Add script to validate required env vars

Add script to verify that all required env vars are supplied in the .env file

crib/devspace.yaml

@@ -15,22 +15,22 @@ pipelines:
     run: |-
       tagOverride=$(get_flag "override-image-tag")
       run_dependencies --all
-
+      
       if [[ -n "${tagOverride}" ]]; then
         image=${DEVSPACE_IMAGE}:${tagOverride}
         echo "Using user provided image: $image" 
-
+      
         args=""
         for i in {0..5}; do
           args+="--set=helm.values.chainlink.nodes[$i].image=$image "
         done
-
+      
         create_deployments app $args
       else
         build_images --all
         create_deployments app 
       fi
-
+      
       echo
       echo "Namespace ${DEVSPACE_NAMESPACE} will be deleted in ${NS_TTL}"
       echo "To extend the TTL for e.g. 72 hours, run:"
@@ -71,6 +71,8 @@ images:
         MACOS_SDK_DIR=$(pwd)/tools/bin/MacOSX12.3.sdk IMAGE=$image ./tools/bin/goreleaser_wrapper release --snapshot --clean --config .goreleaser.devspace.yaml
         docker push $image
 hooks:
+  - command: ./scripts/check_env_vars.sh
+    events: ["before:deploy:app"]
   - wait:
       running: true
       terminatedWithCode: 0

crib/scripts/check_env_vars.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+# List of required environment variables
+required_vars=(
+  "DEVSPACE_IMAGE"
+  "DEVSPACE_INGRESS_CIDRS"
+  "DEVSPACE_INGRESS_BASE_DOMAIN"
+  "DEVSPACE_INGRESS_CERT_ARN"
+  "DEVSPACE_K8S_POD_WAIT_TIMEOUT"
+  "NS_TTL"
+  "DEVSPACE_CCIP_SCRIPTS_IMAGE"
+  "DEVSPACE_CCIP_SCRIPTS_OIDC_ROLE_ARN"
+  "DEVSPACE_CCIP_SCRIPTS_OUTPUT_BUCKET_NAME"
+  )
+
+missing_vars=0  # Counter for missing variables
+
+# Check each variable
+for var in "${required_vars[@]}"; do
+  if [ -z "${!var}" ]; then  # If variable is unset or empty
+    echo "Error: Environment variable $var is not set."
+    missing_vars=$((missing_vars + 1))
+  fi
+done
+
+# Exit with an error if any variables were missing
+if [ $missing_vars -ne 0 ]; then
+  echo "Total missing environment variables: $missing_vars"
+  exit 1
+else
+  echo "All required environment variables are set."
+fi