780 lines
18 KiB
Bash
Executable File
780 lines
18 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -uo pipefail
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shopt -s nullglob
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SCRIPT_DIR="$(dirname -- "$(readlink -f -- "${BASH_SOURCE[0]}")")"
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STACKS_DIR="${STACKS_DIR:-$SCRIPT_DIR}"
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CONFIG_FILE="${STACKS_CONFIG:-$STACKS_DIR/manage.conf}"
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LOCK_FILE="${STACKS_LOCK_FILE:-/run/lock/stacks-manage.lock}"
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DEFAULT_MAX_PARALLEL=2
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WAIT_TIMEOUT=120
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BEFORE_STAGES=()
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BEFORE_LIMITS=()
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AFTER_STAGES=()
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AFTER_LIMITS=()
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CONFIGURED_STACKS=()
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EXCLUDED_STACKS=()
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DISCOVERED_STACKS=()
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MANAGED_STACKS=()
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STAGE_NAMES=()
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STAGE_LIMITS=()
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STAGE_STACKS=()
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RUN_SUCCESS=0
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RUN_FAILED=0
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RUN_FAILED_STACKS=()
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RUN_SKIPPED_STAGES=()
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die() {
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echo "ERROR: $*" >&2
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exit 1
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}
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if ((BASH_VERSINFO[0] < 5 || (\
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BASH_VERSINFO[0] == 5 && BASH_VERSINFO[1] < 1))); then
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die "Bash 5.1 or newer is required"
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fi
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handle_signal() {
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local status="$1"
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local pid attempt alive
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local -a pids=()
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trap '' INT TERM
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mapfile -t pids < <(jobs -p)
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for pid in "${pids[@]}"; do
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kill -TERM -- "-$pid" 2>/dev/null || :
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done
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# Allow five seconds for cleanup, then stop every remaining descendant.
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for ((attempt = 0; attempt < 50; attempt++)); do
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alive=0
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for pid in "${pids[@]}"; do
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kill -0 -- "-$pid" 2>/dev/null && alive=1
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done
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((alive)) || break
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sleep 0.1
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done
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for pid in "${pids[@]}"; do
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kill -KILL -- "-$pid" 2>/dev/null || :
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done
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((${#pids[@]} == 0)) || wait "${pids[@]}" 2>/dev/null
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printf '\n'
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exit "$status"
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}
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usage() {
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cat <<EOF
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Usage: $(basename "$0") COMMAND [STACK]
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Lifecycle:
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up [STACK] Create and start containers
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start [STACK] Start existing containers
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stop [STACK] Stop containers
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restart [STACK] Restart containers
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down [STACK] Stop and remove containers and networks
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pull [STACK] Pull images
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update [STACK] Pull images and apply Compose changes
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Inspect:
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ps [STACK] Show container status
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logs STACK Follow logs
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config STACK Render Compose configuration
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images [STACK] Show services, configured images, and versions
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list List stacks, stages, and management status
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help, -h, --help Show this help
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Stage configuration:
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max_parallel N Set concurrency, 0-65535 (0 = unlimited)
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wait_timeout N Wait 0-86400 seconds for startup (default 120;
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0 disables waiting)
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before [--parallel N] STACK... Add an early stage
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after [--parallel N] STACK... Add a late stage
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exclude STACK... Exclude stacks from bulk operations
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Bulk execution (without STACK):
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Each before/after declaration creates a stage, in declaration order.
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Unlisted stacks form the default stage; excluded stacks are skipped.
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up/start/restart/pull/update run before -> default -> after.
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stop/down reverse the full stage order.
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Stages run one at a time. Stacks within a stage run in parallel, limited
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by max_parallel or that stage's --parallel setting.
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A stage finishes all its stacks; any failure skips the remaining stages.
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Startup checks:
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up/update validate all selected Compose configurations before making changes.
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up/start/update wait up to wait_timeout seconds for each stack to be ready.
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Services with healthchecks must be healthy; other services must be running.
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Set wait_timeout to 0 to disable waiting.
