Release 1.4.3

feat: add ability to upgrade service image and image-version

LICENSE.txt

@@ -1,4 +1,4 @@
-Copyright (C) 2015 Jose Diaz-Gonzalez
+Copyright (C) 2018 Jose Diaz-Gonzalez
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

README.md

@@ -1,4 +1,4 @@
-# dokku mongo (beta) [![Build Status](https://img.shields.io/travis/dokku/dokku-mongo.svg?branch=master "Build Status")](https://travis-ci.org/dokku/dokku-mongo) [![IRC Network](https://img.shields.io/badge/irc-freenode-blue.svg "IRC Freenode")](https://webchat.freenode.net/?channels=dokku)
+# dokku mongo [![Build Status](https://img.shields.io/travis/dokku/dokku-mongo.svg?branch=master "Build Status")](https://travis-ci.org/dokku/dokku-mongo) [![IRC Network](https://img.shields.io/badge/irc-freenode-blue.svg "IRC Freenode")](https://webchat.freenode.net/?channels=dokku)
 
 Official mongo plugin for dokku. Currently defaults to installing [mongo 3.4.9](https://hub.docker.com/_/mongo/).
 
@@ -17,6 +17,7 @@ sudo dokku plugin:install https://github.com/dokku/dokku-mongo.git mongo
 ## commands
 
 ```
+mongo:app-links <app>          List all mongo service links for a given app
 mongo:backup <name> <bucket> (--use-iam) Create a backup of the mongo service to an existing s3 bucket
 mongo:backup-auth <name> <aws_access_key_id> <aws_secret_access_key> (<aws_default_region>) (<aws_signature_version>) (<endpoint_url>) Sets up authentication for backups on the mongo service
 mongo:backup-deauth <name>     Removes backup authentication for the mongo service
@@ -46,6 +47,7 @@ mongo:start <name>             Start a previously stopped mongo service
 mongo:stop <name>              Stop a running mongo service
 mongo:unexpose <name>          Unexpose a previously exposed mongo service
 mongo:unlink <name> <app>      Unlink the mongo service from the app
+mongo:upgrade <name>           Upgrade service <service> to the specified version
 ```
 
 ## usage
@@ -152,10 +154,10 @@ dokku mongo:logs lolipop
 dokku mongo:logs lolipop -t # to tail
 
 # you can dump the database
-dokku mongo:export lolipop > lolipop.dump.tar
+dokku mongo:export lolipop > lolipop.dump.gz
 
 # you can import a dump
-dokku mongo:import lolipop < database.dump.tar
+dokku mongo:import lolipop < database.dump.gz
 
 # you can clone an existing database to a new one
 dokku mongo:clone lolipop new_database

common-functions

@@ -67,6 +67,22 @@ is_container_status() {
   return 1
 }
 
+is_implemented_command() {
+  declare desc="return true if value ($1) is in list (all other arguments)"
+  declare CMD="$1"
+  CMD="$(echo "$CMD" | cut -d ':' -f2)"
+
+  if [[ ${#PLUGIN_UNIMPLEMENTED_SUBCOMMANDS[@]} -eq 0 ]]; then
+    return 0
+  fi
+
+  local e
+  for e in "${PLUGIN_UNIMPLEMENTED_SUBCOMMANDS[@]}"; do
+    [[ "$e" == "$CMD" ]] && return 1
+  done
+  return 0
+}
+
 remove_from_links_file() {
   declare desc="Removes an app from the service link file"
   declare SERVICE="$1" APP="$2"
@@ -79,7 +95,7 @@ remove_from_links_file() {
   sort "$LINKS_FILE" -u -o "$LINKS_FILE"
 }
 
-service_alias() {
+service_dns_hostname() {
   declare desc="Retrieves the alias of a service"
   declare SERVICE="$1"
   local SERVICE_NAME="$(get_service_name "$SERVICE")"
@@ -92,9 +108,7 @@ service_alternative_alias() {
   local COLORS=(AQUA BLACK BLUE FUCHSIA GRAY GREEN LIME MAROON NAVY OLIVE PURPLE RED SILVER TEAL WHITE YELLOW)
   local ALIAS;
 
-  while [[ -z $ALIAS ]]; do
-    local IDX=$((RANDOM % ${#COLORS[*]}))
-    local COLOR=${COLORS[IDX]}
+  for COLOR in "${COLORS[@]}"; do
     ALIAS="${PLUGIN_ALT_ALIAS}_${COLOR}"
     local IN_USE=$(echo "$EXISTING_CONFIG" | grep "${ALIAS}_URL")
     if [[ -n $IN_USE ]]; then
@@ -104,26 +118,47 @@ service_alternative_alias() {
   echo "$ALIAS"
 }
 
+service_app_links() {
+  declare desc="Outputs all service links for a given app"
+  declare APP="$1"
+  local SERVICE LINKED_APP
+
+  pushd "$PLUGIN_DATA_ROOT" > /dev/null
+  for SERVICE in *; do
+    [[ -f "$SERVICE/LINKS" ]] || continue
+    for LINKED_APP in $(<"$SERVICE/LINKS"); do
+      if [[ "$LINKED_APP" == "$APP" ]] ; then
+        echo "$SERVICE"
+      fi
+    done
+  done
+}
+
 service_backup() {
   declare desc="Creates a backup of a service to an existing s3 bucket"
   declare SERVICE="$1" BUCKET_NAME="$2" USE_IAM_OPTIONAL_FLAG="$3"
-  local BACKUP_CONFIG_ROOT="$PLUGIN_DATA_ROOT/$SERVICE/backup"
+  local SERVICE_BACKUP_ROOT="$PLUGIN_DATA_ROOT/$SERVICE/backup"
   local BACKUP_ENCRYPTION_CONFIG_ROOT="$PLUGIN_DATA_ROOT/$SERVICE/backup-encryption"
-  local AWS_ACCESS_KEY_ID_FILE="$BACKUP_CONFIG_ROOT/AWS_ACCESS_KEY_ID"
-  local AWS_SECRET_ACCESS_KEY_FILE="$BACKUP_CONFIG_ROOT/AWS_SECRET_ACCESS_KEY"
+  local AWS_ACCESS_KEY_ID_FILE="$SERVICE_BACKUP_ROOT/AWS_ACCESS_KEY_ID"
+  local AWS_SECRET_ACCESS_KEY_FILE="$SERVICE_BACKUP_ROOT/AWS_SECRET_ACCESS_KEY"
+  local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
+  local ID="$(cat "$SERVICE_ROOT/ID")"
   local BACKUP_PARAMETERS=""
 
