management of such entity, whether by contract or
- otherwise, or (ii) ownership of fifty percent (50%) or more of the
- outstanding shares, or (iii) beneficial ownership of such entity.
-
- "You" (or "Your") shall mean an individual or Legal Entity
- exercising permissions granted by this License.
-
- "Source" form shall mean the preferred form for making modifications,
- including but not limited to software source code, documentation
- source, and configuration files.
-
- "Object" form shall mean any form resulting from mechanical
- transformation or translation of a Source form, including but
- not limited to compiled object code, generated documentation,
- and conversions to other media types.
-
- "Work" shall mean the work of authorship, whether in Source or
- Object form, made available under the License, as indicated by a
- copyright notice that is included in or attached to the work
- (an example is provided in the Appendix below).
-
- "Derivative Works" shall mean any work, whether in Source or Object
- form, that is based on (or derived from) the Work and for which the
- editorial revisions, annotations, elaborations, or other modifications
- represent, as a whole, an original work of authorship. For the purposes
- of this License, Derivative Works shall not include works that remain
- separable from, or merely link (or bind by name) to the interfaces of,
- the Work and Derivative Works thereof.
-
- "Contribution" shall mean any work of authorship, including
- the original version of the Work and any modifications or additions
- to that Work or Derivative Works thereof, that is intentionally
- submitted to Licensor for inclusion in the Work by the copyright owner
- or by an individual or Legal Entity authorized to submit on behalf of
- the copyright owner. For the purposes of this definition, "submitted"
- means any form of electronic, verbal, or written communication sent
- to the Licensor or its representatives, including but not limited to
- communication on electronic mailing lists, source code control systems,
- and issue tracking systems that are managed by, or on behalf of, the
- Licensor for the purpose of discussing and improving the Work, but
- excluding communication that is conspicuously marked or otherwise
- designated in writing by the copyright owner as "Not a Contribution."
-
- "Contributor" shall mean Licensor and any individual or Legal Entity
- on behalf of whom a Contribution has been received by Licensor and
- subsequently incorporated within the Work.
-
- 2. Grant of Copyright License. Subject to the terms and conditions of
- this License, each Contributor hereby grants to You a perpetual,
- worldwide, non-exclusive, no-charge, royalty-free, irrevocable
- copyright license to reproduce, prepare Derivative Works of,
- publicly display, publicly perform, sublicense, and distribute the
- Work and such Derivative Works in Source or Object form.
-
- 3. Grant of Patent License. Subject to the terms and conditions of
- this License, each Contributor hereby grants to You a perpetual,
- worldwide, non-exclusive, no-charge, royalty-free, irrevocable
- (except as stated in this section) patent license to make, have made,
- use, offer to sell, sell, import, and otherwise transfer the Work,
- where such license applies only to those patent claims licensable
- by such Contributor that are necessarily infringed by their
- Contribution(s) alone or by combination of their Contribution(s)
- with the Work to which such Contribution(s) was submitted. If You
- institute patent litigation against any entity (including a
- cross-claim or counterclaim in a lawsuit) alleging that the Work
- or a Contribution incorporated within the Work constitutes direct
- or contributory patent infringement, then any patent licenses
- granted to You under this License for that Work shall terminate
- as of the date such litigation is filed.
-
- 4. Redistribution. You may reproduce and distribute copies of the
- Work or Derivative Works thereof in any medium, with or without
- modifications, and in Source or Object form, provided that You
- meet the following conditions:
-
- (a) You must give any other recipients of the Work or
- Derivative Works a copy of this License; and
-
- (b) You must cause any modified files to carry prominent notices
- stating that You changed the files; and
-
- (c) You must retain, in the Source form of any Derivative Works
- that You distribute, all copyright, patent, trademark, and
- attribution notices from the Source form of the Work,
- excluding those notices that do not pertain to any part of
- the Derivative Works; and
-
- (d) If the Work includes a "NOTICE" text file as part of its
- distribution, then any Derivative Works that You distribute must
- include a readable copy of the attribution notices contained
- within such NOTICE file, excluding those notices that do not
- pertain to any part of the Derivative Works, in at least one
- of the following places: within a NOTICE text file distributed
- as part of the Derivative Works; within the Source form or
- documentation, if provided along with the Derivative Works; or,
- within a display generated by the Derivative Works, if and
- wherever such third-party notices normally appear. The contents
- of the NOTICE file are for informational purposes only and
- do not modify the License. You may add Your own attribution
- notices within Derivative Works that You distribute, alongside
- or as an addendum to the NOTICE text from the Work, provided
- that such additional attribution notices cannot be construed
- as modifying the License.
-
- You may add Your own copyright statement to Your modifications and
- may provide additional or different license terms and conditions
- for use, reproduction, or distribution of Your modifications, or
- for any such Derivative Works as a whole, provided Your use,
- reproduction, and distribution of the Work otherwise complies with
- the conditions stated in this License.
-
- 5. Submission of Contributions. Unless You explicitly state otherwise,
- any Contribution intentionally submitted for inclusion in the Work
- by You to the Licensor shall be under the terms and conditions of
- this License, without any additional terms or conditions.
- Notwithstanding the above, nothing herein shall supersede or modify
- the terms of any separate license agreement you may have executed
- with Licensor regarding such Contributions.
-
- 6. Trademarks. This License does not grant permission to use the trade
- names, trademarks, service marks, or product names of the Licensor,
- except as required for reasonable and customary use in describing the
- origin of the Work and reproducing the content of the NOTICE file.
-
- 7. Disclaimer of Warranty. Unless required by applicable law or
- agreed to in writing, Licensor provides the Work (and each
- Contributor provides its Contributions) on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
- implied, including, without limitation, any warranties or conditions
- of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
- PARTICULAR PURPOSE. You are solely responsible for determining the
- appropriateness of using or redistributing the Work and assume any
- risks associated with Your exercise of permissions under this License.
-
- 8. Limitation of Liability. In no event and under no legal theory,
- whether in tort (including negligence), contract, or otherwise,
- unless required by applicable law (such as deliberate and grossly
- negligent acts) or agreed to in writing, shall any Contributor be
- liable to You for damages, including any direct, indirect, special,
- incidental, or consequential damages of any character arising as a
- result of this License or out of the use or inability to use the
- Work (including but not limited to damages for loss of goodwill,
- work stoppage, computer failure or malfunction, or any and all
- other commercial damages or losses), even if such Contributor
- has been advised of the possibility of such damages.
-
- 9. Accepting Warranty or Additional Liability. While redistributing
- the Work or Derivative Works thereof, You may choose to offer,
- and charge a fee for, acceptance of support, warranty, indemnity,
- or other liability obligations and/or rights consistent with this
- License. However, in accepting such obligations, You may act only
- on Your own behalf and on Your sole responsibility, not on behalf
- of any other Contributor, and only if You agree to indemnify,
- defend, and hold each Contributor harmless for any liability
- incurred by, or claims asserted against, such Contributor by reason
- of your accepting any such warranty or additional liability.
-
- END OF TERMS AND CONDITIONS
-
- APPENDIX: How to apply the Apache License to your work.
-
- To apply the Apache License to your work, attach the following
- boilerplate notice, with the fields enclosed by brackets "{}"
- replaced with your own identifying information. (Don't include
- the brackets!) The text should be enclosed in the appropriate
- comment syntax for the file format. We also recommend that a
- file or class name and description of purpose be included on the
- same "printed page" as the copyright notice for easier
- identification within third-party archives.
-
- Copyright {yyyy} {name of copyright owner}
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/NOTICE b/vendor/github.com/matttproud/golang_protobuf_extensions/v2/NOTICE
deleted file mode 100644
index 5d8cb5b72..000000000
--- a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/NOTICE
+++ /dev/null
@@ -1 +0,0 @@
-Copyright 2012 Matt T. Proud (matt.proud@gmail.com)
diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/.gitignore b/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/.gitignore
deleted file mode 100644
index e16fb946b..000000000
--- a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-cover.dat
diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/Makefile b/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/Makefile
deleted file mode 100644
index 81be21437..000000000
--- a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-all:
-
-cover:
- go test -cover -v -coverprofile=cover.dat ./...
- go tool cover -func cover.dat
-
-.PHONY: cover
diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/decode.go b/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/decode.go
deleted file mode 100644
index 7c08e564f..000000000
--- a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/decode.go
+++ /dev/null
@@ -1,81 +0,0 @@
-// Copyright 2013 Matt T. Proud
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package pbutil
-
-import (
- "encoding/binary"
- "errors"
- "io"
-
- "google.golang.org/protobuf/proto"
-)
-
-// TODO: Give error package name prefix in next minor release.
