Make time chaos completely recoverable

[Andrewmatilde]

What problem does this PR solve?

Time chaos cannot completely recover now.
Time chaos cannot combine chaos effect now.

What's changed and how it works?

Main:

1. Add totally recover code to recover the chaos.
2. Use tasks manager to combine time chaos effect , to ensure :
   After time_skew or recover_time_skew the status of target process will conform to the expected.
   Example: time_skew(1h) + time_skew(1h) + recover_(time_skew(1h)) -> time_skew(1h)

Other:
Add a nice common error package in pkg/cerr/..

Checklist

Tests

• Unit test
• E2E test

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• YangKeao
• cwen0

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[codecov]

Codecov Report

Merging #2942 (3633ec6) into master (e3ff95e) will decrease coverage by 0.92%.
The diff coverage is 26.21%.

@@            Coverage Diff             @@
##           master    #2942      +/-   ##
==========================================
- Coverage   38.10%   37.18%   -0.93%     
==========================================
  Files         106      106              
  Lines        9359     9634     +275     
==========================================
+ Hits         3566     3582      +16     
- Misses       5481     5732     +251     
- Partials      312      320       +8     

Impacted Files	Coverage Δ
pkg/chaosdaemon/tasks/key_lockmap.go	0.00% <0.00%> (ø)
pkg/chaosdaemon/tasks/pod_container_handler.go	0.00% <0.00%> (ø)
pkg/chaosdaemon/tasks/process_group_handler.go	0.00% <0.00%> (ø)
pkg/chaosdaemon/time_server.go	0.00% <0.00%> (-87.24%)	⬇️
pkg/chaosdaemon/tasks/task_manager.go	40.54% <30.76%> (-3.26%)	⬇️
pkg/time/time_skew.go	35.03% <35.03%> (ø)
pkg/time/fake_image_linux_amd64.go	48.27% <47.22%> (-3.29%)	⬇️
pkg/chaosdaemon/tasks/task_config_manager.go	47.36% <48.64%> (-4.96%)	⬇️
pkg/chaosdaemon/server.go	38.88% <100.00%> (+2.52%)	⬆️
... and 7 more

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[YangKeao]

As I cannot come up with a better idea. LGTM

[cwen0]

LGTM

[cwen0]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 3633ec6