fix: filter docker images with specified tag

.circleci/config.yml

@@ -107,9 +107,10 @@ jobs:
           BRANCH=$(git rev-parse --abbrev-ref HEAD | tr '/' '.')
           docker build -t quay.io/influxdb/fusion:$BRANCH -f docker/Dockerfile.perf .
           docker push quay.io/influxdb/fusion:$BRANCH
+          echo "export BRANCH=${BRANCH}" >> $BASH_ENV
       - run:
           name: Deploy tags
-          command: ./.circleci/get-deploy-tags.sh
+          command: ./.circleci/get-deploy-tags.sh "${BRANCH}"
 
   # Prepare the CI image used for other tasks.
   #

.circleci/get-deploy-tags.sh

@@ -1,10 +1,27 @@
 #!/usr/bin/env bash
+#
+# Produce a deploy JSON file for a docker image on the host.
+#
+# Usage:
+# ./get-deploy-tags DOCKER_TAG_NAME
+#
+# For example, if building a docker image with a tag set:
+# 	docker build -t infuxdata.io/iox:awesome
+# or manually tagged:
+# 	docker tag infuxdata.io/iox:build infuxdata.io/iox:awesome:awesome
+#
+# And the image is on the host, executing this script with:
+#	./get-deploy-tags "awesome"
+#
+# Will generate the deployment JSON file.
 
-# Accept the git commit SHA as the first arg, or try and parse it if not set.
+set -euo pipefail
+
+DOCKER_IMAGE_TAG=${1}
 DOCKER_IMAGE="quay.io/influxdb/fusion"
-APPKEY="iox"
+APP_NAME="iox"
 
-DOCKER_IMAGE_INFO="$(docker images "${DOCKER_IMAGE}" --format '{{.Tag}} {{.Digest}}')"
+DOCKER_IMAGE_INFO="$(docker images "${DOCKER_IMAGE}" --format '{{.Tag}} {{.Digest}}') | grep "${DOCKER_IMAGE_TAG}""
 
 # validate that only one image with same git sha as tag is present, if not,
 # write an error out and request developers to manually re-run the workflow
@@ -19,7 +36,7 @@ fi
 jq --null-input --sort-keys \
 	--arg tagDigest "${DOCKER_IMAGE_INFO}" \
 	--arg imgPrefix "${DOCKER_IMAGE}" \
-	--arg appKey "$APPKEY" \
+	--arg appKey "$APP_NAME" \
 	'$tagDigest | split(" ") as $td | {
 		($appKey): {
 		Tag: ($imgPrefix + ":" + $td[0]),