-var errInvalidVarint = errors.New("invalid varint32 encountered")
-
-// ReadDelimited decodes a message from the provided length-delimited stream,
-// where the length is encoded as 32-bit varint prefix to the message body.
-// It returns the total number of bytes read and any applicable error. This is
-// roughly equivalent to the companion Java API's
-// MessageLite#parseDelimitedFrom. As per the reader contract, this function
-// calls r.Read repeatedly as required until exactly one message including its
-// prefix is read and decoded (or an error has occurred). The function never
-// reads more bytes from the stream than required. The function never returns
-// an error if a message has been read and decoded correctly, even if the end
-// of the stream has been reached in doing so. In that case, any subsequent
-// calls return (0, io.EOF).
-func ReadDelimited(r io.Reader, m proto.Message) (n int, err error) {
- // TODO: Consider allowing the caller to specify a decode buffer in the
- // next major version.
-
- // TODO: Consider using error wrapping to annotate error state in pass-
- // through cases in the next minor version.
-
- // Per AbstractParser#parsePartialDelimitedFrom with
- // CodedInputStream#readRawVarint32.
- var headerBuf [binary.MaxVarintLen32]byte
- var bytesRead, varIntBytes int
- var messageLength uint64
- for varIntBytes == 0 { // i.e. no varint has been decoded yet.
- if bytesRead >= len(headerBuf) {
- return bytesRead, errInvalidVarint
- }
- // We have to read byte by byte here to avoid reading more bytes
- // than required. Each read byte is appended to what we have
- // read before.
- newBytesRead, err := r.Read(headerBuf[bytesRead : bytesRead+1])
- if newBytesRead == 0 {
- if err != nil {
- return bytesRead, err
- }
- // A Reader should not return (0, nil); but if it does, it should
- // be treated as no-op according to the Reader contract.
- continue
- }
- bytesRead += newBytesRead
- // Now present everything read so far to the varint decoder and
- // see if a varint can be decoded already.
- messageLength, varIntBytes = binary.Uvarint(headerBuf[:bytesRead])
- }
-
- messageBuf := make([]byte, messageLength)
- newBytesRead, err := io.ReadFull(r, messageBuf)
- bytesRead += newBytesRead
- if err != nil {
- return bytesRead, err
- }
-
- return bytesRead, proto.Unmarshal(messageBuf, m)
-}
diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/doc.go b/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/doc.go
deleted file mode 100644
index c318385cb..000000000
--- a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/doc.go
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2013 Matt T. Proud
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package pbutil provides record length-delimited Protocol Buffer streaming.
-package pbutil
diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/encode.go b/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/encode.go
deleted file mode 100644
index e58dd9d29..000000000
--- a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/encode.go
+++ /dev/null
@@ -1,49 +0,0 @@
-// Copyright 2013 Matt T. Proud
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package pbutil
-
-import (
- "encoding/binary"
- "io"
-
- "google.golang.org/protobuf/proto"
-)
-
-// WriteDelimited encodes and dumps a message to the provided writer prefixed
-// with a 32-bit varint indicating the length of the encoded message, producing
-// a length-delimited record stream, which can be used to chain together
-// encoded messages of the same type together in a file. It returns the total
-// number of bytes written and any applicable error. This is roughly
-// equivalent to the companion Java API's MessageLite#writeDelimitedTo.
-func WriteDelimited(w io.Writer, m proto.Message) (n int, err error) {
- // TODO: Consider allowing the caller to specify an encode buffer in the
- // next major version.
-
- buffer, err := proto.Marshal(m)
- if err != nil {
- return 0, err
- }
-
- var buf [binary.MaxVarintLen32]byte
- encodedLength := binary.PutUvarint(buf[:], uint64(len(buffer)))
-
- sync, err := w.Write(buf[:encodedLength])
- if err != nil {
- return sync, err
- }
-
- n, err = w.Write(buffer)
- return n + sync, err
-}
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/testutil/promlint/promlint.go b/vendor/github.com/prometheus/client_golang/prometheus/testutil/promlint/promlint.go
index dd29cccc3..ea46f38ec 100644
--- a/vendor/github.com/prometheus/client_golang/prometheus/testutil/promlint/promlint.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/testutil/promlint/promlint.go
@@ -68,7 +68,7 @@ func (l *Linter) Lint() ([]Problem, error) {
var problems []Problem
if l.r != nil {
- d := expfmt.NewDecoder(l.r, expfmt.FmtText)
+ d := expfmt.NewDecoder(l.r, expfmt.NewFormat(expfmt.TypeTextPlain))
mf := &dto.MetricFamily{}
for {
diff --git a/vendor/github.com/prometheus/common/expfmt/decode.go b/vendor/github.com/prometheus/common/expfmt/decode.go
index 0ca86a3dc..b2b89b017 100644
--- a/vendor/github.com/prometheus/common/expfmt/decode.go
+++ b/vendor/github.com/prometheus/common/expfmt/decode.go
@@ -14,6 +14,7 @@
package expfmt
import (
+ "bufio"
"fmt"
"io"
"math"
@@ -21,8 +22,8 @@ import (
"net/http"
dto "github.com/prometheus/client_model/go"
+ "google.golang.org/protobuf/encoding/protodelim"
- "github.com/matttproud/golang_protobuf_extensions/v2/pbutil"
"github.com/prometheus/common/model"
)
@@ -44,7 +45,7 @@ func ResponseFormat(h http.Header) Format {
mediatype, params, err := mime.ParseMediaType(ct)
if err != nil {
- return FmtUnknown
+ return fmtUnknown
}
const textType = "text/plain"
@@ -52,28 +53,28 @@ func ResponseFormat(h http.Header) Format {
switch mediatype {
case ProtoType:
if p, ok := params["proto"]; ok && p != ProtoProtocol {
- return FmtUnknown
+ return fmtUnknown
}
if e, ok := params["encoding"]; ok && e != "delimited" {
- return FmtUnknown
+ return fmtUnknown
}
- return FmtProtoDelim
+ return fmtProtoDelim
case textType:
if v, ok := params["version"]; ok && v != TextVersion {
- return FmtUnknown
+ return fmtUnknown
}
- return FmtText
+ return fmtText
}
- return FmtUnknown
+ return fmtUnknown
}
// NewDecoder returns a new decoder based on the given input format.
// If the input format does not imply otherwise, a text format decoder is returned.
func NewDecoder(r io.Reader, format Format) Decoder {
- switch format {
- case FmtProtoDelim:
+ switch format.FormatType() {
+ case TypeProtoDelim:
return &protoDecoder{r: r}
}
return &textDecoder{r: r}
@@ -86,8 +87,10 @@ type protoDecoder struct {
// Decode implements the Decoder interface.
func (d *protoDecoder) Decode(v *dto.MetricFamily) error {
- _, err := pbutil.ReadDelimited(d.r, v)
- if err != nil {
+ opts := protodelim.UnmarshalOptions{
+ MaxSize: -1,
+ }
+ if err := opts.UnmarshalFrom(bufio.NewReader(d.r), v); err != nil {
return err
}
if !model.IsValidMetricName(model.LabelValue(v.GetName())) {
diff --git a/vendor/github.com/prometheus/common/expfmt/encode.go b/vendor/github.com/prometheus/common/expfmt/encode.go
index ca2140600..8fd806184 100644
--- a/vendor/github.com/prometheus/common/expfmt/encode.go
+++ b/vendor/github.com/prometheus/common/expfmt/encode.go
@@ -18,10 +18,12 @@ import (
"io"
"net/http"
- "github.com/matttproud/golang_protobuf_extensions/v2/pbutil"
- "github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg"
+ "google.golang.org/protobuf/encoding/protodelim"
"google.golang.org/protobuf/encoding/prototext"
+ "github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg"
+ "github.com/prometheus/common/model"
+
dto "github.com/prometheus/client_model/go"
)
@@ -60,23 +62,32 @@ func (ec encoderCloser) Close() error {
// as the support is still experimental. To include the option to negotiate
// FmtOpenMetrics, use NegotiateOpenMetrics.
func Negotiate(h http.Header) Format {
+ escapingScheme := Format(fmt.Sprintf("; escaping=%s", Format(model.NameEscapingScheme.String())))
for _, ac := range goautoneg.ParseAccept(h.Get(hdrAccept)) {
+ if escapeParam := ac.Params[model.EscapingKey]; escapeParam != "" {
+ switch Format(escapeParam) {
+ case model.AllowUTF8, model.EscapeUnderscores, model.EscapeDots, model.EscapeValues:
+ escapingScheme = Format(fmt.Sprintf("; escaping=%s", escapeParam))
+ default:
+ // If the escaping parameter is unknown, ignore it.
