OPCT-12: Embed on tools image the etcd log parser

[mtulio]

https://issues.redhat.com/browse/OPCT-12

Embed the tool used on the review process to parse etcd logs from must-gather filtering by slowly apply requests. It will aggregate the slow requests into buckets of 100ms, sharing counters for each one and which bucket the slow requests stayed, useful when comparing executions with baseline HW (reference) and new ones on the time frame the e2e tests have.

For reference:

• expected to have fewer requests reporting higher than 500ms

$ cat ~/opct/tmp/must-gather/must-gather-opct/*/namespaces/openshift-etcd/pods/*/etcd/etcd/logs/current.log  \
 | ./build/ocp-etcd-log-filters 
> Filter Name: ApplyTookTooLong
> Group by: all
>>> Summary <<<
all	 16949	
>500ms	 1485	(8.762 %)
---
>>> Buckets <<<
low-200	 0	(0.000 %)
200-300	 9340	(55.106 %)
300-400	 4169	(24.597 %)
400-500	 1853	(10.933 %)
500-600	 716	(4.224 %)
600-700	 223	(1.316 %)
700-800	 185	(1.092 %)
800-900	 139	(0.820 %)
900-1s	 79	(0.466 %)
1s-inf	 143	(0.844 %)
unkw	 102	(0.602 %)

• aggregating by hour

$ cat ~/opct/tmp/must-gather/must-gather-opct/*/namespaces/openshift-etcd/pods/*/etcd/etcd/logs/current.log  \
 | ./build/ocp-etcd-log-filters -aggregator hour
> Filter Name: ApplyTookTooLong
> Group by: hour

>> 2023-03-01T17
>>> Summary <<<
all	 558	
>500ms	 54	(9.677 %)
---
>>> Buckets <<<
low-200	 0	(0.000 %)
200-300	 385	(68.996 %)
300-400	 90	(16.129 %)
400-500	 28	(5.018 %)
500-600	 9	(1.613 %)
600-700	 10	(1.792 %)
700-800	 7	(1.254 %)
800-900	 9	(1.613 %)
900-1s	 16	(2.867 %)
1s-inf	 3	(0.538 %)
unkw	 1	(0.179 %)

>> 2023-03-01T15
>>> Summary <<<
all	 7740	
>500ms	 619	(7.997 %)
---
>>> Buckets <<<
low-200	 0	(0.000 %)
200-300	 4122	(53.256 %)
300-400	 2107	(27.222 %)
400-500	 842	(10.879 %)
500-600	 379	(4.897 %)
600-700	 78	(1.008 %)
700-800	 67	(0.866 %)
800-900	 55	(0.711 %)
900-1s	 15	(0.194 %)
1s-inf	 25	(0.323 %)
unkw	 50	(0.646 %)

>> 2023-03-01T16
>>> Summary <<<
all	 8651	
>500ms	 812	(9.386 %)
---
>>> Buckets <<<
low-200	 0	(0.000 %)
200-300	 4833	(55.866 %)
300-400	 1972	(22.795 %)
400-500	 983	(11.363 %)
500-600	 328	(3.791 %)
600-700	 135	(1.561 %)
700-800	 111	(1.283 %)
800-900	 75	(0.867 %)
900-1s	 48	(0.555 %)
1s-inf	 115	(1.329 %)
unkw	 51	(0.590 %)

[mtulio]

Tools image published (it's manual), the CI is failing while the quay.io is processing it. I will re-run the job in a few minutes. PR ready for review.
/assign @rvanderp3 @faermanj

[rvanderp3]

/lgtm
/approve

[openshift-ci]

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