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#!/usr/bin/env bash
source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/config"
set -eo pipefail
[[ $DOKKU_TRACE ]] && set -x
source "$PLUGIN_AVAILABLE_PATH/config/functions"
docker_ports_options() {
declare desc="Exports a list of exposed ports"
declare PORTS=("$@")
for ((i = 0; i < ${#PLUGIN_DATASTORE_PORTS[@]}; i++)); do
echo -n "-p ${PORTS[i]}:${PLUGIN_DATASTORE_PORTS[i]} "
done
}
get_container_ip() {
declare desc="Retrieves the ip address of a container"
declare CONTAINER_ID="$1"
docker inspect --format '{{ .NetworkSettings.IPAddress }}' "$CONTAINER_ID" 2>/dev/null
}
get_database_name() {
declare desc="Retrieves a sanitized database name"
declare SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
if [[ ! -f "$SERVICE_ROOT/DATABASE_NAME" ]]; then
echo "$SERVICE" > "$SERVICE_ROOT/DATABASE_NAME"
fi
cat "$SERVICE_ROOT/DATABASE_NAME"
}
get_random_ports() {
declare desc="Retrieves N random ports"
declare iterations="${1:-1}"
for ((i = 0; i < iterations; i++)); do
local port=$RANDOM
local quit=0
while [ "$quit" -ne 1 ]; do
netstat -an | grep $port >/dev/null
# shellcheck disable=SC2181
if [ $? -gt 0 ]; then
quit=1
else
port=$((port + 1))
fi
done
echo $port
done
}
get_service_name() {
declare desc="Retrieves a docker service label"
declare SERVICE="$1"
echo "dokku.${PLUGIN_COMMAND_PREFIX}.$SERVICE"
}
get_url_from_config() {
declare desc="Retrieves a given _URL from a list of configuration variables"
declare EXISTING_CONFIG="$1" CONFIG_VAR="$2"
echo "$EXISTING_CONFIG" | grep "$CONFIG_VAR" | sed "s/$CONFIG_VAR:\s*//" | xargs
}
is_container_status() {
declare desc="Returns 0 or 1 depending upon whether a given container has a certain status"
declare CID="$1" STATUS="$2"
local TEMPLATE="{{.State.$STATUS}}"
local CONTAINER_STATUS=$(docker inspect -f "$TEMPLATE" "$CID" 2>/dev/null || true)
if [[ "$CONTAINER_STATUS" == "true" ]]; then
return 0
fi
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
}
is_valid_service_name() {
declare desc="Validates a service name"
declare SERVICE="$1"
[[ -z "$SERVICE" ]] && return 1
if [[ "$SERVICE" =~ ^[A-Za-z0-9_-]+$ ]]; then
return 0
fi
return 1
}
remove_from_links_file() {
declare desc="Removes an app from the service link file"
declare SERVICE="$1" APP="$2"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local LINKS_FILE="$SERVICE_ROOT/LINKS"
if [[ ! -f "$LINKS_FILE" ]]; then
return
fi
sed -i.bak "/^$APP\$/d" "$LINKS_FILE" && rm "$LINKS_FILE.bak"
sort "$LINKS_FILE" -u -o "$LINKS_FILE"
}
retry-docker-command() {
local ID="$1" COMMAND="$2"
local i=0 success=false
until [ $i -ge 100 ]; do
set +e
docker exec -it "$ID" sh -c "$COMMAND" 2>/dev/null
exit_code=$?
