Add -e, -c and ABRA_STACK_DIR options..
..and tidy up a little
This commit is contained in:
3wc
170
abra
170
abra
@ -1,22 +1,18 @@
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#!/bin/bash
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PROGRAM_NAME=$(basename "$0")
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ABRA_CONFIG=abra.yml
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if [ -z "$COMPOSE_FILE" ]; then
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COMPOSE_FILE="compose.yml"
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fi
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###### Utility functions
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yml_pattern_exists() {
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PATTERN=$1
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if ! type yq > /dev/null 2>&1; then
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echo "$(tput setaf 1)ERROR: yq program is not installed$(tput sgr0)"
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exit
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error "yq program is not installed"
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fi
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if [ -f $ABRA_CONFIG ]; then
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RESULT=$(yq read $ABRA_CONFIG "$PATTERN")
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if [ -f "$ABRA_CONFIG" ]; then
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RESULT=$(yq read "$ABRA_CONFIG" "$PATTERN")
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if [ "$RESULT" != 0 ]; then
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return 0
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@ -26,55 +22,124 @@ yml_pattern_exists() {
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return 1
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}
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parse_subcommand() {
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SUBCOMMAND="$1"
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PREFIX=$2
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if [ -n "$PREFIX" ]; then
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PPREFIX="_$2"
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SPREFIX="$2 "
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SSPREFIX=" $2"
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fi
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case $SUBCOMMAND in
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"" | "-h" | "--help")
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"sub${PPREFIX}_help"
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;;
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*)
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shift 2
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"sub${PPREFIX}_${SUBCOMMAND}" "$@"
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if [ $? = 127 ]; then
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echo "Error: '$SPREFIX$SUBCOMMAND' is not a known subcommand." >&2
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echo " Run '$PROGRAM_NAME$SSPREFIX --help' for a list of known subcommands." >&2
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exit 1
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fi
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;;
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esac
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}
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error() {
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echo "$(tput setaf 1)ERROR: $*$(tput sgr0)"
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exit
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}
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###### Top-level arguments
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ABRA_CONFIG=abra.yml
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if [ "$1" == "-c" ]; then
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ABRA_CONFIG=$2
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shift 2
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fi
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if [ "$1" == "-e" ]; then
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ABRA_ENV=$2
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shift 2
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fi
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if [ "$1" == "-a" ]; then
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STACK_NAME=$2
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shift 2
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fi
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if [ -f abra.yml ]; then
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###### Load config
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if [ -f "$ABRA_CONFIG" ]; then
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if yml_pattern_exists stack_name; then
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STACK_NAME=$(yq read abra.yml stack_name)
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STACK_NAME=$(yq read "$ABRA_CONFIG" stack_name)
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fi
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# FIXME load other variables somehow
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fi
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if [ -n "$ABRA_ENV" ]; then
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# shellcheck disable=SC1090
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source "$ABRA_ENV"
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fi
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###### Default settings
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if [ -z "$COMPOSE_FILE" ]; then
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COMPOSE_FILE="compose.yml"
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fi
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if [ -z "$ABRA_STACK_DIR" ]; then
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ABRA_STACK_DIR="../stacks/$SERVICE"
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fi
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###### Safety checks
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if [ -z "$STACK_NAME" ]; then
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echo "$(tput setaf 1)ERROR: \$STACK_NAME must be set (e.g. export STACK_NAME=my_cool_app)$(tput sgr0 )"
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exit
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error "no stack_name, export \$STACK_NAME=my_cool_app or add it to abra.yml"
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fi
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if type direnv > /dev/null 2>&1 && ! direnv status | grep -q 'Found RC allowed true'; then
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echo "$(tput setaf 1)ERROR: direnv is blocked, run direnv allow$(tput sgr0)"
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exit
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if [ -z "$ABRA_ENV" ] && [ -f .envrc ] && type direnv > /dev/null 2>&1 && ! direnv status | grep -q 'Found RC allowed true'; then
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error "direnv is blocked, run direnv allow"
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fi
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###### Custom commands
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if [ -f abra-commands.sh ]; then
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# shellcheck disable=SC1091
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. abra-commands.sh
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source abra-commands.sh
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fi
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###### Global help
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sub_help() {
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echo "Usage: $PROGRAM_NAME [-a STACK_NAME] <subcommand> [options]"
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echo "Usage: $PROGRAM_NAME [-a STACK_NAME] [-c CONFIG] [-e ENV_FILE] <subcommand> [options]"
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echo ""
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echo "Subcommands:"
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echo " context [--help] [SUBCOMMAND] manage remote swarm contexts"
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echo " cp SRC_PATH SERVICE:DEST_PATH copy files to a container"
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echo " deploy let 'em rip"
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echo " logs SERVICE [ARGS] tail logs from a deployed service"
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echo " run SERVICE CMD run a command in the specified service's container"
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echo " run_args SERVICE ARGS CMD run, passing extra args to docker exec"
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echo " secret_generate SECRET VERSION [CMD] generate a secret, store it in pass & as a Docker secret"
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echo " secret [--help] [SUBCOMMAND] manage secrets"
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echo " upgrade upgrade to the latest version"
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echo " ... (custom commands)"
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echo ""
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echo "Make sure \$STACK_NAME is set using direnv or -a"
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echo "Make sure \$STACK_NAME is set using direnv, -a, -e or -c"
