Minimal build, again

Signed-off-by: Jacob Kiers <jacob@jacobkiers.net>

.drone.jsonnet

@@ -1,36 +1,130 @@
+local archs = [
+  //  { target: 'aarch64-unknown-linux-gnu', short: 'arm64-gnu' },
+  //  { target: 'aarch64-unknown-linux-musl', short: 'arm64-musl' },
+  //  { target: 'x86_64-pc-windows-gnu', short: 'windows-amd64' },
+  //  { target: 'x86_64-unknown-linux-gnu', short: 'amd64-gnu' },
+  //  { target: 'x86_64-unknown-linux-musl', short: 'amd64-musl' },
+];
+
+local getStepName(arch) = 'Build for ' + arch.short;
+
+local getExeName(arch) = if std.startsWith(arch.short, 'windows') then '.exe' else '';
+
+local add_build_steps() = [
+  {
+    name: getStepName(arch),
+    image: 'img.kie.rs/jjkiers/rust-dind-cross:1.62-slim',
+    volumes: [
+      {
+        name: 'dockersock',
+        path: '/var/run',
+      },
+      {
+        name: 'rustup',
+        path: '/usr/local/rustup',
+      },
+    ],
+    commands: [
+      'echo Hello World from Jsonnet on ' + arch.target + '!',
+      'cross build --release --target ' + arch.target,
+      'cp target/' + arch.target + '/release/drone-test' + getExeName(arch) + ' artifacts/drone-test-' + arch.short + getExeName(arch),
+      'rm -rf target/' + arch.target + '/release/*',
+    ],
+    environment: {
+      CROSS_REMOTE: true,
+    },
+    depends_on: ['Wait for Docker'],
+  }
+  for arch in archs
+];
+
 {
   kind: 'pipeline',
-  type: 'digitalocean',
+  type: 'vm',
   name: 'default',
-  token: {
-    from_secret: 'digitalocean_pat',
+  pool: {
+    use: 'drone-ci-pool',
   },
   platform: {
     arch: 'amd64',
   },
-  server: {
-    image: 'docker-20-04',
-    size: 's-1vcpu-1gb',
-    region: 'fra1',
-  },
   steps:
+    [{
+      name: 'Wait for Docker',
+      image: 'img.kie.rs/jjkiers/rust-dind-cross:1.62-slim',
+      commands: [
+        'while ! docker image ls; do sleep 1; done',
+        'docker info',
+        'docker pull hello-world:latest',
+        'mkdir artifacts',
+      ],
+      volumes: [{
+        name: 'dockersock',
+        path: '/var/run',
+      }],
+    }] +
+    add_build_steps() +
     [
-      //      {
-      //        name: 'Hello bash!',
-      //        image: 'bash:latest',
-      //        commands: [
-      //          'sleep 10',
-      //          'echo Hello from DigitalOcean VM',
-      //        ],
-      //      },
       {
-        name: 'Hello Rust!',
-        image: 'rust:1.65-alpine',
+        name: 'Show built artifacts',
+        image: 'img.kie.rs/jjkiers/rust-dind-cross:1.62-slim',
         commands: [
-          'cargo check',
-          'cargo build',
-          'cargo run',
+          'ls -lah artifacts',
         ],
+        depends_on: [getStepName(a) for a in archs],
+      },
+      {
+        name: 'Create release on gitea',
+        image: 'plugins/gitea-release',
+        settings: {
+          api_key: {
+            from_secret: 'gitea_token',
+          },
+          base_url: 'https://code.kiers.eu',
+          files: 'artifacts/*',
+          checksum: 'sha256',
+        },
+        when: {
+          event: ['tag', 'promote'],
+        },
+        depends_on: ['Show built artifacts'],
       },
     ],
+
+  services: [{
+    name: 'docker',
+    image: 'docker:dind',
+    privileged: true,
+    volumes: [
+      {
+        name: 'dockersock',
+        path: '/var/run',
+      },
+      {
+        name: 'docker-storage',
+        path: '/var/lib/docker',
+      },
+    ],
+  }],
+
+  volumes: [
+    {
+      name: 'dockersock',
+      temp: {},
+    },
+    {
+      name: 'docker-storage',
+      host: {
+        path: '/srv/drone/docker-dind-rust',
+      },
+    },
+    {
+      name: 'rustup',
+      host: {
+        path: '/srv/drone/rustup',
+      },
+    },
+  ],
+
+  image_pull_secrets: ['docker_private_repo'],
 }