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-rw-r--r--guix/scripts/offload.scm116
1 files changed, 107 insertions, 9 deletions
diff --git a/guix/scripts/offload.scm b/guix/scripts/offload.scm
index 237a9638d3..ebff11664d 100644
--- a/guix/scripts/offload.scm
+++ b/guix/scripts/offload.scm
@@ -75,6 +75,10 @@
(private-key build-machine-private-key ; file name
(default (user-openssh-private-key)))
(host-key build-machine-host-key) ; string
+ (compression build-machine-compression ; string
+ (default "zlib@openssh.com,zlib"))
+ (compression-level build-machine-compression-level ;integer
+ (default 3))
(daemon-socket build-machine-daemon-socket ; string
(default "/var/guix/daemon-socket/socket"))
(parallel-builds build-machine-parallel-builds ; number
@@ -169,14 +173,16 @@ private key from '~a': ~a")
(session (make-session #:user (build-machine-user machine)
#:host (build-machine-name machine)
#:port (build-machine-port machine)
- #:timeout 5 ;seconds
+ #:timeout 10 ;seconds
;; #:log-verbosity 'protocol
#:identity (build-machine-private-key machine)
;; We need lightweight compression when
;; exchanging full archives.
- #:compression "zlib"
- #:compression-level 3)))
+ #:compression
+ (build-machine-compression machine)
+ #:compression-level
+ (build-machine-compression-level machine))))
(match (connect! session)
('ok
;; Authenticate the server. XXX: Guile-SSH 0.10.1 doesn't know about
@@ -384,7 +390,8 @@ MACHINE."
;; Use exit code 100 for a permanent build failure. The daemon
;; interprets other non-zero codes as transient build failures.
(primitive-exit 100)))
- (build-derivations store (list drv)))
+ (parameterize ((current-build-output-port (build-log-port)))
+ (build-derivations store (list drv))))
(retrieve-files outputs store)
(format (current-error-port) "done with offloaded '~a'~%"
@@ -445,9 +452,11 @@ be read."
(with-store store
(remove (cut valid-path? store <>)
',files)))))
+ (count (length missing))
(port (store-import-channel session)))
- (format #t (_ "sending ~a store files to '~a'...~%")
- (length missing) (session-get session 'host))
+ (format #t (N_ "sending ~a store item to '~a'...~%"
+ "sending ~a store items to '~a'...~%" count)
+ count (session-get session 'host))
;; Send MISSING in topological order.
(export-paths store missing port)
@@ -466,9 +475,11 @@ be read."
"Retrieve FILES from SESSION's store, and import them."
(let* ((session (channel-get-session (nix-server-socket remote)))
(host (session-get session 'host))
- (port (store-export-channel session files)))
- (format #t (_ "retrieving ~a files from '~a'...~%")
- (length files) host)
+ (port (store-export-channel session files))
+ (count (length files)))
+ (format #t (N_ "retrieving ~a store item from '~a'...~%"
+ "retrieving ~a store items from '~a'...~%" count)
+ count host)
;; We cannot use the 'import-paths' RPC here because we already
;; hold the locks for FILES.
@@ -625,6 +636,86 @@ allowed on MACHINE. Return +∞ if MACHINE is unreachable."
;;;
+;;; Installation tests.
+;;;
+
+(define (assert-node-repl node name)
+ "Bail out if NODE is not running Guile."
+ (match (node-guile-version node)
+ (#f
+ (leave (_ "Guile could not be started on '~a'~%")
+ name))
+ ((? string? version)
+ ;; Note: The version string already contains the word "Guile".
+ (info (_ "'~a' is running ~a~%")
+ name (node-guile-version node)))))
+
+(define (assert-node-has-guix node name)
+ "Bail out if NODE lacks the (guix) module, or if its daemon is not running."
+ (match (node-eval node
+ '(begin
+ (use-modules (guix))
+ (with-store store
+ (add-text-to-store store "test"
+ "Hello, build machine!"))))
+ ((? string? str)
+ (info (_ "Guix is usable on '~a' (test returned ~s)~%")
+ name str))
+ (x
+ (leave (_ "failed to use Guix module on '~a' (test returned ~s)~%")
+ name x))))
+
+(define %random-state
+ (delay
+ (seed->random-state (logxor (getpid) (car (gettimeofday))))))
+
+(define (nonce)
+ (string-append (gethostname) "-"
+ (number->string (random 1000000 (force %random-state)))))
+
+(define (assert-node-can-import node name daemon-socket)
+ "Bail out if NODE refuses to import our archives."
+ (let ((session (node-session node)))
+ (with-store store
+ (let* ((item (add-text-to-store store "export-test" (nonce)))
+ (remote (connect-to-remote-daemon session daemon-socket)))
+ (send-files (list item) remote)
+ (if (valid-path? remote item)
+ (info (_ "'~a' successfully imported '~a'~%")
+ name item)
+ (leave (_ "'~a' was not properly imported on '~a'~%")
+ item name))))))
+
+(define (assert-node-can-export node name daemon-socket)
+ "Bail out if we cannot import signed archives from NODE."
+ (let* ((session (node-session node))
+ (remote (connect-to-remote-daemon session daemon-socket))
+ (item (add-text-to-store remote "import-test" (nonce)))
+ (port (store-export-channel session (list item))))
+ (with-store store
+ (if (and (import-paths store port)
+ (valid-path? store item))
+ (info (_ "successfully imported '~a' from '~a'~%")
+ item name)
+ (leave (_ "failed to import '~a' from '~a'~%")
+ item name)))))
+
+(define (check-machine-availability machine-file)
+ "Check that each machine in MACHINE-FILE is usable as a build machine."
+ (let ((machines (build-machines machine-file)))
+ (info (_ "testing ~a build machines defined in '~a'...~%")
+ (length machines) machine-file)
+ (let* ((names (map build-machine-name machines))
+ (sockets (map build-machine-daemon-socket machines))
+ (sessions (map open-ssh-session machines))
+ (nodes (map make-node sessions)))
+ (for-each assert-node-repl nodes names)
+ (for-each assert-node-has-guix nodes names)
+ (for-each assert-node-can-import nodes names sockets)
+ (for-each assert-node-can-export nodes names sockets))))
+
+
+;;;
;;; Entry point.
;;;
@@ -673,6 +764,13 @@ allowed on MACHINE. Return +∞ if MACHINE is unreachable."
(else
(leave (_ "invalid request line: ~s~%") line)))
(loop (read-line)))))))
+ (("test" rest ...)
+ (with-error-handling
+ (let ((file (match rest
+ ((file) file)
+ (() %machine-file)
+ (_ (leave (_ "wrong number of arguments~%"))))))
+ (check-machine-availability (or file %machine-file)))))
(("--version")
(show-version-and-exit "guix offload"))
(("--help")