implement cli/infra update cicd

src/materia/workers.py

@@ -0,0 +1,44 @@
+"""Worker instance management."""
+
+from materia.providers import Instance, get_provider
+from materia.secrets import get_secret
+
+
+DEFAULT_PROVIDER = "hetzner"
+
+
+def list_workers(provider: str = DEFAULT_PROVIDER) -> list[Instance]:
+    p = get_provider(provider)
+    return p.list_instances()
+
+
+def create_worker(
+    name: str,
+    server_type: str,
+    provider: str = DEFAULT_PROVIDER,
+    location: str | None = None,
+) -> Instance:
+    ssh_key = get_secret("SSH_PUBLIC_KEY")
+    if not ssh_key:
+        raise ValueError("SSH_PUBLIC_KEY not found in secrets")
+
+    p = get_provider(provider)
+    instance = p.create_instance(name, server_type, ssh_key, location)
+
+    if not p.wait_for_ssh(instance.ip):
+        raise RuntimeError(f"SSH never became available on {instance.ip}")
+
+    return instance
+
+
+def destroy_worker(name: str, provider: str = DEFAULT_PROVIDER) -> None:
+    p = get_provider(provider)
+    instance = p.get_instance(name)
+    if not instance:
+        raise ValueError(f"Worker '{name}' not found")
+    p.destroy_instance(instance.id)
+
+
+def get_worker(name: str, provider: str = DEFAULT_PROVIDER) -> Instance | None:
+    p = get_provider(provider)
+    return p.get_instance(name)