Release 1.21.0

This will allow other plugins to iterate over the services exposed by a plugin and instantiate whatever is necessary for those services.

.devcontainer/20_init_plugin

@@ -18,7 +18,7 @@ main() {
   # built in the Dockerfile
   PLUGIN_NAME="$(source /tmp/.env && echo "$PLUGIN_NAME")"
   PLUGIN_VARIABLE="$(source /tmp/.env && echo "$PLUGIN_VARIABLE")"
-  echo "export ${PLUGIN_VARIABLE}_HOST_ROOT=${SERVICE_HOST_ROOT}/$PLUGIN_NAME" > /etc/default/dokku
+  echo "export ${PLUGIN_VARIABLE}_HOST_ROOT=${SERVICE_HOST_ROOT}/$PLUGIN_NAME" >/etc/default/dokku
 }
 
-main "$@"
+main "$@"

Dockerfile

@@ -1 +1 @@
-FROM mongo:5.0.3
+FROM mongo:5.0.9

README.md

@@ -1,6 +1,6 @@
 # dokku mongo [![Build Status](https://img.shields.io/github/workflow/status/dokku/dokku-mongo/CI/master?style=flat-square "Build Status")](https://github.com/dokku/dokku-mongo/actions/workflows/ci.yml?query=branch%3Amaster) [![IRC Network](https://img.shields.io/badge/irc-libera-blue.svg?style=flat-square "IRC Libera")](https://webchat.libera.chat/?channels=dokku)
 
-Official mongo plugin for dokku. Currently defaults to installing [mongo 5.0.2](https://hub.docker.com/_/mongo/).
+Official mongo plugin for dokku. Currently defaults to installing [mongo 5.0.9](https://hub.docker.com/_/mongo/).
 
 ## Requirements
 
@@ -41,7 +41,7 @@ mongo:link <service> <app> [--link-flags...]       # link the mongo service to t
 mongo:linked <service> <app>                       # check if the mongo service is linked to an app
 mongo:links <service>                              # list all apps linked to the mongo service
 mongo:list                                         # list all mongo services
-mongo:logs <service> [-t|--tail]                   # print the most recent log(s) for this service
+mongo:logs <service> [-t|--tail] <tail-num-optional> # print the most recent log(s) for this service
 mongo:promote <service> <app>                      # promote service <service> as MONGO_URL in <app>
 mongo:restart <service>                            # graceful shutdown and restart of the mongo service container
 mongo:start <service>                              # start a previously stopped mongo service
@@ -70,7 +70,7 @@ flags:
 - `-C|--custom-env "USER=alpha;HOST=beta"`: semi-colon delimited environment variables to start the service with
 - `-i|--image IMAGE`: the image name to start the service with
 - `-I|--image-version IMAGE_VERSION`: the image version to start the service with
-- `-m|--memory MEMORY`: container memory limit (default: unlimited)
+- `-m|--memory MEMORY`: container memory limit in megabytes (default: unlimited)
 - `-p|--password PASSWORD`: override the user-level service password
 - `-r|--root-password PASSWORD`: override the root-level service password
 - `-s|--shm-size SHM_SIZE`: override shared memory size for mongo docker container
@@ -154,12 +154,12 @@ dokku mongo:list
 
 ```shell
 # usage
-dokku mongo:logs <service> [-t|--tail]
+dokku mongo:logs <service> [-t|--tail] <tail-num-optional>
 ```
 
 flags:
 
-- `-t|--tail`: do not stop when end of the logs are reached and wait for additional output
+- `-t|--tail [<tail-num>]`: do not stop when end of the logs are reached and wait for additional output
 
 You can tail logs for a particular service:
 
@@ -173,6 +173,12 @@ By default, logs will not be tailed, but you can do this with the --tail flag:
 dokku mongo:logs lollipop --tail
 ```
 
+The default tail setting is to show all logs, but an initial count can also be specified:
+
+```shell
+dokku mongo:logs lollipop --tail 5
+```
+
 ### link the mongo service to the app
 
