fix: add 'set -eu' to local-exec commands for improved error handling

Author: ivictbor

adminforth/documentation/blog/2024-10-31-compose-ec2-deployment/index.md

@@ -210,6 +210,8 @@ resource "null_resource" "sync_files_and_run" {
   provisioner "local-exec" {
     # heredoc syntax
     command = <<-EOF
+    set -eu
+
     rsync -t -av \
       --delete \
       --exclude 'node_modules' \

adminforth/documentation/blog/2024-11-14-compose-ec2-deployment-ci/index.md

@@ -255,6 +255,8 @@ resource "null_resource" "sync_files_and_run" {
     # heredoc syntax
     # remove files that where deleted on the source
     command = <<-EOF
+    set -eu
+
     #  -o StrictHostKeyChecking=no
     rsync -t -av -e "ssh -i ./.keys/id_rsa -o StrictHostKeyChecking=no" \
       --delete \

adminforth/documentation/blog/2025-02-19-compose-aws-ec2-ecr-terraform-github-actions/index.md

@@ -480,6 +480,8 @@ resource "null_resource" "sync_files_and_run" {
 
   provisioner "local-exec" {
     command = <<-EOF
+      set -eu
+
       aws ecr get-login-password --region ${local.aws_region} --profile myaws | docker login --username AWS --password-stdin ${aws_ecr_repository.myadmin_repo.repository_url}
 
       echo "Running build"

adminforth/documentation/blog/2025-02-19-compose-ec2-deployment-github-actions-registry/index.md

@@ -337,6 +337,8 @@ resource "null_resource" "wait_for_user_data" {
 resource "null_resource" "setup_registry" {
   provisioner "local-exec" {
     command = <<-EOF
+      set -eu
+
       echo "Generating secret for local registry"
       sha256sum ./.keys/id_rsa | cut -d ' ' -f1 | tr -d '\n' > ./.keys/registry.pure
 
@@ -396,6 +398,7 @@ resource "null_resource" "sync_files_and_run" {
 
   provisioner "local-exec" {
     command = <<-EOF
+      set -eu
 
       # map appserver.local to the instance (in CI we don't know the IP, so have to use this mapping)
       # so then in GA pipeline we will use 

adminforth/documentation/blog/2025-11-04-k3s-ec2-deployment/index.md

@@ -232,6 +232,8 @@ resource "null_resource" "wait_ssh" {
   provisioner "local-exec" {
     command = <<EOT
     bash -c '
+    set -eu
+
     for i in {1..10}; do
       nc -zv ${aws_instance.ec2_instance.public_ip} 22 && echo "SSH is ready!" && exit 0
       sleep 5
@@ -258,7 +260,7 @@ resource "null_resource" "ansible_provision" {
     interpreter = ["/bin/bash", "-c"]
 
     command = <<-EOT
-      set -e
+      set -eu
       ANSIBLE_HOST_KEY_CHECKING=False ansible-galaxy collection install community.kubernetes
       ANSIBLE_HOST_KEY_CHECKING=False ansible-playbook -i ${path.module}/../ansible/inventory.ini ${local.ansible_dir}/playbook.yaml 
     EOT
@@ -294,7 +296,7 @@ resource "null_resource" "docker_build_and_push" {
 
   provisioner "local-exec" {
     command = <<-EOT
-      set -e
+      set -eu
       unset DOCKER_HOST
 
       REPO_URL="${aws_ecr_repository.app_repo.repository_url}"