Add log entry

Closes #8

.drone.yml

@@ -7,7 +7,7 @@ steps:
     commands:
       - apt update
       - apt install -y shellcheck
-      - shellcheck abra installer
+      - shellcheck abra script.d/*
 trigger:
   branch:
     - main

CHANGELOG.md

@@ -1,3 +1,12 @@
+# abra 0.3.0 (2020-09-27)
+
+- Add multilogs stack logs implementation ([#8](https://git.autonomic.zone/compose-stacks/abra/issues/8)
+- Add beginnings of "monorepo" functionality
+
+# abra 0.2.0 (2020-09-24)
+
+- Prepare for swarm install script using script.d ([#12](https://git.autonomic.zone/compose-stacks/planning/issues/12))
+
 # abra 0.1.2 (2020-09-22)
 
 - Add upgrade command ([#10](https://git.autonomic.zone/autonomic-cooperative/abra/issues/10))

README.md

@@ -24,7 +24,7 @@ cd abra
 make dev_install
 ```
 
-See [autonomic-cooperative/installer-scripts](https://git.autonomic.zone/autonomic-cooperative/installer-scripts) for the installer script deployment. To make a release, just add an entry to [CHANGELOG.md](./CHANGELOG.md) and the [installer](./installer) (following [semver](https://semver.org/) please) and then `git tag x.x.x && git push origin main --tags`. If you want the [installer-scripts](https://git.autonomic.zone/autonomic-cooperative/installer-scripts) deployment to pick that up, you'll need to change the version number in the [Makefile](https://git.autonomic.zone/autonomic-cooperative/installer-scripts/src/branch/main/Makefile) and run `make` in that repository and push the changes.
+See [autonomic-cooperative/installer-scripts](https://git.autonomic.zone/autonomic-cooperative/installer-scripts) for the installer script deployment. To make a release, just add an entry to [CHANGELOG.md](./CHANGELOG.md) (following [semver](https://semver.org/) please) and then `git tag x.x.x && git push origin main --tags`. If you want the [installer-scripts](https://git.autonomic.zone/autonomic-cooperative/installer-scripts) deployment to pick that up, you'll need to change the version number in the [Makefile](https://git.autonomic.zone/autonomic-cooperative/installer-scripts/src/branch/main/Makefile) and run `make` in that repository and push the changes.
 
 ## Specify what to deploy where
 
@@ -35,7 +35,7 @@ You can use `abra` in one of 2 ways:
 2. "Monorepo mode": keep all your `compose-stack`s in one directory and all your `env` files in
    another, e.g.:
    ```
-	 $ tree
+   $ tree
    .
    ├── apps
    │   ├── mediawiki.demo.autonomic.zone.env
@@ -48,8 +48,8 @@ You can use `abra` in one of 2 ways:
        ├── swarmpit
        ├── traefik
        └── wordpress
-		$ abra -e apps/mediawiki.demo.autonomic.zone.env deploy
-    ```
+   $ abra -e apps/mediawiki.demo.autonomic.zone.env deploy
+   ```
 
 ## Examples
 

abra

@@ -7,10 +7,6 @@ PROGRAM_NAME=$(basename "$0")
 yml_pattern_exists() {
 	PATTERN=$1
 
-	if ! type yq > /dev/null 2>&1; then
-		error "yq program is not installed"
-	fi
-
 	if [ -f "$ABRA_CONFIG" ]; then
 			RESULT=$(yq read "$ABRA_CONFIG" "$PATTERN")
 
@@ -57,6 +53,10 @@ warning() {
 	echo "$(tput setaf 3)WARNING: $*$(tput sgr0)"
 }
 
+success() {
+	echo "$(tput setaf 2)$*$(tput sgr0)"
+}
+
 ###### Top-level arguments
 
 ABRA_CONFIG=abra.yml
@@ -78,6 +78,8 @@ fi
 ###### Load config
 
 if [ -f "$ABRA_CONFIG" ]; then
+	require_yq
+
 	if yml_pattern_exists stack_name; then
 		STACK_NAME=$(yq read "$ABRA_CONFIG" stack_name)
 	fi
@@ -86,7 +88,7 @@ fi
 
 if [ -n "$ABRA_ENV" ]; then
 	# shellcheck disable=SC1090
-	source "$ABRA_ENV"
+	source "$ABRA_ENV" || error "Unable to load env from '$ABRA_ENV'"
 fi
 
 ###### Default settings
@@ -102,12 +104,26 @@ fi
 load_context() {
 	if [ -z "$DOCKER_CONTEXT" ]; then
 		warning "\$DOCKER_CONTEXT not set, (slowly) looking it up"
+		# shellcheck disable=SC2063
 		DOCKER_CONTEXT=$(docker context ls | grep '*' | cut -d' ' -f1)
+		# FIXME 3wc: make sure grep doesn't parse this, we're want a literal '*'
 	fi
 }
 
 ###### Safety checks
 
+require_yq() {
+	if ! type yq > /dev/null 2>&1; then
+		error "yq program is not installed"
+	fi
+}
+
+require_multitail() {
+	if ! type multitail > /dev/null 2>&1; then
+		error "multitail program is not installed"
+	fi
+}
+
 require_stack() {
 	if [ -z "$STACK_NAME" ]; then