set -e
if [[ "$exit_code" == 0 ]]; then
success=true
break
fi
i=$((i + 1))
sleep 1
done
if [[ $i -gt 0 ]]; then
dokku_log_verbose "Container command retried ${i} time(s): ${COMMAND}"
fi
[[ "$success" == "true" ]] || dokku_log_fail "Failed to run command: ${COMMAND}"
}
service_alternative_alias() {
declare desc="Retrieves an alternative alias for a service"
declare EXISTING_CONFIG="$1"
local COLORS=(AQUA BLACK BLUE FUCHSIA GRAY GREEN LIME MAROON NAVY OLIVE PURPLE RED SILVER TEAL WHITE YELLOW)
local ALIAS
for COLOR in "${COLORS[@]}"; do
ALIAS="${PLUGIN_ALT_ALIAS}_${COLOR}"
local IN_USE=$(echo "$EXISTING_CONFIG" | grep "${ALIAS}_URL")
if [[ -z "$IN_USE" ]]; then
break
fi
unset ALIAS
done
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="$3"
local SERVICE_BACKUP_ROOT="$PLUGIN_DATA_ROOT/$SERVICE/backup"
local BACKUP_ENCRYPTION_CONFIG_ROOT="$PLUGIN_DATA_ROOT/$SERVICE/backup-encryption"
local AWS_ACCESS_KEY_ID_FILE="$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 "$SERVICE_ROOT/ID")"
local BACKUP_PARAMETERS=""
if [[ -z "$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 "$AWS_SECRET_ACCESS_KEY_FILE")"
elif [[ "$USE_IAM_OPTIONAL_FLAG" != "--use-iam" ]] && [[ "$USE_IAM_OPTIONAL_FLAG" != "-u" ]]; then
dokku_log_fail "Provide AWS credentials or use the --use-iam flag"
fi
BACKUP_TMPDIR=$(mktemp -d --tmpdir)
trap 'rm -rf "$BACKUP_TMPDIR" > /dev/null' RETURN INT TERM EXIT
docker inspect "$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" >"${BACKUP_TMPDIR}/export")
# Build parameter list for s3backup tool
BACKUP_PARAMETERS="$BACKUP_PARAMETERS -e BUCKET_NAME=$BUCKET_NAME"
BACKUP_PARAMETERS="$BACKUP_PARAMETERS -e BACKUP_NAME=${PLUGIN_COMMAND_PREFIX}-${SERVICE}"
BACKUP_PARAMETERS="$BACKUP_PARAMETERS -v ${BACKUP_TMPDIR}:/backup"
if [[ -f "$SERVICE_BACKUP_ROOT/AWS_DEFAULT_REGION" ]]; then
BACKUP_PARAMETERS="$BACKUP_PARAMETERS -e AWS_DEFAULT_REGION=$(cat "$SERVICE_BACKUP_ROOT/AWS_DEFAULT_REGION")"
fi
if [[ -f "$SERVICE_BACKUP_ROOT/AWS_SIGNATURE_VERSION" ]]; then
BACKUP_PARAMETERS="$BACKUP_PARAMETERS -e AWS_SIGNATURE_VERSION=$(cat "$SERVICE_BACKUP_ROOT/AWS_SIGNATURE_VERSION")"
fi
if [[ -f "$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
BACKUP_PARAMETERS="$BACKUP_PARAMETERS -e ENCRYPTION_KEY=$(cat "$BACKUP_ENCRYPTION_CONFIG_ROOT/ENCRYPTION_KEY")"
fi
# shellcheck disable=SC2086
docker run --rm $BACKUP_PARAMETERS "$PLUGIN_S3BACKUP_IMAGE"
}
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="$6"
local SERVICE_BACKUP_ROOT="$PLUGIN_DATA_ROOT/$SERVICE/backup"
mkdir "$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"
if [[ -n "$AWS_DEFAULT_REGION" ]]; then
echo "$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"
fi
if [[ -n "$ENDPOINT_URL" ]]; then
echo "$ENDPOINT_URL" >"$SERVICE_BACKUP_ROOT/ENDPOINT_URL"
fi
}
service_backup_deauth() {
declare desc="Removes authentication"
declare SERVICE="$1"
local SERVICE_ROOT="${PLUGIN_DATA_ROOT}/${SERVICE}"
local SERVICE_BACKUP_ROOT="${SERVICE_ROOT}/backup/"
rm -rf "$SERVICE_BACKUP_ROOT"
}
service_backup_schedule() {
declare desc="schedules a backup of the service"
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="${PLUGIN_DATA_ROOT}/.TMP_CRON_FILE"
if [[ -n "$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"
}
service_backup_schedule_cat() {
declare desc="cat the contents of the configured backup cronfile for the service"
declare SERVICE="$1"
local CRON_FILE="/etc/cron.d/dokku-${PLUGIN_COMMAND_PREFIX}-${SERVICE}"
if [[ ! -f "$CRON_FILE" ]]; then
dokku_log_fail "There is no scheduled backup for ${SERVICE}."
