Create Event in case of OOBM failure

[GabrielBrascher]

Description

Out of band power operations are constantly issued to assess the host power status. However, if such actions fail the Admins receive a warning message on the log. In order to help Admins to easily track such failures, this PR creates an Event each time an Out-of-band power operation fails.

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Enhancement (improves an existing feature and functionality)
• Cleanup (Code refactoring and cleanup, that may add test cases)

[GabrielBrascher]

@blueorangutan package

[blueorangutan]

@GabrielBrascher a Jenkins job has been kicked to build packages. I'll keep you posted as I make progress.

[GabrielBrascher]

@DaanHoogland I took the liberty to aim this one to 4.15.
Please let me know if this one is getting too late then I move it to 4.16 ;)

[blueorangutan]

Packaging result: ✔centos7 ✔centos8 ✔debian. JID-2265

[DaanHoogland]

no tests added but for regression,
@blueorangutan test

[blueorangutan]

@DaanHoogland a Trillian-Jenkins test job (centos7 mgmt + kvm-centos7) has been kicked to run smoke tests

[blueorangutan]

Trillian test result (tid-3058)
Environment: kvm-centos7 (x2), Advanced Networking with Mgmt server 7
Total time taken: 38046 seconds
Marvin logs: https://github.com/blueorangutan/acs-prs/releases/download/trillian/pr4418-t3058-kvm-centos7.zip
Intermittent failure detected: /marvin/tests/smoke/test_kubernetes_clusters.py
Intermittent failure detected: /marvin/tests/smoke/test_vpc_redundant.py
Smoke tests completed. 84 look OK, 1 have error(s)
Only failed tests results shown below:

Test	Result	Time (s)	Test File
test_01_create_redundant_VPC_2tiers_4VMs_4IPs_4PF_ACL	Failure	315.93	test_vpc_redundant.py
test_03_create_redundant_VPC_1tier_2VMs_2IPs_2PF_ACL_reboot_routers	Failure	302.26	test_vpc_redundant.py

[rohityadavcloud]

LGTM - did not test it

[wido]

LGTM

Admins should be notified if CloudStack can't reach the OOB of a node. As this will be used not very often it's good that CloudStack keeps testing the reachability of the OOB so that when it's needed it also works.

[GabrielBrascher]

@rhtyd @DaanHoogland @wido @PaulAngus here follows a screenshot with the warning events:

[DaanHoogland]

@PaulAngus can we put this in for 4.15?

[DaanHoogland]

@PaulAngus very small and meets all criteria, merging