gc-policy: prune containers

Pruning dev streams after 2 weeks and stable streams after 2 months as
decided in
coreos/fedora-coreos-tracker#1367 (comment)

gc-policy.yaml

@@ -1,6 +1,18 @@
 branched:
+    containers: 2w
     cloud-uploads: 1y
 rawhide:
+    containers: 2w
     cloud-uploads: 1y
 bodhi-updates:
     cloud-uploads: 1y
+testing-devel:
+   containers: 2w
+next-devel:
+   containers: 2w
+next:
+   containers: 2m
+testing:
+   containers: 2m
+stable:
+   containers: 2m

jobs/garbage-collection.Jenkinsfile

@@ -56,7 +56,7 @@ lock(resource: "gc-${params.STREAM}") {
 
             // containers tags and cloud artifacts can be GCed in parallel
             def parallelruns = [:]
-            parallelruns['Cloud artifacts'] {
+            parallelruns['Cloud artifacts'] = {
                 withCredentials([file(variable: 'GCP_KOLA_TESTS_CONFIG', credentialsId: 'gcp-image-upload-config')]) {
                     stage('Cloud artifacts GC') {
                         pipeutils.shwrapWithAWSBuildUploadCredentials("""
@@ -90,14 +90,13 @@ lock(resource: "gc-${params.STREAM}") {
                     }
                 }
             }
-            parallelruns['Container tags'] {
+            parallelruns['Container tags'] = {
                 // get repo url from pipecfg
                 def registry = pipecfg.registry_repos.oscontainer.repo
-                pipecfg, params.STREAM, params.VERSION)
                 withCredentials([file(variable: 'REGISTRY_SECRET', 
                                             credentialsId: 'oscontainer-push-registry-secret')]) {
                     pipeutils.shwrap("""
-                        cosa container-prune --policy ${new_gc_policy_path} \ 
+                        cosa container-prune --policy ${new_gc_policy_path} \
                             --registry-auth-file=\${REGISTRY_SECRET} \
                             --stream ${params.STREAM} ${dry_run} \
                             ${registry}