 ```shell
@@ -436,7 +442,7 @@ flags:
 - `-C|--custom-env "USER=alpha;HOST=beta"`: semi-colon delimited environment variables to start the service with
 - `-i|--image IMAGE`: the image name to start the service with
 - `-I|--image-version IMAGE_VERSION`: the image version to start the service with
-- `-m|--memory MEMORY`: container memory limit (default: unlimited)
+- `-m|--memory MEMORY`: container memory limit in megabytes (default: unlimited)
 - `-p|--password PASSWORD`: override the user-level service password
 - `-r|--root-password PASSWORD`: override the root-level service password
 - `-s|--shm-size SHM_SIZE`: override shared memory size for mongo docker container

commands

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/config"
 [[ " help $PLUGIN_COMMAND_PREFIX:help $PLUGIN_COMMAND_PREFIX $PLUGIN_COMMAND_PREFIX:default " == *" $1 "* ]] || [[ "$1" == "$PLUGIN_COMMAND_PREFIX:"* ]] || exit "$DOKKU_NOT_IMPLEMENTED_EXIT"
-source "$PLUGIN_BASE_PATH/common/functions"
+source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
 set -eo pipefail
 [[ $DOKKU_TRACE ]] && set -x
 

common-functions

@@ -16,6 +16,73 @@ add_to_links_file() {
   sort "$LINKS_FILE" -u -o "$LINKS_FILE"
 }
 
+auth_service_filter() {
+  declare desc="calls user-service plugin trigger"
+  declare SERVICES=("$@")
+  local user_auth_count
+
+  if [[ "${#SERVICES[@]}" -eq 0 ]]; then
+    return
+  fi
+
+  user_auth_count="$(find "$PLUGIN_PATH"/enabled/*/user-auth-service 2>/dev/null | wc -l)"
+
+  # no plugin trigger exists
+  if [[ $user_auth_count == 0 ]]; then
+    # echo out all the services since there is no plugin trigger
+    for SERVICE in "${SERVICES[@]}"; do
+      [[ -n "$SERVICE" ]] && echo "$SERVICE"
+    done
+    return 0
+  fi
+
+  # this plugin trigger exists in the core `20_events` plugin
+  if [[ "$user_auth_count" == 1 ]] && [[ -f "$PLUGIN_PATH"/enabled/20_events/user-auth-service ]]; then
+    # echo out all the services since there is no valid plugin trigger
+    for SERVICE in "${SERVICES[@]}"; do
+      [[ -n "$SERVICE" ]] && echo "$SERVICE"
+    done
+    return 0
+  fi
+
+  export SSH_USER=${SSH_USER:=$USER}
+  export SSH_NAME=${NAME:="default"}
+  # the output of this trigger should be all the services a user has access to
+  plugn trigger user-auth-service "$SSH_USER" "$SSH_NAME" "$PLUGIN_COMMAND_PREFIX" "${SERVICES[@]}"
+}
+
+fn-services-list() {
+  declare desc="prints a filtered list of all local apps"
+  declare FILTER="$1"
+  local services=()
+
+  pushd "$PLUGIN_DATA_ROOT" >/dev/null
+  for f in *; do
+    [[ -d $f ]] || continue
+    services+=("$f")
+  done
+  popd &>/dev/null || pushd "/tmp" >/dev/null
+
+  if [[ "${#services[@]}" -eq 0 ]]; then
+    return
+  fi
+
+  if [[ "$FILTER" == "false" ]]; then
+    for service in "${services[@]}"; do
+      if [[ -n "$service" ]]; then
+        echo "$service"
+      fi
+    done
+    return
+  fi
+
+  for service in $(auth_service_filter "${services[@]}" 2>/dev/null); do
+    if [[ -n "$service" ]]; then
+      echo "$service"
+    fi
+  done
+}
+
 docker_ports_options() {
   declare desc="export a list of exposed ports"
   declare PORTS=("$@")
@@ -36,7 +103,7 @@ get_database_name() {
   local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
 
   if [[ ! -f "$SERVICE_ROOT/DATABASE_NAME" ]]; then
-    echo "$SERVICE" > "$SERVICE_ROOT/DATABASE_NAME"
+    echo "$SERVICE" >"$SERVICE_ROOT/DATABASE_NAME"
   fi
 
   cat "$SERVICE_ROOT/DATABASE_NAME"
@@ -177,12 +244,14 @@ service_alternative_alias() {
 service_app_links() {
   declare desc="output all service links for a given app"
   declare APP="$1"
-  local SERVICE LINKED_APP
+  local LINKED_APP SERVICE SERVICE_ROOT
 
