Switch to github action

Signed-off-by: Julien Pivotto <[email protected]>

.circleci/config.yml

@@ -1,48 +1,33 @@
+---
+# Prometheus has switched to GitHub action.
+# Circle CI is not disabled repository-wise so that previous pull requests
+# continue working.
+# This file does not generate any CircleCI workflow.
+
 version: 2.1
-orbs:
-  prometheus: prometheus/[email protected]
+
 executors:
-  # Whenever the Go version is updated here, .promu.yml should also be updated.
   golang:
     docker:
-      - image: cimg/go:1.19
+      - image: busybox
+
 jobs:
-  test:
+  noopjob:
     executor: golang
+
     steps:
-      - prometheus/setup_environment
-      - run: make
-      - run: git diff --exit-code
-      - prometheus/store_artifact:
-          file: influxdb_exporter
+      - run:
+          command: "true"
+
 workflows:
   version: 2
-  influxdb_exporter:
+  prometheus:
     jobs:
-      - test:
+      - noopjob
+    triggers:
+      - schedule:
+          cron: "0 0 30 2 *"
           filters:
-            tags:
-              only: /.*/
-      - prometheus/build:
-          name: build
-          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[0-9]+(\.[0-9]+){2}(-.+|[^-.]*)$/
             branches:
-              ignore: /.*/
+              only:
+                - main

.github/workflows/ci.yml

@@ -0,0 +1,77 @@
+---
+name: CI
+on:  # yamllint disable-line rule:truthy
+  pull_request:
+  push:
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    # Whenever the Go version is updated here, .promu.yml
+    # should also be updated.
+    container:
+      image: quay.io/prometheus/golang-builder:1.19-base
+    steps:
+      - uses: actions/checkout@v3
+      - uses: prometheus/[email protected]
+      - uses: ./.github/promci/actions/setup_environment
+      - run: make SKIP_GOLANGCI_LINT=1
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        thread: [ 0, 1, 2, 3, 4, 5 ]
+    steps:
+      - uses: actions/checkout@v3
+      - uses: prometheus/[email protected]
+      - uses: ./.github/promci/actions/build
+        with:
+          parallelism: 6
+          thread: ${{ matrix.thread }}
+
+  golangci:
+    name: golangci-lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Install Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '<1.18'
+      - name: Lint
+        uses: golangci/[email protected]
+        with:
+          version: v1.50.1
+
+  publish_main:
+    name: Publish main branch artifacts
+    runs-on: ubuntu-latest
+    needs: [test, build]
+    if: github.event_name == 'push' && github.event.ref == 'refs/heads/main'
+    steps:
+      - uses: actions/checkout@v3
+      - uses: prometheus/[email protected]
+      - uses: ./.github/promci/actions/publish_main
+        with:
+          docker_hub_login: ${{ secrets.docker_hub_login }}
+          docker_hub_password: ${{ secrets.docker_hub_password }}
+          quay_io_login: ${{ secrets.quay_io_login }}
+          quay_io_password: ${{ secrets.quay_io_password }}
+
+  publish_release:
+    name: Publish release arfefacts
+    runs-on: ubuntu-latest
+    needs: [test, build]
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+    steps:
+      - uses: actions/checkout@v3
+      - uses: prometheus/[email protected]
+      - uses: ./.github/promci/actions/publish_release
+        with:
+          docker_hub_login: ${{ secrets.docker_hub_login }}
+          docker_hub_password: ${{ secrets.docker_hub_password }}
+          quay_io_login: ${{ secrets.quay_io_login }}
+          quay_io_password: ${{ secrets.quay_io_password }}
+          github_token: ${{ secrets.PROMBOT_GITHUB_TOKEN }}

.yamllint

@@ -0,0 +1,28 @@
+---
+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
+    indent-sequences: 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

main.go

@@ -17,7 +17,7 @@ import (
 	"compress/gzip"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net"
 	"net/http"
 	"os"
@@ -143,15 +143,15 @@ func (c *influxDBCollector) influxDBPost(w http.ResponseWriter, r *http.Request)
 			JSONErrorResponse(w, fmt.Sprintf("error reading compressed body: %s", err), 500)
 			return
 		}
-		*bufPointer, err = ioutil.ReadAll(gunzip)
+		*bufPointer, err = io.ReadAll(gunzip)
 		if err != nil {
 			JSONErrorResponse(w, fmt.Sprintf("error decompressing data: %s", err), 500)
 			return
 		}
 	} else {
 		bufPointer := &buf
 		var err error
-		*bufPointer, err = ioutil.ReadAll(r.Body)
+		*bufPointer, err = io.ReadAll(r.Body)
 
 		if err != nil {
 			JSONErrorResponse(w, fmt.Sprintf("error reading body: %s", err), 500)