Initial project setup with basic plugin structure
- Created plugin.toml with metadata - Added main command script - Implemented core functions - Added basic tests - Created README.md - Set up project structure
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207
functions/core
Executable file
207
functions/core
Executable file
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#!/usr/bin/env bash
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# Core functions for the docker-compose plugin
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# Set strict mode
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set -eo pipefail
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[[ $DOKKU_TRACE ]] && set -x
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# Import dokku functions
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if [[ -f "/var/lib/dokku/core-plugins/available/common/functions" ]]; then
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source /var/lib/dokku/core-plugins/available/common/functions
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fi
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# Logging functions
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log() {
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echo "$@" >&2
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}
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error() {
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log " ! $*" >&2
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exit 1
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}
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warn() {
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log " ! WARNING: $*" >&2
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}
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info() {
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[[ $QUIET ]] || log "-----> $*"
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}
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# Version checking
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check_dokku_version() {
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local required_version="${1:-0.30.0}"
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local current_version
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current_version=$(dokku --version | head -n 1 | cut -d' ' -f3)
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if [[ "$(printf "%s\n%s" "$required_version" "$current_version" | sort -V | head -n1)" != "$required_version" ]]; then
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error "Dokku version $required_version or higher is required. Current version: $current_version"
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fi
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}
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# Argument parsing
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parse_args() {
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local args=("$@")
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local i=0
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while [[ $i -lt ${#args[@]} ]]; do
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case "${args[$i]}" in
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-f|--file)
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((i++))
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COMPOSE_FILE="${args[$i]}"
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;;
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-p|--project)
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((i++))
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PROJECT_NAME="${args[$i]}"
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;;
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--dry-run)
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DRY_RUN=true
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;;
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-v|--verbose)
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set -x
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;;
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-q|--quiet)
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QUIET=true
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;;
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*)
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# Handle non-flag arguments
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if [[ -z "$COMMAND" ]]; then
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COMMAND="${args[$i]}"
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else
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error "Unknown argument: ${args[$i]}"
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fi
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;;
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esac
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((i++))
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done
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}
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# Check if a command exists
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command_exists() {
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command -v "$1" >/dev/null 2>&1
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}
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# Check if a file exists and is readable
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file_exists() {
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[[ -r "$1" ]]
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}
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# Get the project directory
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get_project_dir() {
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echo "${DOKKU_DOCKER_COMPOSE_PROJECT_DIR:-$(pwd)}"
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}
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# Get the compose file path
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get_compose_file() {
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local project_dir="$(get_project_dir)"
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echo "${COMPOSE_FILE:-${project_dir}/docker-compose.yml}"
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}
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# Validate compose file
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validate_compose_file() {
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local compose_file="$(get_compose_file)"
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if ! file_exists "$compose_file"; then
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error "Compose file not found: $compose_file"
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fi
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# Check if docker-compose or docker compose is available
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if ! command_exists docker-compose && ! command_exists docker compose; then
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error "Neither 'docker-compose' nor 'docker compose' command found"
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fi
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# Validate compose file syntax
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if command_exists docker-compose; then
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docker-compose -f "$compose_file" config -q || error "Invalid compose file: $compose_file"
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else
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docker compose -f "$compose_file" config -q || error "Invalid compose file: $compose_file"
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fi
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}
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# Main entry point
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main() {
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# Ensure dokku is available
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if ! command_exists dokku; then
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error "Dokku is not installed or not in PATH"
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fi
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# Check dokku version
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check_dokku_version "0.30.0"
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# Parse arguments
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parse_args "$@"
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# Execute command
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case "$COMMAND" in
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help|--help|-h)
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show_help
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;;
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version|--version|-v)
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show_version
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;;
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import)
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validate_compose_file
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import_compose_file
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;;
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*)
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error "Unknown command: $COMMAND"
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;;
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esac
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}
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# Import compose file (stub for now)
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import_compose_file() {
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local compose_file="$(get_compose_file)"
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info "Importing compose file: $compose_file"
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if [[ -n "$DRY_RUN" ]]; then
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info "Dry run: Would import $compose_file"
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return 0
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fi
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# Actual import logic will be implemented here
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info "Import functionality coming soon!"
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}
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# Show help
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show_help() {
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cat <<EOF
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Usage: dokku docker-compose:COMMAND [options]
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Manage Docker Compose deployments in Dokku.
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Commands:
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import [path] Import a docker-compose.yml file
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help Show this help message
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version Show version information
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Options:
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-f, --file FILE Specify an alternate compose file (default: docker-compose.yml)
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-p, --project NAME Specify an alternate project name (default: directory name)
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--dry-run Show what would be created without making changes
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-v, --verbose Increase verbosity
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-q, --quiet Suppress output
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Examples:
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# Import default docker-compose.yml in current directory
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dokku docker-compose:import
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# Import specific compose file
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dokku docker-compose:import -f docker-compose.prod.yml
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# Dry run to see what would be created
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dokku docker-compose:import --dry-run
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EOF
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}
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# Show version
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show_version() {
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local version_file="$(dirname "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)")/VERSION"
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local version="$(cat "$version_file" 2>/dev/null || echo 'unknown')"
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echo "dokku-docker-compose $version"
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}
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# Run main function if this file is executed directly
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if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
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main "$@"
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fi
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