-  pushd "$PLUGIN_DATA_ROOT" >/dev/null
-  for SERVICE in *; do
-    [[ -f "$SERVICE/LINKS" ]] || continue
-    for LINKED_APP in $(<"$SERVICE/LINKS"); do
+  for SERVICE in $(fn-services-list true); do
+    [[ -n "$SERVICE" ]] || continue
+
+    SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
+    [[ -f "$SERVICE_ROOT/LINKS" ]] || continue
+    for LINKED_APP in $(<"$SERVICE_ROOT/LINKS"); do
       if [[ "$LINKED_APP" == "$APP" ]]; then
         echo "$SERVICE"
       fi
@@ -248,7 +317,6 @@ service_commit_config() {
   local CONFIG_VARIABLE="${PLUGIN_VARIABLE}_CONFIG_OPTIONS"
   local ENV_VARIABLE="${PLUGIN_VARIABLE}_CUSTOM_ENV"
 
-
   custom_env="${!ENV_VARIABLE}"
   [[ -n "$SERVICE_CUSTOM_ENV" ]] && custom_env="$SERVICE_CUSTOM_ENV"
   if [[ -n $custom_env ]]; then
@@ -411,6 +479,14 @@ service_enter() {
   docker exec $DOKKU_RUN_OPTS $ID $EXEC_CMD "${@:-/bin/bash}"
 }
 
+service_exists() {
+  declare desc="returns 0 or 1 depending on whether service exists or not"
+  declare SERVICE="$1"
+  [[ -z "$SERVICE" ]] && return 1
+  [[ -d "$PLUGIN_DATA_ROOT/$SERVICE" ]] && return 0
+  return 1
+}
+
 service_exposed_ports() {
   declare desc="list exposed ports for a service"
   declare SERVICE="$1"
@@ -451,7 +527,7 @@ service_info() {
 
   local flag_map=(
     "--config-dir: ${SERVICE_ROOT}/${PLUGIN_CONFIG_SUFFIX}"
-    "--config-options: $(cat "$SERVICE_ROOT/CONFIG_OPTIONS")"
+    "--config-options: $(cat "$SERVICE_ROOT/CONFIG_OPTIONS" 2>/dev/null || true)"
     "--data-dir: ${SERVICE_ROOT}/data"
     "--dsn: ${SERVICE_URL}"
     "--exposed-ports: $(service_exposed_ports "$SERVICE")"
@@ -463,7 +539,7 @@ service_info() {
     "--version: $(service_version "$SERVICE")"
   )
   if [[ -z "$INFO_FLAG" ]]; then
-    dokku_log_info2 "$SERVICE $PLUGIN_COMMAND_PREFIX service information"
+    dokku_log_info2_quiet "$SERVICE $PLUGIN_COMMAND_PREFIX service information"
     for flag in "${flag_map[@]}"; do
       key="$(echo "${flag#--}" | cut -f1 -d' ' | tr - ' ')"
       dokku_log_verbose "$(printf "%-20s %-25s" "${key^}" "${flag#*: }")"
@@ -521,7 +597,7 @@ service_link() {
   fi
 
   [[ -n $LINK ]] && dokku_log_fail "Already linked as $LINK"
-  plugn trigger service-action pre-link "$SERVICE" "$APP"
+  plugn trigger service-action pre-link "$PLUGIN_COMMAND_PREFIX" "$SERVICE" "$APP"
   add_to_links_file "$SERVICE" "$APP"
 
   if declare -f -F add_passed_docker_option >/dev/null; then
@@ -532,9 +608,13 @@ service_link() {
     dokku docker-options:add "$APP" build,deploy,run "--link $SERVICE_NAME:$SERVICE_DNS_HOSTNAME"
   fi
   [[ -n "$SERVICE_QUERYSTRING" ]] && SERVICE_URL="${SERVICE_URL}?${SERVICE_QUERYSTRING}"
-  plugn trigger service-action post-link "$SERVICE" "$APP"
-  config_set "$APP" "${ALIAS}_URL=$SERVICE_URL"
-  plugn trigger service-action post-link-complete "$SERVICE" "$APP"
+  plugn trigger service-action post-link "$PLUGIN_COMMAND_PREFIX" "$SERVICE" "$APP"
+  if [[ "$DOKKU_GLOBAL_FLAGS" == *"--no-restart"* ]]; then
+    config_set --no-restart "$APP" "${ALIAS}_URL=$SERVICE_URL"
+  else
+    config_set "$APP" "${ALIAS}_URL=$SERVICE_URL"
+  fi
+  plugn trigger service-action post-link-complete "$PLUGIN_COMMAND_PREFIX" "$SERVICE" "$APP"
 }
 
 service_linked_apps() {
@@ -563,29 +643,29 @@ service_links() {
 
 service_list() {
   declare desc="list all services and their status"
-  local SERVICES=$(ls "$PLUGIN_DATA_ROOT" 2>/dev/null)
 