fi
cat "$CRON_FILE"
}
service_backup_set_encryption() {
declare desc="Sets up backup encryption"
declare SERVICE="$1" ENCRYPTION_KEY="$2"
local SERVICE_ROOT="${PLUGIN_DATA_ROOT}/${SERVICE}"
local SERVICE_BACKUP_ENCRYPTION_ROOT="${SERVICE_ROOT}/backup-encryption/"
mkdir "$SERVICE_BACKUP_ENCRYPTION_ROOT"
echo "$ENCRYPTION_KEY" >"${SERVICE_BACKUP_ENCRYPTION_ROOT}/ENCRYPTION_KEY"
}
service_backup_unschedule() {
declare desc="unschedules the backup of the service"
declare SERVICE="$1"
local CRON_FILE="/etc/cron.d/dokku-${PLUGIN_COMMAND_PREFIX}-${SERVICE}"
sudo /bin/rm -f "$CRON_FILE"
}
service_backup_unset_encryption() {
declare desc="Removes backup encryption"
declare SERVICE="$1"
local SERVICE_ROOT="${PLUGIN_DATA_ROOT}/${SERVICE}"
local SERVICE_BACKUP_ENCRYPTION_ROOT="${SERVICE_ROOT}/backup-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 "$SERVICE")"
local ID
service_stop "$SERVICE"
ID=$(docker ps -aq --no-trunc --filter "name=^/$SERVICE_NAME$" --format '{{ .ID }}') || true
# this may be 'true' in tests...
if [[ -z "$ID" ]] || [[ "$ID" == "true" ]]; then
return 0
fi
dokku_log_verbose_quiet "Removing container"
docker update --restart=no "$SERVICE_NAME" >/dev/null 2>&1
if ! docker rm "$SERVICE_NAME" >/dev/null 2>&1; then
dokku_log_fail "Unable to remove container for service $SERVICE"
fi
}
service_dns_hostname() {
declare desc="Retrieves the alias of a service"
declare SERVICE="$1"
local SERVICE_NAME="$(get_service_name "$SERVICE")"
echo "$SERVICE_NAME" | tr ._ -
}
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 "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"
# shellcheck disable=SC2086
docker exec $DOKKU_RUN_OPTS $ID $EXEC_CMD "${@:-/bin/bash}"
}
service_exposed_ports() {
declare desc="Lists exposed ports for a service"
declare SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local PORT_FILE="$SERVICE_ROOT/PORT"
[[ ! -f $PORT_FILE ]] && echo '-' && return 0
local PORTS=($(cat "$PORT_FILE"))
for ((i = 0; i < ${#PLUGIN_DATASTORE_PORTS[@]}; i++)); do
echo -n "${PLUGIN_DATASTORE_PORTS[i]}->${PORTS[i]} "
done
}
service_image_exists() {
declare desc="Checks if the current image exists"
local IMAGE="$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="$2"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local SERVICE_URL=$(service_url "$SERVICE")
local PORT_FILE="$SERVICE_ROOT/PORT"
local SERVICE_CONTAINER_ID="$(cat "$SERVICE_ROOT/ID")"
local flag key valid_flags
local flag_map=(
"--config-dir: ${SERVICE_ROOT}/${PLUGIN_CONFIG_SUFFIX}"
"--data-dir: ${SERVICE_ROOT}/data"
"--dsn: ${SERVICE_URL}"
"--exposed-ports: $(service_exposed_ports "$SERVICE")"
"--id: ${SERVICE_CONTAINER_ID}"
"--internal-ip: $(get_container_ip "${SERVICE_CONTAINER_ID}")"
"--links: $(service_linked_apps "$SERVICE")"
"--service-root: ${SERVICE_ROOT}"
"--status: $(service_status "$SERVICE")"
"--version: $(service_version "$SERVICE")"
)
if [[ -z "$INFO_FLAG" ]]; then
dokku_log_info2 "$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^}" "${flag#*: }")"
done
else
local match=false
for flag in "${flag_map[@]}"; do
valid_flags="${valid_flags} $(echo "$flag" | cut -d':' -f1)"
if [[ "$flag" == "${INFO_FLAG}:"* ]]; then
echo "${flag#*: }" && match=true
fi
done
[[ "$match" == "true" ]] || dokku_log_fail "Invalid flag passed, valid flags:${valid_flags}"
fi
}
service_is_linked() {
declare desc="Links a service to an application"
declare SERVICE="$1" APP="$2"
update_plugin_scheme_for_app "$APP"
local SERVICE_URL=$(service_url "$SERVICE")