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Config: $CONFIG_FILE
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EOF
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}
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contains() {
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local target="$1"
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shift
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local item
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for item in "$@"; do
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[[ "$item" == "$target" ]] && return 0
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done
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return 1
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}
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validate_integer_range() {
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local kind="$1"
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local value="$2"
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local maximum="$3"
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[[ "$value" =~ ^(0|[1-9][0-9]*)$ ]] &&
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((${#value} <= ${#maximum})) && ((value <= maximum)) ||
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die "$kind must be an integer between 0 and $maximum without leading zeros: $value"
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}
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validate_parallel_limit() {
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validate_integer_range "parallel limit" "$1" 65535
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}
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wait_timeout() {
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[[ $# -eq 1 ]] || die "wait_timeout expects exactly one value"
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validate_integer_range "wait timeout" "$1" 86400
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WAIT_TIMEOUT="$1"
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}
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validate_name() {
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local kind="$1"
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local value="$2"
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[[ "$value" =~ ^[A-Za-z0-9][A-Za-z0-9_.-]*$ ]] ||
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die "invalid $kind name: $value"
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}
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# Set the maximum concurrency within each stage.
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max_parallel() {
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[[ $# -eq 1 ]] || die "max_parallel expects exactly one value"
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validate_parallel_limit "$1"
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DEFAULT_MAX_PARALLEL="$1"
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}
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add_stage() {
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local stages_name="$1"
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local limits_name="$2"
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local stage="$3"
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local limit=""
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local stack
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local -n stages="$stages_name"
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local -n limits="$limits_name"
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shift 3
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if [[ "${1:-}" == "--parallel" ]]; then
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[[ $# -ge 3 ]] || die "$stage --parallel expects a value and at least one stack"
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limit="$2"
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validate_parallel_limit "$limit"
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shift 2
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fi
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[[ $# -ge 1 ]] || die "$stage expects at least one stack"
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for stack in "$@"; do
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validate_name "stack" "$stack"
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contains "$stack" "${CONFIGURED_STACKS[@]}" &&
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die "stack is assigned more than once: $stack"
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contains "$stack" "${EXCLUDED_STACKS[@]}" &&
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die "stack is both assigned and excluded: $stack"
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CONFIGURED_STACKS+=("$stack")
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done
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stages+=("$*")
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limits+=("$limit")
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}
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before() { add_stage BEFORE_STAGES BEFORE_LIMITS before "$@"; }
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after() { add_stage AFTER_STAGES AFTER_LIMITS after "$@"; }
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# Exclude stacks from all bulk operations.
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exclude() {
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[[ $# -ge 1 ]] || die "exclude expects at least one stack"
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local stack
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for stack in "$@"; do
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validate_name "stack" "$stack"
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contains "$stack" "${EXCLUDED_STACKS[@]}" &&
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die "stack is excluded more than once: $stack"
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contains "$stack" "${CONFIGURED_STACKS[@]}" &&
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die "stack is both assigned and excluded: $stack"
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EXCLUDED_STACKS+=("$stack")
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done
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}
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load_config() {
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[[ -f "$CONFIG_FILE" ]] || return 0
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# The trusted config calls the configuration functions above.
