#!/bin/bash
# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


########################################################################################################################
# Read deployment settings
########################################################################################################################

# If not already set, set the URL of the Docker registry where the images will be uploaded to.
# By default, assume internal MicroK8s registry is used.
export TFS_REGISTRY_IMAGES=${TFS_REGISTRY_IMAGES:-"http://localhost:32000/tfs/"}

# If not already set, set the list of components you want to build images for, and deploy.
# By default, only basic components are deployed
export TFS_COMPONENTS=${TFS_COMPONENTS:-"context device monitoring service compute webui"}

# If not already set, set the tag you want to use for your images.
export TFS_IMAGE_TAG=${TFS_IMAGE_TAG:-"dev"}

# If not already set, set the name of the Kubernetes namespace to deploy to.
export TFS_K8S_NAMESPACE=${TFS_K8S_NAMESPACE:-"tfs"}

# If not already set, set additional manifest files to be applied after the deployment
export TFS_EXTRA_MANIFESTS=${TFS_EXTRA_MANIFESTS:-""}

# If not already set, set the new Grafana admin password
export TFS_GRAFANA_PASSWORD=${TFS_GRAFANA_PASSWORD:-"admin123+"}

# If not already set, disable skip-build flag.
# If TFS_SKIP_BUILD is "YES", the containers are not rebuilt-retagged-repushed and existing ones are used.
export TFS_SKIP_BUILD=${TFS_SKIP_BUILD:-""}

# If not already set, set the namespace where CockroackDB will be deployed.
export CRDB_NAMESPACE=${CRDB_NAMESPACE:-"crdb"}

# If not already set, set the database username to be used by Context.
export CRDB_USERNAME=${CRDB_USERNAME:-"tfs"}

# If not already set, set the database user's password to be used by Context.
export CRDB_PASSWORD=${CRDB_PASSWORD:-"tfs123"}

# If not already set, set the database name to be used by Context.
export CRDB_DATABASE=${CRDB_DATABASE:-"tfs"}

# If not already set, set the name of the secret where CockroachDB data and credentials will be stored.
export CRDB_SECRET_NAME=${CRDB_SECRET_NAME:-"crdb-data"}

# If not already set, set the namespace where the secret containing CockroachDB data and credentials will be stored.
export CRDB_SECRET_NAMESPACE=${CRDB_SECRET_NAMESPACE:-${TFS_K8S_NAMESPACE}}

# If not already set, set CockroachDB installation mode. Accepted values are: 'single' and 'cluster'.
# "YES", the database pointed by variable CRDB_NAMESPACE will be dropped while
# checking/deploying CockroachDB.
# - If CRDB_DEPLOY_MODE is "single", CockroachDB is deployed in single node mode. It is convenient for
#   development and testing purposes and should fit in a VM. IT SHOULD NOT BE USED IN PRODUCTION ENVIRONMENTS.
# - If CRDB_DEPLOY_MODE is "cluster", CockroachDB is deployed in cluster mode, and an entire CockroachDB cluster
#   with 3 replicas and version v22.2 (set by default) will be deployed. It is convenient for production and
#   provides scalability features. If you are deploying for production, also read the following link providing
#   details on deploying CockroachDB for production environments:
#   Ref: https://www.cockroachlabs.com/docs/stable/recommended-production-settings.html
export CRDB_DEPLOY_MODE=${CRDB_DEPLOY_MODE:-"single"}

# If not already set, disable flag for dropping database if exists.
# WARNING: ACTIVATING THIS FLAG IMPLIES LOOSING THE DATABASE INFORMATION!
# If CRDB_DROP_DATABASE_IF_EXISTS is "YES", the database pointed by variable CRDB_NAMESPACE will be dropped while
# checking/deploying CockroachDB.
export CRDB_DROP_DATABASE_IF_EXISTS=${CRDB_DROP_DATABASE_IF_EXISTS:-""}

# If not already set, disable flag for re-deploying CockroachDB from scratch.
# WARNING: ACTIVATING THIS FLAG IMPLIES LOOSING THE DATABASE INFORMATION!
# WARNING: THE REDEPLOY MIGHT TAKE FEW MINUTES TO COMPLETE GRACEFULLY IN CLUSTER MODE
# If CRDB_REDEPLOY is "YES", the database will be dropped while checking/deploying CockroachDB.
export CRDB_REDEPLOY=${CRDB_REDEPLOY:-""}

# If not already set, set the namespace where NATS will be deployed.
export NATS_NAMESPACE=${NATS_NAMESPACE:-"nats"}

# If not already set, set the name of the secret where NATS data and credentials will be stored.
export NATS_SECRET_NAME=${NATS_SECRET_NAME:-"nats-data"}

# If not already set, set the namespace where the secret containing NATS data and credentials will be stored.
export NATS_SECRET_NAMESPACE=${NATS_SECRET_NAMESPACE:-${TFS_K8S_NAMESPACE}}

# If not already set, disable flag for re-deploying NATS from scratch.
# WARNING: ACTIVATING THIS FLAG IMPLIES LOOSING THE MESSAGE BROKER INFORMATION!
# If NATS_REDEPLOY is "YES", the message broker will be dropped while checking/deploying NATS.
export NATS_REDEPLOY=${NATS_REDEPLOY:-""}


########################################################################################################################
# Automated steps start here
########################################################################################################################

# Deploy CockroachDB
./deploy/crdb.sh

# Deploy NATS
./deploy/nats.sh

# Deploy TFS
./deploy/tfs.sh

# Show deploy summary
./deploy/show.sh

echo "Done!"