+ }
+ }
ver := ac.Params["version"]
if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol {
switch ac.Params["encoding"] {
case "delimited":
- return FmtProtoDelim
+ return fmtProtoDelim + escapingScheme
case "text":
- return FmtProtoText
+ return fmtProtoText + escapingScheme
case "compact-text":
- return FmtProtoCompact
+ return fmtProtoCompact + escapingScheme
}
}
if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") {
- return FmtText
+ return fmtText + escapingScheme
}
}
- return FmtText
+ return fmtText + escapingScheme
}
// NegotiateIncludingOpenMetrics works like Negotiate but includes
@@ -84,29 +95,40 @@ func Negotiate(h http.Header) Format {
// temporary and will disappear once FmtOpenMetrics is fully supported and as
// such may be negotiated by the normal Negotiate function.
func NegotiateIncludingOpenMetrics(h http.Header) Format {
+ escapingScheme := Format(fmt.Sprintf("; escaping=%s", Format(model.NameEscapingScheme.String())))
for _, ac := range goautoneg.ParseAccept(h.Get(hdrAccept)) {
+ if escapeParam := ac.Params[model.EscapingKey]; escapeParam != "" {
+ switch Format(escapeParam) {
+ case model.AllowUTF8, model.EscapeUnderscores, model.EscapeDots, model.EscapeValues:
+ escapingScheme = Format(fmt.Sprintf("; escaping=%s", escapeParam))
+ default:
+ // If the escaping parameter is unknown, ignore it.
+ }
+ }
ver := ac.Params["version"]
if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol {
switch ac.Params["encoding"] {
case "delimited":
- return FmtProtoDelim
+ return fmtProtoDelim + escapingScheme
case "text":
- return FmtProtoText
+ return fmtProtoText + escapingScheme
case "compact-text":
- return FmtProtoCompact
+ return fmtProtoCompact + escapingScheme
}
}
if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") {
- return FmtText
+ return fmtText + escapingScheme
}
if ac.Type+"/"+ac.SubType == OpenMetricsType && (ver == OpenMetricsVersion_0_0_1 || ver == OpenMetricsVersion_1_0_0 || ver == "") {
- if ver == OpenMetricsVersion_1_0_0 {
- return FmtOpenMetrics_1_0_0
+ switch ver {
+ case OpenMetricsVersion_1_0_0:
+ return fmtOpenMetrics_1_0_0 + escapingScheme
+ default:
+ return fmtOpenMetrics_0_0_1 + escapingScheme
}
- return FmtOpenMetrics_0_0_1
}
}
- return FmtText
+ return fmtText + escapingScheme
}
// NewEncoder returns a new encoder based on content type negotiation. All
@@ -115,44 +137,48 @@ func NegotiateIncludingOpenMetrics(h http.Header) Format {
// for FmtOpenMetrics, but a future (breaking) release will add the Close method
// to the Encoder interface directly. The current version of the Encoder
// interface is kept for backwards compatibility.
+// In cases where the Format does not allow for UTF-8 names, the global
+// NameEscapingScheme will be applied.
func NewEncoder(w io.Writer, format Format) Encoder {
- switch format {
- case FmtProtoDelim:
+ escapingScheme := format.ToEscapingScheme()
+
+ switch format.FormatType() {
+ case TypeProtoDelim:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
- _, err := pbutil.WriteDelimited(w, v)
+ _, err := protodelim.MarshalTo(w, v)
return err
},
close: func() error { return nil },
}
- case FmtProtoCompact:
+ case TypeProtoCompact:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
- _, err := fmt.Fprintln(w, v.String())
+ _, err := fmt.Fprintln(w, model.EscapeMetricFamily(v, escapingScheme).String())
return err
},
close: func() error { return nil },
}
- case FmtProtoText:
+ case TypeProtoText:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
- _, err := fmt.Fprintln(w, prototext.Format(v))
+ _, err := fmt.Fprintln(w, prototext.Format(model.EscapeMetricFamily(v, escapingScheme)))
return err
},
close: func() error { return nil },
}
- case FmtText:
+ case TypeTextPlain:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
- _, err := MetricFamilyToText(w, v)
+ _, err := MetricFamilyToText(w, model.EscapeMetricFamily(v, escapingScheme))
return err
},
close: func() error { return nil },
}
- case FmtOpenMetrics_0_0_1, FmtOpenMetrics_1_0_0:
+ case TypeOpenMetrics:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
- _, err := MetricFamilyToOpenMetrics(w, v)
+ _, err := MetricFamilyToOpenMetrics(w, model.EscapeMetricFamily(v, escapingScheme))
return err
},
close: func() error {
diff --git a/vendor/github.com/prometheus/common/expfmt/expfmt.go b/vendor/github.com/prometheus/common/expfmt/expfmt.go
index c4cb20f0d..6fc9555e3 100644
--- a/vendor/github.com/prometheus/common/expfmt/expfmt.go
+++ b/vendor/github.com/prometheus/common/expfmt/expfmt.go
@@ -14,30 +14,154 @@
// Package expfmt contains tools for reading and writing Prometheus metrics.
package expfmt
+import (
+ "strings"
+
+ "github.com/prometheus/common/model"
+)
+
// Format specifies the HTTP content type of the different wire protocols.
type Format string
-// Constants to assemble the Content-Type values for the different wire protocols.
+// Constants to assemble the Content-Type values for the different wire
+// protocols. The Content-Type strings here are all for the legacy exposition
+// formats, where valid characters for metric names and label names are limited.
+// Support for arbitrary UTF-8 characters in those names is already partially
+// implemented in this module (see model.ValidationScheme), but to actually use
+// it on the wire, new content-type strings will have to be agreed upon and
+// added here.
const (
TextVersion = "0.0.4"
ProtoType = `application/vnd.google.protobuf`
ProtoProtocol = `io.prometheus.client.MetricFamily`
- ProtoFmt = ProtoType + "; proto=" + ProtoProtocol + ";"
+ protoFmt = ProtoType + "; proto=" + ProtoProtocol + ";"
OpenMetricsType = `application/openmetrics-text`
OpenMetricsVersion_0_0_1 = "0.0.1"
OpenMetricsVersion_1_0_0 = "1.0.0"
- // The Content-Type values for the different wire protocols.
- FmtUnknown Format = `<unknown>`
- FmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8`
- FmtProtoDelim Format = ProtoFmt + ` encoding=delimited`
- FmtProtoText Format = ProtoFmt + ` encoding=text`
- FmtProtoCompact Format = ProtoFmt + ` encoding=compact-text`
- FmtOpenMetrics_1_0_0 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_1_0_0 + `; charset=utf-8`
- FmtOpenMetrics_0_0_1 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_0_0_1 + `; charset=utf-8`
+ // The Content-Type values for the different wire protocols. Note that these
+ // values are now unexported. If code was relying on comparisons to these
+ // constants, instead use FormatType().
+ fmtUnknown Format = `<unknown>`
+ fmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8`
+ fmtProtoDelim Format = protoFmt + ` encoding=delimited`
+ fmtProtoText Format = protoFmt + ` encoding=text`
+ fmtProtoCompact Format = protoFmt + ` encoding=compact-text`
+ fmtOpenMetrics_1_0_0 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_1_0_0 + `; charset=utf-8`
+ fmtOpenMetrics_0_0_1 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_0_0_1 + `; charset=utf-8`
)
const (
hdrContentType = "Content-Type"
hdrAccept = "Accept"
)
+
+// FormatType is a Go enum representing the overall category for the given
+// Format. As the number of Format permutations increases, doing basic string
+// comparisons are not feasible, so this enum captures the most useful
+// high-level attribute of the Format string.
+type FormatType int
+
+const (
+ TypeUnknown = iota
+ TypeProtoCompact
+ TypeProtoDelim
+ TypeProtoText
+ TypeTextPlain
+ TypeOpenMetrics
+)
+
+// NewFormat generates a new Format from the type provided. Mostly used for
+// tests, most Formats should be generated as part of content negotiation in
+// encode.go.
+func NewFormat(t FormatType) Format {
+ switch t {
+ case TypeProtoCompact:
+ return fmtProtoCompact
+ case TypeProtoDelim:
+ return fmtProtoDelim
+ case TypeProtoText:
+ return fmtProtoText
+ case TypeTextPlain:
+ return fmtText
+ case TypeOpenMetrics:
+ return fmtOpenMetrics_1_0_0
+ default:
+ return fmtUnknown
+ }
+}
+
+// FormatType deduces an overall FormatType for the given format.
