Do a soft reload of haproxy #212
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Send the haproxy container a HUP instead of restarting it.
rebuild.sh
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| @@ -0,0 +1,6 @@ | |||
| #!/bin/bash | |||
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Sorry, didn't mean to commit that file.
| if err := p.client.ContainerKill(context.Background(), cnt.ID, "HUP"); err != nil { | ||
| log().Errorf("error reloading container: id=%s err=%s", cnt.ID[:12], err) | ||
| continue | ||
| } |
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Are you sure this catches all cases? A default with log probably wouldn't hurt.
| // update the proxy container status | ||
| cInfo, err := p.client.ContainerInspect(context.Background(), cnt.ID) | ||
| if err != nil { | ||
| log().Errorf("unable to inspect proxy container: %s", err) |
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This will fall through without a continue.
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Ah I didn't see it from the diff. 👍
| } | ||
| case "running": | ||
| log().Debugf("reloading proxy container: id=%s", cnt.ID) | ||
| if err := p.client.ContainerKill(context.Background(), cnt.ID, "HUP"); err != nil { |
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Are you sure HAProxy handles this properly? I believe we've tried HUP before and found that it didn't always reload the config.
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That being said, if we can test it I would love to get rid of the TCP hacks. :)
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Pretty sure it is stable in v1.7.x. I have been using it (outside of interlock) for a while.
| log().Infof("restarted proxy container: id=%s name=%s", cnt.ID[:12], cnt.Names[0]) | ||
| } | ||
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| if err := p.resumeSYN(); err != nil { |
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This is needed to safely reload (see above comment).
test/integration: Remove test.hosts fixture
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Send the haproxy container a HUP instead of restarting it.