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Listen on localhost by default for jaeger

Ash McKenzie requested to merge ashmckenzie/gitlab-development-kit:480-confidential-issue into master

What does this Merge Request do?

Now that https://github.com/jaegertracing/jaeger/issues/1447 has been merged, this MR makes jaeger listen on '127.0.0.1' by default:

TCP

$ lsof -n -P -i TCP | grep -i jaeger
jaeger-al  5441  ash    9u  IPv4 0xf8dac6ad6045ea85      0t0  TCP 127.0.0.1:14269 (LISTEN)
jaeger-al  5441  ash   11u  IPv4 0xf8dac6ad4e92748d      0t0  TCP 127.0.0.1:14250 (LISTEN)
jaeger-al  5441  ash   12u  IPv4 0xf8dac6ad6061748d      0t0  TCP 127.0.0.1:14268 (LISTEN)
jaeger-al  5441  ash   13u  IPv4 0xf8dac6ad5a6792a5      0t0  TCP 127.0.0.1:5555 (LISTEN)
jaeger-al  5441  ash   14u  IPv4 0xf8dac6ad604d92a5      0t0  TCP 127.0.0.1:50371->127.0.0.1:14250 (ESTABLISHED)
jaeger-al  5441  ash   15u  IPv4 0xf8dac6ad6055fe95      0t0  TCP 127.0.0.1:14250->127.0.0.1:50371 (ESTABLISHED)
jaeger-al  5441  ash   19u  IPv4 0xf8dac6ad6055ea85      0t0  TCP 127.0.0.1:5778 (LISTEN)
jaeger-al  5441  ash   20u  IPv4 0xf8dac6ad5a381cad      0t0  TCP 127.0.0.1:16686 (LISTEN)

UDP

$ lsof -n -P -i UDP | grep -i jaeger
jaeger-al  5441  ash   10u  IPv4 0xf8dac6ad41e3c9a5      0t0  UDP 127.0.0.1:56805->127.0.0.1:6831
jaeger-al  5441  ash   16u  IPv4 0xf8dac6ad41e3cc8d      0t0  UDP 127.0.0.1:5775
jaeger-al  5441  ash   17u  IPv4 0xf8dac6ad41e3d25d      0t0  UDP 127.0.0.1:6831
jaeger-al  5441  ash   18u  IPv4 0xf8dac6ad41e3c0ed      0t0  UDP 127.0.0.1:6832

Closes: https://gitlab.com/gitlab-org/gitlab-development-kit/-/issues/480

Merge Request checklist

  • Tests added for new functionality. If not, please raise Issue to follow-up.
  • This change is backward compatible. If not, please include steps to communicate to our users.
  • Documentation added/updated, if needed.
  • gdk doctor test added, if needed.
Edited by Ash McKenzie

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