-  if [[ -z $SERVICES ]]; then
+  mapfile -t services < <(fn-services-list true)
+  if [[ "${#services[@]}" -eq 0 ]] || [[ -z "$services" ]]; then
     dokku_log_warn "There are no $PLUGIN_SERVICE services"
     return
   fi
 
   dokku_log_info2_quiet "$PLUGIN_SERVICE services"
-  for SERVICE in $SERVICES; do
-    echo "$SERVICE"
+  for service in "${services[@]}"; do
+    echo "${service}"
   done
 }
 
 service_logs() {
   declare desc="display logs for a service"
-  declare SERVICE="$1" TAIL_FLAG="$2"
+  declare SERVICE="$1" TAIL_FLAG="$2" TAIL_COUNT="$3"
   local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
   local ID=$(cat "$SERVICE_ROOT/ID")
   local RE_INTEGER='^[0-9]+$'
 
-  DOKKU_LOGS_ARGS="--tail 100"
+  DOKKU_LOGS_ARGS="--tail $TAIL_COUNT"
   if [[ "$TAIL_FLAG" == "-t" ]] || [[ "$TAIL_FLAG" == "--tail" ]]; then
-    DOKKU_LOGS_ARGS="--follow"
+    DOKKU_LOGS_ARGS+=" --follow"
   fi
 
   docker inspect "$ID" &>/dev/null || dokku_log_fail "Service container does not exist"
@@ -844,7 +924,7 @@ service_unlink() {
   local SERVICE_DNS_HOSTNAME=$(service_dns_hostname "$SERVICE")
   local LINK=($(echo "$EXISTING_CONFIG" | grep "$SERVICE_URL" | cut -d: -f1)) || true
 
-  plugn trigger service-action pre-unlink "$SERVICE" "$APP"
+  plugn trigger service-action pre-unlink "$PLUGIN_COMMAND_PREFIX" "$SERVICE" "$APP"
   remove_from_links_file "$SERVICE" "$APP"
 
   if declare -f -F add_passed_docker_option >/dev/null; then
@@ -856,9 +936,13 @@ service_unlink() {
   fi
 
   [[ -z ${LINK[*]} ]] && dokku_log_fail "Not linked to app $APP"
-  plugn trigger service-action post-unlink "$SERVICE" "$APP"
-  config_unset "$APP" "${LINK[@]}"
-  plugn trigger service-action post-unlink-complete "$SERVICE" "$APP"
+  plugn trigger service-action post-unlink "$PLUGIN_COMMAND_PREFIX" "$SERVICE" "$APP"
+  if [[ "$DOKKU_GLOBAL_FLAGS" == *"--no-restart"* ]]; then
+    config_unset --no-restart "$APP" "${LINK[@]}"
+  else
+    config_unset "$APP" "${LINK[@]}"
+  fi
+  plugn trigger service-action post-unlink-complete "$PLUGIN_COMMAND_PREFIX" "$SERVICE" "$APP"
 }
 
 service_version() {
@@ -879,9 +963,21 @@ update_plugin_scheme_for_app() {
 
 verify_service_name() {
   declare desc="verify that a service exists"
-  declare SERVICE="$1"
-  [[ -z "$SERVICE" ]] && dokku_log_fail "(verify_service_name) SERVICE must not be null"
-  [[ ! -d "$PLUGIN_DATA_ROOT/$SERVICE" ]] && dokku_log_fail "$PLUGIN_SERVICE service $SERVICE does not exist"
+  declare SERVICE="$@"
+
+  if [[ -z "$SERVICE" ]]; then
+    dokku_log_fail "SERVICE must not be empty"
+  fi
+
+  if [[ ! -d "$PLUGIN_DATA_ROOT/$SERVICE" ]]; then
+    dokku_log_fail "$PLUGIN_SERVICE service $SERVICE does not exist"
+  fi
+
+  SERVICE="$(auth_service_filter "$SERVICE")"
+  if [[ -z "$SERVICE" ]]; then
+    dokku_log_fail "$PLUGIN_SERVICE service $SERVICE does not exist"
+  fi
+
   return 0
 }
 
