managed-by label checks for spc, placeholder pods and ingress backend

[aamgayle]

Description

Added checks for top-level labels to be sure we're managing a resource before deleting

Fixes # (issue) The Reconcile functions did not check whether or not we owned whatever resource it was currently assessing and could potentially delete secret provider classes and Feature # (details)

Type of change

Please delete options that are not relevant.

• [ ] 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 not work as expected)
• [ ] This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration. Is it a breaking change which will impact consuming tool(s)?

• [X] Unit Tests - X
• [X] e2e Tests

Checklist:

• [X] My code follows the style guidelines of this project
• [X] I have performed a self-review of my code
• [X] I have commented my code, particularly in hard-to-understand areas
• [X] I have made corresponding changes to the documentation
• [X] My changes generate no new warnings
• [X] I have added tests that prove my fix is effective or that my feature works
• [X] New and existing unit tests pass locally with my changes
• [X] Any dependent changes have been merged and published in downstream modules

[coveralls]

Pull Request Test Coverage Report for Build 6645361849

• 50 of 52 (96.15%) changed or added relevant lines in 4 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.1%) to 88.994%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/controller/keyvault/placeholder_pod.go	10	12	83.33%
<!--	Total:	50	52	96.15%	-->

Totals
Change from base Build 6549676137:	0.1%
Covered Lines:	2062
Relevant Lines:	2317

---

💛 - Coveralls

[aamgayle]

/ok-to-test sha=7331620

[aamgayle]

/ok-to-test sha=c3b2dbf

[OliverMKing]

Pull Request Test Coverage Report for Build 6645361849

• 50 of 52 (96.15%) changed or added relevant lines in 4 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.1%) to 88.994%

Changes Missing Coverage Covered Lines Changed/Added Lines % pkg/controller/keyvault/placeholder_pod.go 10 12 83.33% Totals Change from base Build 6549676137: 0.1% Covered Lines: 2062 Relevant Lines: 2317

💛 - Coveralls

This all looks good to me. We have a few logic branches not covered for one reconciler that we can add tests for.

[aamgayle]

/ok-to-test sha=1ffab9d

[OliverMKing]

/ok-to-test sha=1ffab9d