base.pkr.hcl: install guest agent for Tart VMs (#227)

* base.pkr.hcl: install guest agent for Tart VMs

* Don't forget to "source ~/.zprofile" to have "brew" available

data/tart-guest-agent.plist

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <dict>
+        <key>Label</key>
+        <string>org.cirruslabs.tart-guest-agent</string>
+        <key>Program</key>
+        <string>/opt/homebrew/bin/tart-guest-agent</string>
+        <key>EnvironmentVariables</key>
+        <dict>
+            <key>PATH</key>
+            <string>/bin:/usr/bin:/usr/local/bin:/opt/homebrew/bin</string>
+        </dict>
+        <key>WorkingDirectory</key>
+        <string>/var/empty</string>
+        <key>RunAtLoad</key>
+        <true/>
+        <key>KeepAlive</key>
+        <true/>
+        <key>StandardOutPath</key>
+        <string>/var/log/tart-guest-agent.log</string>
+        <key>StandardErrorPath</key>
+        <string>/var/log/tart-guest-agent.log</string>
+    </dict>
+</plist>

templates/base.pkr.hcl

@@ -149,4 +149,20 @@ build {
       "brew doctor"
     ]
   }
+
+  // Guest agent for Tart VMs
+  provisioner "file" {
+    source      = "data/tart-guest-agent.plist"
+    destination = "~/tart-guest-agent.plist"
+  }
+  provisioner "shell" {
+    inline = [
+      "source ~/.zprofile",
+      "brew install cirruslabs/cli/tart-guest-agent",
+      "sudo mv ~/tart-guest-agent.plist /Library/LaunchDaemons/org.cirruslabs.tart-guest-agent.plist",
+      "sudo chown root:wheel /Library/LaunchDaemons/org.cirruslabs.tart-guest-agent.plist",
+      "sudo chmod 0644 /Library/LaunchDaemons/org.cirruslabs.tart-guest-agent.plist",
+    ]
+  }
 }
+