Save yamllint output/log to a file (#23)

.github/workflows/lint.yml

@@ -5,7 +5,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: lint with config
+
+      - name: Get yamllint version
+        run: yamllint --version
+
+      - id: lint-with-config
+        name: lint with config
         uses: ./
         with:
           file_or_dir: test
@@ -18,7 +23,8 @@ jobs:
               trailing-spaces:
                 level: warning
 
-      - name: lint all - no warnings (continue on error)
+      - id: lint-all-no-warnings
+        name: lint all - no warnings (continue on error)
         continue-on-error: true
         uses: ./
         with:
@@ -26,13 +32,26 @@ jobs:
           strict: true
           no_warnings: true
 
-      - name: lint all (continue on error)
+      - id: lint-all-continue
+        name: lint all (continue on error)
         continue-on-error: true
         uses: ./
         with:
           file_or_dir: test
           strict: true
+          format: standard
 
-      - name: default lint all (continue on error)
+      - id: default-lint-all
+        name: default lint all (continue on error)
         continue-on-error: true
         uses: ./
+
+      - id: print-output
+        if: always()
+        name: Print output
+        run: |
+          echo ${{ steps.lint-with-config.outputs.logfile }}
+          cat ${{ steps.lint-with-config.outputs.logfile }}
+
+          echo ${{ steps.lint-all-continue.outputs.logfile }}
+          cat ${{ steps.lint-all-continue.outputs.logfile }}

README.md

@@ -1,6 +1,6 @@
 # GitHub YAMLlint
 
-This action executes `yamllint` (https://github.com/adrienverge/yamllint) against file(s) or folder
+This action executes `yamllint` (https://github.com/adrienverge/yamllint) against files or folder
 
 ## Usage
 
@@ -10,7 +10,7 @@ Simple as:
 - uses: ibiqlik/action-yamllint@v3
 ```
 
-### Optional parameters
+### Optional input parameters
 
 - `config_file` - Path to custom configuration
 - `config_data` - Custom configuration (as YAML source)
@@ -23,18 +23,27 @@ Simple as:
 - `strict` - Return non-zero exit code on warnings as well as errors `[true,false] (default: false)`
 - `no_warnings` - Output only error level problems `[true,false] (default: false)`
 
-**Note:** If `.yamllint` configuration file exists in your root folder, yamllint will automatically use it.
+**Note:** If `.yamllint` configuration file exists in your root folder, yamllint automatically uses it.
+
+### Outputs
+
+`logfile` - Path to yamllint log file
+
+`${{ steps.<step>.outputs.logfile }}`
+
+**Note:** Each yamllint run (for example if you define multiple yamllint steps) has its own log
 
 ### Example usage in workflow
 
 ```yaml
+---
 name: Yaml Lint
-on: [push]
+on: [push]  # yamllint disable-line rule:truthy
 jobs:
   lintAllTheThings:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: yaml-lint
         uses: ibiqlik/action-yamllint@v3
         with:
@@ -42,11 +51,12 @@ jobs:
           config_file: .yamllint.yml
 ```
 
-Or just simply check all yaml files in the repository:
+Or just simply lint all yaml files in the repository:
 
 ```yaml
+---
 name: Yaml Lint
-on: [push]
+on: [push]  # yamllint disable-line rule:truthy
 jobs:
   lintAllTheThings:
     runs-on: ubuntu-latest
@@ -73,3 +83,26 @@ config_data: |
     trailing-spaces:
       level: warning
 ```
+
+Use output to save/upload the log in artifact. Note, you must have `id` in the step running the yamllint action.
+
+```yaml
+---
+name: Yaml Lint
+on: [push]  # yamllint disable-line rule:truthy
+jobs:
+  lintAllTheThings:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - id: yaml-lint
+        uses: ibiqlik/action-yamllint@v3
+
+      - run: echo ${{ steps.yaml-lint.outputs.logfile }}
+
+      - uses: actions/upload-artifact@v2
+        if: always()
+        with:
+          name: yamllint-logfile
+          path: ${{ steps.yaml-lint.outputs.logfile }}
+```

action.yml

@@ -25,10 +25,18 @@ inputs:
     required: false
     default: "false"
 
+outputs:
+  logfile:
+    description: "Yamllint log file path"
+    value: ${{ steps.yamllint.outputs.logfile }}
+
 runs:
   using: 'composite'
   steps:
-    - run: ${{ github.action_path }}/entrypoint.sh
+    - id: yamllint
+      run: |
+        # export LOGFILE=$(mktemp yamllint-XXXXXX)
+        ${{ github.action_path }}/entrypoint.sh
       shell: bash
       env:
         INPUT_FILE_OR_DIR: ${{ inputs.file_or_dir }}

entrypoint.sh

@@ -1,9 +1,15 @@
 #!/bin/bash -l
+# shellcheck disable=SC2086
+set -o pipefail
 
 echo "======================"
 echo "= Linting YAML files ="
 echo "======================"
 
+if [[ -z "$LOGFILE" ]]; then
+  LOGFILE=$(mktemp yamllint-XXXXXX)
+fi
+
 if [[ -n "$INPUT_CONFIG_FILE" ]]; then
     options+=(-c "$INPUT_CONFIG_FILE")
 fi
@@ -25,10 +31,10 @@ fi
 # Enable globstar so ** globs recursively
 shopt -s globstar
 
-yamllint "${options[@]}" ${INPUT_FILE_OR_DIR:-.}
+yamllint "${options[@]}" ${INPUT_FILE_OR_DIR:-.} | tee -a "$LOGFILE"
-
 exitcode=$?
 
 shopt -u globstar
+echo "::set-output name=logfile::$(realpath ${LOGFILE})"
 
 exit $exitcode