Resolve shellcheck errors. (#873)

* Resolve shellcheck errors.

* Fix additional Sonar warnings and shellcheck errors.

Author: mfjarvis

grafana/non-prod/docker/build_push_to_ecr.sh

@@ -2,17 +2,17 @@
 
 # Set variables
 
-dirname=$(dirname "$0")
-DOCKERFILE_DIR=$(realpath "$dirname")
-echo "DOCKERFILE_DIR: $DOCKERFILE_DIR"
+dirname=$(dirname "${0}")
+DOCKERFILE_DIR=$(realpath "${dirname}")
+echo "DOCKERFILE_DIR: ${DOCKERFILE_DIR}"
 
-# if parameter not passed, prompt for the environment. 
+# if parameter not passed, prompt for the environment.
 # Do not accept response if it is not one of the following: prod, int, ref, internal-dev
 # loop until valid response is received
-if [ -z "$1" ]; then
+if [[ -z "${1}" ]]; then
   while true; do
-    read -p "Enter the environment (prod, int, ref, internal-dev): " ENVIRONMENT
-    case $ENVIRONMENT in
+    read -r -p "Enter the environment (prod, int, ref, internal-dev): " ENVIRONMENT
+    case "${ENVIRONMENT}" in
       prod|int|ref|internal-dev)
         break
         ;;
@@ -22,10 +22,10 @@ if [ -z "$1" ]; then
     esac
   done
 else
-  ENVIRONMENT=$1
+  ENVIRONMENT="${1}"
 fi
 # Check if the environment is valid
-if [[ ! "$ENVIRONMENT" =~ ^(prod|int|ref|internal-dev)$ ]]; then
+if [[ ! "${ENVIRONMENT}" =~ ^(prod|int|ref|internal-dev)$ ]]; then
   echo "Invalid environment. Please enter one of: prod, int, ref, internal-dev."
   exit 1
 fi
@@ -36,59 +36,57 @@ AWS_REGION="eu-west-2"
 ACCOUNT_ID=$(aws sts get-caller-identity --query Account --output text)
 REPOSITORY_NAME="${PREFIX}-grafana-app"
 IMAGE_TAG="11.0.0-22.04_stable"
-LOCAL_IMAGE_NAME="$REPOSITORY_NAME:$IMAGE_TAG"
-IMAGE_NAME="$ACCOUNT_ID.dkr.ecr.$AWS_REGION.amazonaws.com/$LOCAL_IMAGE_NAME"
+LOCAL_IMAGE_NAME="${REPOSITORY_NAME}:${IMAGE_TAG}"
+IMAGE_NAME="${ACCOUNT_ID}.dkr.ecr.${AWS_REGION}.amazonaws.com/${LOCAL_IMAGE_NAME}"
 TAGS='[
   {"Key": "Environment", "Value": "non-prod"},
   {"Key": "Project", "Value": "immunisation-fhir-api-grafana"},
-  {"Key": "Environment", "Value": "'"$ENVIRONMENT"'"}
+  {"Key": "Environment", "Value": "'"${ENVIRONMENT}"'"}
 ]'
 LIFECYCLE_POLICY_FILE="lifecycle-policy.json"
 
 # Change to the directory containing the Dockerfile
-cd $DOCKERFILE_DIR
+if ! cd "${DOCKERFILE_DIR}"; then
+  echo "DOCKERFILE_DIR not found."
+  exit 1
+fi
 
 # Check if Dockerfile exists
-if [ ! -f Dockerfile ]; then
-  echo "Dockerfile not found in the current directory."
+if [[ ! -f Dockerfile ]]; then
+  echo "Dockerfile not found in DOCKERFILE_DIR."
   exit 1
 fi
 