-  if [[ "$USE_IAM_OPTIONAL_FLAG" != "--use-iam" ]] && [[ "$USE_IAM_OPTIONAL_FLAG" != "-u" ]]; then
+  if [[ -z "$USE_IAM_OPTIONAL_FLAG" ]]; then
     [[ ! -f "$AWS_ACCESS_KEY_ID_FILE" ]] && dokku_log_fail "Missing AWS_ACCESS_KEY_ID file"
     [[ ! -f "$AWS_SECRET_ACCESS_KEY_FILE" ]] && dokku_log_fail "Missing AWS_SECRET_ACCESS_KEY file"
     BACKUP_PARAMETERS="$BACKUP_PARAMETERS -e AWS_ACCESS_KEY_ID=$(cat "$AWS_ACCESS_KEY_ID_FILE") -e AWS_SECRET_ACCESS_KEY=$(cat "$AWS_SECRET_ACCESS_KEY_FILE")"
-  else
+  elif [[ "$USE_IAM_OPTIONAL_FLAG" != "--use-iam" ]] && [[ "$USE_IAM_OPTIONAL_FLAG" != "-u" ]]; then
     dokku_log_fail "Provide AWS credentials or use the --use-iam flag"
   fi
 
   TMPDIR=$(mktemp -d)
   trap 'rm -rf "$TMPDIR" > /dev/null' RETURN INT TERM EXIT
 
+  docker inspect "$ID" &> /dev/null || dokku_log_fail "Service container does not exist"
+  is_container_status "$ID" "Running" || dokku_log_fail "Service container is not running"
+
   (service_export "$SERVICE" > "${TMPDIR}/export")
 
   # Build parameter list for s3backup tool
@@ -131,16 +166,16 @@ service_backup() {
   BACKUP_PARAMETERS="$BACKUP_PARAMETERS -e BACKUP_NAME=${PLUGIN_COMMAND_PREFIX}-${SERVICE}"
   BACKUP_PARAMETERS="$BACKUP_PARAMETERS -v ${TMPDIR}:/backup"
 
-  if [[ -f "$BACKUP_CONFIG_ROOT/AWS_DEFAULT_REGION" ]]; then
-    BACKUP_PARAMETERS="$BACKUP_PARAMETERS -e AWS_DEFAULT_REGION=$(cat "$BACKUP_CONFIG_ROOT/AWS_DEFAULT_REGION")"
+  if [[ -f "$SERVICE_BACKUP_ROOT/AWS_DEFAULT_REGION" ]]; then
+    BACKUP_PARAMETERS="$BACKUP_PARAMETERS -e AWS_DEFAULT_REGION=$(cat "$SERVICE_BACKUP_ROOT/AWS_DEFAULT_REGION")"
   fi
 
-  if [[ -f "$BACKUP_CONFIG_ROOT/AWS_SIGNATURE_VERSION" ]]; then
-    BACKUP_PARAMETERS="$BACKUP_PARAMETERS -e AWS_SIGNATURE_VERSION=$(cat "$BACKUP_CONFIG_ROOT/AWS_SIGNATURE_VERSION")"
+  if [[ -f "$SERVICE_BACKUP_ROOT/AWS_SIGNATURE_VERSION" ]]; then
+    BACKUP_PARAMETERS="$BACKUP_PARAMETERS -e AWS_SIGNATURE_VERSION=$(cat "$SERVICE_BACKUP_ROOT/AWS_SIGNATURE_VERSION")"
   fi
 
-  if [[ -f "$BACKUP_CONFIG_ROOT/ENDPOINT_URL" ]]; then
-    BACKUP_PARAMETERS="$BACKUP_PARAMETERS -e ENDPOINT_URL=$(cat "$BACKUP_CONFIG_ROOT/ENDPOINT_URL")"
+  if [[ -f "$SERVICE_BACKUP_ROOT/ENDPOINT_URL" ]]; then
+    BACKUP_PARAMETERS="$BACKUP_PARAMETERS -e ENDPOINT_URL=$(cat "$SERVICE_BACKUP_ROOT/ENDPOINT_URL")"
   fi
 
   if [[ -f "$BACKUP_ENCRYPTION_CONFIG_ROOT/ENCRYPTION_KEY" ]]; then
@@ -154,23 +189,22 @@ service_backup() {
 service_backup_auth() {
   declare desc="Sets up authentication"
   declare SERVICE="$1" AWS_ACCESS_KEY_ID="$2" AWS_SECRET_ACCESS_KEY="$3" AWS_DEFAULT_REGION="$4" AWS_SIGNATURE_VERSION="$5" ENDPOINT_URL="$6"
-  local SERVICE_ROOT="${PLUGIN_DATA_ROOT}/${SERVICE}"
-  local SERVICE_BACKUP_ROOT="${SERVICE_ROOT}/backup/"
+  local SERVICE_BACKUP_ROOT="$PLUGIN_DATA_ROOT/$SERVICE/backup"
 
   mkdir -p "$SERVICE_BACKUP_ROOT"
-  echo "$AWS_ACCESS_KEY_ID" > "${SERVICE_BACKUP_ROOT}/AWS_ACCESS_KEY_ID"
-  echo "$AWS_SECRET_ACCESS_KEY" > "${SERVICE_BACKUP_ROOT}/AWS_SECRET_ACCESS_KEY"
+  echo "$AWS_ACCESS_KEY_ID" > "$SERVICE_BACKUP_ROOT/AWS_ACCESS_KEY_ID"
+  echo "$AWS_SECRET_ACCESS_KEY" > "$SERVICE_BACKUP_ROOT/AWS_SECRET_ACCESS_KEY"
 
