Provide an override on the go version for eks snaps

jobs/build-snaps.yaml

@@ -76,6 +76,12 @@
           default: ''
           description: |
             Snap base to use as an override while building snaps
+      - string:
+          name: eks_go_override
+          default: ''
+          description: |
+            Snap go version to use as an override while building snaps
+            Can be in format '1.22' or 'go/1.23/edge'
       - string:
           name: k8s_tag
           default: 'v{version}'

jobs/build-snaps/build-release-eks-snaps.groovy

@@ -12,8 +12,22 @@ def _find_eks_base(version, override){
     def f_version = Float.parseFloat(version.substring(1, version.lastIndexOf('.')))
     return f_version >= 1.99 ? "core22" : "core20";
 }
+def _build_go_version(override){
+    if (override.length() == 0) {
+      return override
+    }
+    else if ((m = override =~ /^(\d+).(\d+)$/)) {
+      return "go/${m[0][1]}.${m[0][2]}/stable"
+    }
+    else if ((m = override =~ /^go\/(\d+).(\d+)\/\S+$/)) {
+      return override
+    }
+    throw new IllegalArgumentException("Invalid Go snap version $override")
+}
 def eks_base_override = params.eks_base_override
+def eks_go_version = params.eks_go_override
 def EKS_BASE = _find_eks_base(kube_version, eks_base_override)
+def GO_VERSION = _build_go_version(eks_go_version)
 
 pipeline {
     agent {
@@ -43,6 +57,10 @@ pipeline {
             }
         }
         stage('Setup Source') {
+            //# update the go version if overriden
+            //if [ -n "${GO_VERSION}" ]; then
+            //    sed -i -e "s#go/.*#${GO_VERSION}#g" snapcraft.yaml
+            //fi
             steps {
                 sh """
                     CK_SNAP_BRANCH="${kube_version}"
@@ -67,7 +85,7 @@ pipeline {
                         sed -i -e "s/^name: \${snap}/name: \${EKS_SNAP}/" \
                                -e "s/^base: .*/base: ${EKS_BASE}/" \
                                -e "s/install-mode: .*/install-mode: disable/" snapcraft.yaml
-
+                        
                         # if we don't have any base defined at this point, add one
                         grep -q "^base: " snapcraft.yaml || echo "base: ${EKS_BASE}" >> snapcraft.yaml