@@ -892,5 +988,5 @@ write_database_name() {
 
   # some datastores do not like special characters in database names
   # so we need to normalize them out
-  echo "$SERVICE" | tr .- _ > "$SERVICE_ROOT/DATABASE_NAME"
+  echo "$SERVICE" | tr .- _ >"$SERVICE_ROOT/DATABASE_NAME"
 }

functions

@@ -3,7 +3,7 @@ source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/config"
 set -eo pipefail
 [[ $DOKKU_TRACE ]] && set -x
 source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common-functions"
-source "$PLUGIN_BASE_PATH/common/functions"
+source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
 source "$PLUGIN_AVAILABLE_PATH/config/functions"
 if [[ -f "$PLUGIN_AVAILABLE_PATH/docker-options/functions" ]]; then
   source "$PLUGIN_AVAILABLE_PATH/docker-options/functions"
@@ -41,7 +41,7 @@ service_create() {
     docker pull "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" || dokku_log_fail "$PLUGIN_SERVICE image $PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION pull failed"
   fi
 
-  plugn trigger service-action pre-create "$SERVICE"
+  plugn trigger service-action pre-create "$PLUGIN_COMMAND_PREFIX" "$SERVICE"
   mkdir -p "$SERVICE_ROOT" || dokku_log_fail "Unable to create service directory"
   mkdir -p "$SERVICE_ROOT/data" || dokku_log_fail "Unable to create service data directory"
   mkdir -p "$SERVICE_ROOT/$PLUGIN_CONFIG_SUFFIX" || dokku_log_fail "Unable to create service config directory"
@@ -63,9 +63,9 @@ service_create() {
 
   service_commit_config "$SERVICE"
   write_database_name "$SERVICE"
-  plugn trigger service-action post-create "$SERVICE"
+  plugn trigger service-action post-create "$PLUGIN_COMMAND_PREFIX" "$SERVICE"
   service_create_container "$SERVICE"
-  plugn trigger service-action post-create-complete "$SERVICE"
+  plugn trigger service-action post-create-complete "$PLUGIN_COMMAND_PREFIX" "$SERVICE"
 }
 
 service_create_container() {

help-functions

@@ -202,6 +202,9 @@ fn-help-subcommand-args() {
     elif [[ "$arg" == *_LIST ]]; then
       arg=${arg%_*}
       args+=" <${arg//_/-}...>"
+    elif [[ "$arg" == *_OPTIONAL ]]; then
+      argName="${arg/_OPTIONAL/}"
+      args+=" [<${argName//_/-}>]"
     else
       args+=" <${arg//_/-}>"
     fi

install

@@ -24,10 +24,10 @@ plugin-install() {
   pull-docker-image "$PLUGIN_WAIT_IMAGE"
 
   mkdir -p "$PLUGIN_DATA_ROOT" || echo "Failed to create $PLUGIN_SERVICE data directory"
-  chown dokku:dokku "$PLUGIN_DATA_ROOT"
+  chown "${DOKKU_SYSTEM_USER}:${DOKKU_SYSTEM_GROUP}" "$PLUGIN_DATA_ROOT"
 
   mkdir -p "$PLUGIN_CONFIG_ROOT" || echo "Failed to create $PLUGIN_SERVICE config directory"
-  chown dokku:dokku "$PLUGIN_CONFIG_ROOT"
+  chown "${DOKKU_SYSTEM_USER}:${DOKKU_SYSTEM_GROUP}" "$PLUGIN_CONFIG_ROOT"
 
   rm -f "/etc/sudoers.d/dokku-${PLUGIN_COMMAND_PREFIX}*"
   _SUDOERS_FILE="/etc/sudoers.d/dokku-${PLUGIN_COMMAND_PREFIX}"
@@ -44,20 +44,22 @@ EOL
 
   chmod 0440 "$_SUDOERS_FILE"
 
-  local SERVICES=$(ls "$PLUGIN_DATA_ROOT" 2>/dev/null)
-  for SERVICE in $SERVICES; do
+  for SERVICE in $(fn-services-list false); do
     local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
 
     if [[ ! -f "$SERVICE_ROOT/IMAGE" ]] || [[ ! -f "$SERVICE_ROOT/IMAGE_VERSION" ]]; then
       local image="$(service_version "$SERVICE")"
       if [[ "$image" == *":"* ]]; then
-        echo "${image%:*}" > "$SERVICE_ROOT/IMAGE"
-        echo "${image##*:}" > "$SERVICE_ROOT/IMAGE_VERSION"
+        echo "${image%:*}" >"$SERVICE_ROOT/IMAGE"
+        echo "${image##*:}" >"$SERVICE_ROOT/IMAGE_VERSION"
       fi
     fi
 
