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#!/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
########################################################################################################################
# Set the URL of your local Docker registry where the images will be uploaded to.
REGISTRY_IMAGE="http://localhost:32000/tfs/"
# Set the tag you want to use for your images.
IMAGE_TAG="dev"
# Set the name of the Kubernetes namespace to deploy to.
K8S_NAMESPACE="tfs-bchain"
COMPONENT="mock_blockchain"
########################################################################################################################
# Automated steps start here
########################################################################################################################
# Constants
GITLAB_REPO_URL="labs.etsi.org:5050/tfs/controller"
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TMP_FOLDER="./tmp"
# Create a tmp folder for files modified during the deployment
TMP_MANIFESTS_FOLDER="$TMP_FOLDER/manifests"
mkdir -p $TMP_MANIFESTS_FOLDER
TMP_LOGS_FOLDER="$TMP_FOLDER/logs"
mkdir -p $TMP_LOGS_FOLDER
echo "Deleting and Creating a new namespace..."
kubectl delete namespace $K8S_NAMESPACE
kubectl create namespace $K8S_NAMESPACE
printf "\n"
echo "Deploying components and collecting environment variables..."
ENV_VARS_SCRIPT=tfs_bchain_runtime_env_vars.sh
echo "# Environment variables for TeraFlow Mock-Blockchain deployment" > $ENV_VARS_SCRIPT
PYTHONPATH=$(pwd)/src
echo "Processing '$COMPONENT' component..."
IMAGE_NAME="$COMPONENT:$IMAGE_TAG"
IMAGE_URL=$(echo "$REGISTRY_IMAGE/$IMAGE_NAME" | sed 's,//,/,g' | sed 's,http:/,,g')
echo " Building Docker image..."
BUILD_LOG="$TMP_LOGS_FOLDER/build_${COMPONENT}.log"
docker build -t "$IMAGE_NAME" -f ./src/dlt/mock_blockchain/Dockerfile . > "$BUILD_LOG"
if [ -n "$REGISTRY_IMAGE" ]; then
echo " Pushing Docker image to '$REGISTRY_IMAGE'..."
TAG_LOG="$TMP_LOGS_FOLDER/tag_${COMPONENT}.log"
docker tag "$IMAGE_NAME" "$IMAGE_URL" > "$TAG_LOG"
PUSH_LOG="$TMP_LOGS_FOLDER/push_${COMPONENT}.log"
docker push "$IMAGE_URL" > "$PUSH_LOG"
fi
echo " Adapting '$COMPONENT' manifest file..."
MANIFEST="$TMP_MANIFESTS_FOLDER/${COMPONENT}.yaml"
cp ./manifests/"${COMPONENT}".yaml "$MANIFEST"
if [ -n "$REGISTRY_IMAGE" ]; then
# Registry is set
VERSION=$(grep -i "${GITLAB_REPO_URL}/${COMPONENT}:" "$MANIFEST" | cut -d ":" -f3)
sed -E -i "s#image: $GITLAB_REPO_URL/$COMPONENT:${VERSION}#image: $IMAGE_URL#g" "$MANIFEST"
sed -E -i "s#imagePullPolicy: .*#imagePullPolicy: Always#g" "$MANIFEST"
else
# Registry is not set
VERSION=$(grep -i "${GITLAB_REPO_URL}/${COMPONENT}:" "$MANIFEST" | cut -d ":" -f3)
sed -E -i "s#image: $GITLAB_REPO_URL/$COMPONENT:${VERSION}#image: $IMAGE_NAME#g" "$MANIFEST"
sed -E -i "s#imagePullPolicy: .*#imagePullPolicy: Never#g" "$MANIFEST"
fi
echo " Deploying '$COMPONENT' component to Kubernetes..."
DEPLOY_LOG="$TMP_LOGS_FOLDER/deploy_${COMPONENT}.log"
kubectl --namespace $K8S_NAMESPACE apply -f "$MANIFEST" > "$DEPLOY_LOG"
COMPONENT_OBJNAME=$(echo "${COMPONENT}" | sed "s/\_/-/")
kubectl --namespace $K8S_NAMESPACE scale deployment --replicas=0 ${COMPONENT_OBJNAME} >> "$DEPLOY_LOG"
kubectl --namespace $K8S_NAMESPACE scale deployment --replicas=1 ${COMPONENT_OBJNAME} >> "$DEPLOY_LOG"
echo " Collecting env-vars for '$COMPONENT' component..."
SERVICE_DATA=$(kubectl get service ${COMPONENT_OBJNAME} --namespace $K8S_NAMESPACE -o json)
# Env vars for service's host address
SERVICE_HOST=$(echo ${SERVICE_DATA} | jq -r '.spec.clusterIP')
ENVVAR_HOST=$(echo "${COMPONENT}_SERVICE_HOST" | tr '[:lower:]' '[:upper:]')
echo "export ${ENVVAR_HOST}=${SERVICE_HOST}" >> $ENV_VARS_SCRIPT
# Env vars for service's 'grpc' port
SERVICE_PORT_GRPC=$(echo ${SERVICE_DATA} | jq -r '.spec.ports[] | select(.name=="grpc") | .port')
ENVVAR_PORT_GRPC=$(echo "${COMPONENT}_SERVICE_PORT_GRPC" | tr '[:lower:]' '[:upper:]')
echo "export ${ENVVAR_PORT_GRPC}=${SERVICE_PORT_GRPC}" >> $ENV_VARS_SCRIPT
printf "\n"
echo "Waiting for '$COMPONENT' component..."
kubectl wait --namespace $K8S_NAMESPACE \
--for='condition=available' --timeout=300s deployment/${COMPONENT_OBJNAME}
printf "\n"
echo "Deployment Resources:"
kubectl --namespace $K8S_NAMESPACE get all
printf "\n"
echo "Done!"