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linux-container: Remove networking service when network is shared with host.

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* gnu/system/linux-container.scm (dummy-networking-service-type): New
variable.
(containerized-operating-system): If network is shared with host, replace
static-networking-service-type with dummy-networking-service-type.
This commit is contained in:
Arun Isaac 2019-05-25 11:49:42 +05:30
parent cb13618b6d
commit b84c4cda04
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GPG key ID: 2E25EE8B61802BB3
1 changed files with 24 additions and 5 deletions
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29
gnu/system/linux-container.scm
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@ -30,6 +30,7 @@
#:use-module (gnu build linux-container)
#:use-module (gnu services)
#:use-module (gnu services base)
#:use-module (gnu services shepherd)
#:use-module (gnu system)
#:use-module (gnu system file-systems)
#:export (system-container
@ -65,6 +66,16 @@ from OS that are needed on the bare metal and not in a container."
files)))
base)))
(define dummy-networking-service-type
(shepherd-service-type
'dummy-networking
(const (shepherd-service
(documentation "Provide loopback and networking without actually
doing anything.")
(provision '(loopback networking))
(start #~(const #t))))
#f))
(define* (containerized-operating-system os mappings
#:key
shared-network?
@ -96,7 +107,8 @@ containerized OS. EXTRA-FILE-SYSTEMS is a list of file systems to add to OS."
agetty-service-type)
;; Remove nscd service if network is shared with the host.
(if shared-network?
(list nscd-service-type)
(list nscd-service-type
static-networking-service-type)
(list))))
(operating-system
@ -105,10 +117,17 @@ containerized OS. EXTRA-FILE-SYSTEMS is a list of file systems to add to OS."
(essential-services (container-essential-services
this-operating-system
#:shared-network? shared-network?))
(services (remove (lambda (service)
(memq (service-kind service)
useless-services))
(operating-system-user-services os)))
(services (append (remove (lambda (service)
(memq (service-kind service)
useless-services))
(operating-system-user-services os))
;; Many Guix services depend on a 'networking' shepherd
;; service, so make sure to provide a dummy 'networking'
;; service when we are sure that networking is already set up
;; in the host and can be used. That prevents double setup.
(if shared-network?
(list (service dummy-networking-service-type))
'())))
(file-systems (append (map mapping->fs
(if shared-network?
(append %network-file-mappings mappings)