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source "$CONFIG_FILE" || die "cannot load config file: $CONFIG_FILE"
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}
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discover_stacks() {
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local compose_file stack
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DISCOVERED_STACKS=()
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for compose_file in "$STACKS_DIR"/*/compose.yaml; do
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stack="${compose_file%/compose.yaml}"
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stack="${stack##*/}"
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validate_name "stack directory" "$stack"
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DISCOVERED_STACKS+=("$stack")
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done
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}
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is_discovered() {
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contains "$1" "${DISCOVERED_STACKS[@]}"
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}
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is_managed() {
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is_discovered "$1" && ! contains "$1" "${EXCLUDED_STACKS[@]}"
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}
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validate_config_stacks() {
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local stack
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for stack in "${CONFIGURED_STACKS[@]}"; do
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is_discovered "$stack" || die "configured stack not found: $stack"
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done
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for stack in "${EXCLUDED_STACKS[@]}"; do
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is_discovered "$stack" || die "excluded stack not found: $stack"
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done
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}
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append_stages() {
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local stage="$1"
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local stages_name="$2"
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local limits_name="$3"
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local i name
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local -a stacks=()
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local -n stages="$stages_name"
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local -n limits="$limits_name"
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for ((i = 0; i < ${#stages[@]}; i++)); do
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name="$stage"
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((${#stages[@]} > 1)) && name+="-$((i + 1))"
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STAGE_NAMES+=("$name")
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STAGE_LIMITS+=("${limits[i]:-$DEFAULT_MAX_PARALLEL}")
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STAGE_STACKS+=("${stages[i]}")
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read -r -a stacks <<<"${stages[i]}"
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MANAGED_STACKS+=("${stacks[@]}")
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done
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}
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build_execution_stages() {
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local stack
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local -a default_stacks=()
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STAGE_NAMES=()
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STAGE_LIMITS=()
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STAGE_STACKS=()
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MANAGED_STACKS=()
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append_stages before BEFORE_STAGES BEFORE_LIMITS
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for stack in "${DISCOVERED_STACKS[@]}"; do
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if ! contains "$stack" "${CONFIGURED_STACKS[@]}" &&
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! contains "$stack" "${EXCLUDED_STACKS[@]}"; then
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default_stacks+=("$stack")
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fi
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done
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if ((${#default_stacks[@]} > 0)); then
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STAGE_NAMES+=("default")
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STAGE_LIMITS+=("$DEFAULT_MAX_PARALLEL")
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STAGE_STACKS+=("${default_stacks[*]}")
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MANAGED_STACKS+=("${default_stacks[@]}")
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fi
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append_stages after AFTER_STAGES AFTER_LIMITS
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}
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stack_stage() {
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local target="$1"
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local i
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local -a stacks=()
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for ((i = 0; i < ${#STAGE_NAMES[@]}; i++)); do
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read -r -a stacks <<<"${STAGE_STACKS[i]}"
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if contains "$target" "${stacks[@]}"; then
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echo "${STAGE_NAMES[i]}"
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return 0
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fi
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done
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return 1
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}
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compose() {
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local stack="$1"
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shift
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local -a docker_args=(compose)
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if [[ "${STACKS_QUIET_PROGRESS:-0}" == "1" ]]; then
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docker_args+=(--progress quiet)
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fi
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(
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cd -- "$STACKS_DIR/$stack" || exit 1
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docker "${docker_args[@]}" "$@"
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)
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}
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run_stack() {
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local stack="$1"
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local action="$2"
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local show_heading="${3:-1}"
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local -a wait_args=()
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if ((WAIT_TIMEOUT > 0)); then
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wait_args=(--wait --wait-timeout "$WAIT_TIMEOUT")
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fi
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if [[ "$show_heading" == "1" ]]; then
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echo
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echo "==> $stack: $action"
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fi