+    chown "${DOKKU_SYSTEM_USER}:${DOKKU_SYSTEM_GROUP}" "$SERVICE_ROOT/IMAGE" "$SERVICE_ROOT/IMAGE_VERSION"
+
     if [[ -f "$SERVICE_ROOT/${PLUGIN_VARIABLE}_CONFIG_OPTIONS" ]]; then
       mv "$SERVICE_ROOT/${PLUGIN_VARIABLE}_CONFIG_OPTIONS" "$SERVICE_ROOT/CONFIG_OPTIONS"
+      chown "${DOKKU_SYSTEM_USER}:${DOKKU_SYSTEM_GROUP}" "$SERVICE_ROOT/CONFIG_OPTIONS"
     fi
   done
 }

plugin.toml

@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku mongo service plugin"
-version = "1.14.2"
+version = "1.21.0"
 [plugin.config]

post-app-clone-setup

@@ -8,8 +8,7 @@ set -eo pipefail
 plugin-post-app-clone-setup() {
   declare OLD_APP_NAME="$1" NEW_APP_NAME="$2"
 
-  local SERVICES=$(ls "$PLUGIN_DATA_ROOT" 2>/dev/null)
-  for SERVICE in $SERVICES; do
+  for SERVICE in $(fn-services-list false); do
     if in_links_file "$SERVICE" "$OLD_APP_NAME"; then
       add_to_links_file "$SERVICE" "$NEW_APP_NAME"
     fi

post-app-rename-setup

@@ -8,8 +8,7 @@ set -eo pipefail
 plugin-post-app-rename-setup() {
   declare OLD_APP_NAME="$1" NEW_APP_NAME="$2"
 
-  local SERVICES=$(ls "$PLUGIN_DATA_ROOT" 2>/dev/null)
-  for SERVICE in $SERVICES; do
+  for SERVICE in $(fn-services-list false); do
     if in_links_file "$SERVICE" "$OLD_APP_NAME"; then
       add_to_links_file "$SERVICE" "$NEW_APP_NAME"
     fi

pre-delete

@@ -1,21 +1,13 @@
 #!/usr/bin/env bash
+source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
 source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/config"
-source "$PLUGIN_BASE_PATH/common/functions"
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/functions"
 set -eo pipefail
 [[ $DOKKU_TRACE ]] && set -x
 
-PLUGIN_BASE_PATH="$PLUGIN_PATH"
-if [[ -n $DOKKU_API_VERSION ]]; then
-  PLUGIN_BASE_PATH="$PLUGIN_ENABLED_PATH"
-fi
-source "$PLUGIN_BASE_PATH/common/functions"
-source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/functions"
-
 APP="$1"
-pushd "$PLUGIN_DATA_ROOT" >/dev/null
-for SERVICE in *; do
+for SERVICE in $(fn-services-list false); do
+  [[ -n "$SERVICE" ]] || continue
   dokku_log_verbose_quiet "Unlinking from $SERVICE"
   remove_from_links_file "$(basename "$SERVICE")" "$APP"
 done
-popd >/dev/null 2>&1 || pushd "/tmp" >/dev/null
-exit 0

pre-restore

@@ -7,18 +7,18 @@ set -eo pipefail
 
 plugin-pre-restore() {
   declare SCHEDULER="$1" APP="$2"
+  local status
 
   if [[ "$SCHEDULER" != "docker-local" ]]; then
     return
   fi
 
-  local SERVICES=$(ls "$PLUGIN_DATA_ROOT" 2>/dev/null)
-  for SERVICE in $SERVICES; do
+  for SERVICE in $(fn-services-list false); do
     if ! in_links_file "$SERVICE" "$APP"; then
       continue
     fi
 
-    local status="$(service_status "$SERVICE")"
+    status="$(service_status "$SERVICE")"
     if [[ "$status" == "running" ]]; then
       continue
     fi

pre-start

@@ -7,14 +7,14 @@ set -eo pipefail
 
 plugin-pre-start() {
   declare APP="$1"
+  local status
 
-  local SERVICES=$(ls "$PLUGIN_DATA_ROOT" 2>/dev/null)
-  for SERVICE in $SERVICES; do
+  for SERVICE in $(fn-services-list false); do
     if ! in_links_file "$SERVICE" "$APP"; then
       continue
     fi
 
