WIP-DEVOPS-7488: update node-exporter

.circleci/config.yml

@@ -0,0 +1,139 @@
+---
+version: 2.1
+
+orbs:
+  prometheus: prometheus/prometheus@0.11.0
+
+executors:
+  # Whenever the Go version is updated here, .promu.yml and .promu-cgo.yml
+  # should also be updated.
+  golang:
+    docker:
+      - image: circleci/golang:1.17
+
+jobs:
+  test:
+    executor: golang
+
+    steps:
+      - prometheus/setup_environment
+      - run: go mod download
+      - run: make
+      - prometheus/store_artifact:
+          file: node_exporter
+
+  codespell:
+    docker:
+      - image: circleci/python
+
+    steps:
+      - checkout
+      - run: sudo pip install codespell
+      - run: codespell --skip=".git,./vendor,ttar,go.mod,go.sum,*pem,./collector/fixtures" -L uint,packages\',uptodate
+
+  test_mixins:
+    executor: golang
+    steps:
+      - checkout
+      - run: go install github.com/google/go-jsonnet/cmd/jsonnet@latest
+      - run: go install github.com/google/go-jsonnet/cmd/jsonnetfmt@latest
+      - run: go install github.com/jsonnet-bundler/jsonnet-bundler/cmd/jb@latest
+      - run: make promtool
+      - run: make -C docs/node-mixin clean
+      - run: make -C docs/node-mixin jb_install
+      - run: make -C docs/node-mixin
+      - run: git diff --exit-code
+
+  build:
+    machine:
+      image: ubuntu-2004:202101-01
+
+    parallelism: 3
+
+    steps:
+      - prometheus/setup_environment
+      - run: docker run --privileged linuxkit/binfmt:v0.8
+      - run: promu crossbuild -v --parallelism $CIRCLE_NODE_TOTAL --parallelism-thread $CIRCLE_NODE_INDEX
+      - run: promu --config .promu-cgo.yml crossbuild -v --parallelism $CIRCLE_NODE_TOTAL --parallelism-thread $CIRCLE_NODE_INDEX
+      - persist_to_workspace:
+          root: .
+          paths:
+            - .build
+      - store_artifacts:
+          path: .build
+          destination: /build
+
+  test_docker:
+    machine:
+      image: ubuntu-2004:202101-01
+
+    environment:
+      DOCKER_TEST_IMAGE_NAME: quay.io/prometheus/golang-builder:1.16-base
+      REPO_PATH: github.com/prometheus/node_exporter
+
+    steps:
+      - prometheus/setup_environment
+      - attach_workspace:
+          at: .
+      - run:
+          command: |
+            if [ -n "$CIRCLE_TAG" ]; then
+              make docker DOCKER_IMAGE_TAG=$CIRCLE_TAG
+            else
+              make docker
+            fi
+      - run: docker images
+      - run: docker run --rm -t -v "$(pwd):/app" "${DOCKER_TEST_IMAGE_NAME}" -i "${REPO_PATH}" -T
+      - run:
+          command: |
+            if [ -n "$CIRCLE_TAG" ]; then
+              make test-docker DOCKER_IMAGE_TAG=$CIRCLE_TAG
+            else
+              make test-docker
+            fi
+
+workflows:
+  version: 2
+  node_exporter:
+    jobs:
+      - test:
+          filters:
+            tags:
+              only: /.*/
+      - build:
+          filters:
+            tags:
+              only: /.*/
+      - codespell:
+          filters:
+            tags:
+              only: /.*/
+      - test_docker:
+          requires:
+            - test
+            - build
+          filters:
+            tags:
+              only: /.*/
+      - test_mixins:
+          filters:
+            tags:
+              only: /.*/
+      - prometheus/publish_master:
+          context: org-context
+          requires:
+            - test
+            - build
+          filters:
+            branches:
+              only: master
+      - prometheus/publish_release:
+          context: org-context
+          requires:
+            - test
+            - build
+          filters:
+            tags:
+              only: /^v.*/
+            branches:
+              ignore: /.*/

.dockerignore

@@ -2,3 +2,7 @@
 .tarballs/
 
 !.build/linux-amd64
+!.build/linux-armv7
+!.build/linux-arm64
+!.build/linux-ppc64le
+!.build/linux-s390x

.github/workflows/golangci-lint.yml

@@ -0,0 +1,31 @@
+name: golangci-lint
+on:
+  push:
+    paths:
+      - "go.sum"
+      - "go.mod"
+      - "**.go"
+      - "scripts/errcheck_excludes.txt"
+      - ".github/workflows/golangci-lint.yml"
+      - ".golangci.yml"
+  pull_request:
+    paths:
+      - "go.sum"
+      - "go.mod"
+      - "**.go"
+      - "scripts/errcheck_excludes.txt"
+      - ".github/workflows/golangci-lint.yml"
+      - ".golangci.yml"
+
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          version: v1.42.0