 # Create ECR repository if it does not exist
-aws ecr describe-repositories --repository-names $REPOSITORY_NAME --region $AWS_REGION > /dev/null 2>&1
-
-if [ $? -ne 0 ]; then
-  echo "Creating ECR repository: $REPOSITORY_NAME"
-  aws ecr create-repository --repository-name $REPOSITORY_NAME --region $AWS_REGION
+if ! aws ecr describe-repositories --repository-names "${REPOSITORY_NAME}" --region "${AWS_REGION}" > /dev/null 2>&1; then
+  echo "Creating ECR repository: ${REPOSITORY_NAME}"
+  aws ecr create-repository --repository-name "${REPOSITORY_NAME}" --region "${AWS_REGION}"
   # Add tags to the repository
-  aws ecr tag-resource --resource-arn arn:aws:ecr:$AWS_REGION:$ACCOUNT_ID:repository/$REPOSITORY_NAME --tags $TAGS
+  aws ecr tag-resource --resource-arn "arn:aws:ecr:${AWS_REGION}:${ACCOUNT_ID}:repository/${REPOSITORY_NAME}" --tags "${TAGS}"
 fi
 
 # Apply lifecycle policy to the ECR repository
-aws ecr put-lifecycle-policy --repository-name $REPOSITORY_NAME --lifecycle-policy-text file://$LIFECYCLE_POLICY_FILE --region $AWS_REGION
+aws ecr put-lifecycle-policy --repository-name "${REPOSITORY_NAME}" --lifecycle-policy-text "file://${LIFECYCLE_POLICY_FILE}" --region "${AWS_REGION}"
 
 printf "Building and pushing Docker image to ECR...\n"
 # Authenticate Docker to ECR
-aws ecr get-login-password --region $AWS_REGION | docker login --username AWS --password-stdin $ACCOUNT_ID.dkr.ecr.$AWS_REGION.amazonaws.com
+aws ecr get-login-password --region "${AWS_REGION}" | docker login --username AWS --password-stdin "${ACCOUNT_ID}.dkr.ecr.${AWS_REGION}.amazonaws.com"
 
 printf "Building Docker image...\n"
 # Remove existing Docker image if it exists
-docker rmi $IMAGE_NAME --force
+docker rmi "${IMAGE_NAME}" --force
 
 # Pull the base image for linux/amd64 architecture
 docker pull --platform linux/amd64 grafana/grafana:latest
 
 # Build Docker image for linux/amd64 architecture and push to ECR
 docker buildx create --use
-docker buildx build --platform linux/amd64 -t $IMAGE_NAME --push .
-
-# Check if the build was successful
-if [ $? -ne 0 ]; then
+if ! docker buildx build --platform linux/amd64 -t "${IMAGE_NAME}" --push .; then
   echo "Docker build failed."
   exit 1
 fi
 
 # Inspect the built image
-echo "Image: $LOCAL_IMAGE_NAME"
+echo "Image: ${LOCAL_IMAGE_NAME}"
 
-echo "Docker image built and pushed to ECR successfully."
+echo "Docker image built and pushed to ECR successfully."

grafana/non-prod/docker/run.sh

@@ -1,32 +1,31 @@
-#!/bin/sh
+#!/bin/bash
+
 echo "Grafana Docker container startup..."
 
 GRAFANA_SERVER_PATH=$(which grafana-server)
-if [ -z "$GRAFANA_SERVER_PATH" ]; then
+if [[ -z "${GRAFANA_SERVER_PATH}" ]]; then
     echo "grafana-server not found. Exiting."
     exit 1
 else
-    echo "grafana-server found at $GRAFANA_SERVER_PATH"
+    echo "grafana-server found at ${GRAFANA_SERVER_PATH}"
 fi
 
 echo "Starting Grafana with environment variables:"
 env | grep GF_
 
 # Check if Grafana configuration exists
-if [ ! -f /etc/grafana/grafana.ini ]; then
+if [[ ! -f /etc/grafana/grafana.ini ]]; then
     echo "Grafana configuration not found. Exiting."
     exit 1
 fi
 
-GF_UPDATE_CHECK=false
-
 # Start Grafana in the foreground
 echo "Starting Grafana server..."
-exec $GF_PATHS_HOME/bin/grafana-server \
-  --homepath=$GF_PATHS_HOME \
+exec "${GF_PATHS_HOME}/bin/grafana-server" \
+  --homepath="${GF_PATHS_HOME}" \
   --config=/etc/grafana/grafana.ini \
   --packaging=docker \
   cfg:default.paths.data=/var/lib/grafana \
   cfg:default.paths.logs=/var/log/grafana \
   cfg:default.paths.plugins=/var/lib/grafana/plugins \
-  cfg:default.paths.provisioning=/etc/grafana/provisioning
+  cfg:default.paths.provisioning=/etc/grafana/provisioning