Signed-off-by: maipbui <maibui@microsoft.com>
#### Why I did it
`subprocess` is used with `shell=True`, which is very dangerous for shell injection.
`os` - not secure against maliciously constructed input and dangerous if used to evaluate dynamic content
#### How I did it
remove `shell=True`, use `shell=False`
Replace `os` by `subprocess`
Why I did it
When lldpmgrd handled events of other tables besides PORT_TABLE, error message was printed to log.
How I did it
Handle event according to its file descriptor instead of looping all registered selectables for each coming event.
How to verify it
I verified same events are being handled by printing events key and operation, before and after the change.
Also, before the change, in init flow after config reload, when lldpmgrd handled events of other tables besides PORT_TABLE, error messages were printed to log, this issue is solved now.
Why I did it
Recirc port is used to only forward traffic from one asic to another asic. So it's not required to configure LLDP on it.
How I did it
Add interface prefix helper for recirc port. Similar to skip configuring LLDP on inband port, add check in lldpmgrd to skip recirc port by checking interface prefix.
#### Why I did it
when adding and removing ports after init stage we saw two issues:
first:
In several cases, after removing a port, lldpmgr is continuing to try to add a port to lldp with lldpcli command. the execution of this command is continuing to fail since the port is not existing anymore.
second:
after adding a port, we sometimes see this warning messgae:
"Command failed 'lldpcli configure ports Ethernet18 lldp portidsubtype local etp5b': 2021-07-27T14:16:54 [WARN/lldpctl] cannot find port Ethernet18"
we added these changes in order to solve it.
#### How I did it
port create events are taken from app db only.
lldpcli command is executed only when linux port is up.
when delete port event is received we remove this command from pending_cmds dictionary
#### How to verify it
manual tests and running lldp tests
#### Description for the changelog
Dynamic port configuration - solve lldp issues when adding/removing ports
**- Why I did it**
Align style with slightly modified PEP8 standards (extend maximum line length to 120 chars). This will also help in the transition to Python 3, where it is more strict about whitespace, plus it helps unify style among the SONiC codebase. Will tackle other directories in separate PRs.
**- How I did it**
Using `autopep8 --in-place --max-line-length 120` and some manual tweaks.
* Fix for LLDP advertisments being sent with wrong information.
Since lldpd is starting before lldpmgr, some advertisment packets might sent with default value, mac address as Port ID.
This fix hold the packets from being sent by the lldpd until all interfaces are well configured by the lldpmgrd.
Signed-off-by: Shlomi Bitton <shlomibi@nvidia.com>
* Fix comments
* Fix unit-test output caused a failure during build
* Add 'run_cmd' function and use it
* Resume lldpd even if port init timeout reached
The -sv2 suffix was used to differentiate SNMP Dockers when we transitioned from "SONiCv1" to "SONiCv2", about four years ago. The old Docker materials were removed long ago; there is no need to keep this suffix. Removing it aligns the name with all the other Dockers.