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case "$action" in
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up)
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compose "$stack" up -d "${wait_args[@]}"
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;;
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start)
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compose "$stack" start "${wait_args[@]}"
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;;
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update)
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compose "$stack" pull &&
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compose "$stack" up -d "${wait_args[@]}"
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;;
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*)
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compose "$stack" "$action"
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;;
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esac
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}
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preflight_configs() {
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local stack
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local -a failed_stacks=()
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(($# > 0)) || return 0
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printf '\n==> Checking Compose configurations\n'
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for stack in "$@"; do
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compose "$stack" config -q || failed_stacks+=("$stack")
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done
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if ((${#failed_stacks[@]} > 0)); then
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printf 'ERROR: invalid Compose configuration: %s\n' "${failed_stacks[*]}" >&2
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return 1
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fi
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}
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run_stage() {
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local stage_index="$1"
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local action="$2"
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local stage_name="${STAGE_NAMES[stage_index]}"
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local limit="${STAGE_LIMITS[stage_index]}"
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local stack pid finished_pid status success_result working_result details
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local index finished_index total
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local next=0 running=0 completed=0 failed=0 stack_width=0 interactive=0 rendered=0
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local success_color="" failure_color="" color_reset=""
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local -a stacks=() states=() markers=() state_colors=()
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local -A pid_indexes=()
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if [[ -t 1 ]]; then
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interactive=1
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if [[ -z "${NO_COLOR:-}" ]]; then
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success_color=$'\033[32m'
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failure_color=$'\033[31m'
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color_reset=$'\033[0m'
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fi
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fi
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read -r -a stacks <<<"${STAGE_STACKS[stage_index]}"
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total="${#stacks[@]}"
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((total > 0)) || return 0
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for ((index = 0; index < total; index++)); do
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stack="${stacks[index]}"
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((${#stack} > stack_width)) && stack_width="${#stack}"
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states+=("Waiting")
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markers+=(" ")
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state_colors+=("")
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done
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if ((limit == 0 || limit > total)); then
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limit="$total"
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fi
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if ((total == 1)); then
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details="1 stack"
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elif ((limit == total)); then
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details="$total stacks in parallel"
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else
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details="$total stacks, max $limit in parallel"
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fi
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echo
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if ((!interactive)); then
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echo "==> Stage $stage_name: $action ($details)"
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fi
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case "$action" in
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up | start)
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working_result="Starting"
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success_result="Started"
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;;
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restart)
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working_result="Restarting"
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success_result="Restarted"
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;;
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stop)
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working_result="Stopping"
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success_result="Stopped"
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;;
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down)
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working_result="Removing"
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success_result="Removed"
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;;
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pull)
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working_result="Pulling"
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success_result="Pulled"
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;;
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update)
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working_result="Updating"
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success_result="Updated"
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;;
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esac
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while :; do
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while ((next < total && running < limit)); do
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stack="${stacks[next]}"
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states[next]="$working_result"
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STACKS_QUIET_PROGRESS=1 run_stack "$stack" "$action" 0 &
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pid="$!"
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pid_indexes["$pid"]="$next"
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((next += 1, running += 1))
