Lint YAML files (mainly semantic conventions). (open-telemetry#1814)

Co-authored-by: Armin Ruech <[email protected]>

.github/workflows/auto-assign-tc-members.yml

@@ -1,14 +1,14 @@
 name: 'Auto Assign'
-on: 
+on:
   pull_request_target:
     types: [opened, ready_for_review]
 
 jobs:
   add-owner:
     runs-on: ubuntu-latest
     steps:
-    - name: run
-      uses: kentaro-m/[email protected]
-      with: 
-        configuration-path: ".github/auto_assign.yml"
-        repo-token: '${{ secrets.GITHUB_TOKEN }}'
+      - name: run
+        uses: kentaro-m/[email protected]
+        with:
+          configuration-path: ".github/auto_assign.yml"
+          repo-token: '${{ secrets.GITHUB_TOKEN }}'

.github/workflows/checks.yaml

@@ -19,6 +19,20 @@ jobs:
     - name: run markdownlint
       run: make markdownlint
 
+  yamllint:
+    runs-on: ubuntu-latest
+    steps:
+    - name: check out code
+      uses: actions/checkout@v2
+
+    - uses: actions/setup-python@v2
+
+    - name: install yamllint
+      run: make install-yamllint
+
+    - name: run yamllint
+      run: yamllint . -f github
+
   markdown-link-check:
     runs-on: ubuntu-latest
     steps:

.github/workflows/stale-pr.yaml

@@ -1,17 +1,17 @@
 name: "Close stale pull requests"
 on:
   schedule:
-    - cron: "12 3 * * *" # arbitrary time not to DDOS GitHub
+    - cron: "12 3 * * *"  # arbitrary time not to DDOS GitHub
 
 jobs:
   stale:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/stale@v3
-      with:
-        repo-token: ${{ secrets.GITHUB_TOKEN }}
-        stale-pr-message: 'This PR was marked stale due to lack of activity. It will be closed in 7 days.'
-        close-pr-message: 'Closed as inactive. Feel free to reopen if this PR is still being worked on.'
-        exempt-pr-labels: 'release:after-ga'
-        days-before-stale: 7
-        days-before-close: 7
+      - uses: actions/stale@v3
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          stale-pr-message: 'This PR was marked stale due to lack of activity. It will be closed in 7 days.'
+          close-pr-message: 'Closed as inactive. Feel free to reopen if this PR is still being worked on.'
+          exempt-pr-labels: 'release:after-ga'
+          days-before-stale: 7
+          days-before-close: 7

.markdownlint.yaml

@@ -20,4 +20,3 @@ MD033: false
 
 # fenced-code-language
 MD040: false
-

.yamllint

@@ -0,0 +1,15 @@
+extends: default
+
+rules:
+  document-start: disable
+  octal-values: enable
+  truthy:
+    allowed-values: ['true', 'false', 'on']  # 'on' for GH action trigger
+  line-length:
+    max: 200
+  indentation:
+    check-multi-line-strings: false
+    indent-sequences: consistent
+  brackets:
+    max-spaces-inside: 1
+    max-spaces-inside-empty: 0

Makefile

@@ -41,6 +41,15 @@ install-markdownlint:
 markdownlint:
 	@for f in $(ALL_DOCS); do echo $$f; $(MARKDOWN_LINT) -c .markdownlint.yaml $$f || exit 1;	done
 
+.PHONY: install-yamllint
+install-yamllint:
+    # Using a venv is recommended
+	pip install -U yamllint~=1.26.1
+
+.PHONY: yamllint
+yamllint:
+	yamllint .
+
 # Generate markdown tables from YAML definitions
 .PHONY: table-generation
 table-generation:

semantic_conventions/resource/cloud_provider/aws/eks.yaml

@@ -8,4 +8,4 @@ groups:
         type: string
         brief: >
           The ARN of an EKS cluster.
-        examples: ['arn:aws:ecs:us-west-2:123456789123:cluster/my-cluster']
+        examples: ['arn:aws:ecs:us-west-2:123456789123:cluster/my-cluster']

semantic_conventions/resource/container.yaml

@@ -31,4 +31,3 @@ groups:
         brief: >
           Container image tag.
         examples: ['0.1']
-