-    local status="$(service_status "$SERVICE")"
+    status="$(service_status "$SERVICE")"
     if [[ "$status" == "running" ]]; then
       continue
     fi

service-list

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/config"
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common-functions"
+set -eo pipefail
+[[ $DOKKU_TRACE ]] && set -x
+
+plugin-service-list() {
+  declare desc="allows listing all services for use by other dokku plugins"
+  declare SERVICE_TYPE="$1"
+
+  if [[ -n "$SERVICE_TYPE" ]] && [[ "$SERVICE_TYPE" != "$PLUGIN_COMMAND_PREFIX" ]]; then
+    return
+  fi
+
+  for service in $(fn-services-list false); do
+    echo "$PLUGIN_COMMAND_PREFIX:$service"
+  done
+}
+
+plugin-service-list "$@"

subcommands/clone

@@ -14,7 +14,7 @@ service-clone-cmd() {
   #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 -m|--memory MEMORY, container memory limit (default: unlimited)
+  #F -m|--memory MEMORY, container memory limit in megabytes (default: unlimited)
   #F -p|--password PASSWORD, override the user-level service password
   #F -r|--root-password PASSWORD, override the root-level service password
   #F -s|--shm-size SHM_SIZE, override shared memory size for $PLUGIN_COMMAND_PREFIX docker container
@@ -27,6 +27,9 @@ service-clone-cmd() {
   [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a valid name for the service"
   [[ -z "$NEW_SERVICE" ]] && dokku_log_fail "Please specify a name for the new service"
   verify_service_name "$SERVICE"
+  if service_exists "$NEW_SERVICE"; then
+    dokku_log_fail "Invalid service name $NEW_SERVICE. Verify the service name is not already in use."
+  fi
 
   local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
   local ID="$(cat "$SERVICE_ROOT/ID")"

subcommands/create

@@ -22,7 +22,7 @@ service-create-cmd() {
   #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 -m|--memory MEMORY, container memory limit (default: unlimited)
+  #F -m|--memory MEMORY, container memory limit in megabytes (default: unlimited)
   #F -p|--password PASSWORD, override the user-level service password
   #F -r|--root-password PASSWORD, override the root-level service password
   #F -s|--shm-size SHM_SIZE, override shared memory size for $PLUGIN_COMMAND_PREFIX docker container

subcommands/destroy

@@ -41,7 +41,7 @@ service-destroy-cmd() {
   fi
 
   dokku_log_info2_quiet "Deleting $SERVICE"
-  plugn trigger service-action pre-delete "$SERVICE"
+  plugn trigger service-action pre-delete "$PLUGIN_COMMAND_PREFIX" "$SERVICE"
   service_backup_unschedule "$SERVICE"
   service_container_rm "$SERVICE"
 
@@ -49,7 +49,7 @@ service-destroy-cmd() {
   docker run --rm -v "$SERVICE_HOST_ROOT/data:/data" -v "$SERVICE_HOST_ROOT/$PLUGIN_CONFIG_SUFFIX:/config" "$PLUGIN_BUSYBOX_IMAGE" chmod 777 -R /config /data
   rm -rf "$SERVICE_ROOT"
 
-  plugn trigger service-action post-delete "$SERVICE"
+  plugn trigger service-action post-delete "$PLUGIN_COMMAND_PREFIX" "$SERVICE"
   dokku_log_info2 "$PLUGIN_SERVICE container deleted: $SERVICE"
 }
 

subcommands/enter

@@ -19,6 +19,7 @@ service-enter-cmd() {
   [[ ${argv[0]} == "$cmd" ]] && shift 1
   declare SERVICE="$1"
 