.gitignore

@@ -34,3 +34,5 @@ dependencies-stamp
 
 # Test files extracted from ttar
 collector/fixtures/sys/
+
+/vendor

.golangci.yml

@@ -0,0 +1,22 @@
+linters:
+  enable:
+    - revive
+  disable:
+    # Disable soon to deprecated[1] linters that lead to false
+    # positives when build tags disable certain files[2]
+    # 1: https://github.com/golangci/golangci-lint/issues/1841
+    # 2: https://github.com/prometheus/node_exporter/issues/1545
+    - deadcode
+    - unused
+    - structcheck
+    - varcheck
+
+issues:
+  exclude-rules:
+    - path: _test.go
+      linters:
+        - errcheck
+
+linters-settings:
+  errcheck:
+    exclude: scripts/errcheck_excludes.txt

.promu-cgo.yml

@@ -0,0 +1,27 @@
+go:
+    # Whenever the Go version is updated here, .circle/config.yml and
+    # .promu.yml should also be updated.
+    version: 1.17
+    cgo: true
+repository:
+    path: github.com/prometheus/node_exporter
+build:
+    binaries:
+        - name: node_exporter
+    flags: -a -tags 'netgo osusergo static_build'
+    ldflags: |
+        -X github.com/prometheus/common/version.Version={{.Version}}
+        -X github.com/prometheus/common/version.Revision={{.Revision}}
+        -X github.com/prometheus/common/version.Branch={{.Branch}}
+        -X github.com/prometheus/common/version.BuildUser={{user}}@{{host}}
+        -X github.com/prometheus/common/version.BuildDate={{date "20060102-15:04:05"}}
+tarball:
+    files:
+        - LICENSE
+        - NOTICE
+crossbuild:
+    platforms:
+        - darwin/amd64
+        - darwin/arm64
+        - netbsd/amd64
+        - netbsd/386

.promu.yml

@@ -1,31 +1,24 @@
 go:
-    cgo: true
+    # Whenever the Go version is updated here, .circle/config.yml and
+    # .promu-cgo.yml should also be updated.
+    version: 1.17
 repository:
     path: github.com/prometheus/node_exporter
 build:
     binaries:
         - name: node_exporter
-    flags: -a -tags 'netgo static_build'
+    flags: -a -tags 'netgo osusergo static_build'
     ldflags: |
-        -X {{repoPath}}/vendor/github.com/prometheus/common/version.Version={{.Version}}
-        -X {{repoPath}}/vendor/github.com/prometheus/common/version.Revision={{.Revision}}
-        -X {{repoPath}}/vendor/github.com/prometheus/common/version.Branch={{.Branch}}
-        -X {{repoPath}}/vendor/github.com/prometheus/common/version.BuildUser={{user}}@{{host}}
-        -X {{repoPath}}/vendor/github.com/prometheus/common/version.BuildDate={{date "20060102-15:04:05"}}
+        -X github.com/prometheus/common/version.Version={{.Version}}
+        -X github.com/prometheus/common/version.Revision={{.Revision}}
+        -X github.com/prometheus/common/version.Branch={{.Branch}}
+        -X github.com/prometheus/common/version.BuildUser={{user}}@{{host}}
+        -X github.com/prometheus/common/version.BuildDate={{date "20060102-15:04:05"}}
 tarball:
     files:
         - LICENSE
         - NOTICE
 crossbuild:
     platforms:
-        - linux/amd64
-        - linux/386
-        - darwin/amd64
-        - darwin/386
-        - netbsd/amd64
-        - netbsd/386
-        - linux/arm
-        - linux/arm64
-        # Temporarily deactivated as this does not currently build with promu.
-        #- linux/mips64
-        #- linux/mips64le
+        - linux
+        - openbsd/amd64

.yamllint

@@ -0,0 +1,27 @@
+---
+extends: default
+
+rules:
+  braces:
+    max-spaces-inside: 1
+    level: error
+  brackets:
+    max-spaces-inside: 1
+    level: error
+  commas: disable
+  comments: disable
+  comments-indentation: disable
+  document-start: disable
+  indentation:
+    spaces: consistent
+  key-duplicates:
+    ignore: |
+      config/testdata/section_key_dup.bad.yml
+  line-length: disable
+  truthy:
+    ignore: |
+      .github/workflows/codeql-analysis.yml
+      .github/workflows/funcbench.yml
+      .github/workflows/fuzzing.yml
+      .github/workflows/prombench.yml
+      .github/workflows/golangci-lint.yml