+func (f Format) FormatType() FormatType {
+ toks := strings.Split(string(f), ";")
+ if len(toks) < 2 {
+ return TypeUnknown
+ }
+
+ params := make(map[string]string)
+ for i, t := range toks {
+ if i == 0 {
+ continue
+ }
+ args := strings.Split(t, "=")
+ if len(args) != 2 {
+ continue
+ }
+ params[strings.TrimSpace(args[0])] = strings.TrimSpace(args[1])
+ }
+
+ switch strings.TrimSpace(toks[0]) {
+ case ProtoType:
+ if params["proto"] != ProtoProtocol {
+ return TypeUnknown
+ }
+ switch params["encoding"] {
+ case "delimited":
+ return TypeProtoDelim
+ case "text":
+ return TypeProtoText
+ case "compact-text":
+ return TypeProtoCompact
+ default:
+ return TypeUnknown
+ }
+ case OpenMetricsType:
+ if params["charset"] != "utf-8" {
+ return TypeUnknown
+ }
+ return TypeOpenMetrics
+ case "text/plain":
+ v, ok := params["version"]
+ if !ok {
+ return TypeTextPlain
+ }
+ if v == TextVersion {
+ return TypeTextPlain
+ }
+ return TypeUnknown
+ default:
+ return TypeUnknown
+ }
+}
+
+// ToEscapingScheme returns an EscapingScheme depending on the Format. Iff the
+// Format contains a escaping=allow-utf-8 term, it will select NoEscaping. If a valid
+// "escaping" term exists, that will be used. Otherwise, the global default will
+// be returned.
+func (format Format) ToEscapingScheme() model.EscapingScheme {
+ for _, p := range strings.Split(string(format), ";") {
+ toks := strings.Split(p, "=")
+ if len(toks) != 2 {
+ continue
+ }
+ key, value := strings.TrimSpace(toks[0]), strings.TrimSpace(toks[1])
+ if key == model.EscapingKey {
+ scheme, err := model.ToEscapingScheme(value)
+ if err != nil {
+ return model.NameEscapingScheme
+ }
+ return scheme
+ }
+ }
+ return model.NameEscapingScheme
+}
diff --git a/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go b/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go
index 21cdddcf0..5622578ed 100644
--- a/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go
+++ b/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go
@@ -35,6 +35,18 @@ import (
// sanity checks. If the input contains duplicate metrics or invalid metric or
// label names, the conversion will result in invalid text format output.
//
+// If metric names conform to the legacy validation pattern, they will be placed
+// outside the brackets in the traditional way, like `foo{}`. If the metric name
+// fails the legacy validation check, it will be placed quoted inside the
+// brackets: `{"foo"}`. As stated above, the input is assumed to be santized and
+// no error will be thrown in this case.
+//
+// Similar to metric names, if label names conform to the legacy validation
+// pattern, they will be unquoted as normal, like `foo{bar="baz"}`. If the label
+// name fails the legacy validation check, it will be quoted:
+// `foo{"bar"="baz"}`. As stated above, the input is assumed to be santized and
+// no error will be thrown in this case.
+//
// This function fulfills the type 'expfmt.encoder'.
//
// Note that OpenMetrics requires a final `# EOF` line. Since this function acts
@@ -98,7 +110,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
if err != nil {
return
}
- n, err = w.WriteString(shortName)
+ n, err = writeName(w, shortName)
written += n
if err != nil {
return
@@ -124,7 +136,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
if err != nil {
return
}
- n, err = w.WriteString(shortName)
+ n, err = writeName(w, shortName)
written += n
if err != nil {
return
@@ -303,21 +315,9 @@ func writeOpenMetricsSample(
floatValue float64, intValue uint64, useIntValue bool,
exemplar *dto.Exemplar,
) (int, error) {
- var written int
- n, err := w.WriteString(name)
- written += n
- if err != nil {
- return written, err
- }
- if suffix != "" {
- n, err = w.WriteString(suffix)
- written += n
- if err != nil {
- return written, err
- }
- }
- n, err = writeOpenMetricsLabelPairs(
- w, metric.Label, additionalLabelName, additionalLabelValue,
+ written := 0
+ n, err := writeOpenMetricsNameAndLabelPairs(
+ w, name+suffix, metric.Label, additionalLabelName, additionalLabelValue,
)
written += n
if err != nil {
@@ -365,27 +365,58 @@ func writeOpenMetricsSample(
return written, nil
}
-// writeOpenMetricsLabelPairs works like writeOpenMetrics but formats the float
-// in OpenMetrics style.
-func writeOpenMetricsLabelPairs(
+// writeOpenMetricsNameAndLabelPairs works like writeOpenMetricsSample but
+// formats the float in OpenMetrics style.
+func writeOpenMetricsNameAndLabelPairs(
w enhancedWriter,
+ name string,
in []*dto.LabelPair,
additionalLabelName string, additionalLabelValue float64,
) (int, error) {
- if len(in) == 0 && additionalLabelName == "" {
- return 0, nil
- }
var (
- written int
- separator byte = '{'
+ written int
+ separator byte = '{'
+ metricInsideBraces = false
)
+
+ if name != "" {
+ // If the name does not pass the legacy validity check, we must put the
+ // metric name inside the braces, quoted.
+ if !model.IsValidLegacyMetricName(model.LabelValue(name)) {
+ metricInsideBraces = true
+ err := w.WriteByte(separator)
+ written++
+ if err != nil {
+ return written, err
+ }
+ separator = ','
+ }
+
+ n, err := writeName(w, name)
+ written += n
+ if err != nil {
+ return written, err
+ }
+ }
+
+ if len(in) == 0 && additionalLabelName == "" {
+ if metricInsideBraces {
+ err := w.WriteByte('}')
+ written++
+ if err != nil {
+ return written, err
+ }
+ }
+ return written, nil
+ }
+
for _, lp := range in {
err := w.WriteByte(separator)
written++
if err != nil {
return written, err
}
- n, err := w.WriteString(lp.GetName())
+ n, err := writeName(w, lp.GetName())
written += n
if err != nil {
return written, err
@@ -451,7 +482,7 @@ func writeExemplar(w enhancedWriter, e *dto.Exemplar) (int, error) {
if err != nil {
return written, err
}
- n, err = writeOpenMetricsLabelPairs(w, e.Label, "", 0)
+ n, err = writeOpenMetricsNameAndLabelPairs(w, "", e.Label, "", 0)
written += n
if err != nil {
return written, err
diff --git a/vendor/github.com/prometheus/common/expfmt/text_create.go b/vendor/github.com/prometheus/common/expfmt/text_create.go
index 2946b8f1a..f9b8265a9 100644
--- a/vendor/github.com/prometheus/common/expfmt/text_create.go
+++ b/vendor/github.com/prometheus/common/expfmt/text_create.go
@@ -62,6 +62,18 @@ var (
// contains duplicate metrics or invalid metric or label names, the conversion
// will result in invalid text format output.
//
+// If metric names conform to the legacy validation pattern, they will be placed
+// outside the brackets in the traditional way, like `foo{}`. If the metric name
+// fails the legacy validation check, it will be placed quoted inside the
+// brackets: `{"foo"}`. As stated above, the input is assumed to be santized and
+// no error will be thrown in this case.
+//
+// Similar to metric names, if label names conform to the legacy validation
+// pattern, they will be unquoted as normal, like `foo{bar="baz"}`. If the label
+// name fails the legacy validation check, it will be quoted:
+// `foo{"bar"="baz"}`. As stated above, the input is assumed to be santized and
+// no error will be thrown in this case.
+//
// This method fulfills the type 'prometheus.encoder'.
func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err error) {
// Fail-fast checks.
@@ -98,7 +110,7 @@ func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err e
if err != nil {
return
}
- n, err = w.WriteString(name)
+ n, err = writeName(w, name)
written += n
if err != nil {
return
@@ -124,7 +136,7 @@ func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err e
if err != nil {
return
}
- n, err = w.WriteString(name)
+ n, err = writeName(w, name)
written += n
if err != nil {
return
@@ -280,21 +292,9 @@ func writeSample(
additionalLabelName string, additionalLabelValue float64,
value float64,
) (int, error) {
- var written int
- n, err := w.WriteString(name)
- written += n
- if err != nil {
- return written, err
- }
- if suffix != "" {
- n, err = w.WriteString(suffix)
- written += n
- if err != nil {
- return written, err
- }
- }
- n, err = writeLabelPairs(
- w, metric.Label, additionalLabelName, additionalLabelValue,
+ written := 0
+ n, err := writeNameAndLabelPairs(
+ w, name+suffix, metric.Label, additionalLabelName, additionalLabelValue,
)
written += n
if err != nil {
@@ -330,32 +330,64 @@ func writeSample(
return written, nil
}
-// writeLabelPairs converts a slice of LabelPair proto messages plus the
-// explicitly given additional label pair into text formatted as required by the
-// text format and writes it to 'w'. An empty slice in combination with an empty
-// string 'additionalLabelName' results in nothing being written. Otherwise, the
-// label pairs are written, escaped as required by the text format, and enclosed
-// in '{...}'. The function returns the number of bytes written and any error
-// encountered.