   if [[ -n "$AWS_DEFAULT_REGION" ]]; then
-    echo "$AWS_DEFAULT_REGION" > "${SERVICE_BACKUP_ROOT}/AWS_DEFAULT_REGION"
+    echo "$AWS_DEFAULT_REGION" > "$SERVICE_BACKUP_ROOT/AWS_DEFAULT_REGION"
   fi
 
   if [[ -n "$AWS_SIGNATURE_VERSION" ]]; then
-    echo "$AWS_SIGNATURE_VERSION" > "${SERVICE_BACKUP_ROOT}/AWS_SIGNATURE_VERSION"
+    echo "$AWS_SIGNATURE_VERSION" > "$SERVICE_BACKUP_ROOT/AWS_SIGNATURE_VERSION"
   fi
 
   if [[ -n "$ENDPOINT_URL" ]]; then
-    echo "$ENDPOINT_URL" > "${SERVICE_BACKUP_ROOT}/ENDPOINT_URL"
+    echo "$ENDPOINT_URL" > "$SERVICE_BACKUP_ROOT/ENDPOINT_URL"
   fi
 }
 
@@ -185,12 +219,16 @@ service_backup_deauth() {
 
 service_backup_schedule() {
   declare desc="schedules a backup of the service"
-  declare SERVICE="$1" SCHEDULE="$2" BUCKET_NAME="$3"
+  declare SERVICE="$1" SCHEDULE="$2" BUCKET_NAME="$3" USE_IAM_OPTIONAL_FLAG="$4"
   local DOKKU_BIN="$(which dokku)"
   local CRON_FILE="/etc/cron.d/dokku-${PLUGIN_COMMAND_PREFIX}-${SERVICE}"
   local TMP_CRON_FILE="${PLUGIN_DATA_ROOT}/.TMP_CRON_FILE"
 
-  echo "${SCHEDULE} dokku ${DOKKU_BIN} ${PLUGIN_COMMAND_PREFIX}:backup ${SERVICE} ${BUCKET_NAME}" > "$TMP_CRON_FILE"
+  if [[ -n "$USE_IAM_OPTIONAL_FLAG" ]] && [[ "$USE_IAM_OPTIONAL_FLAG" != "--use-iam" ]] && [[ "$USE_IAM_OPTIONAL_FLAG" != "-u" ]]; then
+    dokku_log_fail "Invalid flag provided, only '--use-iam' allowed"
+  fi
+
+  echo "${SCHEDULE} dokku ${DOKKU_BIN} ${PLUGIN_COMMAND_PREFIX}:backup ${SERVICE} ${BUCKET_NAME} ${USE_IAM_OPTIONAL_FLAG}" > "$TMP_CRON_FILE"
   sudo /bin/mv "$TMP_CRON_FILE" "$CRON_FILE"
   sudo /bin/chown root:root "$CRON_FILE"
   sudo /bin/chmod 644 "$CRON_FILE"
@@ -235,14 +273,29 @@ service_backup_unset_encryption() {
   rm -rf "$SERVICE_BACKUP_ENCRYPTION_ROOT"
 }
 
+service_container_rm() {
+  declare desc="Stops a service and removes the running container"
+  declare SERVICE="$1"
+  local SERVICE_NAME="$(get_service_name "$SERVICE")"
+
+  service_stop "$SERVICE"
+  local ID=$(docker inspect "$SERVICE_NAME" -f '{{ .ID }}' 2> /dev/null || true)
+  [[ -z "$ID" ]] && return 0
+
+  dokku_log_verbose_quiet "Removing container"
+  if ! docker rm "$SERVICE_NAME" > /dev/null 2>&1; then
+    dokku_log_fail "Unable to remove container for service $SERVICE"
+  fi
+}
+
 service_enter() {
   declare desc="enters running app container of specified proc type"
   declare SERVICE="$1" && shift 1
   local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
   local ID="$(cat "$SERVICE_ROOT/ID")"
 
-  docker inspect "$ID" &> /dev/null || dokku_log_fail "Container does not exist"
-  is_container_status "$ID" "Running" || dokku_log_fail "Container is not running"
+  docker inspect "$ID" &> /dev/null || dokku_log_fail "Service container does not exist"
+  is_container_status "$ID" "Running" || dokku_log_fail "Service container is not running"
 
   local EXEC_CMD=""
   has_tty && local DOKKU_RUN_OPTS+=" -i -t"
@@ -262,6 +315,17 @@ service_exposed_ports() {
   done
 }
 
+service_image_exists() {
+  declare desc="Checks if the current image exists"
+  local IMAGE="$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION"
+
+  if [[ "$(docker images -q "$IMAGE" 2> /dev/null)" == "" ]]; then
+    return 1
+  fi
+
+  return 0
+}
+
 service_info() {
   declare desc="Retrieves information about a given service"
   declare SERVICE="$1" INFO_FLAG="$2"
@@ -324,9 +388,22 @@ service_link() {
   local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
   local EXISTING_CONFIG=$(config_all "$APP")
   local LINK=$(echo "$EXISTING_CONFIG" | grep "$SERVICE_URL" | cut -d: -f1) || true
-  local DEFAULT_ALIAS=$(echo "$EXISTING_CONFIG" | grep "${PLUGIN_DEFAULT_ALIAS}_URL") || true
-  local SERVICE_ALIAS=$(service_alias "$SERVICE")
+  local SERVICE_DNS_HOSTNAME=$(service_dns_hostname "$SERVICE")
   local LINKS_FILE="$SERVICE_ROOT/LINKS"
+  local ALIAS="$PLUGIN_DEFAULT_ALIAS"
+  local DEFAULT_ALIAS
+
+  if [[ -n "$SERVICE_ALIAS" ]]; then
+    ALIAS="$SERVICE_ALIAS"
+    ALIAS_IN_USE=$(echo "$EXISTING_CONFIG" | grep "${ALIAS}_URL") || true
+    [[ -n "$ALIAS_IN_USE" ]] && dokku_log_fail "Specified alias $ALIAS already in use"
+  else
+    DEFAULT_ALIAS=$(echo "$EXISTING_CONFIG" | grep "${PLUGIN_DEFAULT_ALIAS}_URL") || true
+    if [[ -n "$DEFAULT_ALIAS" ]]; then
+      ALIAS=$(service_alternative_alias "$EXISTING_CONFIG")
+    fi
+    [[ -z "$ALIAS" ]] && dokku_log_fail "Unable to use default or generated URL alias"
+  fi
 