local EXISTING_CONFIG=$(config_all "$APP")
local LINK=$(echo "$EXISTING_CONFIG" | grep "$SERVICE_URL" | cut -d: -f1) || true
if [[ -z $LINK ]]; then
dokku_log_warn "Service $SERVICE is not linked to $APP"
exit 1
fi
dokku_log_info1 "Service $SERVICE is linked to $APP"
}
service_link() {
declare desc="Links a service to an application"
declare SERVICE="$1" APP="$2"
update_plugin_scheme_for_app "$APP"
local SERVICE_URL=$(service_url "$SERVICE")
local SERVICE_NAME="$(get_service_name "$SERVICE")"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local EXISTING_CONFIG=$(config_all "$APP")
local LINK=$(echo "$EXISTING_CONFIG" | grep "$SERVICE_URL" | cut -d: -f1) || true
local SERVICE_DNS_HOSTNAME=$(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 $LINK"
plugn trigger service-action pre-link "$SERVICE" "$APP"
touch "$LINKS_FILE"
echo "$APP" >>"$LINKS_FILE"
sort "$LINKS_FILE" -u -o "$LINKS_FILE"
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_DNS_HOSTNAME"
else
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"
}
service_linked_apps() {
declare desc="Lists all apps linked to a service for info output"
declare SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local LINKS_FILE="$SERVICE_ROOT/LINKS"
touch "$LINKS_FILE"
[[ -z $(<"$LINKS_FILE") ]] && echo '-' && return 0
tr '\n' ' ' <"$LINKS_FILE"
}
service_links() {
declare desc="Lists all apps linked to a service"
declare SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local LINKS_FILE="$SERVICE_ROOT/LINKS"
touch "$LINKS_FILE"
[[ -z $(<"$LINKS_FILE") ]] && return 0
cat "$LINKS_FILE"
}
service_list() {
declare desc="Lists all services and their status"
local SERVICES=$(ls "$PLUGIN_DATA_ROOT" 2>/dev/null)
if [[ -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"
done
}
service_logs() {
declare desc="Displays logs for a service"
declare SERVICE="$1" TAIL_FLAG="$2"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local ID=$(cat "$SERVICE_ROOT/ID")
local RE_INTEGER='^[0-9]+$'
DOKKU_LOGS_ARGS="--tail 100"
if [[ "$TAIL_FLAG" == "-t" ]] || [[ "$TAIL_FLAG" == "--tail" ]]; then
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
docker logs $DOKKU_LOGS_ARGS "$ID" 2>&1
}
service_parse_args() {
declare desc="cli arg parser"
local next_index=1
local skip=false
local args=("$@")
for arg in "$@"; do
shift
case "$arg" in
"--alias") set -- "$@" "-a" ;;
"--config-options") set -- "$@" "-c" ;;
"--custom-env") set -- "$@" "-C" ;;
"--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 -- "$@" "-u" ;;
*) set -- "$@" "$arg" ;;
esac
done
OPTIND=1
while getopts "a:c:C:d:i:I:m:p:q:R:r:u:" opt; do
case "$opt" in
a)
SERVICE_ALIAS="${OPTARG^^}"
export SERVICE_ALIAS="${SERVICE_ALIAS%_URL}"
;;
c)
export PLUGIN_CONFIG_OPTIONS=$OPTARG
;;
C)
export SERVICE_CUSTOM_ENV=$OPTARG
;;
d)
export SERVICE_DATABASE=$OPTARG
;;
i)
export PLUGIN_IMAGE=$OPTARG
;;
I)
export PLUGIN_IMAGE_VERSION=$OPTARG
;;
m)
export SERVICE_MEMORY=$OPTARG
;;
p)
export SERVICE_PASSWORD=$OPTARG
;;
q)
export SERVICE_QUERYSTRING=${OPTARG#"?"}
;;
R)
export SERVICE_RESTART_APPS=$OPTARG
;;
r)
export SERVICE_ROOT_PASSWORD=$OPTARG
;;
u)
export SERVICE_USER=$OPTARG
;;
esac
done
shift "$((OPTIND - 1))" # remove options from positional parameters
}
service_password() {
declare desc="Fetch the password for a service"
declare SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local PASSWORD_FILE="$SERVICE_ROOT/PASSWORD"
if [[ -f "$PASSWORD_FILE" ]]; then
cat "$PASSWORD_FILE"
fi
}
service_root_password() {
declare desc="Fetch the root password for a service"
