VirtualMachine: Implement virtual machines using KubeVirt

Auto adds new VM into given user's Tailscale network

Change-Id: I16847a0b9eacc17b0e794d3b4913eb1d80a93f0a
diff --git a/core/installer/values-tmpl/virtual-machine.cue b/core/installer/values-tmpl/virtual-machine.cue
new file mode 100644
index 0000000..292c082
--- /dev/null
+++ b/core/installer/values-tmpl/virtual-machine.cue
@@ -0,0 +1,72 @@
+input: {
+	name: string @name(Hostname)
+	username: string @name(Username)
+	authKey: string @name(Auth Key) @role(VPNAuthKey) @usernameField(username)
+	cpuCores: int | *1 @name(CPU Cores)
+	memory: string | *"2Gi" @name(Memory)
+}
+
+name: "Virutal Machine"
+namespace: "app-vm"
+readme: "Virtual Machine"
+description: "Virtual Machine"
+icon: """
+<svg xmlns="http://www.w3.org/2000/svg" width="50" height="50" viewBox="0 0 2048 2048"><path fill="currentColor" d="M1280 384H640V256h640zm0 1024H640v-128h640zm0 256H640v-128h640zM1408 0q27 0 50 10t40 27t28 41t10 50v1792H384V128q0-27 10-50t27-40t41-28t50-10zm0 128H512v1664h896z"/></svg>"""
+
+charts: {
+	virtualMachine: {
+		kind: "GitRepository"
+		address: "https://code.v1.dodo.cloud/helm-charts"
+		branch: "main"
+		path: "charts/virtual-machine"
+	}
+}
+
+helm: {
+	"virtual-machine": {
+		chart: charts.virtualMachine
+		values: {
+			name: input.name
+			cpuCores: input.cpuCores
+			memory: input.memory
+			disk: {
+				source: "https://cloud.debian.org/images/cloud/bookworm-backports/latest/debian-12-backports-generic-amd64.qcow2"
+				size: "64Gi"
+			}
+			ports: [22, 8080]
+			cloudInit: userData: _cloudInitUserData
+		}
+	}
+}
+
+_cloudInitUserData: {
+	system_info: {
+		default_user: {
+			name: input.username
+			home: "/home/\(input.username)"
+		}
+	}
+	password: "dodo" // TODO(gio): remove if possible
+	chpasswd: {
+		expire: false
+	}
+	hostname: input.name
+	ssh_pwauth: true
+	disable_root: false
+	ssh_authorized_keys: [
+		"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOa7FUrmXzdY3no8qNGUk7OPaRcIUi8G7MVbLlff9eB/ lekva@gl-mbp-m1-max.local"
+    ]
+	runcmd: [
+		["sh", "-c", "curl -fsSL https://tailscale.com/install.sh | sh"],
+		// TODO(gio): take auth key from input
+		// TODO(gio): enable tailscale ssh
+		["sh", "-c", "tailscale up --login-server=https://headscale.\(global.domain) --auth-key=\(input.authKey) --accept-routes"],
+		["sh", "-c", "curl -fsSL https://code-server.dev/install.sh | HOME=/home/\(input.username) sh"],
+		["sh", "-c", "systemctl enable --now code-server@\(input.username)"],
+		["sh", "-c", "sleep 10"],
+		// TODO(gio): listen only on tailscale interface
+		["sh", "-c", "sed -i -e 's/127.0.0.1/0.0.0.0/g' /home/\(input.username)/.config/code-server/config.yaml"],
+		["sh", "-c", "sed -i -e 's/auth: password/auth: none/g' /home/\(input.username)/.config/code-server/config.yaml"],
+		["sh", "-c", "systemctl restart --now code-server@\(input.username)"],
+    ]
+}