1 files changed, 59 insertions, 0 deletions
diff --git a/gnu/machine.scm b/gnu/machine.scm
new file mode 100644
index 0000000000..4fde7d5c01
--- /dev/null
+++ b/gnu/machine.scm
@@ -0,0 +1,59 @@
+(define-module (gnu machine)
+  #:use-module ((gnu packages package-management) #:select (guix))
+  #:use-module (gnu system)
+  #:use-module (guix derivations)
+  #:use-module (guix inferior)
+  #:use-module (guix packages)
+  #:use-module (guix ssh)
+  #:use-module (guix store)
+  #:use-module (oop goops)
+  #:use-module (ssh session)
+  #:export (<machine>
+            system
+            display-name
+            build-os
+            deploy-os
+            remote-eval
+
+            <sshable-machine>
+            host-name
+            ssh-port
+            ssh-user))
+
+(define-class <machine> ()
+  (system #:getter system #:init-keyword #:system))
+
+(define-method (display-name (machine <machine>))
+  (operating-system-host-name (system machine)))
+
+(define-method (build-os (machine <machine>) store)
+  (let* ((guixdrv (run-with-store store (package->derivation guix)))
+         (guixdir (and (build-derivations store (list guixdrv))
+                       (derivation->output-path guixdrv)))
+         (osdrv (run-with-store store (operating-system-derivation
+                                       (system machine)))))
+    (and (build-derivations store (list osdrv))
+         (list (derivation-file-name osdrv)
+               (derivation->output-path osdrv)))))
+
+(define-method (deploy-os (machine <machine>) store osdrv)
+  (error "not implemented"))
+
+(define-method (remote-eval (machine <machine>) exp)
+  (error "not implemented"))
+
+(define-class <sshable-machine> (<machine>)
+  (host-name #:getter host-name #:init-keyword #:host-name)
+  (ssh-port #:getter ssh-port #:init-keyword #:ssh-port #:init-form 22)
+  (ssh-user #:getter ssh-user #:init-keyword #:ssh-user #:init-form "root")
+  ;; ??? - SSH key config?
+  )
+
+(define-method (deploy-os (machine <sshable-machine>) store osdrvs)
+  (let ((session (open-ssh-session (host-name machine)
+                                   #:user (ssh-user machine)
+                                   #:port (ssh-port machine))))
+    (with-store store (send-files store osdrvs
+                                  (connect-to-remote-daemon session)
+                                  #:recursive? #t))
+    #t))