services: guix-build-coordinator: Add dynamic auth with file record.

* gnu/services/guix.scm (guix-build-coordinator-agent-dynamic-auth-with-file,
guix-build-coordinator-agent-dynamic-auth-with-filen?,
guix-build-coordinator-agent-dynamic-auth-with-file-agent-name,
guix-build-coordinator-agent-dynamic-auth-with-file-token-file): New procedures.
(guix-build-coordinator-agent-shepherd-services): Handle new dynamic auth with
file record.
* doc/guix.texi (Guix Build Coordinator): Document the new dynamic auth with
file record.

diff --git a/doc/guix.texi b/doc/guix.texi
index e8fb346..763603b 100644 (file)
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -31034,6 +31034,23 @@ database, and is used by the agent to authenticate.
 @end table
 @end deftp
 
+@deftp {Data Type} guix-build-coordinator-agent-dynamic-auth-with-file
+Data type representing an agent authenticating with a coordinator via a
+dyanmic auth token read from a file and agent name.
+
+@table @asis
+@item @code{agent-name}
+Name of an agent, this is used to match up to an existing entry in the
+database if there is one.  When no existing entry is found, a new entry
+is automatically added.
+
+@item @code{token-file}
+File containing the dynamic auth token, this is created and stored in
+the coordinator database, and is used by the agent to authenticate.
+
+@end table
+@end deftp
+
 The Guix Build Coordinator package contains a script to query an
 instance of the Guix Data Service for derivations to build, and then
 submit builds for those derivations to the coordinator.  The service

diff --git a/gnu/services/guix.scm b/gnu/services/guix.scm
index b0d2c05..d1d31fe 100644 (file)
--- a/gnu/services/guix.scm
+++ b/gnu/services/guix.scm
@@ -76,6 +76,11 @@
             guix-build-coordinator-agent-dynamic-auth-agent-name
             guix-build-coordinator-agent-dynamic-auth-token
 
+            guix-build-coordinator-agent-dynamic-auth-with-file
+            guix-build-coordinator-agent-dynamic-auth-with-file?
+            guix-build-coordinator-agent-dynamic-auth-with-file-agent-name
+            guix-build-coordinator-agent-dynamic-auth-with-file-token-file
+
             guix-build-coordinator-agent-service-type
 
             guix-build-coordinator-queue-builds-configuration
@@ -180,6 +185,13 @@
   (agent-name          guix-build-coordinator-agent-dynamic-auth-agent-name)
   (token               guix-build-coordinator-agent-dynamic-auth-token))
 
+(define-record-type* <guix-build-coordinator-agent-dynamic-auth-with-file>
+  guix-build-coordinator-agent-dynamic-auth-with-file
+  make-guix-build-coordinator-agent-dynamic-auth-with-file
+  guix-build-coordinator-agent-dynamic-auth-with-file?
+  (agent-name      guix-build-coordinator-agent-dynamic-auth-with-file-agent-name)
+  (token-file      guix-build-coordinator-agent-dynamic-auth-with-file-token-file))
+
 (define-record-type* <guix-build-coordinator-queue-builds-configuration>
   guix-build-coordinator-queue-builds-configuration
   make-guix-build-coordinator-queue-builds-configuration
@@ -381,7 +393,13 @@
                            (($ <guix-build-coordinator-agent-dynamic-auth>
                                agent-name token)
                             #~(#$(string-append "--name=" agent-name)
-                               #$(string-append "--dynamic-auth-token=" token))))
+                               #$(string-append "--dynamic-auth-token=" token)))
+                           (($
+                             <guix-build-coordinator-agent-dynamic-auth-with-file>
+                             agent-name token-file)
+                            #~(#$(string-append "--name=" agent-name)
+                               #$(string-append "--dynamic-auth-token-file="
+                                                token-file))))
                       #$(simple-format #f "--max-parallel-builds=~A"
                                        max-parallel-builds)
                       #$@(if derivation-substitute-urls