first commit

vars/bumpHelmChart.groovy

@@ -0,0 +1,26 @@
+/**
+ * Bumps the patch version in Chart.yaml, updates appVersion and values.yaml image tag.
+ * Must be called inside container('tools') block (needs sed + git).
+ *
+ * config keys:
+ *   imageTag   (required) - new image tag to write into values.yaml
+ *   chartFile  (optional) - path to Chart.yaml,   default: manifest/helm/Chart.yaml
+ *   valuesFile (optional) - path to values.yaml,  default: manifest/helm/values.yaml
+ */
+def call(Map config) {
+    def imageTag   = config.imageTag
+    if (!imageTag) error('bumpHelmChart: imageTag is required')
+
+    def chartFile  = config.chartFile  ?: 'manifest/helm/Chart.yaml'
+    def valuesFile = config.valuesFile ?: 'manifest/helm/values.yaml'
+
+    def content    = readFile(chartFile)
+    def matcher    = content =~ /version:\s+(\d+)\.(\d+)\.(\d+)/
+    if (!matcher) error("bumpHelmChart: could not parse version in ${chartFile}")
+
+    def newVersion = "${matcher[0][1]}.${matcher[0][2]}.${(matcher[0][3] as int) + 1}"
+
+    sh "sed -i 's/^version: .*/version: ${newVersion}/' ${chartFile}"
+    sh "sed -i 's/^appVersion: .*/appVersion: \"${imageTag}\"/' ${chartFile}"
+    sh "sed -i 's/^  tag: .*/  tag: ${imageTag}/' ${valuesFile}"
+}