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Shared network name should not be handled by tag node mangling
I.e. should not replace underscores with dashed
set service dhcp-server shared-network-name NET_01
shared-network NET_01 {
authoritative;
...
on commit {
set shared-networkname = "NET_01";
}
}
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We had two places were the is_ip, is_ipv4 and is_ipv6 helpers had been defined.
All places now have been converged into vyos.template as they are used both
in the Jinja2 templates and also in our scripts.
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This commit adds support for configuring the DHCPv6 server to serve
"stateless" DHCPv6 clients (those that send an information-request
message and do not request an address).
The change introduces a `common-options` node at the
`shared-network-name` level, which allows specifying options
applicable to clients regardless of subnet assigned (or in the case of
stateless clients, when no subnet is assigned). Parameters specified
at the subnet level take precedence over those set at the
shared-network level.
Presently, only parameters that are meaningful to stateless clients
have been exposed under `common-options`, as there is no precedent of
exposing parameters at multiple levels under the current DHCPv4 or
DHCPv6 configuration syntax. If desired, additional parameters could
certainly be added with relative ease.
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airbag must now be explicitly installed.
the patch also allow to fully disables the installation of the logging
code at setup (and not just installing and doing nothing)
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... no need to reinvent the wheel in our Python code.
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The subnet specific nodes sip-server-address & sip-server-name do the same for
the user - specify a SIP server. Only the backend is rendered in a different
way, as ISC DHCPv6 expects different options. There is absolutely no need for
the user to distinguish between both two nodes.
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- fix wrong unindent
- add missing 'else:'
- add check for all shared-networks disabled
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convert all call to jinja to use template.render
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os.system does print the ouput of the command, run() does not.
A new function called call() does the printing and return the error code.
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As little change a possible but the function call
The behaviour should be totally unchanged.
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- T1435: dhcp-server: make ip-address optional in static-mapping
- remove [REQUIRED] from dhcpv6-server static-mapping identifier and ipv6-address
- verify if static-mapping ipv6-address is in subnet
- make help and error messages in conf-mode more descriptive
- remove regex ^$ anchors (implied in re.fullmatch)
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- change DUID to IAID_DUID
- format IAID_DUID as colon-separated hex list
- implement functions: pool, sort, state
- add op-mode definitions for pool, sort, state
- add columns: State, Type, Last communication, Pool
- implement json output
- implement completionHelp function
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... to have the same pattern as the DHCPDv6 lease file
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A wrong lease file caused the show command to fail:
vyos@vyos:~$ show dhcpv6 server leases
Traceback (most recent call last):
File "/usr/libexec/vyos/op_mode/show_dhcpv6.py", line 81, in <module>
leases = get_leases(lease_file, state='active')
File "/usr/libexec/vyos/op_mode/show_dhcpv6.py", line 44, in get_leases
leases = IscDhcpLeases(lease_file).get()
File "/usr/lib/python3/dist-packages/isc_dhcp_leases/iscdhcpleases.py", line 110, in get
with open(self.filename) as lease_file:
FileNotFoundError: [Errno 2] No such file or directory: '/config/dhcpdv6.leases'
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