Context set-up, Subsubcommands, COMPOSE->{_FILE}

abra

@@ -3,8 +3,8 @@
 PROGRAM_NAME=$(basename "$0")
 ABRA_CONFIG=abra.yml
 
-if [ -z "$COMPOSE" ]; then
+if [ -z "$COMPOSE_FILE" ]; then
-	COMPOSE="compose.yml"
+	COMPOSE_FILE="compose.yml"
 fi
 
 yml_pattern_exists() {
@@ -66,7 +66,14 @@ sub_help() {
 	echo ""
 	echo "Make sure \$STACK_NAME is set using direnv or -a"
 	echo ""
-	echo "Runs compose.yml by default, set e.g. COMPOSE=\"compose.yml compose2.yml\" to override"
+	echo "Runs compose.yml by default, set e.g. COMPOSE_FILE=\"compose.yml:compose2.yml\" to override"
+}
+
+sub_secret_help() {
+	echo "Usage: $PROGRAM_NAME [-a STACK_NAME] secret <subcommand> [options]"
+	echo ""
+	echo "Subcommands:"
+	echo "    generate [PW]                         generate & store secret"
 }
 
 sub_secret_generate(){
@@ -84,6 +91,13 @@ sub_secret_generate(){
 		>(pass insert "hosts/autonomic-swarm/${STACK_NAME}/${SECRET}" -m)
 }
 
+sub_secret() {
+	SUBCOMMAND=$1
+	shift
+	# shellcheck disable=SC2068
+	parse_subcommand "$SUBCOMMAND" "secret" $@
+}
+
 sub_run_args(){
 	SERVICE=$1
 	DOCKER_ARGS=$2
@@ -119,7 +133,7 @@ sub_run(){
 
 sub_deploy (){
 	echo "About to deploy:"
-	echo "  Compose: $(tput setaf 3)${PWD}/${COMPOSE}$(tput sgr0)"
+	echo "  Compose: $(tput setaf 3)${PWD}/${COMPOSE_FILE}$(tput sgr0)"
 	if [ -n "$DOMAIN" ]; then
 		echo "  Domain: $(tput setaf 2)${DOMAIN}$(tput sgr0)"
 	fi
@@ -134,7 +148,7 @@ sub_deploy (){
 	esac
 
 	# shellcheck disable=SC2086
-	if docker stack deploy -c ${COMPOSE/ / -c } "$STACK_NAME"; then
+	if docker stack deploy -c ${COMPOSE_FILE/:/ -c } "$STACK_NAME"; then
 		if [ -n "$DOMAIN" ]; then
 			echo "$(tput setaf 2)Yay! App should be available at https://${DOMAIN}$(tput sgr0)"
 		else
@@ -194,18 +208,70 @@ sub_cp() {
 	docker cp $CP_ARGS
 }
 
-subcommand=$1
+sub_context_help() {
-case $subcommand in
+	echo "Usage: $PROGRAM_NAME [-a STACK_NAME] context <subcommand> [options]"
-	"" | "-h" | "--help")
+	echo ""
-		sub_help
+	echo "Subcommands:"
-		;;
+	echo "    init HOST [USER] [PORT]               set up remote Docker context"
-	*)
+	echo "    use                                   activate remote Docker context"
-		shift
+}
-		"sub_${subcommand}" "$@"
+
-		if [ $? = 127 ]; then
+sub_context_init() {
-			echo "Error: '$subcommand' is not a known subcommand." >&2
+	HOST="$1"
-			echo "       Run '$PROGRAM_NAME --help' for a list of known subcommands." >&2
+	USERNAME="$2"
-			exit 1
+	PORT="$3"
-		fi
+
-		;;
+	if [ -n "$PORT" ]; then
-esac
+		PORT=":$PORT"
+	fi
+
+	if [ -n "$USERNAME" ]; then
+		USERNAME="$USERNAME@"
+	fi
+
+	docker context create "$HOST" \
+		--docker "host=ssh://$USERNAME$HOST$PORT"
+}
+
+sub_context_use() {
+	docker context use "$1"
+}
+
+sub_context() {
+	SUBCOMMAND2=$1
+	shift
+	# shellcheck disable=SC2068
+	parse_subcommand "$SUBCOMMAND2" "context" $@
+}
+
+parse_subcommand() {
+	SUBCOMMAND="$1"
+	PREFIX=$2
+
+	if [ -n "$PREFIX" ]; then
+		PPREFIX="_$2"
+		SPREFIX="$2 "
+		SSPREFIX=" $2"
+	fi
+
+	case $SUBCOMMAND in
+		"" | "-h" | "--help")
+			"sub${PPREFIX}_help"
+			;;
+		*)
+			shift 2
+			"sub${PPREFIX}_${SUBCOMMAND}" "$@"
+			if [ $? = 127 ]; then
+				echo "Error: '$SPREFIX$SUBCOMMAND' is not a known subcommand." >&2
+				echo "       Run '$PROGRAM_NAME$SSPREFIX --help' for a list of known subcommands." >&2
+				exit 1
+			fi
+			;;
+	esac
+}
+
+SUBCOMMAND=$1
+shift
+
+# shellcheck disable=SC2086,SC2068
+parse_subcommand $SUBCOMMAND "" $@