   [[ -n $LINK ]] && dokku_log_fail "Already linked as $LINK"
   mkdir -p "$SERVICE_ROOT" || dokku_log_fail "Unable to create service directory"
@@ -334,18 +411,14 @@ service_link() {
   echo "$APP" >> "$LINKS_FILE"
   sort "$LINKS_FILE" -u -o "$LINKS_FILE"
 
-  local ALIAS="$PLUGIN_DEFAULT_ALIAS"
-  if [[ -n $DEFAULT_ALIAS ]]; then
-    ALIAS=$(service_alternative_alias "$EXISTING_CONFIG")
-  fi
-
   if declare -f -F add_passed_docker_option > /dev/null; then
     # shellcheck disable=SC2034
     local passed_phases=(build deploy run)
-    add_passed_docker_option passed_phases[@] "--link $SERVICE_NAME:$SERVICE_ALIAS"
+    add_passed_docker_option passed_phases[@] "--link $SERVICE_NAME:$SERVICE_DNS_HOSTNAME"
   else
-    dokku docker-options:add "$APP" build,deploy,run "--link $SERVICE_NAME:$SERVICE_ALIAS"
+    dokku docker-options:add "$APP" build,deploy,run "--link $SERVICE_NAME:$SERVICE_DNS_HOSTNAME"
   fi
+  [[ -n "$SERVICE_QUERYSTRING" ]] && SERVICE_URL="${SERVICE_URL}?${SERVICE_QUERYSTRING}"
   config_set "$APP" "${ALIAS}_URL=$SERVICE_URL"
 }
 
@@ -387,6 +460,7 @@ service_logs() {
     DOKKU_LOGS_ARGS="--follow"
   fi
 
+  docker inspect "$ID" &> /dev/null || dokku_log_fail "Service container does not exist"
   is_container_status "$ID" "Running" || dokku_log_warn "Service logs may not be output as service is not running"
 
   # shellcheck disable=SC2086
@@ -400,26 +474,27 @@ service_parse_args() {
   for arg in "$@"; do
     shift
     case "$arg" in
+      "--alias")                 set -- "$@" "-a" ;;
       "--config-options")        set -- "$@" "-c" ;;
       "--custom-env")            set -- "$@" "-C" ;;
-      "--image")          set -- "$@" "-i" ;;
-      "--image-version")  set -- "$@" "-I" ;;
-      "--password")       set -- "$@" "-p" ;;
-      "--root-password")  set -- "$@" "-r" ;;
-
-      "--alias")          set -- "$@" "-a" ;;
       "--database")              set -- "$@" "-d" ;;
+      "--image-version")         set -- "$@" "-I" ;;
+      "--image")                 set -- "$@" "-i" ;;
       "--memory")                set -- "$@" "-m" ;;
+      "--password")              set -- "$@" "-p" ;;
       "--querystring")           set -- "$@" "-q" ;;
+      "--restart-apps")          set -- "$@" "-R" ;;
+      "--root-password")         set -- "$@" "-r" ;;
       "--user")                  set -- "$@" "-u" ;;
       *)                         set -- "$@" "$arg"
     esac
   done
 
   OPTIND=1
-  while getopts "a:c:C:d:i:I:m:p:q:r:u:" opt; do
+  while getopts "a:c:C:d:i:I:m:p:q:R:r:u:" opt; do
     case "$opt" in
-      a) export SERVICE_ALIAS=$OPTARG
+      a)
+         SERVICE_ALIAS="${OPTARG^^}"; export SERVICE_ALIAS="${SERVICE_ALIAS%_URL}"
          ;;
       c) export PLUGIN_CONFIG_OPTIONS=$OPTARG
          ;;
@@ -435,7 +510,9 @@ service_parse_args() {
          ;;
       p) export SERVICE_PASSWORD=$OPTARG
          ;;
-      q) export SERVICE_QUERYSTRING=$OPTARG
+      q) export SERVICE_QUERYSTRING=${OPTARG#"?"}
+         ;;
+      R) export SERVICE_RESTART_APPS=$OPTARG
          ;;
       r) export SERVICE_ROOT_PASSWORD=$OPTARG
          ;;
@@ -589,10 +666,10 @@ service_stop() {
   [[ -z $ID ]] && dokku_log_warn "Service is already stopped" && return 0
 
   if [[ -n $ID ]]; then
-    dokku_log_info1_quiet "Stopping container"
+    dokku_log_info2_quiet "Stopping container"
     docker stop "$SERVICE_NAME" > /dev/null
     service_port_pause "$SERVICE"
-    dokku_log_info2 "Container stopped"
+    dokku_log_verbose_quiet "Container stopped"
   else
     dokku_log_verbose_quiet "No container exists for $SERVICE"
   fi
@@ -605,7 +682,7 @@ service_unlink() {
   local SERVICE_URL=$(service_url "$SERVICE")
   local SERVICE_NAME="$(get_service_name "$SERVICE")"
   local EXISTING_CONFIG=$(config_all "$APP")
-  local SERVICE_ALIAS=$(service_alias "$SERVICE")
+  local SERVICE_DNS_HOSTNAME=$(service_dns_hostname "$SERVICE")
   local LINK=($(echo "$EXISTING_CONFIG" | grep "$SERVICE_URL" | cut -d: -f1)) || true
 
   remove_from_links_file "$SERVICE" "$APP"
@@ -613,9 +690,9 @@ service_unlink() {
   if declare -f -F add_passed_docker_option > /dev/null; then
     # shellcheck disable=SC2034
     local passed_phases=(build deploy run)
-    remove_passed_docker_option passed_phases[@] "--link $SERVICE_NAME:$SERVICE_ALIAS"
+    remove_passed_docker_option passed_phases[@] "--link $SERVICE_NAME:$SERVICE_DNS_HOSTNAME"
   else
-    dokku docker-options:remove "$APP" build,deploy,run "--link $SERVICE_NAME:$SERVICE_ALIAS"
+    dokku docker-options:remove "$APP" build,deploy,run "--link $SERVICE_NAME:$SERVICE_DNS_HOSTNAME"
   fi
 