-func writeLabelPairs(
+// writeNameAndLabelPairs converts a slice of LabelPair proto messages plus the
+// explicitly given metric name and additional label pair into text formatted as
+// required by the text format and writes it to 'w'. An empty slice in
+// combination with an empty string 'additionalLabelName' results in nothing
+// being written. Otherwise, the label pairs are written, escaped as required by
+// the text format, and enclosed in '{...}'. The function returns the number of
+// bytes written and any error encountered. If the metric name is not
+// legacy-valid, it will be put inside the brackets as well. Legacy-invalid
+// label names will also be quoted.
+func writeNameAndLabelPairs(
w enhancedWriter,
+ name string,
in []*dto.LabelPair,
additionalLabelName string, additionalLabelValue float64,
) (int, error) {
- if len(in) == 0 && additionalLabelName == "" {
- return 0, nil
- }
var (
- written int
- separator byte = '{'
+ written int
+ separator byte = '{'
+ metricInsideBraces = false
)
+
+ if name != "" {
+ // If the name does not pass the legacy validity check, we must put the
+ // metric name inside the braces.
+ if !model.IsValidLegacyMetricName(model.LabelValue(name)) {
+ metricInsideBraces = true
+ err := w.WriteByte(separator)
+ written++
+ if err != nil {
+ return written, err
+ }
+ separator = ','
+ }
+ n, err := writeName(w, name)
+ written += n
+ if err != nil {
+ return written, err
+ }
+ }
+
+ if len(in) == 0 && additionalLabelName == "" {
+ if metricInsideBraces {
+ err := w.WriteByte('}')
+ written++
+ if err != nil {
+ return written, err
+ }
+ }
+ return written, nil
+ }
+
for _, lp := range in {
err := w.WriteByte(separator)
written++
if err != nil {
return written, err
}
- n, err := w.WriteString(lp.GetName())
+ n, err := writeName(w, lp.GetName())
written += n
if err != nil {
return written, err
@@ -462,3 +494,27 @@ func writeInt(w enhancedWriter, i int64) (int, error) {
numBufPool.Put(bp)
return written, err
}
+
+// writeName writes a string as-is if it complies with the legacy naming
+// scheme, or escapes it in double quotes if not.
+func writeName(w enhancedWriter, name string) (int, error) {
+ if model.IsValidLegacyMetricName(model.LabelValue(name)) {
+ return w.WriteString(name)
+ }
+ var written int
+ var err error
+ err = w.WriteByte('"')
+ written++
+ if err != nil {
+ return written, err
+ }
+ var n int
+ n, err = writeEscapedString(w, name, true)
+ written += n
+ if err != nil {
+ return written, err
+ }
+ err = w.WriteByte('"')
+ written++
+ return written, err
+}
diff --git a/vendor/github.com/prometheus/common/expfmt/text_parse.go b/vendor/github.com/prometheus/common/expfmt/text_parse.go
index 35db1cc9d..26490211a 100644
--- a/vendor/github.com/prometheus/common/expfmt/text_parse.go
+++ b/vendor/github.com/prometheus/common/expfmt/text_parse.go
@@ -16,6 +16,7 @@ package expfmt
import (
"bufio"
"bytes"
+ "errors"
"fmt"
"io"
"math"
@@ -24,8 +25,9 @@ import (
dto "github.com/prometheus/client_model/go"
- "github.com/prometheus/common/model"
"google.golang.org/protobuf/proto"
+
+ "github.com/prometheus/common/model"
)
// A stateFn is a function that represents a state in a state machine. By
@@ -112,7 +114,7 @@ func (p *TextParser) TextToMetricFamilies(in io.Reader) (map[string]*dto.MetricF
// stream. Turn this error into something nicer and more
// meaningful. (io.EOF is often used as a signal for the legitimate end
// of an input stream.)
- if p.err == io.EOF {
+ if p.err != nil && errors.Is(p.err, io.EOF) {
p.parseError("unexpected end of input stream")
}
return p.metricFamiliesByName, p.err
@@ -146,7 +148,7 @@ func (p *TextParser) startOfLine() stateFn {
// which is not an error but the signal that we are done.
// Any other error that happens to align with the start of
// a line is still an error.
- if p.err == io.EOF {
+ if errors.Is(p.err, io.EOF) {
p.err = nil
}
return nil
diff --git a/vendor/github.com/prometheus/common/model/alert.go b/vendor/github.com/prometheus/common/model/alert.go
index 35e739c7a..178fdbaf6 100644
--- a/vendor/github.com/prometheus/common/model/alert.go
+++ b/vendor/github.com/prometheus/common/model/alert.go
@@ -90,13 +90,13 @@ func (a *Alert) Validate() error {
return fmt.Errorf("start time must be before end time")
}
if err := a.Labels.Validate(); err != nil {
- return fmt.Errorf("invalid label set: %s", err)
+ return fmt.Errorf("invalid label set: %w", err)
}
if len(a.Labels) == 0 {
return fmt.Errorf("at least one label pair required")
}
if err := a.Annotations.Validate(); err != nil {
- return fmt.Errorf("invalid annotations: %s", err)
+ return fmt.Errorf("invalid annotations: %w", err)
}
return nil
}
diff --git a/vendor/github.com/prometheus/common/model/labels.go b/vendor/github.com/prometheus/common/model/labels.go
index ef8956335..3317ce22f 100644
--- a/vendor/github.com/prometheus/common/model/labels.go
+++ b/vendor/github.com/prometheus/common/model/labels.go
@@ -97,17 +97,25 @@ var LabelNameRE = regexp.MustCompile("^[a-zA-Z_][a-zA-Z0-9_]*$")
// therewith.
type LabelName string
-// IsValid is true iff the label name matches the pattern of LabelNameRE. This
-// method, however, does not use LabelNameRE for the check but a much faster
-// hardcoded implementation.
+// IsValid returns true iff name matches the pattern of LabelNameRE for legacy
+// names, and iff it's valid UTF-8 if NameValidationScheme is set to
+// UTF8Validation. For the legacy matching, it does not use LabelNameRE for the
+// check but a much faster hardcoded implementation.
func (ln LabelName) IsValid() bool {
if len(ln) == 0 {
return false
}
- for i, b := range ln {
- if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || (b >= '0' && b <= '9' && i > 0)) {
- return false
+ switch NameValidationScheme {
+ case LegacyValidation:
+ for i, b := range ln {
+ if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || (b >= '0' && b <= '9' && i > 0)) {
+ return false
+ }
}
+ case UTF8Validation:
+ return utf8.ValidString(string(ln))
+ default:
+ panic(fmt.Sprintf("Invalid name validation scheme requested: %d", NameValidationScheme))
}
return true
}
@@ -164,7 +172,7 @@ func (l LabelNames) String() string {
// A LabelValue is an associated value for a LabelName.
type LabelValue string
-// IsValid returns true iff the string is a valid UTF8.
+// IsValid returns true iff the string is a valid UTF-8.
func (lv LabelValue) IsValid() bool {
return utf8.ValidString(string(lv))
}
diff --git a/vendor/github.com/prometheus/common/model/metadata.go b/vendor/github.com/prometheus/common/model/metadata.go
new file mode 100644
index 000000000..447ab8ad6
--- /dev/null
+++ b/vendor/github.com/prometheus/common/model/metadata.go
@@ -0,0 +1,28 @@
+// Copyright 2023 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package model
+
+// MetricType represents metric type values.
