Use jq to create a json file with the deleted containers info

Author: ChristianRimondi

source.yml

@@ -86,6 +86,9 @@ jobs:
     steps:
       - checkout
       - add_ssh_keys
+      - run:
+          name: Install jq package
+          command: sudo apt-get install jq
       - run:
           name: Add Docker Server To Known SSH Hosts
           command: ssh-keyscan -H << parameters.server >> >> ~/.ssh/known_hosts
@@ -145,11 +148,11 @@ jobs:
             set +e
             ssh << parameters.user >>@<< parameters.server >> "docker ps | grep $CIRCLE_PROJECT_REPONAME | head -n << parameters.fresh_containers_count >>" | awk '{ print $1 }' | tr '\n' '|' | sed 's/|$/\n/' > grep_regex
             ssh << parameters.user >>@<< parameters.server >> "docker ps | grep $CIRCLE_PROJECT_REPONAME | grep -vE '`cat grep_regex`'" | awk '{print $2}' > old_containers
-            ssh << parameters.user >>@<< parameters.server >> "docker inspect --format '{{ index .Config.Labels \"subdomain\" }}' "`cat old_containers`"" | sed -r "s/(.*)/https:\/\/\1\.<< parameters.domain >>/g" > workspace/old-preview-urls
+            ssh << parameters.user >>@<< parameters.server >> "docker inspect "`cat old_containers`"" | jq 'map(select(.Config.Labels["pull-request"])) | map({key: .Config.Labels["pull-request"], value: {branch: .Config.Labels["branch"], subdomain: "https://\(.Config.Labels["subdomain"]).<< parameters.domain >>"}}) | from_entries' > workspace/deleted-previews.json
             ssh << parameters.user >>@<< parameters.server >> "docker rm -f "`cat old_containers`""
             ssh << parameters.user >>@<< parameters.server >> "rm -fr "`cat old_containers | sed "s/$CIRCLE_PROJECT_REPONAME-/$CIRCLE_PROJECT_REPONAME\//g"`""
       - persist_to_workspace:
           root: workspace
           paths:
             - preview-url
-            - old-preview-urls
+            - deleted-previews.json