DHCP server doesn't work from a live CD
Closed, ResolvedPublicBUG
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	dmbaturin
	Oct 3 2020, 5:30 PM

Description

DHCP server fails to start when running from a live CD. That limits the usefulness of the live CD for testing.

Details

Difficulty level: Unknown (require assessment)
Version: -
Why the issue appeared?: Will be filled on close
Is it a breaking change?: Unspecified (possibly destroys the router)
Issue type: Bug (incorrect behavior)

Related Objects
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		Status	Subtype	Assigned	Task
		Resolved	BUG	dmbaturin	T2958 DHCP server doesn't work from a live CD
		Wontfix	FEATURE REQUEST	None	T1084 Guided setup during installation

Event Timeline

dmbaturin created this task.Oct 3 2020, 5:30 PM

dmbaturin added a subtask: T1084: Guided setup during installation.

dmbaturin added a subscriber: kroy.

pasik subscribed.Oct 3 2020, 5:52 PM

The possible reason, that it can't get the lease file, because that directory not present in the LiveCD

lease_file = "/config/dhcpd.leases"

vyos@vyos:~$ show dhcp server leases 
WARNING: DHCP server is configured but not started. Data may be stale.
Traceback (most recent call last):
  File "/usr/libexec/vyos/op_mode/show_dhcp.py", line 224, in <module>
    leases = get_leases(conf, lease_file, args.state, args.pool, args.sort)
  File "/usr/libexec/vyos/op_mode/show_dhcp.py", line 107, in get_leases
    leases = IscDhcpLeases(lease_file).get()
  File "/usr/lib/python3/dist-packages/isc_dhcp_leases/iscdhcpleases.py", line 120, in get
    with open(self.filename) if not self.gzip else gzip.open(self.filename) as lease_file:
FileNotFoundError: [Errno 2] No such file or directory: '/config/dhcpd.leases'
vyos@vyos:~$

c-po merged a task: T2950: DHCP server cannot start on live CD.Oct 30 2020, 5:52 PM

c-po added a subscriber: cnrd.

dmbaturin removed a project: VyOS 1.2 Crux (VyOS 1.2.7).Feb 11 2021, 2:27 PM

erkin set Issue type to Bug (incorrect behavior).Aug 29 2021, 12:43 PM

erkin removed a subscriber: Active contributors.

syncer edited projects, added VyOS 1.3 Equuleus (1.3.0); removed VyOS 1.3 Equuleus.Nov 6 2021, 11:24 AM

syncer edited projects, added VyOS 1.3 Equuleus (1.3.3); removed VyOS 1.3 Equuleus (1.3.0).Aug 29 2022, 7:04 AM

Viacheslav changed the subtype of this task from "Task" to "Bug".Oct 13 2022, 4:03 PM

syncer edited projects, added VyOS 1.3 Equuleus (1.3.4); removed VyOS 1.3 Equuleus (1.3.3).Jul 12 2023, 9:40 PM

syncer edited projects, added VyOS 1.3 Equuleus (1.3.5); removed VyOS 1.3 Equuleus (1.3.4).Aug 25 2023, 9:29 PM

Viacheslav added a project: VyOS 1.4 Sagitta.Aug 29 2023, 7:37 AM

PR for 1.4 https://github.com/vyos/vyos-1x/pull/2184