+type MetricType string
+
+const (
+ MetricTypeCounter = MetricType("counter")
+ MetricTypeGauge = MetricType("gauge")
+ MetricTypeHistogram = MetricType("histogram")
+ MetricTypeGaugeHistogram = MetricType("gaugehistogram")
+ MetricTypeSummary = MetricType("summary")
+ MetricTypeInfo = MetricType("info")
+ MetricTypeStateset = MetricType("stateset")
+ MetricTypeUnknown = MetricType("unknown")
+)
diff --git a/vendor/github.com/prometheus/common/model/metric.go b/vendor/github.com/prometheus/common/model/metric.go
index 00804b7fe..0bd29b3a3 100644
--- a/vendor/github.com/prometheus/common/model/metric.go
+++ b/vendor/github.com/prometheus/common/model/metric.go
@@ -18,15 +18,84 @@ import (
"regexp"
"sort"
"strings"
+ "unicode/utf8"
+
+ dto "github.com/prometheus/client_model/go"
+ "google.golang.org/protobuf/proto"
)
var (
- // MetricNameRE is a regular expression matching valid metric
- // names. Note that the IsValidMetricName function performs the same
- // check but faster than a match with this regular expression.
- MetricNameRE = regexp.MustCompile(`^[a-zA-Z_:][a-zA-Z0-9_:]*$`)
+ // NameValidationScheme determines the method of name validation to be used by
+ // all calls to IsValidMetricName() and LabelName IsValid(). Setting UTF-8 mode
+ // in isolation from other components that don't support UTF-8 may result in
+ // bugs or other undefined behavior. This value is intended to be set by
+ // UTF-8-aware binaries as part of their startup. To avoid need for locking,
+ // this value should be set once, ideally in an init(), before multiple
+ // goroutines are started.
+ NameValidationScheme = LegacyValidation
+
+ // NameEscapingScheme defines the default way that names will be
+ // escaped when presented to systems that do not support UTF-8 names. If the
+ // Content-Type "escaping" term is specified, that will override this value.
+ NameEscapingScheme = ValueEncodingEscaping
+)
+
+// ValidationScheme is a Go enum for determining how metric and label names will
+// be validated by this library.
+type ValidationScheme int
+
+const (
+ // LegacyValidation is a setting that requirets that metric and label names
+ // conform to the original Prometheus character requirements described by
+ // MetricNameRE and LabelNameRE.
+ LegacyValidation ValidationScheme = iota
+
+ // UTF8Validation only requires that metric and label names be valid UTF-8
+ // strings.
+ UTF8Validation
+)
+
+type EscapingScheme int
+
+const (
+ // NoEscaping indicates that a name will not be escaped. Unescaped names that
+ // do not conform to the legacy validity check will use a new exposition
+ // format syntax that will be officially standardized in future versions.
+ NoEscaping EscapingScheme = iota
+
+ // UnderscoreEscaping replaces all legacy-invalid characters with underscores.
+ UnderscoreEscaping
+
+ // DotsEscaping is similar to UnderscoreEscaping, except that dots are
+ // converted to `_dot_` and pre-existing underscores are converted to `__`.
+ DotsEscaping
+
+ // ValueEncodingEscaping prepends the name with `U__` and replaces all invalid
+ // characters with the unicode value, surrounded by underscores. Single
+ // underscores are replaced with double underscores.
+ ValueEncodingEscaping
+)
+
+const (
+ // EscapingKey is the key in an Accept or Content-Type header that defines how
+ // metric and label names that do not conform to the legacy character
+ // requirements should be escaped when being scraped by a legacy prometheus
+ // system. If a system does not explicitly pass an escaping parameter in the
+ // Accept header, the default NameEscapingScheme will be used.
+ EscapingKey = "escaping"
+
+ // Possible values for Escaping Key:
+ AllowUTF8 = "allow-utf-8" // No escaping required.
+ EscapeUnderscores = "underscores"
+ EscapeDots = "dots"
+ EscapeValues = "values"
)
+// MetricNameRE is a regular expression matching valid metric
+// names. Note that the IsValidMetricName function performs the same
+// check but faster than a match with this regular expression.
+var MetricNameRE = regexp.MustCompile(`^[a-zA-Z_:][a-zA-Z0-9_:]*$`)
+
// A Metric is similar to a LabelSet, but the key difference is that a Metric is
// a singleton and refers to one and only one stream of samples.
type Metric LabelSet
@@ -86,17 +155,302 @@ func (m Metric) FastFingerprint() Fingerprint {
return LabelSet(m).FastFingerprint()
}
-// IsValidMetricName returns true iff name matches the pattern of MetricNameRE.
+// IsValidMetricName returns true iff name matches the pattern of MetricNameRE
+// for legacy names, and iff it's valid UTF-8 if the UTF8Validation scheme is
+// selected.
+func IsValidMetricName(n LabelValue) bool {
+ switch NameValidationScheme {
+ case LegacyValidation:
+ return IsValidLegacyMetricName(n)
+ case UTF8Validation:
+ if len(n) == 0 {
+ return false
+ }
+ return utf8.ValidString(string(n))
+ default:
+ panic(fmt.Sprintf("Invalid name validation scheme requested: %d", NameValidationScheme))
+ }
+}
+
+// IsValidLegacyMetricName is similar to IsValidMetricName but always uses the
+// legacy validation scheme regardless of the value of NameValidationScheme.
// This function, however, does not use MetricNameRE for the check but a much
// faster hardcoded implementation.
-func IsValidMetricName(n LabelValue) bool {
+func IsValidLegacyMetricName(n LabelValue) bool {
if len(n) == 0 {
return false
}
for i, b := range n {
- if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || b == ':' || (b >= '0' && b <= '9' && i > 0)) {
+ if !isValidLegacyRune(b, i) {
return false
}
}
return true
}
+
+// EscapeMetricFamily escapes the given metric names and labels with the given
+// escaping scheme. Returns a new object that uses the same pointers to fields
+// when possible and creates new escaped versions so as not to mutate the
+// input.
+func EscapeMetricFamily(v *dto.MetricFamily, scheme EscapingScheme) *dto.MetricFamily {
+ if v == nil {
+ return nil
+ }
+
+ if scheme == NoEscaping {
+ return v
+ }
+
+ out := &dto.MetricFamily{
+ Help: v.Help,
+ Type: v.Type,
+ }
+
+ // If the name is nil, copy as-is, don't try to escape.
+ if v.Name == nil || IsValidLegacyMetricName(LabelValue(v.GetName())) {
+ out.Name = v.Name
+ } else {
+ out.Name = proto.String(EscapeName(v.GetName(), scheme))
+ }
+ for _, m := range v.Metric {
+ if !metricNeedsEscaping(m) {
+ out.Metric = append(out.Metric, m)
+ continue
+ }
+
+ escaped := &dto.Metric{
+ Gauge: m.Gauge,
+ Counter: m.Counter,
+ Summary: m.Summary,
+ Untyped: m.Untyped,
+ Histogram: m.Histogram,
+ TimestampMs: m.TimestampMs,
+ }
+
+ for _, l := range m.Label {
+ if l.GetName() == MetricNameLabel {
+ if l.Value == nil || IsValidLegacyMetricName(LabelValue(l.GetValue())) {
+ escaped.Label = append(escaped.Label, l)
+ continue
+ }
+ escaped.Label = append(escaped.Label, &dto.LabelPair{
+ Name: proto.String(MetricNameLabel),
+ Value: proto.String(EscapeName(l.GetValue(), scheme)),
+ })
+ continue
+ }
+ if l.Name == nil || IsValidLegacyMetricName(LabelValue(l.GetName())) {
+ escaped.Label = append(escaped.Label, l)
+ continue
+ }
+ escaped.Label = append(escaped.Label, &dto.LabelPair{
+ Name: proto.String(EscapeName(l.GetName(), scheme)),
+ Value: l.Value,
+ })
+ }
+ out.Metric = append(out.Metric, escaped)
+ }
+ return out
+}
+
+func metricNeedsEscaping(m *dto.Metric) bool {
+ for _, l := range m.Label {
+ if l.GetName() == MetricNameLabel && !IsValidLegacyMetricName(LabelValue(l.GetValue())) {
+ return true
+ }
+ if !IsValidLegacyMetricName(LabelValue(l.GetName())) {
+ return true
+ }
+ }
+ return false
+}
+
+const (
+ lowerhex = "0123456789abcdef"
+)
+
+// EscapeName escapes the incoming name according to the provided escaping
+// scheme. Depending on the rules of escaping, this may cause no change in the
+// string that is returned. (Especially NoEscaping, which by definition is a
+// noop). This function does not do any validation of the name.
+func EscapeName(name string, scheme EscapingScheme) string {
+ if len(name) == 0 {
+ return name
+ }
+ var escaped strings.Builder
+ switch scheme {
+ case NoEscaping:
+ return name
+ case UnderscoreEscaping:
+ if IsValidLegacyMetricName(LabelValue(name)) {
+ return name
+ }
+ for i, b := range name {
+ if isValidLegacyRune(b, i) {
+ escaped.WriteRune(b)
+ } else {
+ escaped.WriteRune('_')
+ }
+ }
+ return escaped.String()
+ case DotsEscaping:
+ // Do not early return for legacy valid names, we still escape underscores.
