Add linting pipeline

Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>

.pipeline.yml

@@ -1,6 +1,17 @@
 skip_clone: true
 
 pipeline:
+  lint:
+    image: registry.opensuse.org/home/crameleon/libertacasa/containers/containerfile/libertacasa/pipeline-lint:latest
+    secrets: [ci_netrc_username, ci_netrc_password, ci_netrc_machine]
+    when:
+      event: [push]
+    commands:
+      - git clone --single-branch -b $CI_COMMIT_BRANCH $CI_REPO_LINK ../salt-libertacasa-linting
+      - cd ../salt-libertacasa-linting
+      - find . -type f \( -name '*.yaml' -o -name '*.yml' \) -exec yamllint -f colored -s {} +
+      - find . -name '*.sls' -exec salt-lint --severity {} +
+
   check:
     image: registry.opensuse.org/home/crameleon/libertacasa/containers/containerfile/libertacasa/pipeline:latest
     secrets: [ ci_netrc_username, ci_netrc_password, ci_netrc_machine ]