Igor Ryzhov [Wed, 24 Jan 2024 03:11:07 +0000 (05:11 +0200)]
zebra, build: disable irdp by default
IRDP client (rdisc) was deleted from iputils more than 2 years ago. It's
time to drop IRDP, but first let's stop building and including it in the
packages by default to see if anyone will be complaining.
Igor Ryzhov [Sun, 28 Jan 2024 21:23:57 +0000 (23:23 +0200)]
lib, mgmtd, zebra: cleanup of zebra conversion to mgmtd
- use `apply_finish` callback when possible to avoid multiple applies per commit
- move table range working to the CLI handler
- remove unnecessary conditional compilation
- remove unnecessary boolean conversion
Igor Ryzhov [Sat, 27 Jan 2024 04:20:22 +0000 (06:20 +0200)]
build: remove mgmtd exception from xref2vtysh
We may actually need to send CLI commands to mgmtd and another daemon at
the same time, for example, if this daemon is not mgmtd-converted. The
only daemon this exception protects is staticd. But we don't actually
need any configuration commands in staticd, so just remove the exception
and don't install unnecessary commands to staticd.
Igor Ryzhov [Wed, 24 Jan 2024 20:26:47 +0000 (22:26 +0200)]
lib: fix yang_dnode_dup
When duplicating nodes, we should always keep flags, especially the
LYD_NEW flag that indicates not validated data. This allows to select a
new choice's case without the need to explicitly remove the existing one.
Igor Ryzhov [Sat, 27 Jan 2024 11:11:08 +0000 (13:11 +0200)]
zebra: make vrf netns commands do nothing
These commands don't really provide any functionality. VRF is associated
with netns automatically based on its name, and it's not possible to
associate VRF and netns with different names with these commands:
- When trying to assosiate a VRF with an already existing netns with a
different name:
`NS /run/netns/test is already configured with VRF 1(test)`
- When trying to assiciate a VRF with a non-existing netns, so they
become linked once the netns is created:
`Invalid pathname for /run/netns/test: No such file or directory`
- When doing "no netns" to unlink the netns and link it back to the same
VRF:
`VRF 1 is already configured with VRF test`
- When doing "no netns" to unlink the netns and link it to another VRF:
`Can not associate NS 4294967295 with NETNS /run/netns/test`
As shown above, not a single usecase is working. We can't remove them
completely to preserve backwards-compatibility, so just make them empty.
The main reason for this change is not to spend a lot of time trying to
figure out how to convert them to northbound.
Igor Ryzhov [Sat, 20 Jan 2024 01:43:18 +0000 (03:43 +0200)]
lib: fix conversion of yang decimal64 to double
Current denominators are not integers and some of them lose precision
because of that, for example, 1e-6 is actually stored as
9.9999999999999995e-07 and 1-e12 is stored as 9.9999999999999998e-13.
When multiplying by such denominators, we receive incorrect values.
Changing denominators to integers and using division instead of
multiplication improves precision and solves the problem.
Igor Ryzhov [Fri, 19 Jan 2024 11:06:53 +0000 (13:06 +0200)]
zebra: convert interface link-params command to NB
Make link-params a presence container and activate it when entering the
node. The "enable" command is not necessary anymore but kept hidden for
backwards compatibility.
Igor Ryzhov [Wed, 17 Jan 2024 12:28:13 +0000 (14:28 +0200)]
zebra: convert inteface multicast command to NB
Introduce new "[no] multicast <enable|disable>" command to be able to
remove the configuration. Current "[no] multicast" command cannot be
removed. Current command is hidden but still works for backwards
compatibility.
Igor Ryzhov [Sat, 27 Jan 2024 23:18:10 +0000 (01:18 +0200)]
mgmtd: fix get-data transaction hangup
When no data requests were sent to the backends, return immediately,
instead of waiting for a timeout. This can happen if backends providing
the requested data are not connected to mgmtd.