 		error "no stack_name, export \$STACK_NAME=my_cool_app or add it to abra.yml"
@@ -141,6 +157,7 @@ sub_help() {
 	echo "    cp SRC_PATH SERVICE:DEST_PATH         copy files to a container"
 	echo "    deploy                                let 'em rip"
 	echo "    logs SERVICE [ARGS]                   tail logs from a deployed service"
+	echo "    multilogs                             tail logs from a whole stackk"
 	echo "    run SERVICE CMD                       run a command in the specified service's container"
 	echo "    run_args SERVICE ARGS CMD             run, passing extra args to docker exec"
 	echo "    secret [--help] [SUBCOMMAND]          manage secrets"
@@ -155,28 +172,42 @@ sub_help() {
 ###### Subcommand `secret`
 
 sub_secret_help() {
-	echo "Usage: $PROGRAM_NAME [-a STACK_NAME] secret <subcommand> [options]"
+	echo "Usage: $PROGRAM_NAME [global opts] secret <subcommand> [sub opts]"
 	echo ""
 	echo "Subcommands:"
-	echo "    generate SECRET VERSION [PW]          generate & store secret"
+	echo "    generate SECRET VERSION [PWGEN]       generate & store secret"
+	echo "    insert SECRET VERSION PW              save PW in docker and pass"
 }
 
-sub_secret_generate(){
+sub_secret_insert() {
 	require_stack
 	load_context
 
 	SECRET=$1
 	VERSION=$2
-	PW=${3:-pwqgen}
+	PW=$3
 
-	if [ -z "$SECRET" ] || [ -z "$VERSION" ]; then
-		echo "Usage: $PROGRAM_NAME secret_generate SECRET VERSION"
+	if [ -z "$SECRET" ] || [ -z "$VERSION" ] || [ -z "$PW" ]; then
+		echo "Usage: $PROGRAM_NAME secret insert SECRET VERSION PW"
 		exit
 	fi
 
-	$PW | tee \
-		>(docker secret create "${STACK_NAME}_${SECRET}_${VERSION}" -) \
-		>(pass insert "hosts/$DOCKER_CONTEXT/${STACK_NAME}/${SECRET}" -m)
+	echo "$PW" | docker secret create "${STACK_NAME}_${SECRET}_${VERSION}" - > /dev/null
+	echo "$PW" | pass insert "hosts/$DOCKER_CONTEXT/${STACK_NAME}/${SECRET}" -m > /dev/null
+}
+
+sub_secret_generate(){
+	SECRET=$1
+	VERSION=$2
+	PWGEN=${3:-pwqgen}
+
+	PW=$($PWGEN)
+
+	success "Password: $PW"
+
+	echo "sub_secret_insert \"$SECRET\" \"$VERSION\" \"$PW\""
+	exit
+	sub_secret_insert "$SECRET" "$VERSION" "$PW"
 }
 
 sub_secret() {
@@ -197,7 +228,7 @@ sub_run_args(){
 	shift 2
 
 	if [ -z "$SERVICE" ]; then
-		echo "Usage: $PROGRAM_NAME run SERVICE [CMD]"
+		echo "Usage: $PROGRAM_NAME run SERVICE DOCKER_ARGS [CMD]"
 		exit
 	fi
 
@@ -251,9 +282,9 @@ sub_deploy (){
 		# shellcheck disable=SC2086
 		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)"
+				success "Yay! App should be available at https://${DOMAIN}"
 			else
-				echo "$(tput setaf 2)Yay! That worked. No \$DOMAIN defined, check logs.(tput sgr0)"
+				success "Yay! That worked. No \$DOMAIN defined, check logs."
 			fi
 		else
 			error "Oh no! Something went wrong 😕 Check errors above"
@@ -263,11 +294,34 @@ sub_deploy (){
 
 ###### Subcommand `logs`
 
+# Inspired by https://github.com/moby/moby/issues/31458#issuecomment-475411564
+sub_multilogs() {
+	require_stack
+	require_multitail
+
+	# Get a list of the service names
+	SERVICES=$(docker stack services --format "{{.Name}}" "${STACK_NAME}")
+	# Sort the service names
+	SERVICES=$(echo "${SERVICES}" | sort)
+	# Create the command to run
+	COMMAND='multitail --mergeall'
+	for SERVICE in ${SERVICES}; do
+			COMMAND="${COMMAND} -L 'docker service logs --tail 20 -f ${SERVICE}'"
+	done
+	# Run the command
+	bash -c "${COMMAND}"
+}
+
 sub_logs (){
 	require_stack
 
 	SERVICE=$1
 
+	if [ -z "$SERVICE" ]; then
+		warning "No \$SERVICE provided, running multilogs"
+		sub_multilogs
+	fi
+
 	shift
 
 	if [ $# -eq 0 ]; then
@@ -320,7 +374,7 @@ sub_cp() {
 ###### Subcommand `context`
 
 sub_context_help() {
-	echo "Usage: $PROGRAM_NAME [-a STACK_NAME] context <subcommand> [options]"
+	echo "Usage: $PROGRAM_NAME [global opts] context <subcommand> [sub opts]"
 	echo ""
 	echo "Subcommands:"
 	echo "    init HOST [USER] [PORT]               set up remote Docker context"

script.d/swarm-installer

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+install_docker() {
+  echo "install_docker: TODO"
+}
+init_swarm() {
+  echo "init_swarm: TODO"
+}
+
+run_installation() {
+  install_docker
+  init_swarm
+}
+
+run_installation
+exit 0