This pull request was cherry picked from "#1238" to resolve the conflicts.
- Why I did it
Add support to specify source address for TACACS+
- How I did it
Add patches for libpam-tacplus and libnss-tacplus. The patches parse the new option 'src_ip' and store the converted addrinfo. Then the addrinfo is used for TACACS+ connection.
Add a attribute 'src_ip' for table "TACPLUS|global" in configDB
Add some code to adapt to the attribute 'src_ip'.
- How to verify it
Config command for source address PR in sonic-utilities
config tacacs src_ip <ip_address>
- Description for the changelog
Add patches to specify source address for the TACACS+ outgoing packets.
- A picture of a cute animal (not mandatory but encouraged)
**UT logs: **
UT_tacacs_source_intf.txt
- Ensure all features (services) are in the configured state when hostcfgd starts
- Better functionalization of code
- Also replace calls to deprecated `has_key()` method in `tacacs_server_handler()` and `tacacs_global_handler()` with `in` keyword.
This PR depends on https://github.com/Azure/sonic-utilities/pull/944, otherwise `config load_minigraph` will fail when trying to restart disabled services.
Fix hostcfgd so that changes to the "FEATURE" table in ConfigDB are properly handled. Three changes here:
1. Fix indenting such that the handling of each key actually occurs in the for key in status_data.keys(): loop
2. Add calls to sudo systemctl mask and sudo systemctl unmask as appropriate to ensure changes persist across reboots
3. Substitute returns with continues so that even if one service fails, we still try to handle the others
Note that the masking is persistent, even if the configuration is not saved. We may want to consider only calling systemctl enable/disable in hostcfgd when the DB table changes, and only call systemctl mask/unmask upon calling config save.
Instead of updating hostname manualy on Config DB hostname change,
simply share containers UTS namespace with host OS.
Ideally, instead of setting `--uts=host` for every container in SONiC,
this setting can be set per container if feature requires.
One behaviour change is introduced in this commit, when `--privileged`
or `--cap-add=CAP_SYS_ADMIN` and `--uts=host` are combined, container
has privilege to change host OS and every other container hostname.
Such privilege should be fixed by limiting containers capabilities.
Signed-off-by: Stepan Blyschak <stepanb@mellanox.com>
In place editing (sed -i) seems having some issues with filesystem
interaction. It could leave 0 size file or corrupted file behind.
It would be safer to sed the file contents into a new file and switch
new file with the old file.
Signed-off-by: Ying Xie <ying.xie@microsoft.com>
Present: Servers are listed in the same order as in redis-db
Fix: Save the sort o/p, hence use sorted list to write into pam.d's conf.
As well convert priority to integer for use by sort.
* Switch the nss look up order as "compat" followed by "tacplus".
This helps use the legacy passwd file for user info and go to tacacs only if not found.
This means, we never contact tacacs for local users like "admin".
This isolates local users from any issues with tacacs servers.
W/o this fix, the sudo commands by local users could take <count of servers> * <tacacs timeout> seconds, if the tacacs servers are unreachable.
* Skip tacacs server access for local non-tacacs users.
Revert the order of 'compat tacplus' to original 'tacplus compat' as tacplus
access is required for all tacacs users, who also get created locally.
* Add a log message for each notification of add/del TACACS server.
Signed-off-by: Renuka Manavalan <remanava@microsoft.com>
* Moved another syslog message from DEBUG to INFO to be able to see those notifications.
All these changes are to help with a one-time-seen-bug, that hostcfgd did not act upon changes to redis for TACACS servers. We could not repro the bug.
Signed-off-by: Renuka Manavalan <remanava@microsoft.com>
- Move all minigraph-related action from rc.local to updategraph
- updategraph service is now after database. All feature services are now after and depending on updategraph
* [TACACS+]: Add configDB enforcer for TACACS+
* hostcfgd - configDB enforcer for TACACS+, listen configDB to
modify the pam configuration for Authentication in host
* Add a service script for hostcfgd
Signed-off-by: Chenchen Qi <chenchen.qcc@alibaba-inc.com>
* [TACACS+]: Generate conf file by template file
* Generate common-auth-sonic and tacplus_nss.conf by jinja2 template
Signed-off-by: Chenchen Qi <chenchen.qcc@alibaba-inc.com>
