#0000 - Use helm upgrade --install for all Helm chart installations.

This change ensures idempotency when managing Helm chart installations by upgrading existing releases or installing them if missing. It improves reliability and prevents errors during repeated script executions. Adjustments were applied consistently across all installation scripts.

scripts/00_install_metalLB.sh

@@ -8,4 +8,4 @@ helm repo update
 kubectl create namespace metallb-system || true
 kubectl label namespace metallb-system pod-security.kubernetes.io/enforce=privileged
 
-helm install metallb metallb/metallb --namespace metallb-system -f ./helm-values/metallb.yaml
+helm upgrade --install metallb metallb/metallb --namespace metallb-system -f ./helm-values/metallb.yaml

scripts/02_install_cert_manager.sh

@@ -7,5 +7,5 @@ helm repo update
 
 kubectl create namespace cert-manager || true
 
-helm install cert-manager jetstack/cert-manager --namespace cert-manager -f helm-values/cert-manager.yaml \
+helm upgrade --install cert-manager jetstack/cert-manager --namespace cert-manager -f helm-values/cert-manager.yaml \
   --set installCRDs=true

scripts/04_install_external_dns.sh

@@ -20,7 +20,7 @@ helm repo update
 kubectl create namespace external-dns || true
 
 # Install the external-dns chart with the provided Cloudflare API token
-helm install external-dns bitnami/external-dns --namespace external-dns -f helm-values/external-dns.yaml \
+helm upgrade --install external-dns bitnami/external-dns --namespace external-dns -f helm-values/external-dns.yaml \
   --set provider=cloudflare \
   --set cloudflare.apiToken="$CLOUDFLARE_API_TOKEN" \
   --set txtOwnerId=external-dns

scripts/05_install_longhorn.sh

@@ -46,7 +46,7 @@ kubectl create secret generic longhorn-s3-secret \
   --from-literal=AWS_REGION=eu-west-1
 
 # Install the longhorn chart
-helm install longhorn longhorn/longhorn \
+helm upgrade --install longhorn longhorn/longhorn \
   --namespace longhorn-system \
   --version 1.7.2 \
   -f ./helm-values/longhorn.yaml