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echo ""
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echo "Runs compose.yml by default, set e.g. COMPOSE_FILE=\"compose.yml:compose2.yml\" to override"
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}
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###### Subcommand `secret`
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sub_secret_help() {
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echo "Usage: $PROGRAM_NAME [-a STACK_NAME] secret <subcommand> [options]"
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echo ""
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echo "Subcommands:"
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echo " generate [PW] generate & store secret"
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echo " generate SECRET VERSION [PW] generate & store secret"
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}
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sub_secret_generate(){
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@ -99,6 +164,8 @@ sub_secret() {
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parse_subcommand "$SUBCOMMAND" "secret" $@
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}
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###### Subcommand `run`
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sub_run_args(){
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SERVICE=$1
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DOCKER_ARGS=$2
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@ -132,9 +199,11 @@ sub_run(){
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sub_run_args "$SERVICE" "" "$@"
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}
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###### Subcommand `deploy`
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sub_deploy (){
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echo "About to deploy:"
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echo " Compose: $(tput setaf 3)${PWD}/${COMPOSE_FILE}$(tput sgr0)"
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echo " Compose: $(tput setaf 3)${ABRA_STACK_DIR}/${COMPOSE_FILE}$(tput sgr0)"
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if [ -n "$DOMAIN" ]; then
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echo " Domain: $(tput setaf 2)${DOMAIN}$(tput sgr0)"
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fi
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@ -148,18 +217,23 @@ sub_deploy (){
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* ) return;;
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esac
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# shellcheck disable=SC2086
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if docker stack deploy -c ${COMPOSE_FILE/:/ -c } "$STACK_NAME"; then
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if [ -n "$DOMAIN" ]; then
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echo "$(tput setaf 2)Yay! App should be available at https://${DOMAIN}$(tput sgr0)"
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(
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cd "$ABRA_STACK_DIR" || error "\$ABRA_STACK_DIR '$ABRA_STACK_DIR' not found"
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# shellcheck disable=SC2086
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if docker stack deploy -c ${COMPOSE_FILE/:/ -c } "$STACK_NAME"; then
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if [ -n "$DOMAIN" ]; then
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echo "$(tput setaf 2)Yay! App should be available at https://${DOMAIN}$(tput sgr0)"
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else
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echo "$(tput setaf 2)Yay! That worked. No \$DOMAIN defined, check logs.(tput sgr0)"
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fi
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else
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echo "$(tput setaf 2)Yay! That worked. No \$DOMAIN defined, check logs.(tput sgr0)"
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error "Oh no! Something went wrong 😕 Check errors above"
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fi
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else
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echo "$(tput setaf 1)Oh no! Something went wrong 😕 Check errors above$(tput sgr0)"
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fi
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)
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}
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###### Subcommand `logs`
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sub_logs (){
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SERVICE=$1
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@ -180,6 +254,8 @@ sub_logs (){
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docker service logs "${STACK_NAME}_${SERVICE}" $LOGS_ARGS
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}
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###### Subcommand `cp`
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sub_cp() {
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SOURCE=$1
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DEST=$2
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@ -188,18 +264,17 @@ sub_cp() {
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SERVICE=$(echo "$SERVICE" | tr -d ':')
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if [ -z "$SERVICE" ]; then
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echo "$(tput setaf 1)ERROR: Can't find SERVICE in either SRC or DEST$(tput sgr0)"
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echo ""
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echo "Usage: $PROGRAM_NAME cp SERVICE:SRC_PATH DEST_PATH"
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echo " $PROGRAM_NAME cp SRC_PATH SERVICE:DEST_PATH"
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exit
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echo ""
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error "Can't find SERVICE in either SRC or DEST"
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fi
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CONTAINER=$(docker container ls --format "table {{.ID}},{{.Names}}" \
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| grep "${STACK_NAME}_${SERVICE}" | cut -d',' -f1)
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if [ -z "$CONTAINER" ]; then
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echo "$(tput setaf 1)ERROR: Can't find a ${STACK_NAME}_${SERVICE}$(tput sgr0)"
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error "Can't find a ${STACK_NAME}_${SERVICE}"
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exit
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fi
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@ -209,6 +284,8 @@ sub_cp() {
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docker cp $CP_ARGS
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}
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###### Subcommand `context`
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sub_context_help() {
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echo "Usage: $PROGRAM_NAME [-a STACK_NAME] context <subcommand> [options]"
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echo ""
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@ -249,34 +326,9 @@ sub_context() {
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parse_subcommand "$SUBCOMMAND2" "context" $@
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}
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parse_subcommand() {
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SUBCOMMAND="$1"
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PREFIX=$2
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if [ -n "$PREFIX" ]; then
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PPREFIX="_$2"
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SPREFIX="$2 "
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SSPREFIX=" $2"
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fi
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case $SUBCOMMAND in
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"" | "-h" | "--help")
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"sub${PPREFIX}_help"
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;;
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*)
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shift 2
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"sub${PPREFIX}_${SUBCOMMAND}" "$@"
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if [ $? = 127 ]; then
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echo "Error: '$SPREFIX$SUBCOMMAND' is not a known subcommand." >&2
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echo " Run '$PROGRAM_NAME$SSPREFIX --help' for a list of known subcommands." >&2
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exit 1
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fi
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;;
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esac
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}
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###### Main
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SUBCOMMAND=$1
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shift
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# shellcheck disable=SC2086,SC2068
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parse_subcommand $SUBCOMMAND "" $@
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