containers: Make sure req.url in the worker has format 'http://...' and egress listener should be backed by an atomic boolean to not start it twice

[gabivlj]

Should make it less flakey

[ask-bonk]

UnknownError: "Overloaded"

github run

[ask-bonk]

@gabivlj Bonk workflow failed. Check the logs for details.

View workflow run · To retry, trigger Bonk again.

[codspeed-hq]

Merging this PR will degrade performance by 16.26%

❌ 1 regressed benchmark
✅ 69 untouched benchmarks
⏩ 129 skipped benchmarks¹

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
❌	jsonResponse[Response]	39.9 µs	47.6 µs	-16.26%

---

_{Comparing gv/more-fixes-egress (709c7c2) with main (093c149)}

Footnotes

1. 129 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[gabivlj]

using jsg.Url as suggested async

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 27 lines in your changes missing coverage. Please review.
✅ Project coverage is 70.63%. Comparing base (093c149) to head (709c7c2).
⚠️ Report is 15 commits behind head on main.

Files with missing lines	Patch %	Lines
src/workerd/server/container-client.c++	0.00%	27 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6194      +/-   ##
==========================================
- Coverage   70.64%   70.63%   -0.02%     
==========================================
  Files         413      413              
  Lines      109876   109895      +19     
  Branches    18104    18107       +3     
==========================================
- Hits        77626    77625       -1     
- Misses      21443    21463      +20     
  Partials    10807    10807              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.