Use yamllint github format to set file annotations on errors & warnings (#12)

* Use github format output

* Add few tests

* Config yamllint

.github/workflows/lint.yml

@@ -0,0 +1,26 @@
+name: Test Action
+on: pull_request
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: lint with config
+        uses: ./
+        with:
+          file_or_dir: test
+          config_data: |
+            extends: default
+            ignore: nok.yaml
+            rules:
+              new-line-at-end-of-file:
+                level: warning
+              trailing-spaces:
+                level: warning
+
+      - name: lint all (but pass)
+        continue-on-error: true
+        uses: ./
+        with:
+          file_or_dir: test
+          strict: true

.yamllint

@@ -0,0 +1,11 @@
+---
+extends: default
+
+rules:
+  line-length: disable
+  new-lines:
+    type: unix
+  new-line-at-end-of-file:
+    level: warning
+  trailing-spaces:
+    level: warning

Dockerfile

@@ -1,6 +1,6 @@
 FROM python:3-alpine
 
-RUN pip install yamllint && \
+RUN pip install 'yamllint>=1.25.0' && \
     apk add --no-cache bash && \
     rm -rf ~/.cache/pip
 

README.md

@@ -4,17 +4,23 @@ This action executes `yamllint` (https://github.com/adrienverge/yamllint) agains
 
 ## Usage
 
+Simple as:
+
+```yaml
+- uses: ibiqlik/action-yamllint@v2
+```
+
 ### Optional parameters
 
 - `config_file` - Path to custom configuration
 - `config_data` - Custom configuration (as YAML source)
 - `file_or_dir` - Enter file/folder (space separated), wildcards accepted. Examples:
-    - `.` - run against all yaml files in a directory recursively (default)
-    - `file1.yaml`
-    - `file1.yaml file2.yaml`
-    - `kustomize/**/*.yaml mychart/*values.yaml`
-- `format` - Format for parsing output [parsable,standard,colored,auto] (default: colored)
-- `strict` - Return non-zero exit code on warnings as well as errors [true,false]
+  - `.` - run against all yaml files in a directory recursively (default)
+  - `file1.yaml`
+  - `file1.yaml file2.yaml`
+  - `kustomize/**/*.yaml mychart/*values.yaml`
+- `format` - Format for parsing output [parsable,standard,colored,github,auto] (default: github)
+- `strict` - Return non-zero exit code on warnings as well as errors [true,false] (default: false)
 
 ### Example usage in workflow
 
@@ -27,7 +33,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: yaml-lint
-      uses: ibiqlik/action-yamllint@v1
+      uses: ibiqlik/action-yamllint@v2
       with:
         file_or_dir: myfolder/*values*.yaml
         config_file: .yamllint.yml
@@ -44,5 +50,25 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: yaml-lint
-      uses: ibiqlik/action-yamllint@v1
+      uses: ibiqlik/action-yamllint@v2
+```
+
+**Note:** Action will use `.yamllint` as configuration file automatically if it is available in root.
+
+Config data examples:
+
+```yaml
+# Single line
+config_data: "{extends: default, rules: {new-line-at-end-of-file: disable}}"
+```
+
+``` yaml
+# Multi line
+config_data: |
+  extends: default
+  rules:
+    new-line-at-end-of-file:
+      level: warning
+    trailing-spaces:
+      level: warning
 ```

action.yml

@@ -5,7 +5,7 @@ author: 'ibiqlik'
 inputs:
   file_or_dir:
     description: 'File(s) or Directory, separate by space if multiple files or folder are specified'
-    required: true
+    required: false
   config_file:
     description: 'Path to custom configuration'
     required: false
@@ -13,9 +13,9 @@ inputs:
     description: 'Custom configuration (as YAML source)'
     required: false
   format:
-    description: 'Format for parsing output [parsable,standard,colored,auto]'
+    description: 'Format for parsing output [parsable,standard,colored,github,auto]'
     required: false
-    default: "colored"
+    default: "github"
   strict:
     description: 'Return non-zero exit code on warnings as well as errors'
     required: false

test/nok.yaml

@@ -0,0 +1,5 @@
+this:
+  is: Not
+  a valid
+  - yaml
+  file 

test/ok.yaml

@@ -0,0 +1,6 @@
+---
+this:
+  is: a
+  valid:
+    - yaml
+    - file

test/warning.yaml

@@ -0,0 +1,7 @@
+---
+this:
+  is: a
+  valid:
+    - yaml
+    - file
+  with: warnings