Add events for NGINX reloads

[aledbf]

What this PR does / why we need it:

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Which issue/s this PR fixes

How Has This Been Tested?

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I've read the CONTRIBUTION guide
• I have added tests to cover my changes.
• All new and existing tests passed.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aledbf

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [aledbf]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[codecov-commenter]

Codecov Report

Merging #6234 into master will decrease coverage by 2.18%.
The diff coverage is 49.72%.

@@            Coverage Diff             @@
##           master    #6234      +/-   ##
==========================================
- Coverage   58.71%   56.53%   -2.19%     
==========================================
  Files          88       88              
  Lines        6966     6345     -621     
==========================================
- Hits         4090     3587     -503     
+ Misses       2427     2315     -112     
+ Partials      449      443       -6     

Impacted Files	Coverage Δ
cmd/nginx/main.go	4.44% <0.00%> (-0.94%)	⬇️
internal/file/file.go	100.00% <ø> (ø)
internal/ingress/annotations/annotations.go	80.88% <ø> (-0.81%)	⬇️
internal/ingress/annotations/authreq/main.go	71.02% <ø> (-2.09%)	⬇️
...ternal/ingress/annotations/backendprotocol/main.go	100.00% <ø> (ø)
internal/ingress/annotations/parser/main.go	73.33% <ø> (-2.01%)	⬇️
internal/ingress/annotations/rewrite/main.go	48.78% <ø> (-1.22%)	⬇️
...nternal/ingress/annotations/secureupstream/main.go	100.00% <ø> (ø)
...ternal/ingress/annotations/sessionaffinity/main.go	57.77% <ø> (-2.64%)	⬇️
internal/ingress/controller/endpoints.go	92.68% <ø> (-0.66%)	⬇️
... and 114 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 6fd891f...2ed3869. Read the comment docs.

[aledbf]

/retest

[aledbf]

/test e2e-1-19

[k8s-ci-robot]

@aledbf: The specified target(s) for /test were not found.
The following commands are available to trigger jobs:

• /test pull-ingress-nginx-boilerplate
• /test pull-ingress-nginx-codegen
• /test pull-ingress-nginx-gofmt
• /test pull-ingress-nginx-golint
• /test pull-ingress-nginx-lualint
• /test pull-ingress-nginx-chart-lint
• /test pull-ingress-nginx-test-lua
• /test pull-ingress-nginx-test
• /test pull-ingress-nginx-e2e-1-15
• /test pull-ingress-nginx-e2e-1-16
• /test pull-ingress-nginx-e2e-1-17
• /test pull-ingress-nginx-e2e-1-18
• /test pull-ingress-nginx-e2e-1-19
• /test pull-ingress-nginx-e2e-helm-chart

Use /test all to run the following jobs:

• pull-ingress-nginx-boilerplate
• pull-ingress-nginx-codegen
• pull-ingress-nginx-gofmt
• pull-ingress-nginx-golint
• pull-ingress-nginx-test

In response to this:

/test e2e-1-19

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[aledbf]

/test pull-ingress-nginx-e2e-1-19

[aledbf]

/test pull-ingress-nginx-e2e-1-18
/test pull-ingress-nginx-e2e-1-17

[aledbf]

/test pull-ingress-nginx-e2e-1-19
/test pull-ingress-nginx-e2e-1-18
/test pull-ingress-nginx-e2e-1-17

[aledbf]

/test pull-ingress-nginx-e2e-1-19
/test pull-ingress-nginx-e2e-1-18
/test pull-ingress-nginx-e2e-1-17

[aledbf]

/retest

[aledbf]

/test pull-ingress-nginx-e2e-1-19
/test pull-ingress-nginx-e2e-1-18
/test pull-ingress-nginx-e2e-1-17

[aledbf]

/test pull-ingress-nginx-e2e-1-19
/test pull-ingress-nginx-e2e-1-18
/test pull-ingress-nginx-e2e-1-17

[aledbf]

/retest

[aledbf]

/test pull-ingress-nginx-e2e-1-19
/test pull-ingress-nginx-e2e-1-18
/test pull-ingress-nginx-e2e-1-17

[k8s-ci-robot]

@aledbf: The following test failed, say /retest to rerun all failed tests:

Test name	Commit	Details	Rerun command
pull-ingress-nginx-e2e-1-18	916bec0	link	/test pull-ingress-nginx-e2e-1-18

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository. I understand the commands that are listed here.

[aledbf]

/retest