+  verify_service_name "$SERVICE"
   dokku_log_info1_quiet "Filesystem changes may not persist after container restarts"
   service_enter "$SERVICE" "${@:2}"
 }

subcommands/logs

@@ -10,16 +10,18 @@ service-logs-cmd() {
   #E dokku $PLUGIN_COMMAND_PREFIX:logs lollipop
   #E by default, logs will not be tailed, but you can do this with the --tail flag:
   #E dokku $PLUGIN_COMMAND_PREFIX:logs lollipop --tail
+  #E the default tail setting is to show all logs, but an initial count can also be specified
+  #E dokku $PLUGIN_COMMAND_PREFIX:logs lollipop --tail 5
   #A service, service to run command against
-  #F -t|--tail, do not stop when end of the logs are reached and wait for additional output
+  #F -t|--tail [<tail-num>], do not stop when end of the logs are reached and wait for additional output
   declare desc="print the most recent log(s) for this service"
   local cmd="$PLUGIN_COMMAND_PREFIX:logs" argv=("$@")
   [[ ${argv[0]} == "$cmd" ]] && shift 1
-  declare SERVICE="$1" TAIL_FLAG="$2"
+  declare SERVICE="$1" TAIL_FLAG="$2" TAIL_NUM_OPTIONAL="${3:-all}"
 
   [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a valid name for the service"
   verify_service_name "$SERVICE"
-  service_logs "$SERVICE" "$TAIL_FLAG"
+  service_logs "$SERVICE" "$TAIL_FLAG" "$TAIL_NUM_OPTIONAL"
 }
 
 service-logs-cmd "$@"

tests/hook_pre_delete.bats

@@ -13,7 +13,7 @@ teardown() {
 }
 
 @test "($PLUGIN_COMMAND_PREFIX:hook:pre-delete) removes app from links file when destroying app" {
-  [[ -n $(< "$PLUGIN_DATA_ROOT/l/LINKS") ]]
+  [[ -n $(<"$PLUGIN_DATA_ROOT/l/LINKS") ]]
   dokku --force apps:destroy my-app
-  [[ -z $(< "$PLUGIN_DATA_ROOT/l/LINKS") ]]
+  [[ -z $(<"$PLUGIN_DATA_ROOT/l/LINKS") ]]
 }

tests/service_clone.bats

@@ -30,7 +30,7 @@ teardown() {
 @test "($PLUGIN_COMMAND_PREFIX:clone) error when new service already exists" {
   dokku "$PLUGIN_COMMAND_PREFIX:create" new_service
   run dokku "$PLUGIN_COMMAND_PREFIX:clone" l new_service
-  assert_contains "${lines[*]}" "service new_service already exists"
+  assert_contains "${lines[*]}" "Invalid service name new_service"
   assert_failure
 
   dokku --force "$PLUGIN_COMMAND_PREFIX:destroy" new_service

tests/service_export.bats

@@ -23,7 +23,7 @@ teardown() {
   if [[ -n "$GITHUB_WORKFLOW" ]]; then
     skip "No tty is available on Github Actions"
   fi
-  export SSH_TTY=`tty`
+  export SSH_TTY=$(tty)
   run dokku "$PLUGIN_COMMAND_PREFIX:export" l
   echo "output: $output"
   echo "status: $status"

tests/service_import.bats

@@ -34,7 +34,7 @@ teardown() {
 
 @test "($PLUGIN_COMMAND_PREFIX:import) success" {
   skip "The fake dump is hard to work with in tests"
-  run dokku "$PLUGIN_COMMAND_PREFIX:import" l < "/tmp/fake.dump.tar"
+  run dokku "$PLUGIN_COMMAND_PREFIX:import" l <"/tmp/fake.dump.tar"
   echo "output: $output"
   echo "status: $status"
   assert_success

tests/service_link.bats

@@ -13,7 +13,6 @@ teardown() {
   dokku --force apps:destroy my-app
 }
 
-
 @test "($PLUGIN_COMMAND_PREFIX:link) error when there are no arguments" {
   run dokku "$PLUGIN_COMMAND_PREFIX:link"
   echo "output: $output"

tests/service_restart.bats

@@ -23,4 +23,3 @@ teardown() {
   run dokku "$PLUGIN_COMMAND_PREFIX:restart" l
   assert_success
 }
-

tests/service_start.bats

@@ -23,4 +23,3 @@ teardown() {
   run dokku "$PLUGIN_COMMAND_PREFIX:start" l
   assert_success
 }
-

tests/service_stop.bats

@@ -23,4 +23,3 @@ teardown() {
   run dokku "$PLUGIN_COMMAND_PREFIX:stop" l
   assert_success
 }
-

tests/service_unexpose.bats

@@ -25,4 +25,3 @@ teardown() {
   [[ ! -f $PLUGIN_DATA_ROOT/PORT ]]
   assert_contains "${lines[*]}" "Service l unexposed"
 }
-