declare SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local PASSWORD_FILE="$SERVICE_ROOT/ROOTPASSWORD"
if [[ -f "$PASSWORD_FILE" ]]; then
cat "$PASSWORD_FILE"
fi
}
service_port_expose() {
declare desc="Wrapper for exposing service ports"
declare SERVICE="$1"
service_start "$SERVICE" "true"
service_port_unpause "$SERVICE" "true" "${@:2}"
}
service_port_pause() {
declare desc="Pauses service exposure"
declare SERVICE="$1" LOG_FAIL="$2"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local EXPOSED_NAME="$(get_service_name "$SERVICE").ambassador"
local PORT_FILE="$SERVICE_ROOT/PORT"
if [[ "$LOG_FAIL" == "true" ]]; then
[[ ! -f "$PORT_FILE" ]] && dokku_log_fail "Service not exposed"
else
[[ ! -f "$PORT_FILE" ]] && return 0
fi
local GREP_NAME="^/${EXPOSED_NAME}$"
local CONTAINER_NAME="$(docker ps -f name="$GREP_NAME" --format "{{.Names}}")"
if [[ -z "$CONTAINER_NAME" ]]; then
if [[ "$LOG_FAIL" == "true" ]]; then
dokku_log_info1 "Service $SERVICE unexposed"
fi
return
fi
docker stop "$EXPOSED_NAME" >/dev/null 2>&1 || true
docker rm "$EXPOSED_NAME" >/dev/null 2>&1 || true
if [[ "$LOG_FAIL" == "true" ]]; then
dokku_log_info1 "Service $SERVICE unexposed"
fi
}
service_port_unexpose() {
declare desc="Wrapper for pausing exposed service ports"
declare SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local PORT_FILE="$SERVICE_ROOT/PORT"
service_port_pause "$SERVICE" "true"
rm -rf "$PORT_FILE"
}
service_port_unpause() {
declare desc="Starts service exposure"
declare SERVICE="$1" LOG_FAIL="$2"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local SERVICE_NAME="$(get_service_name "$SERVICE")"
local EXPOSED_NAME="${SERVICE_NAME}.ambassador"
local PORT_FILE="$SERVICE_ROOT/PORT"
# shellcheck disable=SC2068
local PORTS=(${@:3})
# shellcheck disable=SC2068
PORTS=(${PORTS[@]:-$(get_random_ports ${#PLUGIN_DATASTORE_PORTS[@]})})
local ID=$(cat "$SERVICE_ROOT/ID")
[[ "${#PORTS[@]}" != "${#PLUGIN_DATASTORE_PORTS[@]}" ]] && dokku_log_fail "${#PLUGIN_DATASTORE_PORTS[@]} ports to be exposed need to be provided in the following order: ${PLUGIN_DATASTORE_PORTS[*]}"
if [[ "$LOG_FAIL" == "true" ]]; then
[[ -f "$PORT_FILE" ]] && PORTS=($(cat "$PORT_FILE")) && dokku_log_fail "Service $SERVICE already exposed on port(s) ${PORTS[*]}"
else
[[ ! -f "$PORT_FILE" ]] && return 0
PORTS=($(cat "$PORT_FILE"))
fi
echo "${PORTS[@]}" >"$PORT_FILE"
# shellcheck disable=SC2046
docker run -d --link "$SERVICE_NAME:$PLUGIN_COMMAND_PREFIX" --name "$EXPOSED_NAME" $(docker_ports_options "${PORTS[@]}") --restart always --label dokku=ambassador --label "dokku.ambassador=$PLUGIN_COMMAND_PREFIX" "$PLUGIN_AMBASSADOR_IMAGE" >/dev/null
if [[ "$LOG_FAIL" == "true" ]]; then
dokku_log_info1 "Service $SERVICE exposed on port(s) [container->host]: $(service_exposed_ports "$SERVICE")"
fi
}
service_promote() {
declare desc="Promotes a secondary service to the primary env var"
declare SERVICE="$1" APP="$2"
local PLUGIN_DEFAULT_CONFIG_VAR="${PLUGIN_DEFAULT_ALIAS}_URL"
local EXISTING_CONFIG=$(config_all "$APP")
update_plugin_scheme_for_app "$APP"
local SERVICE_URL=$(service_url "$SERVICE")
local CONFIG_VARS=($(echo "$EXISTING_CONFIG" | grep "$SERVICE_URL" | cut -d: -f1)) || true
local PREVIOUS_DEFAULT_URL=$(get_url_from_config "$EXISTING_CONFIG" "$PLUGIN_DEFAULT_CONFIG_VAR")
[[ -z ${CONFIG_VARS[*]} ]] && dokku_log_fail "Not linked to app $APP"
[[ ${CONFIG_VARS[*]} =~ $PLUGIN_DEFAULT_CONFIG_VAR ]] && dokku_log_fail "Service $1 already promoted as $PLUGIN_DEFAULT_CONFIG_VAR"