   [[ -z ${LINK[*]} ]] && dokku_log_fail "Not linked to app $APP"

config

@@ -4,6 +4,7 @@ export MONGO_IMAGE_VERSION=${MONGO_IMAGE_VERSION:="3.4.9"}
 export MONGO_ROOT=${MONGO_ROOT:="/var/lib/dokku/services/mongo"}
 export MONGO_HOST_ROOT=${MONGO_HOST_ROOT:=$MONGO_ROOT}
 
+export PLUGIN_UNIMPLEMENTED_SUBCOMMANDS=()
 export PLUGIN_COMMAND_PREFIX="mongo"
 export PLUGIN_CONFIG_ROOT=${PLUGIN_CONFIG_ROOT:="$DOKKU_LIB_ROOT/config/$PLUGIN_COMMAND_PREFIX"}
 export PLUGIN_DATA_ROOT=$MONGO_ROOT

functions

@@ -29,7 +29,7 @@ service_create() {
 
   service_parse_args "${@:2}"
 
-  if ! docker images | grep -e "^$PLUGIN_IMAGE " | grep -q " $PLUGIN_IMAGE_VERSION " ; then
+  if ! service_image_exists "$SERVICE"; then
     if [[ "$PLUGIN_DISABLE_PULL" == "true" ]]; then
       dokku_log_warn "${PLUGIN_DISABLE_PULL_VARIABLE} environment variable detected. Not running pull command." 1>&2
       dokku_log_warn "   docker pull ${IMAGE}" 1>&2
@@ -136,9 +136,8 @@ service_start() {
     return 0
   fi
 
-  dokku_log_info1_quiet "Starting container"
+  dokku_log_info2_quiet "Starting container"
   local PREVIOUS_ID=$(docker ps -f status=exited | grep -e "$SERVICE_NAME$" | awk '{print $1}') || true
-  local IMAGE_EXISTS=$(docker images | grep -e "^$PLUGIN_IMAGE " | grep -q " $PLUGIN_IMAGE_VERSION " && true)
   local ROOTPASSWORD="$(cat "$SERVICE_ROOT/ROOTPASSWORD")"
   local PASSWORD="$(cat "$SERVICE_ROOT/PASSWORD")"
 
@@ -146,7 +145,7 @@ service_start() {
     docker start "$PREVIOUS_ID" > /dev/null
     service_port_unpause "$SERVICE"
     dokku_log_info2 "Container started"
-  elif $IMAGE_EXISTS && [[ -n "$ROOTPASSWORD" ]] && [[ -n "$PASSWORD" ]]; then
+  elif service_image_exists "$SERVICE" && [[ -n "$ROOTPASSWORD" ]] && [[ -n "$PASSWORD" ]]; then
     service_create_container "$SERVICE"
   else
     dokku_log_verbose_quiet "Neither container nor valid configuration exists for $SERVICE"
@@ -157,6 +156,6 @@ service_url() {
   local SERVICE="$1"
   local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
   local PASSWORD="$(cat "$SERVICE_ROOT/PASSWORD")"
-  local SERVICE_ALIAS="$(service_alias "$SERVICE")"
-  echo "$PLUGIN_SCHEME://$SERVICE:$PASSWORD@$SERVICE_ALIAS:${PLUGIN_DATASTORE_PORTS[0]}/$SERVICE"
+  local SERVICE_DNS_HOSTNAME="$(service_dns_hostname "$SERVICE")"
+  echo "$PLUGIN_SCHEME://$SERVICE:$PASSWORD@$SERVICE_DNS_HOSTNAME:${PLUGIN_DATASTORE_PORTS[0]}/$SERVICE"
 }

help-functions

@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/config"
 set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
-
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common-functions"
 export SUBCOMMAND_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/subcommands"
 
 fn-help() {
@@ -83,7 +84,7 @@ fn-help-contents-subcommand() {
   cat "$SUBCOMMAND_ROOT/$SUBCOMMAND" > "$UNCLEAN_FILE"
 
   fn-help-subcommand-sanitize "$UNCLEAN_FILE" "$CLEAN_FILE"
-  if [[ "$(fn-help-is-subcommand-unimplemented "$CLEAN_FILE")" == true ]]; then
+  if ! is_implemented_command "$SUBCOMMAND"; then
     return 1
   fi
 
@@ -138,18 +139,6 @@ fn-help-contents-subcommand() {
   return 0
 }
 
-fn-help-is-subcommand-unimplemented() {
-  declare FUNC_FILE="$1"
-  local UNIMPLEMENTED
-
-  UNIMPLEMENTED="$(grep "Not yet implemented" "$FUNC_FILE" | head -1 || true)"
-  if [[ -n "$UNIMPLEMENTED" ]]; then
-    echo true
-  else
-    echo false
-  fi
-}
-
 fn-help-list-example() {
   # shellcheck disable=SC2034
   declare desc="return $PLUGIN_COMMAND_PREFIX plugin help content"

plugin.toml

@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku mongo service plugin"
-version = "1.2.1"
+version = "1.4.3"
 [plugin.config]

subcommands/app-links

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+source "$(dirname "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)")/config"
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
+source "$PLUGIN_BASE_PATH/common/functions"
+source "$(dirname "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)")/functions"
+
+service-app-links-cmd() {
+  #E list all $PLUGIN_COMMAND_PREFIX services that are linked to the 'playground' app.
+  #E dokku $PLUGIN_COMMAND_PREFIX:app-links playground
+  #A app, app to run command against
+  declare desc="list all $PLUGIN_SERVICE service links for a given app"
+  local cmd="$PLUGIN_COMMAND_PREFIX:app-links" argv=("$@"); [[ ${argv[0]} == "$cmd" ]] && shift 1
+  declare APP="$1"
+  APP=${APP:="$DOKKU_APP_NAME"}
+
+  [[ -z "$APP" ]] && dokku_log_fail "Please specify an app to run the command on"
+  verify_app_name "$APP"
+  service_app_links "$APP"
+}
+
+service-app-links-cmd "$@"

