feat: Apache APISIX SetHeader support. Fixes #2668

[shareinto]

Fixes #2668

Integrate Apache APISIX Ingress Controller and argo-rollouts using APISIX's CRD

Signed-off-by: shareinto [email protected]
Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this is a chore.
• The title of the PR is (a) conventional with a list of types and scopes found here, (b) states what changed, and (c) suffixes the related issues number. E.g. "fix(controller): Updates such and such. Fixes #1234".
• I've signed my commits with DCO
• I have written unit and/or e2e tests for my change. PRs without these are unlikely to be merged.
• My builds are green. Try syncing with master if they are not.
• My organization is added to USERS.md.

[github-actions]

Go Published Test Results

1 947 tests   1 947 ✔️  2m 35s ⏱️
   118 suites         0 💤
       1 files           0 ❌

Results for commit 6b62c93.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

Patch coverage: 76.95% and project coverage change: -0.05 ⚠️

Comparison is base (aa47e41) 81.52% compared to head (6b62c93) 81.47%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2678      +/-   ##
==========================================
- Coverage   81.52%   81.47%   -0.05%     
==========================================
  Files         133      133              
  Lines       19866    20152     +286     
==========================================
+ Hits        16195    16419     +224     
- Misses       2836     2881      +45     
- Partials      835      852      +17     

Impacted Files	Coverage Δ
rollout/trafficrouting/apisix/apisix.go	81.98% <76.85%> (-8.42%)	⬇️
pkg/apis/rollouts/validation/validation.go	95.57% <100.00%> (ø)

... and 4 files with indirect coverage changes

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[github-actions]

E2E Tests Published Test Results

    4 files      4 suites   3h 24m 4s ⏱️
  96 tests   81 ✔️   5 💤 10 ❌
404 runs  365 ✔️ 20 💤 19 ❌

For more details on these failures, see this check.

Results for commit 6b62c93.

♻️ This comment has been updated with latest results.

[zachaller]

Can you also update the readme https://github.com/argoproj/argo-rollouts#supported-traffic-shaping-integrations

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
3 Code Smells

No Coverage information
19.1% Duplication