Files
dokku-redis/functions
Jose Diaz-Gonzalez 919832ba2a Implement AUTH. Closes #58
This change makes password authentication required
for redis usage, and removes anonymous access. Users
will need to change their underlying clients to enable
writing the auth token for authenticating, otherwise
requests will fail.

This is a non-optional change, and improves security
for users who wish to expose their redis installations
outside of their network.
2016-09-21 01:44:57 -06:00

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4.9 KiB
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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 "$PLUGIN_AVAILABLE_PATH/config/functions"
if [[ -f "$PLUGIN_AVAILABLE_PATH/docker-options/functions" ]]; then
source "$PLUGIN_AVAILABLE_PATH/docker-options/functions"
fi
# non-generic functions
service_create() {
local SERVICE="$1"
[[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a 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"
if ! docker images | grep -e "^$PLUGIN_IMAGE " | grep -q " $PLUGIN_IMAGE_VERSION " ; then
docker pull "$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 "$SERVICE_ROOT/config" || dokku_log_fail "Unable to create service config directory"
curl -sSL "https://raw.githubusercontent.com/antirez/redis/${REDIS_IMAGE_VERSION:0:3}/redis.conf" > "$SERVICE_ROOT/config/redis.conf" || dokku_log_fail "Unable to download the default redis.conf to the config directory"
PASSWORD=$(openssl rand -hex 32)
echo "$PASSWORD" > "$SERVICE_ROOT/PASSWORD"
chmod 640 "$SERVICE_ROOT/PASSWORD"
sed -i.bak "s/# requirepass.*/requirepass ${PASSWORD}/" "$SERVICE_ROOT/config/redis.conf" && rm "$SERVICE_ROOT/config/redis.conf.bak"
touch "$LINKS_FILE"
if [[ -n $REDIS_CUSTOM_ENV ]]; then
echo "$REDIS_CUSTOM_ENV" | tr ';' "\n" > "$SERVICE_ROOT/ENV"
else
echo "" > "$SERVICE_ROOT/ENV"
fi
service_create_container "$SERVICE"
}
service_create_container() {
local SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local SERVICE_NAME="$(get_service_name "$SERVICE")"
ID=$(docker run --name "$SERVICE_NAME" -v "$SERVICE_ROOT/data:/data" -v "$SERVICE_ROOT/config:/usr/local/etc/redis" --env-file="$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" dokkupaas/wait:0.2 -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")"
[[ -n $SSH_TTY ]] && stty -opost
docker exec "$SERVICE_NAME" bash -c "echo SAVE | redis-cli" > /dev/null 2>&1
docker exec "$SERVICE_NAME" cat /data/dump.rdb
status=$?
[[ -n $SSH_TTY ]] && stty opost
exit $status
}
service_import() {
local SERVICE="$1"
SERVICE_ROOT="$PLUGIN_DATA_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_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 -f status=running | grep -e "$SERVICE_NAME$" | awk '{print $1}') || true
if [[ -n $ID ]]; then
[[ -z $QUIET ]] && dokku_log_warn "Service is already started"
return 0
fi
dokku_log_info1_quiet "Starting container"
local PREVIOUS_ID=$(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)
if [[ -n $PREVIOUS_ID ]]; then
docker start "$PREVIOUS_ID" > /dev/null
service_port_unpause "$SERVICE"
dokku_log_info2 "Container started"
elif $IMAGE_EXISTS; then
service_create_container "$SERVICE"
else
dokku_log_verbose_quiet "Neither container nor valid configuration exists for $SERVICE"
fi
}
service_url() {
local SERVICE="$1"
local SERVICE_ROOT="$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]}"
}
update_plugin_scheme_for_app() {
local APP="$1"
local REDIS_DATABASE_SCHEME=$(config_get "$APP" REDIS_DATABASE_SCHEME)
PLUGIN_SCHEME=${REDIS_DATABASE_SCHEME:-$PLUGIN_SCHEME}
}