Add reusable gitlab workflows (#42)

* add initial gitlab-ci.yml

* update sync rules

* add shellcheck style template

* sync to master

* switch image to alpine

* Update sync to be more generic
- control repo with vars

* Move sync job to separate file for downstream trigger

* fix local

* move rules from upstream to downstream

* move rules from upstream to downstream

* revert rules from child to parent

* update defaults

* update defaults

* Move vars to downstream

* streamline rules

* add trigger defaults

* add trigger defaults

* revert default trigger

* re-enable manual sync
- add allow_failure so it doesn't block the pipeline

* streamline vars

* try to set default rules

* revert rules

* revert rules

* remove stage

* remove manual trigger

* streamline test

* move variables

* Shellcheck doesn't need anything so it can run first

* curl checkstyle template

* add curl

* add insecure curl

* debug checkstyle xslt

* use wget instead of curl

* checkstyle template in yml

* update method to dump file

* test

* fix filename

* remove debug

* change test to lint stage

* remove checkstyle2junit.xslt

* Remove wget

* rename default rules
- use corect branch name
- use correct image tag name

* update rule names

* add push_only rule

* move files to .gitlab

* update paths

* remove unused vars

.gitlab-ci.yml

@@ -0,0 +1,12 @@
+include:
+  - local: .gitlab/defaults.yml
+  - local: .gitlab/shellcheck.yml
+  - local: .gitlab/sync-github.yml
+
+stages:
+  - lint
+  - sync
+
+sync-github:
+  variables:
+    GITHUB_REPO: DSS

.gitlab/defaults.yml

@@ -0,0 +1,32 @@
+.default_rules:
+  merge_only:
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
+      variables:
+        BRANCH_NAME: $CI_MERGE_REQUEST_TARGET_BRANCH_NAME
+        SONAR_BRANCH: ''
+    - if: $CI_PIPELINE_SOURCE == "schedule"
+      when: never
+    - if: $CI_PIPELINE_SOURCE == "web"
+  merge_and_push:
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
+      variables:
+        BRANCH_NAME: $CI_MERGE_REQUEST_TARGET_BRANCH_NAME
+        SONAR_BRANCH: ''
+    - if: $CI_COMMIT_BRANCH == "master" && $CI_PIPELINE_SOURCE == "push"
+    - if: $CI_COMMIT_BRANCH =~ /^stable\/.*/ && $CI_PIPELINE_SOURCE == "push"
+    - if: $CI_PIPELINE_SOURCE == "schedule"
+      when: never
+    - if: $CI_PIPELINE_SOURCE == "web"
+  push_only:
+    - if: $CI_COMMIT_BRANCH == "master" && $CI_PIPELINE_SOURCE == "push"
+    - if: $CI_COMMIT_BRANCH =~ /^stable\/.*/ && $CI_PIPELINE_SOURCE == "push"
+  scheduled_sync:
+    - if: $CI_PIPELINE_SOURCE == "schedule" && $SCHEDULE_TYPE == "sync"
+
+variables:
+  BRANCH_NAME: $CI_COMMIT_BRANCH
+  SONAR_BRANCH: -Dsonar.branch.name=$CI_COMMIT_BRANCH
+
+default:
+  image:
+    name: dss-build_$BRANCH_NAME

.gitlab/shellcheck.yml

@@ -0,0 +1,68 @@
+shellcheck:
+  stage: lint
+  image: koalaman/shellcheck-alpine:$SHELLCHECK_VER
+  before_script:
+    - apk update
+    - apk add git xmlstarlet
+    - shellcheck --version
+    - |
+      cat > checkstyle2junit.xslt <<EOL
+      <?xml version="1.0" encoding="UTF-8"?>
+        <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+          <xsl:output encoding="UTF-8" method="xml"></xsl:output>
+
+          <xsl:template match="/">
+            <testsuite>
+              <xsl:attribute name="tests">
+                <xsl:value-of select="count(.//file)" />
+              </xsl:attribute>
+              <xsl:attribute name="failures">
+                <xsl:value-of select="count(.//error)" />
+              </xsl:attribute>
+              <xsl:for-each select="//checkstyle">
+                <xsl:apply-templates />
+              </xsl:for-each>
+            </testsuite>
+          </xsl:template>
+
+          <xsl:template match="file">
+            <testcase>
+              <xsl:attribute name="classname">
+                <xsl:value-of select="@name" />
+              </xsl:attribute>
+              <xsl:attribute name="name">
+                <xsl:value-of select="@name" />
+              </xsl:attribute>
+              <xsl:apply-templates select="node()" />
+            </testcase>
+          </xsl:template>
+
+          <xsl:template match="error">
+            <failure>
+              <xsl:attribute name="type">
+                <xsl:value-of select="@source" />
+              </xsl:attribute>
+              <xsl:text>Line </xsl:text>
+              <xsl:value-of select="@line" />
+              <xsl:text>: </xsl:text>
+              <xsl:value-of select="@message" />
+              <xsl:text> See https://www.shellcheck.net/wiki/</xsl:text>
+              <xsl:value-of select="substring(@source, '12')" />
+            </failure>
+          </xsl:template>
+        </xsl:stylesheet>
+      EOL
+  script:
+    - git ls-files --exclude='*.sh' --ignored -c -z |
+      xargs -t --no-run-if-empty -0 shellcheck --format=checkstyle |
+      xmlstarlet tr checkstyle2junit.xslt >
+      shellcheck.xml
+  artifacts:
+    when: always
+    reports:
+      junit: shellcheck.xml
+  variables:
+    SHELLCHECK_VER: v0.9.0
+  needs: []
+  rules:
+    - !reference [.default_rules, merge_and_push]

.gitlab/sync-github.yml

@@ -0,0 +1,21 @@
+sync-github:
+  stage: sync
+  image:
+    name: alpine:3.19.1
+  before_script:
+    - apk add git
+    - git config --global http.sslVerify false
+  script:
+    - mkdir $GITHUB_REPO && cd $GITHUB_REPO
+    - git clone --branch $GITHUB_BRANCH https://github.com/$GITHUB_PROJECT/$GITHUB_REPO .
+    - git remote rename origin old-origin
+    - git remote add origin https://$CI_USERNAME:$CI_TOKEN@$CI_SERVER_HOST/$CI_PROJECT_PATH.git 
+    - git push origin $GITHUB_BRANCH:$GITLAB_BRANCH
+    - git push -u origin --tags
+  variables:
+    GIT_STRATEGY: none
+    GITHUB_PROJECT: OpenMPDK
+    GITHUB_BRANCH: master
+    GITLAB_BRANCH: master
+  rules:
+    - !reference [.default_rules, scheduled_sync]