use sonar cli for analysis instead of gradle

.gitignore

@@ -43,6 +43,6 @@ testem.log
 .DS_Store
 Thumbs.db
 
-# sonar and gradle stuff
-build
-.gradle
+# code analysis
+.lcov_output
+.scannerwork

.gitlab-ci.yml

@@ -24,16 +24,15 @@ tslint:
 
 sonar:
   stage: codestyle
-  only:
-    - master
+  # only:
+  #   - master
   tags:
-    - gradle-node
+    - sonar-cli
   allow_failure: true
   dependencies: []
-  variables:
-    GIT_DEPTH: 0
   script:
-    - gradle sonarqube -Dsonar.host.url=https://scm.thm.de/sonar/
+    - npm i
+    - sonar-scanner -Dsonar.host.url=https://scm.thm.de/sonar/
 
 #unit_tests:
 #  stage: test

build.gradle

-/* This Gradle build script is currently only used for SonarQube Scanner */
-
-plugins {
-  id "org.sonarqube" version "2.5"
-}
-
-group = "de.thm.arsnova"
-
-sonarqube {
-  properties {
-
-    property "sonar.projectKey", "de.thm.arsnova:frag-jetzt-frontend"
-    property "sonar.projectName", "frag.jetzt Frontend"
-    property "sonar.projectVersion", "1.0"
-
-    property "sonar.language", "ts"
-    property "sonar.sourceEncoding", "UTF-8"
-
-    property "sonar.sources", "src"
-    property "sonar.exclusions", "**/node_modules/**, client/thirdParty/**"
-
-    property "sonar.tests", "src"
-    property "sonar.test.inclusions", "**/*.spec.ts"
-    /*    property "sonar.typescript.lcov.reportPaths", "coverage/lcov.info" */
-
-    property "sonar.host.url", "https://scm.thm.de/sonar/"
-  }
-}

gradle.properties

-org.gradle.jvmargs=-Xmx2048m

sonar-project.properties

+# Required metadata
+sonar.projectKey=de.thm.arsnova:frag-jetzt-frontend
+sonar.projectName=frag.jetzt Frontend
+sonar.projectVersion=1.0
+sonar.language=ts
+sonar.sources=./src
+sonar.exclusions=dist/**/*, node_modules/**/*, **/*.spec.ts
+sonar.sourceEncoding=UTF-8
+sonar.tests=./src
+sonar.test.inclusions=**/*.spec.ts
+sonar.host.url=http://sonarqube:9000
+# sonar.typescript.lcov.reportPaths=.lcov_output/lcov.info