test: postsubmit - fix cloudbuild job filtering. Part of #4046 (#4122)

.cloudbuild.yaml

@@ -294,3 +294,5 @@ timeout: '3600s'
 options:
  diskSizeGb: 300
  machineType: 'N1_HIGHCPU_8'
+tags:
+- build-each-commit

.release.cloudbuild.yaml

@@ -649,3 +649,5 @@ images:
 - 'gcr.io/ml-pipeline/google/pipelines-test/deployer:$TAG_NAME'
 - 'gcr.io/ml-pipeline/google/pipelines-test:$TAG_NAME'
 timeout: '1200s'
+tags:
+- release-on-tag

test/postsubmit-tests-with-pipeline-deployment.sh

@@ -86,10 +86,11 @@ source "${DIR}/test-prep.sh"
 CLOUDBUILD_TIMEOUT_SECONDS=3600
 PULL_CLOUDBUILD_STATUS_MAX_ATTEMPT=$(expr ${CLOUDBUILD_TIMEOUT_SECONDS} / 20 )
 CLOUDBUILD_STARTED=TIMEOUT
+CLOUDBUILD_FILTER="substitutions.COMMIT_SHA:${PULL_BASE_SHA} AND tags:build-each-commit"
 
 for i in $(seq 1 ${PULL_CLOUDBUILD_STATUS_MAX_ATTEMPT})
 do
-  output=`gcloud builds list --project="$CLOUDBUILD_PROJECT" --filter="sourceProvenance.resolvedRepoSource.commitSha:${PULL_BASE_SHA}"`
+  output=`gcloud builds list --project="$CLOUDBUILD_PROJECT" --filter="$CLOUDBUILD_FILTER"`
   if [[ ${output} != "" ]]; then
     CLOUDBUILD_STARTED=True
     break
@@ -106,7 +107,7 @@ fi
 CLOUDBUILD_FINISHED=TIMEOUT
 for i in $(seq 1 ${PULL_CLOUDBUILD_STATUS_MAX_ATTEMPT})
 do
-  output=`gcloud builds list --project="$CLOUDBUILD_PROJECT" --filter="sourceProvenance.resolvedRepoSource.commitSha:${PULL_BASE_SHA}"`
+  output=`gcloud builds list --project="$CLOUDBUILD_PROJECT" --filter="$CLOUDBUILD_FILTER"`
   if [[ ${output} == *"SUCCESS"* ]]; then
     CLOUDBUILD_FINISHED=SUCCESS
     break