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functions
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#!/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"
source "$PLUGIN_BASE_PATH/common/functions"
source "$PLUGIN_AVAILABLE_PATH/config/functions"
if [[ -f "$PLUGIN_AVAILABLE_PATH/docker-options/functions" ]]; then
source "$PLUGIN_AVAILABLE_PATH/docker-options/functions"
fi
service_connect() {
local SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local SERVICE_NAME="$(get_service_name "$SERVICE")"
local PASSWORD="$(service_password "$SERVICE")"
local SERVICE_TTY_OPTS
has_tty && SERVICE_TTY_OPTS="-t"
docker exec -i $SERVICE_TTY_OPTS "$SERVICE_NAME" redis-cli -a "$PASSWORD"
}
service_create() {
local SERVICE="$1"
is_valid_service_name "$SERVICE" || dokku_log_fail "Please specify a valid name for the service. Valid characters are: [A-Za-z0-9_]+"
[[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a valid name for the service"
[[ ! -d "$PLUGIN_DATA_ROOT/$SERVICE" ]] || dokku_log_fail "$PLUGIN_SERVICE service $SERVICE already exists"
SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
LINKS_FILE="$SERVICE_ROOT/LINKS"
service_parse_args "${@:2}"
if ! service_image_exists "$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 ${IMAGE}" 1>&2
dokku_log_warn "$PLUGIN_SERVICE service creation failed"
exit 1
fi
docker pull "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" || dokku_log_fail "$PLUGIN_SERVICE image $PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION pull failed"
fi
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 "$SERVICE_ROOT/config" || dokku_log_fail "Unable to create service config directory"
touch "$LINKS_FILE"
if [[ -z $REDIS_CONFIG_PATH ]]; then
curl -sSL "https://raw.githubusercontent.com/antirez/redis/${PLUGIN_IMAGE_VERSION:0:3}/redis.conf" >"$SERVICE_ROOT/config/redis.conf" || dokku_log_fail "Unable to download the default redis.conf to the config directory"
else
cp "$REDIS_CONFIG_PATH" "$SERVICE_ROOT/config/redis.conf" || dokku_log_fail "Unable to copy the ${REDIS_CONFIG_PATH} to the config directory"
fi
PASSWORD=$(openssl rand -hex 32)
if [[ -n "$SERVICE_PASSWORD" ]]; then
PASSWORD="$SERVICE_PASSWORD"
dokku_log_warn "Specified password may not be as secure as the auto-generated password"
fi
echo "$PASSWORD" >"$SERVICE_ROOT/PASSWORD"
chmod 640 "$SERVICE_ROOT/PASSWORD"
sed -i.bak "s/# requirepass.*/requirepass ${PASSWORD}/" "$SERVICE_ROOT/config/redis.conf" && rm "$SERVICE_ROOT/config/redis.conf.bak"
[[ -n "$SERVICE_CUSTOM_ENV" ]] && REDIS_CUSTOM_ENV="$SERVICE_CUSTOM_ENV"
if [[ -n $REDIS_CUSTOM_ENV ]]; then
echo "$REDIS_CUSTOM_ENV" | tr ';' "\n" >"$SERVICE_ROOT/ENV"
else
echo "" >"$SERVICE_ROOT/ENV"
fi
write_database_name "$SERVICE"
service_create_container "$SERVICE"
}
service_create_container() {
local SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local SERVICE_HOST_ROOT="$PLUGIN_DATA_HOST_ROOT/$SERVICE"
local SERVICE_NAME="$(get_service_name "$SERVICE")"