subcommands/backup

@@ -7,12 +7,13 @@ source "$(dirname "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)")/functions"
 service-backup-cmd() {
   #E backup the 'lolipop' service to the 'my-s3-bucket' bucket on AWS
   #E dokku $PLUGIN_COMMAND_PREFIX:backup lolipop my-s3-bucket --use-iam
-  #F -i|--use-iam, use the IAM profile associated with the current server
+  #F -u|--use-iam, use the IAM profile associated with the current server
   #A service, service to run command against
   #A bucket-name, name of the s3 bucket to upload backups to
   declare desc="creates a backup of the $PLUGIN_SERVICE service to an existing s3 bucket"
   local cmd="$PLUGIN_COMMAND_PREFIX:backup" argv=("$@"); [[ ${argv[0]} == "$cmd" ]] && shift 1
   declare SERVICE="$1" BUCKET_NAME="$2" USE_IAM_OPTIONAL_FLAG="$3"
+  is_implemented_command "$cmd" || dokku_log_fail "Not yet implemented"
 
   [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a name for the service"
   [[ -z "$BUCKET_NAME" ]] && dokku_log_fail "Please specify an aws bucket for the backup"

subcommands/backup-auth

@@ -22,6 +22,7 @@ service-backup-auth-cmd() {
   declare desc="sets up authentication for backups on the $PLUGIN_SERVICE service"
   local cmd="$PLUGIN_COMMAND_PREFIX:backup-auth" argv=("$@"); [[ ${argv[0]} == "$cmd" ]] && shift 1
   declare SERVICE="$1" AWS_ACCESS_KEY_ID="$2" AWS_SECRET_ACCESS_KEY="$3" AWS_DEFAULT_REGION="$4" AWS_SIGNATURE_VERSION="$5" ENDPOINT_URL="$6"
+  is_implemented_command "$cmd" || dokku_log_fail "Not yet implemented"
 
   [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a name for the service"
   [[ -z "$AWS_ACCESS_KEY_ID" ]] && dokku_log_fail "Please specify an aws access key id"

subcommands/backup-deauth

@@ -11,6 +11,7 @@ service-backup-deauth-cmd() {
   declare desc="removes backup authentication for the $PLUGIN_SERVICE service"
   local cmd="$PLUGIN_COMMAND_PREFIX:backup-deauth" argv=("$@"); [[ ${argv[0]} == "$cmd" ]] && shift 1
   declare SERVICE="$1"
+  is_implemented_command "$cmd" || dokku_log_fail "Not yet implemented"
 
   [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a name for the service"
   verify_service_name "$SERVICE"

subcommands/backup-schedule

@@ -7,19 +7,23 @@ source "$(dirname "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)")/functions"
 service-backup-schedule-cmd() {
   #E schedule a backup
   #E > 'schedule' is a crontab expression, eg. "0 3 * * *" for each day at 3am
-  #E dokku $PLUGIN_COMMAND_PREFIX:backup-deauth lolipop "0 3 * * *" my-s3-bucket
+  #E dokku $PLUGIN_COMMAND_PREFIX:backup-schedule lolipop "0 3 * * *" my-s3-bucket
+  #E schedule a backup and authenticate via iam
+  #E dokku $PLUGIN_COMMAND_PREFIX:backup-schedule lolipop "0 3 * * *" my-s3-bucket --use-iam
+  #F -u|--use-iam, use the IAM profile associated with the current server
   #A service, service to run command against
   #A schedule, a cron schedule to run backups on
   #A bucket-name, name of the s3 bucket to upload backups to
   declare desc="schedules a backup of the $PLUGIN_SERVICE service"
   local cmd="$PLUGIN_COMMAND_PREFIX:backup-schedule" argv=("$@"); [[ ${argv[0]} == "$cmd" ]] && shift 1
-  declare SERVICE="$1" SCHEDULE="$2" BUCKET_NAME="$3"
+  declare SERVICE="$1" SCHEDULE="$2" BUCKET_NAME="$3" USE_IAM_OPTIONAL_FLAG="$4"
+  is_implemented_command "$cmd" || dokku_log_fail "Not yet implemented"
 
   [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a name for the service"
   [[ -z "$SCHEDULE" ]] && dokku_log_fail "Please specify a schedule for the backup"
   [[ -z "$BUCKET_NAME" ]] && dokku_log_fail "Please specify an aws bucket for the backup"
   verify_service_name "$SERVICE"
-  service_backup_schedule "$SERVICE" "$SCHEDULE" "$BUCKET_NAME"
+  service_backup_schedule "$SERVICE" "$SCHEDULE" "$BUCKET_NAME" "$USE_IAM_OPTIONAL_FLAG"
 }
 
 service-backup-schedule-cmd "$@"

subcommands/backup-set-encryption

@@ -12,6 +12,7 @@ service-backup-set-encryption-cmd() {
   declare desc="sets encryption for all future backups of $PLUGIN_SERVICE service"
   local cmd="$PLUGIN_COMMAND_PREFIX:backup-set-encryption" argv=("$@"); [[ ${argv[0]} == "$cmd" ]] && shift 1
   declare SERVICE="$1" ENCRYPTION_KEY="$2"
+  is_implemented_command "$cmd" || dokku_log_fail "Not yet implemented"
 
   [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a name for the service"
   [[ -z "$ENCRYPTION_KEY" ]] && dokku_log_fail "Please specify a GPG encryption key"

subcommands/backup-unschedule

@@ -11,6 +11,7 @@ service-backup-unschedule-cmd() {
   declare desc="unschedules the backup of the $PLUGIN_SERVICE service"
   local cmd="$PLUGIN_COMMAND_PREFIX:backup-unschedule" argv=("$@"); [[ ${argv[0]} == "$cmd" ]] && shift 1
   declare SERVICE="$1"
+  is_implemented_command "$cmd" || dokku_log_fail "Not yet implemented"
 
