Event Management support

[spenugondaa]

Changes are done as part of Event and Alarm Framework described in HLD

The changes involve xml, actioner and renderer scripts to support various show/exec commands as described in the above HLD.

sonic# show event summary
Event summary
---------------------------------
Total:                         40000
Raised:                        14004
Acknowledged:                  7002
Cleared:                       14004
----------------------------------
sonic# show alarm summary
Alarm summary
---------------------------------
Total:                         0
Critical:                      0
Major:                         0
Minor:                         0
Warning:                       0
Acnowledged:                   0
----------------------------------
sonic# show event

----------------------------------------------------------------------------------------------------------------------------
Id           Action          Severity        Name                           Timestamp                   Description
----------------------------------------------------------------------------------------------------------------------------
2013         RAISE           WARNING         DUMMY_ALARM                    2021-06-07T04:21:55.256Z    RAISing for unit testing
2014         ACKNOWLEDGE     WARNING         DUMMY_ALARM                    2021-06-07T04:21:55.457Z    ACKNOWLEDGing for unit testing
2015         UNACKNOWLEDGE   WARNING         DUMMY_ALARM                    2021-06-07T04:21:55.658Z    UNACKNOWLEDGing for unit testing
2016         CLEAR           WARNING         DUMMY_ALARM                    2021-06-07T04:21:55.859Z    CLEARing for unit testing
2017         -               INFORMATIONAL   CUSTOM_EVPROFILE_CHANGE        2021-06-07T04:21:55.860Z    Raised for unit testing
2018         RAISE           WARNING         DUMMY_ALARM                    2021-06-07T04:21:56.620Z    Raised for unit testing
2019         CLEAR           WARNING         DUMMY_ALARM                    2021-06-07T04:21:56.263Z    Clearing for unit testing
2020         RAISE           WARNING         DUMMY_ALARM                    2021-06-07T04:21:56.464Z    Raised for unit testing
2021         CLEAR           WARNING         DUMMY_ALARM                    2021-06-07T04:21:56.665Z    Clearing for unit testing
2022         RAISE           WARNING         DUMMY_ALARM                    2021-06-07T04:21:56.867Z    RAISing for unit testing
2023         ACKNOWLEDGE     WARNING         DUMMY_ALARM                    2021-06-07T04:21:57.684Z    ACKNOWLEDGing for unit testing
2024         CLEAR           WARNING         DUMMY_ALARM                    2021-06-07T04:21:57.269Z    CLEARing for unit testing
2025         RAISE           WARNING         DUMMY_ALARM                    2021-06-07T04:21:57.269Z    RAISing for unit testing
2026         ACKNOWLEDGE     WARNING         DUMMY_ALARM                    2021-06-07T04:21:57.471Z    ACKNOWLEDGing for unit testing
2027         UNACKNOWLEDGE   WARNING         DUMMY_ALARM                    2021-06-07T04:21:57.672Z    UNACKNOWLEDGing for unit testing
2028         CLEAR           WARNING         DUMMY_ALARM                    2021-06-07T04:21:57.873Z    CLEARing for unit testing
2029         -               INFORMATIONAL   CUSTOM_EVPROFILE_CHANGE        2021-06-07T04:21:57.874Z    Raised for unit testing
2030         RAISE           WARNING         DUMMY_ALARM                    2021-06-07T04:21:58.756Z    Raised for unit testing
2031         CLEAR           WARNING         DUMMY_ALARM                    2021-06-07T04:21:58.276Z    Clearing for unit testing
2032         RAISE           WARNING         DUMMY_ALARM                    2021-06-07T04:21:58.477Z    Raised for unit testing
--more--qsonic# show event
  details   Detailed view of events
  from      Set start id
  id        Display event
  profile   Display active Event Profile
  recent    Event recent
  severity  Display all events with a given severity
  start     Set start time
  summary   Display event summary
  |         Pipe through a command
  <cr>

sonic# show alarm
  acknowledged  Display all alarms
  all           Display all alarms
  detail        Active alarm details
  from          Set start id
  id            Display alarm
  recent        Alarm recent
  severity      Display all alarms with a given severity
  start         Set start time
  summary       Display alarm summary
  |             Pipe through a command
  <cr>

sonic# event
  profile  Select an event profile as active

sonic# event profile default.json
sonic# alarm
  acknowledge    Acknowledge an active alarm
  unacknowledge  Unacknowledge an active alarm

sonic# 

Dependent PRs
sonic-buildimage
sonic-mgmt-common
sonic-swss-common

[lgtm-com]

This pull request introduces 6 alerts when merging 06ee93a into fd1a854 - view on LGTM.com

new alerts:

• 4 for Unused import
• 1 for Testing equality to None
• 1 for Except block handles 'BaseException'

[tomek-US]

Please rebase and fix issues mentioned by the lgtm-com bot.

[ndas7]

Is this PR obsolete, or does it need to be rebased as per the previous comment? Thanks.