David Lamparter [Thu, 25 Jan 2024 19:29:14 +0000 (20:29 +0100)]
build: homologize path handling
Use consistent `e_somepath` names for expanded versions of `somepath`.
Also remove all paths from `config.h` and put them into
`lib/config_paths.h` - this is to make more obvious when someone is
doing something probably not quite properly structured.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
David Lamparter [Thu, 25 Jan 2024 18:59:22 +0000 (19:59 +0100)]
lib, mgmtd: fix commit history location
Both of these belong in `/var/lib`, not `/var/run`.
Rather hilariously, the history read in
`mgmt_history_read_cmt_record_index` was always failing, because it was
doing a `file_exists(MGMTD_COMMIT_FILE_PATH)` check. Which is the wrong
macro - it's `.../commit-%s.json`, including the unprocessed `%s`, which
would never exist.
I guess noone ever tried if this actually works. Cool.
On the plus side, this means I don't have to implement legacy
compatibility for this, since it never worked to begin with.
(SQLite3 DB location is also changed in this commit since it also uses
`DAEMON_DB_DIR`.)
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
David Lamparter [Thu, 25 Jan 2024 18:37:26 +0000 (19:37 +0100)]
ospf6d: fix GR & auth seqno state location
Unfortunately, `ospf6d` is much worse than `ospfd` and `isisd` regarding
its state saving, due to the existence of the auth trailer code.
Again, this belongs in `/var/lib`, not `/var/run`.
Merge both state files into one, and add reconciliation code for the
auth seqno.
I'm gonna save my comment on the fact that `ospf6_auth_seqno_nvm_delete`
is not in fact used anywhere. Which is now a warning because it's
`static`. Well. It probably should be used somewhere, so leave it in.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
David Lamparter [Thu, 25 Jan 2024 17:09:17 +0000 (18:09 +0100)]
lib: create `frr_daemon_state_{load,save}`
These functions load daemon-specific persistent state from
`/var/lib/frr` and supersede open-coded variants of similar calls in
ospfd, ospf6d and isisd to save GR state and/or sequence numbers.
Unlike the open-coded variants, the save call correctly `fsync()`s the
saved data to ensure disk contents are consistent.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
David Lamparter [Wed, 24 Jan 2024 18:32:10 +0000 (19:32 +0100)]
build: untangle sysconfdir & localstatedir
`--sysconfdir` should be `/etc` and `--localstatedir` should be `/var`.
The package-specific subdirectory should be added by configure, not
given by the user, to match established behavior by other packages.
Note that `--bindir`, `--sbindir`, `--libdir` and `--libexecdir` have
different established/expected behavior due to distro specific
multi-arch support. That's why these are left unchanged.
The reason this is getting fixed now is that we need to use
`--localstatedir` for its actual value to put things in `/var/lib`. As
it is now, being overloaded for `/run`, the configured `/var` path
becomes inaccessible.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
Igor Ryzhov [Thu, 25 Jan 2024 11:54:45 +0000 (13:54 +0200)]
mgmtd: fix commit request overwrite
There are places, where we can receive an existing commit transaction.
If we don't check that the request already exists, it gets overwritten
and we start having problems with transaction refcounters. Forbid having
multiple configuration sessions simultaneously.
Igor Ryzhov [Thu, 25 Jan 2024 11:51:58 +0000 (13:51 +0200)]
mgmtd: cleanup txn without scheduling
If the transaction is not cleaned up immediately, it can be still
referenced by some threds. If it's a commit thread and it's executed
before the actual cleanup, mgmtd crashes because of the missing
commit_cfg_req.
Igor Ryzhov [Fri, 26 Jan 2024 14:57:41 +0000 (16:57 +0200)]
lib: fix removing access/prefix lists
CLI for access/prefix list removal was using `nb_cli_apply_changes`
multiple times in the same command. It's fine for regular daemons but
not for mgmtd. Refactor the code to apply changes only once.
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