   [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a name for the service"
   verify_service_name "$SERVICE"

subcommands/backup-unset-encryption

@@ -11,6 +11,7 @@ service-backup-unset-encryption-cmd() {
   declare desc="unsets encryption for future backups of the $PLUGIN_SERVICE service"
   local cmd="$PLUGIN_COMMAND_PREFIX:backup-unset-encryption" argv=("$@"); [[ ${argv[0]} == "$cmd" ]] && shift 1
   declare SERVICE="$1"
+  is_implemented_command "$cmd" || dokku_log_fail "Not yet implemented"
 
   [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a name for the service"
   verify_service_name "$SERVICE"

subcommands/clone

@@ -9,21 +9,34 @@ service-clone-cmd() {
   #E dokku $PLUGIN_COMMAND_PREFIX:clone lolipop lolipop-2
   #A service, service to run command against
   #A new-service, name of new service
+  #F -C|--custom-env "USER=alpha;HOST=beta", semi-colon delimited environment variables to start the service with
+  #F -i|--image IMAGE, the image name to start the service with
+  #F -I|--image-version IMAGE_VERSION, the image version to start the service with
+  #F -p|--password PASSWORD, override the user-level service password
+  #F -r|--root-password PASSWORD, override the root-level service password
   declare desc="create container <new-name> then copy data from <name> into <new-name>"
   local cmd="$PLUGIN_COMMAND_PREFIX:clone" argv=("$@"); [[ ${argv[0]} == "$cmd" ]] && shift 1
   declare SERVICE="$1" NEW_SERVICE="$2" CLONE_FLAGS_LIST="${@:3}"
+  is_implemented_command "$cmd" || dokku_log_fail "Not yet implemented"
 
   [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a name for the service"
   [[ -z "$NEW_SERVICE" ]] && dokku_log_fail "Please specify a name for the new service"
   verify_service_name "$SERVICE"
 
+  local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
+  local ID="$(cat "$SERVICE_ROOT/ID")"
+  is_container_status "$ID" "Running" || dokku_log_fail "Service ${SERVICE} container is not running"
+
   PLUGIN_IMAGE=$(service_version "$SERVICE" |  grep -o "^.*:" | sed -r "s/://g")
   PLUGIN_IMAGE_VERSION=$(service_version "$SERVICE" |  grep -o ":.*$" | sed -r "s/://g")
 
+  service_parse_args "${@:3}"
+
+  dokku_log_info2 "Cloning $SERVICE to $NEW_SERVICE @ $PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION"
   service_create "$NEW_SERVICE" "${@:3}"
   dokku_log_info1 "Copying data from $SERVICE to $NEW_SERVICE"
   service_export "$SERVICE" | service_import "$NEW_SERVICE" > /dev/null 2>&1 || true
-  dokku_log_info1 "Done"
+  dokku_log_info2 "Done"
 }
 
 service-clone-cmd "$@"

subcommands/connect

@@ -8,9 +8,10 @@ service-connect-cmd() {
   #E connect to the service via the $PLUGIN_COMMAND_PREFIX connection tool
   #E dokku $PLUGIN_COMMAND_PREFIX:connect lolipop
   #A service, service to run command against
-  declare desc="connect via mongo to a $PLUGIN_SERVICE service"
+  declare desc="connect to the service via the $PLUGIN_COMMAND_PREFIX connection tool"
   local cmd="$PLUGIN_COMMAND_PREFIX:connect" argv=("$@"); [[ ${argv[0]} == "$cmd" ]] && shift 1
   declare SERVICE="$1"
+  is_implemented_command "$cmd" || dokku_log_fail "Not yet implemented"
 
   [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a name for the service"
   verify_service_name "$SERVICE"

subcommands/create

@@ -17,9 +17,9 @@ service-create-cmd() {
   #E export ${PLUGIN_DEFAULT_ALIAS}_CUSTOM_ENV="USER=alpha;HOST=beta"
   #E dokku $PLUGIN_COMMAND_PREFIX:create lolipop
   #A service, service to run command against
-  #F -c|--custom-env "USER=alpha;HOST=beta", semi-colon delimited environment variables to start the service with
+  #F -C|--custom-env "USER=alpha;HOST=beta", semi-colon delimited environment variables to start the service with
   #F -i|--image IMAGE, the image name to start the service with
-  #F -i|--image-version IMAGE_VERSION, the image version to start the service with
+  #F -I|--image-version IMAGE_VERSION, the image version to start the service with
   #F -p|--password PASSWORD, override the user-level service password
   #F -r|--root-password PASSWORD, override the root-level service password
   declare desc="create a $PLUGIN_SERVICE service"

subcommands/destroy

@@ -37,7 +37,7 @@ service-destroy-cmd() {
     fi
   fi
 
-  dokku_log_info1 "Deleting $SERVICE"
+  dokku_log_info2_quiet "Deleting $SERVICE"
   if [[ -n $(docker ps -aq -f name="$SERVICE_NAME") ]]; then
     dokku_log_verbose_quiet "Deleting container data"
     service_stop "$SERVICE"
@@ -51,7 +51,7 @@ service-destroy-cmd() {
   fi
 
   dokku_log_verbose_quiet "Removing data"
-  docker run --rm -v "$SERVICE_HOST_ROOT/data:/data" -v "$SERVICE_HOST_ROOT/config:/config" "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" chmod 777 -R /config /data
+  docker run --rm -v "$SERVICE_HOST_ROOT/data:/data" -v "$SERVICE_HOST_ROOT/config:/config" busybox chmod 777 -R /config /data
   rm -rf "$SERVICE_ROOT"
 
   dokku_log_info2 "$PLUGIN_SERVICE container deleted: $SERVICE"

subcommands/export

@@ -13,6 +13,7 @@ service-export-cmd() {
   declare desc="export a dump of the $PLUGIN_SERVICE service database"
   local cmd="$PLUGIN_COMMAND_PREFIX:export" argv=("$@"); [[ ${argv[0]} == "$cmd" ]] && shift 1
   declare SERVICE="$1"
+  is_implemented_command "$cmd" || dokku_log_fail "Not yet implemented"
 