+ for i, b := range name {
+ if b == '_' {
+ escaped.WriteString("__")
+ } else if b == '.' {
+ escaped.WriteString("_dot_")
+ } else if isValidLegacyRune(b, i) {
+ escaped.WriteRune(b)
+ } else {
+ escaped.WriteRune('_')
+ }
+ }
+ return escaped.String()
+ case ValueEncodingEscaping:
+ if IsValidLegacyMetricName(LabelValue(name)) {
+ return name
+ }
+ escaped.WriteString("U__")
+ for i, b := range name {
+ if isValidLegacyRune(b, i) {
+ escaped.WriteRune(b)
+ } else if !utf8.ValidRune(b) {
+ escaped.WriteString("_FFFD_")
+ } else if b < 0x100 {
+ escaped.WriteRune('_')
+ for s := 4; s >= 0; s -= 4 {
+ escaped.WriteByte(lowerhex[b>>uint(s)&0xF])
+ }
+ escaped.WriteRune('_')
+ } else if b < 0x10000 {
+ escaped.WriteRune('_')
+ for s := 12; s >= 0; s -= 4 {
+ escaped.WriteByte(lowerhex[b>>uint(s)&0xF])
+ }
+ escaped.WriteRune('_')
+ }
+ }
+ return escaped.String()
+ default:
+ panic(fmt.Sprintf("invalid escaping scheme %d", scheme))
+ }
+}
+
+// lower function taken from strconv.atoi
+func lower(c byte) byte {
+ return c | ('x' - 'X')
+}
+
+// UnescapeName unescapes the incoming name according to the provided escaping
+// scheme if possible. Some schemes are partially or totally non-roundtripable.
+// If any error is enountered, returns the original input.
+func UnescapeName(name string, scheme EscapingScheme) string {
+ if len(name) == 0 {
+ return name
+ }
+ switch scheme {
+ case NoEscaping:
+ return name
+ case UnderscoreEscaping:
+ // It is not possible to unescape from underscore replacement.
+ return name
+ case DotsEscaping:
+ name = strings.ReplaceAll(name, "_dot_", ".")
+ name = strings.ReplaceAll(name, "__", "_")
+ return name
+ case ValueEncodingEscaping:
+ escapedName, found := strings.CutPrefix(name, "U__")
+ if !found {
+ return name
+ }
+
+ var unescaped strings.Builder
+ TOP:
+ for i := 0; i < len(escapedName); i++ {
+ // All non-underscores are treated normally.
+ if escapedName[i] != '_' {
+ unescaped.WriteByte(escapedName[i])
+ continue
+ }
+ i++
+ if i >= len(escapedName) {
+ return name
+ }
+ // A double underscore is a single underscore.
+ if escapedName[i] == '_' {
+ unescaped.WriteByte('_')
+ continue
+ }
+ // We think we are in a UTF-8 code, process it.
+ var utf8Val uint
+ for j := 0; i < len(escapedName); j++ {
+ // This is too many characters for a utf8 value.
+ if j > 4 {
+ return name
+ }
+ // Found a closing underscore, convert to a rune, check validity, and append.
+ if escapedName[i] == '_' {
+ utf8Rune := rune(utf8Val)
+ if !utf8.ValidRune(utf8Rune) {
+ return name
+ }
+ unescaped.WriteRune(utf8Rune)
+ continue TOP
+ }
+ r := lower(escapedName[i])
+ utf8Val *= 16
+ if r >= '0' && r <= '9' {
+ utf8Val += uint(r) - '0'
+ } else if r >= 'a' && r <= 'f' {
+ utf8Val += uint(r) - 'a' + 10
+ } else {
+ return name
+ }
+ i++
+ }
+ // Didn't find closing underscore, invalid.
+ return name
+ }
+ return unescaped.String()
+ default:
+ panic(fmt.Sprintf("invalid escaping scheme %d", scheme))
+ }
+}
+
+func isValidLegacyRune(b rune, i int) bool {
+ return (b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || b == ':' || (b >= '0' && b <= '9' && i > 0)
+}
+
+func (e EscapingScheme) String() string {
+ switch e {
+ case NoEscaping:
+ return AllowUTF8
+ case UnderscoreEscaping:
+ return EscapeUnderscores
+ case DotsEscaping:
+ return EscapeDots
+ case ValueEncodingEscaping:
+ return EscapeValues
+ default:
+ panic(fmt.Sprintf("unknown format scheme %d", e))
+ }
+}
+
+func ToEscapingScheme(s string) (EscapingScheme, error) {
+ if s == "" {
+ return NoEscaping, fmt.Errorf("got empty string instead of escaping scheme")
+ }
+ switch s {
+ case AllowUTF8:
+ return NoEscaping, nil
+ case EscapeUnderscores:
+ return UnderscoreEscaping, nil
+ case EscapeDots:
+ return DotsEscaping, nil
+ case EscapeValues:
+ return ValueEncodingEscaping, nil
+ default:
+ return NoEscaping, fmt.Errorf("unknown format scheme " + s)
+ }
+}
diff --git a/vendor/github.com/prometheus/common/model/signature.go b/vendor/github.com/prometheus/common/model/signature.go
index 8762b13c6..dc8a0026c 100644
--- a/vendor/github.com/prometheus/common/model/signature.go
+++ b/vendor/github.com/prometheus/common/model/signature.go
@@ -22,10 +22,8 @@ import (
// when calculating their combined hash value (aka signature aka fingerprint).
const SeparatorByte byte = 255
-var (
- // cache the signature of an empty label set.
- emptyLabelSignature = hashNew()
-)
+// cache the signature of an empty label set.
+var emptyLabelSignature = hashNew()
// LabelsToSignature returns a quasi-unique signature (i.e., fingerprint) for a
// given label set. (Collisions are possible but unlikely if the number of label
diff --git a/vendor/github.com/prometheus/common/model/silence.go b/vendor/github.com/prometheus/common/model/silence.go
index bb99889d2..910b0b71f 100644
--- a/vendor/github.com/prometheus/common/model/silence.go
+++ b/vendor/github.com/prometheus/common/model/silence.go
@@ -81,7 +81,7 @@ func (s *Silence) Validate() error {
}
for _, m := range s.Matchers {
if err := m.Validate(); err != nil {
- return fmt.Errorf("invalid matcher: %s", err)
+ return fmt.Errorf("invalid matcher: %w", err)
}
}
if s.StartsAt.IsZero() {
diff --git a/vendor/github.com/prometheus/common/model/value.go b/vendor/github.com/prometheus/common/model/value.go
index 9eb440413..8050637d8 100644
--- a/vendor/github.com/prometheus/common/model/value.go
+++ b/vendor/github.com/prometheus/common/model/value.go
@@ -21,14 +21,12 @@ import (
"strings"
)
-var (
- // ZeroSample is the pseudo zero-value of Sample used to signal a
- // non-existing sample. It is a Sample with timestamp Earliest, value 0.0,
- // and metric nil. Note that the natural zero value of Sample has a timestamp
- // of 0, which is possible to appear in a real Sample and thus not suitable
- // to signal a non-existing Sample.
- ZeroSample = Sample{Timestamp: Earliest}
-)
+// ZeroSample is the pseudo zero-value of Sample used to signal a
+// non-existing sample. It is a Sample with timestamp Earliest, value 0.0,
+// and metric nil. Note that the natural zero value of Sample has a timestamp
+// of 0, which is possible to appear in a real Sample and thus not suitable
+// to signal a non-existing Sample.
+var ZeroSample = Sample{Timestamp: Earliest}
// Sample is a sample pair associated with a metric. A single sample must either
// define Value or Histogram but not both. Histogram == nil implies the Value
@@ -274,7 +272,7 @@ func (s *Scalar) UnmarshalJSON(b []byte) error {
value, err := strconv.ParseFloat(f, 64)
if err != nil {
- return fmt.Errorf("error parsing sample value: %s", err)
+ return fmt.Errorf("error parsing sample value: %w", err)
}
s.Value = SampleValue(value)
return nil
diff --git a/vendor/github.com/prometheus/common/model/value_float.go b/vendor/github.com/prometheus/common/model/value_float.go
index 0f615a705..ae35cc2ab 100644
--- a/vendor/github.com/prometheus/common/model/value_float.go
+++ b/vendor/github.com/prometheus/common/model/value_float.go
@@ -20,14 +20,12 @@ import (
"strconv"
)
-var (
- // ZeroSamplePair is the pseudo zero-value of SamplePair used to signal a
- // non-existing sample pair. It is a SamplePair with timestamp Earliest and
- // value 0.0. Note that the natural zero value of SamplePair has a timestamp
- // of 0, which is possible to appear in a real SamplePair and thus not
- // suitable to signal a non-existing SamplePair.
