Allow to create namespace when it does not exist

CHANGELOG.md

@@ -6,6 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+- Add namespace validation and auto-creation
 - Add deployment hints for failed deployments
 - Add wait for ingress reconciliation
 - Only wait for blue deployment when using rolling deployment strategy

k8s/scope/build_context

@@ -4,6 +4,27 @@ K8S_NAMESPACE=$(echo "$CONTEXT" | jq -r --arg default "$K8S_NAMESPACE" '
   .providers["container-orchestration"].cluster.namespace // $default
 ')
 
+echo "Validating namespace $K8S_NAMESPACE exists"
+
+if ! kubectl get namespace "$K8S_NAMESPACE" &> /dev/null; then
+  echo "Namespace '$K8S_NAMESPACE' does not exist in the cluster."
+
+  CREATE_K8S_NAMESPACE_IF_NOT_EXIST="${CREATE_K8S_NAMESPACE_IF_NOT_EXIST:-true}"
+
+  if [ "$CREATE_K8S_NAMESPACE_IF_NOT_EXIST" = "true" ]; then
+    echo "Creating namespace '$K8S_NAMESPACE'..."
+
+    kubectl create namespace "$K8S_NAMESPACE" --dry-run=client -o yaml | \
+      kubectl label -f - nullplatform=true --dry-run=client -o yaml | \
+      kubectl apply -f -
+
+    echo "Namespace '$K8S_NAMESPACE' created successfully."
+  else
+    echo "Error: Namespace '$K8S_NAMESPACE' does not exist and CREATE_K8S_NAMESPACE_IF_NOT_EXIST is set to false."
+    exit 1
+  fi
+fi
+
 USE_ACCOUNT_SLUG=$(echo "$CONTEXT" | jq -r --arg default "$USE_ACCOUNT_SLUG" '
   .providers["cloud-providers"].networking.application_domain // $default
 ')

k8s/values.yaml

@@ -3,6 +3,7 @@ provider_categories:
   - cloud-providers
 configuration:
   K8S_NAMESPACE: nullplatform
+  CREATE_K8S_NAMESPACE_IF_NOT_EXIST: true
   DOMAIN: nullapps.io
 #  PRIVATE_DOMAIN: nullapps.io
   USE_ACCOUNT_SLUG: false