   [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a name for the service"
   verify_service_name "$SERVICE"

subcommands/import

@@ -11,6 +11,7 @@ service-import-cmd() {
   declare desc="import a dump into the $PLUGIN_SERVICE service database"
   local cmd="$PLUGIN_COMMAND_PREFIX:import" argv=("$@"); [[ ${argv[0]} == "$cmd" ]] && shift 1
   declare SERVICE="$1"
+  is_implemented_command "$cmd" || dokku_log_fail "Not yet implemented"
 
   [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a name for the service"
   verify_service_name "$SERVICE"

subcommands/link

@@ -39,15 +39,19 @@ service-link-cmd() {
   #E     ${PLUGIN_SCHEME}2://lolipop:SOME_PASSWORD@dokku-${PLUGIN_COMMAND_PREFIX}-lolipop:${PLUGIN_DATASTORE_PORTS[0]}/lolipop
   #A service, service to run command against
   #A app, app to run command against
+  #F -a|--alias "BLUE_DATABASE", an alternative alias to use for linking to an app via environment variable
+  #F -q|--querystring "pool=5", ampersand delimited querystring arguments to append to the service link
   declare desc="link the $PLUGIN_SERVICE service to the app"
   local cmd="$PLUGIN_COMMAND_PREFIX:link" argv=("$@"); [[ ${argv[0]} == "$cmd" ]] && shift 1
-  declare SERVICE="$1" APP="$2"
+  declare SERVICE="$1" APP="$2" LINK_FLAGS_LIST="${@:3}"
   APP=${APP:="$DOKKU_APP_NAME"}
 
   [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a name for the service"
   [[ -z "$APP" ]] && dokku_log_fail "Please specify an app to run the command on"
   verify_app_name "$APP"
   verify_service_name "$SERVICE"
+
+  service_parse_args "${@:3}"
   service_link "$SERVICE" "$APP"
 }
 

subcommands/upgrade

@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+source "$(dirname "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)")/config"
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
+source "$PLUGIN_BASE_PATH/common/functions"
+source "$(dirname "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)")/functions"
+source "$PLUGIN_AVAILABLE_PATH/ps/functions"
+
+service-upgrade-cmd() {
+  #E you can upgrade an existing service to a new image or image-version
+  #E dokku $PLUGIN_COMMAND_PREFIX:upgrade lolipop
+  #A service, service to run command against
+  #F -C|--custom-env "USER=alpha;HOST=beta", semi-colon delimited environment variables to start the service with
+  #F -i|--image IMAGE, the image name to start the service with
+  #F -I|--image-version IMAGE_VERSION, the image version to start the service with
+  #F -R|--restart-apps "true", whether to force an app restart
+  declare desc="upgrade service <service> to the specified versions"
+  local cmd="$PLUGIN_COMMAND_PREFIX:upgrade" argv=("$@"); [[ ${argv[0]} == "$cmd" ]] && shift 1
+  declare SERVICE="$1" UPGRADE_FLAG_LIST="${@:2}"
+
+  [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a name for the service"
+  verify_service_name "$SERVICE"
+
+  local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
+  local ID="$(cat "$SERVICE_ROOT/ID")"
+  is_container_status "$ID" "Running" || dokku_log_fail "Service ${SERVICE} container is not running"
+
+  service_parse_args "${@:2}"
+
+  if ! service_image_exists "$SERVICE"; then
+    dokku_log_fail "Unable to proceed with upgrade, image ${PLUGIN_IMAGE}:${PLUGIN_IMAGE_VERSION} does not exist"
+  fi
+
+  dokku_log_info2 "Upgrading $SERVICE to $PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION"
+  if [[ "$SERVICE_RESTART_APPS" == "true" ]]; then
+    dokku_log_info2 "Stopping all linked services"
+    for app in $(service_linked_apps "$SERVICE"); do
+      ps_stop "$app"
+    done
+  fi
+
+  dokku_log_info2 "Stopping $SERVICE"
+  service_container_rm "$SERVICE"
+  service_start "$SERVICE" "${@:2}"
+
+  if [[ "$SERVICE_RESTART_APPS" == "true" ]]; then
+    dokku_log_info2 "Starting all linked services"
+    for app in $(service_linked_apps "$SERVICE"); do
+      ps_start "$app"
+    done
+  fi
+
+  dokku_log_info2 "Done"
+}
+
+service-upgrade-cmd "$@"

tests/service_link.bats

@@ -68,3 +68,18 @@ teardown() {
   assert_contains "$url" "mongodb2://l:$password@dokku-mongo-l:27017/l"
   dokku "$PLUGIN_COMMAND_PREFIX:unlink" l my_app
 }
+
+@test "($PLUGIN_COMMAND_PREFIX:link) adds a querystring" {
+  dokku "$PLUGIN_COMMAND_PREFIX:link" l my_app --querystring "pool=5"
+  url=$(dokku config:get my_app MONGO_URL)
+  assert_contains "$url" "?pool=5"
+  dokku "$PLUGIN_COMMAND_PREFIX:unlink" l my_app
+}
+
+@test "($PLUGIN_COMMAND_PREFIX:link) uses a specified config url when alias is specified" {
+  dokku "$PLUGIN_COMMAND_PREFIX:link" l my_app --alias "ALIAS"
+  url=$(dokku config:get my_app ALIAS_URL)
+  password="$(cat "$PLUGIN_DATA_ROOT/l/PASSWORD")"
+  assert_contains "$url" "mongodb://l:$password@dokku-mongo-l:27017/l"
+  dokku "$PLUGIN_COMMAND_PREFIX:unlink" l my_app
+}

tests/service_logs.bats

@@ -24,11 +24,11 @@ teardown() {
 @test "($PLUGIN_COMMAND_PREFIX:logs) success when not tailing" {
   export ECHO_DOCKER_COMMAND="true"
   run dokku "$PLUGIN_COMMAND_PREFIX:logs" l
-  assert_output "docker logs --tail 100 testid"
+  assert_contains "docker logs --tail 100 testid"
 }
 
 @test "($PLUGIN_COMMAND_PREFIX:logs) success when tailing" {
   export ECHO_DOCKER_COMMAND="true"
   run dokku "$PLUGIN_COMMAND_PREFIX:logs" l -t
-  assert_output "docker logs --follow testid"
+  assert_contains "docker logs --follow testid"
 }