ID=$(docker run --name "$SERVICE_NAME" -v "$SERVICE_HOST_ROOT/data:/data" -v "$SERVICE_HOST_ROOT/config:/usr/local/etc/redis" --env-file="$SERVICE_ROOT/ENV" -d --restart always --label dokku=service --label dokku.service=redis "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" redis-server /usr/local/etc/redis/redis.conf --bind 0.0.0.0)
echo "$ID" >"$SERVICE_ROOT/ID"
dokku_log_verbose_quiet "Waiting for container to be ready"
docker run --rm --link "$SERVICE_NAME:$PLUGIN_COMMAND_PREFIX" dokku/wait:0.4.1 -p "$PLUGIN_DATASTORE_WAIT_PORT" >/dev/null
dokku_log_info2 "$PLUGIN_SERVICE container created: $SERVICE"
service_info "$SERVICE"
}
service_export() {
local SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local SERVICE_NAME="$(get_service_name "$SERVICE")"
local PASSWORD="$(service_password "$SERVICE")"
[[ -n $SSH_TTY ]] && stty -opost
LASTSAVE1=$(docker exec "$SERVICE_NAME" bash -c "echo LASTSAVE | redis-cli -a ${PASSWORD}")
docker exec "$SERVICE_NAME" bash -c "echo BGSAVE | redis-cli -a ${PASSWORD}" >/dev/null 2>&1
LASTSAVE2=$(docker exec "$SERVICE_NAME" bash -c "echo LASTSAVE | redis-cli -a ${PASSWORD}")
until [[ "$LASTSAVE1" != "$LASTSAVE2" ]];
do
LASTSAVE2=$(docker exec "$SERVICE_NAME" bash -c "echo LASTSAVE | redis-cli -a ${PASSWORD}")
sleep 5
done
docker exec "$SERVICE_NAME" cat /data/dump.rdb
status=$?
[[ -n $SSH_TTY ]] && stty opost
exit $status
}
service_import() {
local SERVICE="$1"
SERVICE_HOST_ROOT="$PLUGIN_DATA_HOST_ROOT/$SERVICE"
SERVICE_NAME="$(get_service_name "$SERVICE")"
if [[ -t 0 ]]; then
dokku_log_fail "No data provided on stdin."
fi
dokku "$PLUGIN_COMMAND_PREFIX:stop" "$SERVICE" >/dev/null 2>&1
docker run --rm -i -v "$SERVICE_HOST_ROOT/data:/data" "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" bash -c "cat > /data/dump.rdb && chown redis: /data/dump.rdb"
dokku "$PLUGIN_COMMAND_PREFIX:start" "$SERVICE" >/dev/null 2>&1
}
service_start() {
local SERVICE="$1"
local QUIET="$2"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local SERVICE_NAME="$(get_service_name "$SERVICE")"
local ID=$(docker ps -aq --no-trunc --filter "status=running" --filter "name=^/$SERVICE_NAME$" --format '{{ .ID }}') || true
if [[ -n $ID ]]; then
[[ -z $QUIET ]] && dokku_log_warn "Service is already started"
if [[ ! -f "$SERVICE_ROOT/ID" ]] || [[ "$(cat "$SERVICE_ROOT/ID")" != "$ID" ]]; then
[[ -z $QUIET ]] && dokku_log_warn "Updating local container ID"
echo "$ID" >"$SERVICE_ROOT/ID"
fi
return 0
fi
dokku_log_info2_quiet "Starting container"
local PREVIOUS_ID=$(docker ps -aq --no-trunc --filter "status=exited" --filter "name=^/$SERVICE_NAME$" --format '{{ .ID }}') || true
if [[ -n $PREVIOUS_ID ]]; then
docker start "$PREVIOUS_ID" >/dev/null
service_port_unpause "$SERVICE"
dokku_log_info2 "Container started"
elif service_image_exists "$SERVICE"; then
service_create_container "$SERVICE"
else
dokku_log_verbose_quiet "Neither container nor valid configuration exists for $SERVICE"
fi
}
service_url() {
local SERVICE="$1"
local PASSWORD="$(service_password "$SERVICE")"
local SERVICE_DNS_HOSTNAME="$(service_dns_hostname "$SERVICE")"
echo "$PLUGIN_SCHEME://$SERVICE:$PASSWORD@$SERVICE_DNS_HOSTNAME:${PLUGIN_DATASTORE_PORTS[0]}"
}