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done
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if ((interactive)); then
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((rendered)) && printf '\033[%dA' "$((total + 1))"
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printf '\r\033[2K[+] %s: %s %d/%d\n' \
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"$stage_name" "$action" "$completed" "$total"
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for ((index = 0; index < total; index++)); do
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printf '\r\033[2K %s%s%s Stack %-*s %s%s%s\n' \
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"${state_colors[index]}" "${markers[index]}" "$color_reset" \
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"$stack_width" "${stacks[index]}" \
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"${state_colors[index]}" "${states[index]}" "$color_reset"
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done
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rendered=1
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fi
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((running > 0)) || break
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finished_pid=""
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status=0
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wait -n -p finished_pid || status=$?
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[[ -n "$finished_pid" ]] || die "cannot identify completed stack"
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finished_index="${pid_indexes[$finished_pid]}"
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unset 'pid_indexes[$finished_pid]'
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stack="${stacks[finished_index]}"
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((running -= 1))
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if ((status == 0)); then
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markers[finished_index]="✔"
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states[finished_index]="$success_result"
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state_colors[finished_index]="$success_color"
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((RUN_SUCCESS += 1))
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else
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markers[finished_index]="✘"
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states[finished_index]="Failed"
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state_colors[finished_index]="$failure_color"
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((RUN_FAILED += 1))
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RUN_FAILED_STACKS+=("$stack")
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((failed += 1))
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fi
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((completed += 1))
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if ((!interactive)); then
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printf ' %s%s%s Stack %-*s %s%s%s\n' \
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"${state_colors[finished_index]}" "${markers[finished_index]}" "$color_reset" \
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"$stack_width" "$stack" \
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"${state_colors[finished_index]}" "${states[finished_index]}" "$color_reset"
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fi
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done
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((failed == 0))
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}
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print_run_summary() {
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echo
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echo "Result: $RUN_SUCCESS succeeded, $RUN_FAILED failed"
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if ((${#RUN_FAILED_STACKS[@]} > 0)); then
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echo "Failed stacks: ${RUN_FAILED_STACKS[*]}"
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fi
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if ((${#RUN_SKIPPED_STAGES[@]} > 0)); then
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echo "Skipped stages: ${RUN_SKIPPED_STAGES[*]}"
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fi
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}
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collect_skipped_stages() {
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local failed_index="$1"
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local direction="$2"
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local i
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RUN_SKIPPED_STAGES=()
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if [[ "$direction" == "reverse" ]]; then
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for ((i = failed_index - 1; i >= 0; i--)); do
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RUN_SKIPPED_STAGES+=("${STAGE_NAMES[i]}")
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done
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else
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for ((i = failed_index + 1; i < ${#STAGE_NAMES[@]}; i++)); do
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RUN_SKIPPED_STAGES+=("${STAGE_NAMES[i]}")
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done
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fi
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}
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|
run_all_staged() {
|
|
local action="$1"
|
|
local direction="forward"
|
|
local start=0 end="${#STAGE_NAMES[@]}" step=1
|
|
local i
|
|
|
|
RUN_SUCCESS=0
|
|
RUN_FAILED=0
|
|
RUN_FAILED_STACKS=()
|
|
RUN_SKIPPED_STAGES=()
|
|
if [[ "$action" == "stop" || "$action" == "down" ]]; then
|
|
direction="reverse"
|
|
start=$((end - 1))
|
|
end=-1
|
|
step=-1
|
|
fi
|
|
|
|
for ((i = start; i != end; i += step)); do
|
|
if ! run_stage "$i" "$action"; then
|
|
collect_skipped_stages "$i" "$direction"
|
|
print_run_summary
|
|
return 1
|
|
fi
|
|
done
|
|
|
|
print_run_summary
|
|
}
|
|
|
|
run_all_sequential() {
|
|
local action="$1"
|
|
local stack
|
|
local -a failed_stacks=()
|
|
for stack in "${MANAGED_STACKS[@]}"; do
|
|
run_stack "$stack" "$action" || failed_stacks+=("$stack")
|
|
done
|
|
|
|
if ((${#failed_stacks[@]} > 0)); then
|
|
echo
|
|
echo "Failed stacks: ${failed_stacks[*]}" >&2
|
|
return 1
|
|
fi
|
|
}
|
|
|
|
print_table() {
|
|
local columns="$1"
|
|
shift
|
|
local -a cells=("$@") widths=()
|
|
local index column row
|
|
|
|
for ((index = 0; index < ${#cells[@]}; index++)); do
|
|
column=$((index % columns))
|
|
if ((${#cells[index]} > ${widths[column]:-0})); then
|
|
widths[column]="${#cells[index]}"
|
|
fi
|
|
done
|
|
|
|
for ((row = 0; row < ${#cells[@]}; row += columns)); do
|
|
for ((column = 0; column < columns; column++)); do
|
|
((column > 0)) && printf ' '
|
|
if ((column == columns - 1)); then
|
|
printf '%s\n' "${cells[row + column]}"
|
|
else
|
|
printf '%-*s' "${widths[column]}" "${cells[row + column]}"
|
|
fi
|
|
done
|
|
done
|
|
}
|
|
|
|
list_stacks() {
|
|
local stack stage_name status
|
|
local -a cells=(STACK STAGE STATUS)
|
|
|
|
for stack in "${DISCOVERED_STACKS[@]}"; do
|
|
if contains "$stack" "${EXCLUDED_STACKS[@]}"; then
|
|
stage_name="-"
|
|
status="excluded"
|
|
else
|
|
stage_name="$(stack_stage "$stack")"
|
|
status="managed"
|
|
fi
|
|
|
|
cells+=("$stack" "$stage_name" "$status")
|
|
done
|
|
|
|
print_table 3 "${cells[@]}"
|
|
}
|
|
|
|
list_images() {
|
|
local target="${1:-}"
|
|
local stack output service image
|
|
local failed=0
|
|
local -a stacks=("${MANAGED_STACKS[@]}") cells=(STACK SERVICE IMAGE)
|
|
|
|
if [[ -n "$target" ]]; then
|
|
require_target "images" "$target"
|
|
stacks=("$target")
