**- Why I did it**
I'm updating the jinja2 template to support getting SNMP information from the redis configdb.
I'm using the format approved here:
https://github.com/Azure/SONiC/pull/718
This will pave the way for us to decrement using the snmp.yml in the future.
Right now we will still be using both the snmp.yml and configdb to get variable information in order to create the snmpd.conf via the sonic-cfggen tool.
**- How I did it**
I first updated the SNMP Schema in PR #718 to get that approved as a standardized format.
Then I verified I could add snmp configs to the configdb using this standard schema. Once the configs were added to the configdb then I updated the snmpd.conf.j2 file to support the updates via the configdb while still using the variables in the snmp.yml file in parallel. This way we will have backward compatibility until we can fully migrate to the configdb only.
By updating the snmpd.conf.j2 template and running the sonic-cfggen tool the snmpd.conf gets generated with using the values in both the configdb and snmp.yml file.
Co-authored-by: trvanduy <trvanduy@microsoft.com>
This PR is in preparation to move from snmp.yml to configdb. This will more closely align with other commands in sonic and use configdb as the source of truth for snmp configuration.
Note: This is the first of 2 PR's to enable this. This PR will not change any functionality but will allow the snmp.yml file info to be put into the configdb.
Created a script that takes the snmp.yml variables and converts them to the configdb format.
Added file to dockerfile.j2 so that file is copied in the container.
Updated start.sh file to automatically run the python conversion script each time the docker container is restarted.
* First cut image update for kubernetes support.
With this,
1) dockers dhcp_relay, lldp, pmon, radv, snmp, telemetry are enabled
for kube management
init_cfg.json configure set_owner as kube for these
2) Each docker's start.sh updated to call container_startup.py to register going up
As part of this call, it registers the current owner as local/kube and its version
The images are built with its version ingrained into image during build
3) Update all docker's bash script to call 'container start/stop/wait' instead of 'docker start/stop/wait'.
For all locally managed containers, it calls docker commands, hence no change for locally managed.
4) Introduced a new ctrmgrd service, that helps with transition between owners as kube & local and carry over any labels update from STATE-DB to API server
5) hostcfgd updated to handle owner change
6) Reboot scripts are updatd to tag kube running images as local, so upon reboot they run the same image.
7) Added kube_commands.py to handle all updates with Kubernetes API serrver -- dedicated for k8s interaction only.
Calls to sonic-cfggen is CPU expensive. This PR reduces calls to
sonic-cfggen to once calle during snmp startup
singed-off-by: Tamer Ahmed <tamer.ahmed@microsoft.com>
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.
Also edit Monit configuration to detect proper snmp-subagent command line in Buster, and make snmpd command line matching more robust.
