feat: add launchd support for macOS

See #18

cleanup.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -ue -o pipefail
+
+run_launchd() {
+  FILEPATH="$HOME/Library/LaunchAgents/com.hetzner.cloud.k8sdev.registry-port-forward.plist"
+  launchctl unload "$FILEPATH" 2> /dev/null || true
+  rm -f "$FILEPATH"
+}
+
+if which launchctl > /dev/null; then
+  run_launchd
+fi

example/Makefile

@@ -21,6 +21,7 @@ up: .terraform env.auto.tfvars
 
 down: .terraform env.auto.tfvars
 	tofu destroy -auto-approve
+	bash files/cleanup.sh
 
 port-forward:
 	source files/env.sh

main-setup.tf

@@ -204,6 +204,12 @@ resource "local_file" "registry_port_forward" {
   file_permission = "0755"
 }
 
+resource "local_file" "cleanup" {
+  source          = "${path.module}/cleanup.sh"
+  filename        = "${path.root}/files/cleanup.sh"
+  file_permission = "0755"
+}
+
 resource "local_file" "env" {
   content         = <<-EOT
     #!/usr/bin/env bash

registry-port-forward.sh

@@ -2,7 +2,7 @@
 
 set -ue -o pipefail
 
-run() {
+run_systemd() {
   unit="k8s-registry-port-forward.service"
   description="Port Forward for Container Registry of k8s dev environment"
 
@@ -17,4 +17,50 @@ run() {
     kubectl port-forward -n kube-system svc/docker-registry 30666:5000
 }
 
-run
+run_launchd() {
+  FILEPATH="$HOME/Library/LaunchAgents/com.hetzner.cloud.k8sdev.registry-port-forward.plist"
+
+  cat > "$FILEPATH" <<EOF
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>Label</key>
+    <string>com.hetzner.cloud.k8sdev.portforward.plist</string>
+    <key>Program</key>
+    <string>$(which kubectl)</string>
+    <key>ProgramArguments</key>
+    <array>
+        <string>kubectl</string>
+        <string>port-forward</string>
+        <string>-n</string>
+        <string>kube-system</string>
+        <string>svc/docker-registry</string>
+        <string>30666:5000</string>
+    </array>
+    <key>EnvironmentVariables</key>
+    <dict>
+        <key>KUBECONFIG</key>
+        <string>$KUBECONFIG</string>
+    </dict>
+    <key>WorkingDirectory</key>
+    <string>$PWD</string>
+    <key>RunAtLoad</key>
+    <true/>
+    <key>KeepAlive</key>
+    <true/>
+</dict>
+</plist>
+EOF
+
+  launchctl load "$FILEPATH"
+}
+
+if which systemctl > /dev/null; then
+  run_systemd
+elif which launchctl > /dev/null; then
+  run_launchd
+else
+  echo "No supported init system found"
+  exit 1
+fi