|
|
fi
|
|
|
|
for stack in "${stacks[@]}"; do
|
|
# Read service/image pairs from Compose's canonical YAML (two-space indent).
|
|
if ! output="$(compose "$stack" config --format yaml | awk -v project="$stack" '
|
|
{ gsub(/["\047]/, "") }
|
|
/^name: / { project = $2 }
|
|
/^[^ ]/ { in_services = ($0 == "services:") }
|
|
in_services && /^ [^ ]/ {
|
|
service = $1
|
|
sub(/:$/, "", service)
|
|
services[++count] = service
|
|
images[service] = project "-" service
|
|
}
|
|
in_services && /^ image: / { images[service] = $2 }
|
|
END {
|
|
for (i = 1; i <= count; i++)
|
|
print services[i] "\t" images[services[i]]
|
|
}
|
|
')"; then
|
|
((failed += 1))
|
|
continue
|
|
fi
|
|
while IFS=$'\t' read -r service image; do
|
|
[[ -n "$service" ]] || continue
|
|
cells+=("$stack" "$service" "$image")
|
|
done <<<"$output"
|
|
done
|
|
|
|
print_table 3 "${cells[@]}"
|
|
((failed == 0))
|
|
}
|
|
|
|
require_target() {
|
|
local command="$1"
|
|
local target="$2"
|
|
|
|
[[ -n "$target" ]] || die "$command requires a stack name"
|
|
is_discovered "$target" || die "stack not found: $target"
|
|
is_managed "$target" || die "stack is excluded: $target"
|
|
}
|
|
|
|
acquire_lock() {
|
|
mkdir -p "$(dirname "$LOCK_FILE")" ||
|
|
die "cannot create lock directory"
|
|
exec {LOCK_FD}>"$LOCK_FILE" ||
|
|
die "cannot open lock file: $LOCK_FILE"
|
|
flock -n "$LOCK_FD" ||
|
|
die "another manage.sh operation is already running"
|
|
}
|
|
|
|
main() {
|
|
local ACTION="${1:-}"
|
|
local TARGET="${2:-}"
|
|
local -a targets=()
|
|
|
|
[[ $# -le 2 ]] || die "too many arguments"
|
|
|
|
case "$ACTION" in
|
|
help | -h | --help)
|
|
usage
|
|
exit 0
|
|
;;
|
|
esac
|
|
|
|
load_config
|
|
discover_stacks
|
|
validate_config_stacks
|
|
build_execution_stages
|
|
|
|
case "$ACTION" in
|
|
up | start | stop | restart | down | pull | update)
|
|
acquire_lock
|
|
|
|
if [[ -n "$TARGET" ]]; then
|
|
require_target "$ACTION" "$TARGET"
|
|
targets=("$TARGET")
|
|
else
|
|
targets=("${MANAGED_STACKS[@]}")
|
|
fi
|
|
if [[ "$ACTION" == "up" || "$ACTION" == "update" ]]; then
|
|
preflight_configs "${targets[@]}" || return 1
|
|
fi
|
|
|
|
if [[ -n "$TARGET" ]]; then
|
|
run_stack "$TARGET" "$ACTION"
|
|
else
|
|
run_all_staged "$ACTION"
|
|
fi
|
|
;;
|
|
ps)
|
|
if [[ -n "$TARGET" ]]; then
|
|
require_target "$ACTION" "$TARGET"
|
|
run_stack "$TARGET" "$ACTION"
|
|
else
|
|
run_all_sequential "$ACTION"
|
|
fi
|
|
;;
|
|
logs)
|
|
require_target "$ACTION" "$TARGET"
|
|
compose "$TARGET" logs -f --tail=100
|
|
;;
|
|
config)
|
|
require_target "$ACTION" "$TARGET"
|
|
compose "$TARGET" config
|
|
;;
|
|
images)
|
|
list_images "$TARGET"
|
|
;;
|
|
list)
|
|
[[ -z "$TARGET" ]] || die "list does not accept a stack name"
|
|
list_stacks
|
|
;;
|
|
*)
|
|
usage
|
|
exit 1
|
|
;;
|
|
esac
|
|
}
|
|
|
|
if [[ "${BASH_SOURCE[0]}" == "$0" ]]; then
|
|
trap 'handle_signal 130' INT
|
|
trap 'handle_signal 143' TERM
|
|
# One isolated process group covers the scheduler and all Docker descendants.
|
|
# Disable job control inside it so parallel workers stay in the same group.
|
|
set -m
|
|
(
|
|
set +m
|
|
trap - INT TERM
|
|
main "$@"
|
|
) <&0 &
|
|
main_pid=$!
|
|
set +m
|
|
wait "$main_pid"
|
|
fi
|