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When there's no response from the Origin, the escalate plugin does not function correctly. #11836

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incheoloh opened this issue Oct 31, 2024 · 1 comment · May be fixed by #11847
Open

When there's no response from the Origin, the escalate plugin does not function correctly. #11836

incheoloh opened this issue Oct 31, 2024 · 1 comment · May be fixed by #11847
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@bneradt
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escalate escalate plugin Support

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@incheoloh
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I'm using the 'escalate' plugin.
When the origin responses like 2xx or 5xx, it works well with redirecting to second-origin.
However, when there's no response from origin due to its unavailability, the 'escalate' plugin doesn't work as expected.
I believe TS_HTTP_READ_RESPONSE_HDR_HOOK is not called if there's no response from Origin.

Is there any way to make a redirection to second-origin when there's no response from Origin?
@JosiahWI JosiahWI added Support escalate escalate plugin labels Nov 4, 2024
@incheoloh
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It would be great if there was a hook to handle the case when parent or origin doesn't respond. For example, TS_HTTP_READ_RESPONSE_ERROR_HDR_HOOK.

@bneradt bneradt assigned bneradt and unassigned jpeach Nov 6, 2024
bneradt added a commit to bneradt/trafficserver that referenced this issue Nov 6, 2024
@bneradt
escalate plugin: handle origin not reachable
5072906 
Update the escalate plugin to handle dispatching to the failover server
if the original server is down.

This also adds a new autest for the escalate plugin.

Fixes: apache#11836
bneradt added a commit to bneradt/trafficserver that referenced this issue Nov 6, 2024
@bneradt
escalate plugin: handle origin not reachable
d0cf715 
Update the escalate plugin to handle dispatching to the failover server
if the original server is down.

This also adds a new autest for the escalate plugin.

Fixes: apache#11836
@bneradt bneradt linked a pull request Nov 6, 2024 that will close this issue
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escalate escalate plugin Support
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escalate plugin: handle origin not reachable bneradt/trafficserver
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@jpeach @bneradt @JosiahWI @incheoloh