Create container expiration policy for all gitlab repos in a group

gitlab_container_expiry.sh

#!/bin/bash

TOKEN=<your_gitlab_token>
GITLAB_URL=https://gitlab.com
GROUP_ID=<your_group_id>

SETTINGS=$(cat <<EOF
{
  "container_expiration_policy_attributes": {
    "cadence": "1d",
    "enabled": true,
    "keep_n": 5,
    "older_than": "14d",
    "name_regex": ".*",
    "name_regex_keep": "^(?:v.+|main|master|release|dev|stage|preprod|prod).*"
  }
}
EOF
)

for repo_id in $(curl -s --header "PRIVATE-TOKEN: $TOKEN" $GITLAB_URL/api/v4/groups/$GROUP_ID | jq -r ".projects[].id"); do
  echo "Setting container expiration policy for repo $repo_id."
  CURLOUT=$(curl -s --request PUT --header 'Content-Type: application/json;charset=UTF-8' --header "PRIVATE-TOKEN: $TOKEN" \
     --data-binary "$SETTINGS" \
     "$GITLAB_URL/api/v4/projects/$repo_id")
  if [ $? -ne "0" ] || [ "$(echo $CURLOUT | jq '.message')" != 'null' ]; then
    echo "Something went wrong while trying to put config to repo $repo_id" >&2
    echo "$CURLOUT" >&2
    exit 1
  fi
done