- ZeroSamplePair = SamplePair{Timestamp: Earliest}
-)
+// ZeroSamplePair is the pseudo zero-value of SamplePair used to signal a
+// non-existing sample pair. It is a SamplePair with timestamp Earliest and
+// value 0.0. Note that the natural zero value of SamplePair has a timestamp
+// of 0, which is possible to appear in a real SamplePair and thus not
+// suitable to signal a non-existing SamplePair.
+var ZeroSamplePair = SamplePair{Timestamp: Earliest}
// A SampleValue is a representation of a value for a given sample at a given
// time.
diff --git a/vendor/google.golang.org/protobuf/encoding/protodelim/protodelim.go b/vendor/google.golang.org/protobuf/encoding/protodelim/protodelim.go
new file mode 100644
index 000000000..2ef36bbcf
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/encoding/protodelim/protodelim.go
@@ -0,0 +1,160 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package protodelim marshals and unmarshals varint size-delimited messages.
+package protodelim
+
+import (
+ "bufio"
+ "encoding/binary"
+ "fmt"
+ "io"
+
+ "google.golang.org/protobuf/encoding/protowire"
+ "google.golang.org/protobuf/internal/errors"
+ "google.golang.org/protobuf/proto"
+)
+
+// MarshalOptions is a configurable varint size-delimited marshaler.
+type MarshalOptions struct{ proto.MarshalOptions }
+
+// MarshalTo writes a varint size-delimited wire-format message to w.
+// If w returns an error, MarshalTo returns it unchanged.
+func (o MarshalOptions) MarshalTo(w io.Writer, m proto.Message) (int, error) {
+ msgBytes, err := o.MarshalOptions.Marshal(m)
+ if err != nil {
+ return 0, err
+ }
+
+ sizeBytes := protowire.AppendVarint(nil, uint64(len(msgBytes)))
+ sizeWritten, err := w.Write(sizeBytes)
+ if err != nil {
+ return sizeWritten, err
+ }
+ msgWritten, err := w.Write(msgBytes)
+ if err != nil {
+ return sizeWritten + msgWritten, err
+ }
+ return sizeWritten + msgWritten, nil
+}
+
+// MarshalTo writes a varint size-delimited wire-format message to w
+// with the default options.
+//
+// See the documentation for [MarshalOptions.MarshalTo].
+func MarshalTo(w io.Writer, m proto.Message) (int, error) {
+ return MarshalOptions{}.MarshalTo(w, m)
+}
+
+// UnmarshalOptions is a configurable varint size-delimited unmarshaler.
+type UnmarshalOptions struct {
+ proto.UnmarshalOptions
+
+ // MaxSize is the maximum size in wire-format bytes of a single message.
+ // Unmarshaling a message larger than MaxSize will return an error.
+ // A zero MaxSize will default to 4 MiB.
+ // Setting MaxSize to -1 disables the limit.
+ MaxSize int64
+}
+
+const defaultMaxSize = 4 << 20 // 4 MiB, corresponds to the default gRPC max request/response size
+
+// SizeTooLargeError is an error that is returned when the unmarshaler encounters a message size
+// that is larger than its configured [UnmarshalOptions.MaxSize].
+type SizeTooLargeError struct {
+ // Size is the varint size of the message encountered
+ // that was larger than the provided MaxSize.
+ Size uint64
+
+ // MaxSize is the MaxSize limit configured in UnmarshalOptions, which Size exceeded.
+ MaxSize uint64
+}
+
+func (e *SizeTooLargeError) Error() string {
+ return fmt.Sprintf("message size %d exceeded unmarshaler's maximum configured size %d", e.Size, e.MaxSize)
+}
+
+// Reader is the interface expected by [UnmarshalFrom].
+// It is implemented by *[bufio.Reader].
+type Reader interface {
+ io.Reader
+ io.ByteReader
+}
+
+// UnmarshalFrom parses and consumes a varint size-delimited wire-format message
+// from r.
+// The provided message must be mutable (e.g., a non-nil pointer to a message).
+//
+// The error is [io.EOF] error only if no bytes are read.
+// If an EOF happens after reading some but not all the bytes,
+// UnmarshalFrom returns a non-io.EOF error.
+// In particular if r returns a non-io.EOF error, UnmarshalFrom returns it unchanged,
+// and if only a size is read with no subsequent message, [io.ErrUnexpectedEOF] is returned.
+func (o UnmarshalOptions) UnmarshalFrom(r Reader, m proto.Message) error {
+ var sizeArr [binary.MaxVarintLen64]byte
+ sizeBuf := sizeArr[:0]
+ for i := range sizeArr {
+ b, err := r.ReadByte()
+ if err != nil {
+ // Immediate EOF is unexpected.
+ if err == io.EOF && i != 0 {
+ break
+ }
+ return err
+ }
+ sizeBuf = append(sizeBuf, b)
+ if b < 0x80 {
+ break
+ }
+ }
+ size, n := protowire.ConsumeVarint(sizeBuf)
+ if n < 0 {
+ return protowire.ParseError(n)
+ }
+
+ maxSize := o.MaxSize
+ if maxSize == 0 {
+ maxSize = defaultMaxSize
+ }
+ if maxSize != -1 && size > uint64(maxSize) {
+ return errors.Wrap(&SizeTooLargeError{Size: size, MaxSize: uint64(maxSize)}, "")
+ }
+
+ var b []byte
+ var err error
+ if br, ok := r.(*bufio.Reader); ok {
+ // Use the []byte from the bufio.Reader instead of having to allocate one.
+ // This reduces CPU usage and allocated bytes.
+ b, err = br.Peek(int(size))
+ if err == nil {
+ defer br.Discard(int(size))
+ } else {
+ b = nil
+ }
+ }
+ if b == nil {
+ b = make([]byte, size)
+ _, err = io.ReadFull(r, b)
+ }
+
+ if err == io.EOF {
+ return io.ErrUnexpectedEOF
+ }
+ if err != nil {
+ return err
+ }
+ if err := o.Unmarshal(b, m); err != nil {
+ return err
+ }
+ return nil
+}
+
+// UnmarshalFrom parses and consumes a varint size-delimited wire-format message
+// from r with the default options.
+// The provided message must be mutable (e.g., a non-nil pointer to a message).
+//
+// See the documentation for [UnmarshalOptions.UnmarshalFrom].
+func UnmarshalFrom(r Reader, m proto.Message) error {
+ return UnmarshalOptions{}.UnmarshalFrom(r, m)
+}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index c2225f18b..c91df5eca 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -521,9 +521,6 @@ github.com/mattn/go-isatty
# github.com/mattn/go-runewidth v0.0.14
## explicit; go 1.9
github.com/mattn/go-runewidth
-# github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0
-## explicit; go 1.19
-github.com/matttproud/golang_protobuf_extensions/v2/pbutil
# github.com/mbilski/exhaustivestruct v1.2.0
## explicit; go 1.15
github.com/mbilski/exhaustivestruct/pkg/analyzer
@@ -579,8 +576,8 @@ github.com/pmezard/go-difflib/difflib
# github.com/polyfloyd/go-errorlint v1.4.5
## explicit; go 1.20
github.com/polyfloyd/go-errorlint/errorlint
-# github.com/prometheus/client_golang v1.18.0
-## explicit; go 1.19
+# github.com/prometheus/client_golang v1.19.0
+## explicit; go 1.20
github.com/prometheus/client_golang/prometheus
github.com/prometheus/client_golang/prometheus/internal
github.com/prometheus/client_golang/prometheus/promauto
@@ -590,7 +587,7 @@ github.com/prometheus/client_golang/prometheus/testutil/promlint/validations
# github.com/prometheus/client_model v0.5.0
## explicit; go 1.19
github.com/prometheus/client_model/go
-# github.com/prometheus/common v0.45.0
+# github.com/prometheus/common v0.48.0
## explicit; go 1.20
github.com/prometheus/common/expfmt
github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg
@@ -1152,6 +1149,7 @@ google.golang.org/grpc/status
google.golang.org/grpc/tap
# google.golang.org/protobuf v1.32.0
## explicit; go 1.17
+google.golang.org/protobuf/encoding/protodelim
google.golang.org/protobuf/encoding/protojson
google.golang.org/protobuf/encoding/prototext
google.golang.org/protobuf/encoding/protowire