merge ci steps

.drone.jsonnet

@@ -0,0 +1,89 @@
+local image = std.extVar("image");
+local app_name = std.extVar("app_name");
+local target_arch = std.extVar("target_arch");
+
+local flags = " --release --target=" + target_arch;
+
+local volume(name, path) = {
+  name: name,
+  path: path,
+};
+
+local volumes = [
+    volume("cargo", "/usr/local/cargo"),
+    volume("target", "/cache/target"),
+    volume("rustup", "/usr/local/rustup"),
+];
+
+local step(name, depends=[], commands=[], env={}) = {
+    name: name,
+    volumes: volumes,
+    image: image,
+    depends_on: depends,
+    commands: commands,
+    environment: env + {
+        CARGO_TARGET_DIR: "/cache/target",
+        APP_NAME: "deploytest",
+    },
+};
+
+local temp_volume(name) = {
+    name: name,
+    temp: {},
+};
+
+local host_volume(name, path) = {
+    name: name,
+    host: {
+        path: path,
+    },
+};
+
+{
+    kind: "pipeline",
+    type: "docker",
+    name: "default",
+    platform: {
+        "os": "linux",
+        "arch": "arm",
+    },
+
+    steps: [
+        step(
+            "validate",
+            commands=["cargo test" + flags],
+        ),
+        step(
+            "test",
+            depends=["validate"],
+            commands=["cargo test" + flags],
+        ),
+        step(
+            "build",
+            depends=["test"],
+            commands=["cargo build" + flags],
+        ),
+        step(
+            "deploy",
+            depends=["build"],
+            commands=["sh scripts/deploy.sh"],
+            env={
+                "TARGET_DIR": "/cache/target/" + target_arch + "/release",
+                "SSH_PRIVATE_KEY": {"from_secret": "ssh_pk_base64"},
+                "SSH_USER": {"from_secret": "SSH_USER"},
+            },
+        ),
+    ],
+
+    volumes: [
+        temp_volume("target"),
+        host_volume("cargo", "/home/pi/.cargo"),
+        host_volume("rustup", "/home/pi/.rustup"),
+    ],
+
+    // BUG: thid does not add.
+    // environment: {
+    //     CARGO_TARGET_DIR: "/cache/target/",
+    //     APP_NAME: "deploytest",
+    // }
+}