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commands
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#!/bin/bash
set -e;
# Check if name is specified
if [[ $1 == couchdb:* ]]; then
if [[ -z $2 ]]; then
echo "You must specify an app name"
exit 1
else
APP="$2"
# Check if app exists with the same name
if [[ -d "$DOKKU_ROOT/$APP" ]]; then
APP_EXISTS=true
else
APP_EXISTS=false
fi
fi
fi
# Create .couchdb directory if does not exist
if [[ ! -d $DOKKU_ROOT/.couchdb ]]; then
mkdir -p $DOKKU_ROOT/.couchdb
chown -R dokku: $DOKKU_ROOT/.couchdb
fi
case "$1" in
couchdb:create)
DB_IMAGE=couchdb/$APP
# Check if DB container is installed
IMAGE=$(docker images | grep "klaemo/couchdb" | awk '{print $3}')
if [[ -z $IMAGE ]]; then
echo "couchdb image not found... Did you run 'dokku plugins-install' ?"
exit 1
fi
# Check if an existing DB volume exists
if [[ -f "$DOKKU_ROOT/.couchdb/volume_$APP" ]]; then
VOLUME="`cat $DOKKU_ROOT/.couchdb/volume_$APP`:/usr/local/var/lib/couchdb"
echo
echo "-----> Reusing couchdb/$APP database"
else
VOLUME="/usr/local"
# Generate a random password for DB user
DB_PASSWORD=$(< /dev/urandom tr -dc A-Za-z0-9 | head -c 16)
echo $DB_PASSWORD > "$DOKKU_ROOT/.couchdb/pwd_$APP"
chown dokku: "$DOKKU_ROOT/.couchdb/pwd_$APP"
chmod 700 "$DOKKU_ROOT/.couchdb/pwd_$APP"
fi
# Stop existing container with the same persistent DB
ID=$(docker ps | grep "$DB_IMAGE":latest | awk '{print $1}')
if [[ ! -z "$ID" ]]; then
docker stop $ID > /dev/null
fi
# Fork DB image
ID=$(docker run -d klaemo/couchdb exit 0)
docker wait $ID > /dev/null
IMAGE=$(docker commit $ID)
docker tag $IMAGE $DB_IMAGE
# Launch container
ID=$(docker run -v $VOLUME -p 5984 -d $DB_IMAGE /opt/start_couch $DB_PASSWORD)
sleep 4
# Store persistent volume
if [[ ! -f "$DOKKU_ROOT/.couchdb/volume_$APP" ]]; then
VOLUME_PATH=$(docker inspect $ID | grep /var/lib/docker/vfs/dir/ | awk '{print $2}' | sed -e's/"//g')
if [[ -z $VOLUME_PATH ]]; then
echo "Your docker version is too old, please update it"
exit 1
fi
echo $VOLUME_PATH > "$DOKKU_ROOT/.couchdb/volume_$APP"
fi
# Write port for further usage
PORT=$(docker port $ID 5984 | sed 's/0.0.0.0://')
echo $PORT > "$DOKKU_ROOT/.couchdb/port_$APP"
# Write IP address for further usage
IP=$(docker inspect $ID | grep 'IPAddress' | egrep -o '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}')
echo $IP > "$DOKKU_ROOT/.couchdb/ip_$APP"
# Add root user
HOST="http://localhost:$PORT"
echo $HOST > "$DOKKU_ROOT/.couchdb/host_$APP"
DB_PASSWORD=$(cat "$DOKKU_ROOT/.couchdb/pwd_$APP")
curl -X PUT $HOST/_config/admins/root -d '"$DB_PASSWORD"'
# Link to a potential existing app
dokku couchdb:link $APP $APP
echo
echo "-----> couchdb container created: $DB_IMAGE"
sleep 1
dokku couchdb:info $APP
;;
couchdb:delete)
DB_IMAGE=couchdb/$APP
ID=$(docker ps -a | grep "$DB_IMAGE":latest | awk '{print $1}')
# Stop the container
if [[ ! -z $ID ]]; then
docker kill $ID > /dev/null
sleep 1
docker rm $ID > /dev/null
sleep 1
fi
# Remove image
IMAGE=$(docker images | grep "$DB_IMAGE " | awk '{print $1}')
if [[ ! -z $IMAGE ]]; then
docker rmi $IMAGE > /dev/null
fi
# Remove container port storage
if [[ -f "$DOKKU_ROOT/.couchdb/port_$APP" ]]; then
rm -f "$DOKKU_ROOT/.couchdb/port_$APP"
fi
# Remove container root password
if [[ -f "$DOKKU_ROOT/.couchdb/pwd_$APP" ]]; then
rm -f "$DOKKU_ROOT/.couchdb/pwd_$APP"
fi
# Remove persistent volume
if [[ -f "$DOKKU_ROOT/.couchdb/volume_$APP" ]]; then
sleep 4
rm -rf "$(cat $DOKKU_ROOT/.couchdb/volume_$APP)"
rm -f "$DOKKU_ROOT/.couchdb/volume_$APP"
fi
echo
echo "-----> couchdb container deleted: $DB_IMAGE"
;;
couchdb:info)
DB_IMAGE=couchdb/$APP
if [[ ! -f "$DOKKU_ROOT/.couchdb/pwd_$APP" ]]; then
echo "Unknown (or too old) couchdb container"
exit 1
fi
echo
echo " Host: $(cat "$DOKKU_ROOT/.couchdb/ip_$APP")"
echo " Port: $(cat "$DOKKU_ROOT/.couchdb/port_$APP")"
echo " User: 'root'"
echo " Password: '$(cat "$DOKKU_ROOT/.couchdb/pwd_$APP")'"
echo
;;
couchdb:link)
if $APP_EXISTS; then
# Check argument
if [[ -z $3 ]]; then
echo "You must specify a database name"
exit 1
fi
DB_IMAGE="couchdb/$3"
if [[ ! -f "$DOKKU_ROOT/.couchdb/pwd_$APP" ]]; then
echo "Database is not initialized correctly"
exit 1
fi
DB_PASSWORD=$(cat "$DOKKU_ROOT/.couchdb/pwd_$APP")
DB_HOST=$(cat "$DOKKU_ROOT/.couchdb/ip_$APP")
PORT=$(cat "$DOKKU_ROOT/.couchdb/port_$APP")
# Link database using dokku command
dokku config:set $APP "COUCH_URL=http://root:$DB_PASSWORD@$DB_HOST:$PORT"
dokku config:set $APP "COUCH_USER=root"
dokku config:set $APP "COUCH_PASSWORD=$DB_PASSWORD"
echo
echo "-----> $APP linked to $DB_IMAGE database"
fi
;;
couchdb:logs)
DB_IMAGE=couchdb/$APP
ID=$(docker ps -a | grep "$DB_IMAGE" | awk '{print $1}')
docker logs $ID | tail -n 100
;;
help)
cat && cat<<EOF
couchdb:create <app> Create a couchdb container
couchdb:delete <app> Delete specified couchdb container
couchdb:info <app> Display database informations
couchdb:link <app> <db> Link an app to a couchdb database
couchdb:logs <app> Display last logs from couchdb container
EOF
;;
esac