local NEW_CONFIG_VARS=""
if [[ -n $PREVIOUS_DEFAULT_URL ]]; then
local PREVIOUS_ALIAS=$(echo "$EXISTING_CONFIG" | grep "$PREVIOUS_DEFAULT_URL" | grep -v "$PLUGIN_DEFAULT_CONFIG_VAR") || true
if [[ -z $PREVIOUS_ALIAS ]]; then
local ALIAS=$(service_alternative_alias "$EXISTING_CONFIG")
NEW_CONFIG_VARS+="${ALIAS}_URL=$PREVIOUS_DEFAULT_URL "
fi
fi
local PROMOTE_URL=$(get_url_from_config "$EXISTING_CONFIG" "${CONFIG_VARS[0]}")
NEW_CONFIG_VARS+="$PLUGIN_DEFAULT_CONFIG_VAR=$PROMOTE_URL"
# shellcheck disable=SC2086
config_set "$APP" $NEW_CONFIG_VARS
}
service_set_alias() {
declare desc="Sets the alias in use for a service"
declare SERVICE="$1" ALIAS="$2"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local ALIAS_FILE="$SERVICE_ROOT/ALIAS"
touch "$ALIAS_FILE"
echo "$ALIAS" >"$ALIAS_FILE"
}
service_status() {
declare desc="Displays the status of a service"
declare SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local ID="$(cat "$SERVICE_ROOT/ID")"
local CONTAINER_STATUS
CONTAINER_STATUS=$(docker inspect -f "{{.State.Status}}" "$ID" 2>/dev/null || true)
[[ -n "$CONTAINER_STATUS" ]] && echo "$CONTAINER_STATUS" && return 0
echo "missing" && return 0
}
service_stop() {
declare desc="Stops a running service"
declare SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local SERVICE_NAME="$(get_service_name "$SERVICE")"
local ID=$(docker ps -aq --no-trunc --filter "name=^/$SERVICE_NAME$" --format '{{ .ID }}') || true
[[ -z $ID ]] && dokku_log_warn "Service is already stopped" && return 0
if [[ -n $ID ]]; then
dokku_log_info2_quiet "Stopping container"
docker stop "$SERVICE_NAME" >/dev/null
service_port_pause "$SERVICE"
dokku_log_verbose_quiet "Container stopped"
else
dokku_log_verbose_quiet "No container exists for $SERVICE"
fi
}
service_unlink() {
declare desc="Unlinks an application from a service"
declare SERVICE="$1" APP="$2"
update_plugin_scheme_for_app "$APP"
local SERVICE_URL=$(service_url "$SERVICE")
local SERVICE_NAME="$(get_service_name "$SERVICE")"
local EXISTING_CONFIG=$(config_all "$APP")
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" "$APP"
remove_from_links_file "$SERVICE" "$APP"
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_DNS_HOSTNAME"
else
dokku docker-options:remove "$APP" build,deploy,run "--link $SERVICE_NAME:$SERVICE_DNS_HOSTNAME"
fi
[[ -z ${LINK[*]} ]] && dokku_log_fail "Not linked to app $APP"
plugn trigger service-action post-unlink "$SERVICE" "$APP"
config_unset "$APP" "${LINK[*]}"
plugn trigger service-action post-unlink-complete "$SERVICE" "$APP"
}
service_version() {
declare desc="Displays the running version for an image"
declare SERVICE="$1"
local SERVICE_NAME="$(get_service_name "$SERVICE")"
docker inspect -f '{{.Config.Image}}' "$SERVICE_NAME" 2>/dev/null || true
}
update_plugin_scheme_for_app() {
declare desc="Retrieves the updated plugin scheme"
declare APP="$1"
local DATABASE_SCHEME
DATABASE_SCHEME=$(config_get "$APP" "${PLUGIN_VARIABLE}_DATABASE_SCHEME" || true)
PLUGIN_SCHEME=${DATABASE_SCHEME:-$PLUGIN_SCHEME}
}
verify_service_name() {
declare desc="Verifies 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"
return 0
}
write_database_name() {
declare desc="Writes a sanitized database name"
declare SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
# some datastores do not like special characters in database names
# so we need to normalize them out
echo "$SERVICE" | tr .- _ > "$SERVICE_ROOT/DATABASE_NAME"
}
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