Script to delete MSR4 project and the repos they contain.

delete_msr4_projects_and_repos.sh

#!/bin/bash
set -euo pipefail

PAGE_SIZE=100

# Default values from environment, can be overridden via CLI
HARBOR_URL="${HARBOR_URL:-}"
HARBOR_USER="${HARBOR_USER:-}"
HARBOR_PWD="${HARBOR_PWD:-}"
DRY_RUN=false
ONLY_PROJECTS=""
SHOW_HELP=false

print_help() {
  cat <<EOF
Usage: $0 --url HARBOR_URL --user USERNAME --password PASSWORD [OPTIONS]

Options:
  --url URL               Harbor base URL (e.g., https://harbor.example.com)
  --user USERNAME         Harbor username
  --password PASSWORD     Harbor password
  --dry-run               Show what would be deleted without performing deletions
  --only PROJECTS         Comma-separated list of project names or prefixes to include
  --help                  Show this help message and exit

You can also set environment variables instead of providing --url, --user, --password.
EOF
}

# --- CLI Argument Parsing ---
while [[ $# -gt 0 ]]; do
  case "$1" in
    --url) HARBOR_URL="$2"; shift 2 ;;
    --user) HARBOR_USER="$2"; shift 2 ;;
    --password) HARBOR_PWD="$2"; shift 2 ;;
    --dry-run) DRY_RUN=true; shift ;;
    --only) ONLY_PROJECTS="$2"; shift 2 ;;
    --help) SHOW_HELP=true; shift ;;
    *)
      echo "Unknown option: $1"
      print_help
      exit 1
      ;;
  esac
done

if [[ "$SHOW_HELP" == true ]]; then
  print_help
  exit 0
fi

# --- Validate required input ---
if [[ -z "$HARBOR_URL" || -z "$HARBOR_USER" || -z "$HARBOR_PWD" ]]; then
  echo "Error: --url, --user, and --password are required."
  print_help
  exit 1
fi

# Convert comma-separated --only input into array
IFS=',' read -ra ONLY_FILTER <<< "$ONLY_PROJECTS"

# --- Get all project names ---
projects=$(curl -s -u "$HARBOR_USER:$HARBOR_PWD" \
  "$HARBOR_URL/api/v2.0/projects?page_size=$PAGE_SIZE" | jq -r '.[].name')

for project in $projects; do
  if [[ "$project" == "library" ]]; then
    echo "Skipping default project: $project"
    continue
  fi

  # If --only is set, skip non-matching projects
  if [[ -n "$ONLY_PROJECTS" ]]; then
    match=false
    for prefix in "${ONLY_FILTER[@]}"; do
      if [[ "$project" == "$prefix"* ]]; then
        match=true
        break
      fi
    done
    [[ "$match" == false ]] && continue
  fi

  echo "Processing project: $project"

  # Get all repositories in the project
  repos=$(curl -s -u "$HARBOR_USER:$HARBOR_PWD" \
    "$HARBOR_URL/api/v2.0/projects/$project/repositories?page_size=$PAGE_SIZE" \
    | jq -r '.[].name')

  for repo in $repos; do
    echo "  Repository found: $repo"

    repo_path="${repo#"$project/"}"
    encoded_once=$(echo -n "$repo_path" | jq -sRr @uri)
    encoded_twice=$(echo -n "$encoded_once" | jq -sRr @uri)

    if [[ "$DRY_RUN" == true ]]; then
      echo "  [Dry Run] Would delete repository: $repo"
    else
      response=$(curl -s -o /dev/null -w "%{http_code}" \
        -u "$HARBOR_USER:$HARBOR_PWD" -X DELETE \
        "$HARBOR_URL/api/v2.0/projects/$project/repositories/$encoded_twice")
      if [[ "$response" == "200" ]]; then
        echo "    Repository deleted successfully."
      else
        echo "    Failed to delete repository. HTTP status: $response"
      fi
    fi
  done

  if [[ "$DRY_RUN" == true ]]; then
    echo "[Dry Run] Would delete project: $project"
  else
    echo "  Attempting to delete project: $project"
    project_delete_status=$(curl -s -o /dev/null -w "%{http_code}" \
      -u "$HARBOR_USER:$HARBOR_PWD" -X DELETE \
      "$HARBOR_URL/api/v2.0/projects/$project")

    if [[ "$project_delete_status" == "200" ]]; then
      echo "  Project deleted successfully."
    else
      echo "  Failed to delete project. HTTP status: $project_delete_status"
    fi
  fi

  echo
done