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* - UT on metrics verifying that all plugins of all blocs have their metrics collectors declared
* - fix error msg
* - redirect Registry of metric to the one that handle the listener
- allow duplicate of metrics collector on the same Registry (case of same plugin in 2 blocs listening metrics on the same address)
* - fix change of signature
* - ensure cleaning metrics before starting the test (metrics collectors are global vars .. and re-used by several tests)
* - I think I fixed this test. Ensure correct mn of hits and clean metrics before test.
* - fix typo in error msg - proposed at review
* - fix typo in comment
* - remove ResetMetrics functions
- change a way to test the numeric metrics : get the diff between begin and end of test
* - oops. removing debug logs
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Spin this out the metrics package so we can use it in the health
one of well to fix some reload bugs.
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* update docs
* plugins: use plugin specific logging
Hooking up pkg/log also changed NewWithPlugin to just take a string
instead of a plugin.Handler as that is more flexible and for instance
the Root "plugin" doesn't implement it fully.
Same logging from the reload plugin:
.:1043
2018/04/22 08:56:37 [INFO] CoreDNS-1.1.1
2018/04/22 08:56:37 [INFO] linux/amd64, go1.10.1,
CoreDNS-1.1.1
linux/amd64, go1.10.1,
2018/04/22 08:56:37 [INFO] plugin/reload: Running configuration MD5 = ec4c9c55cd19759ea1c46b8c45742b06
2018/04/22 08:56:54 [INFO] Reloading
2018/04/22 08:56:54 [INFO] plugin/reload: Running configuration MD5 = 9e2bfdd85bdc9cceb740ba9c80f34c1a
2018/04/22 08:56:54 [INFO] Reloading complete
* update docs
* better doc
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* brr; a sleep
* Shouldnt need a query
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* reload: use OnRestart
Close the listener on OnRestart for health and metrics so the default
setup function can setup the listener when the plugin is "starting up".
Lightly test with some SIGUSR1-ing. Also checked the reload plugin with
this, seems fine:
.com.:1043
.:1043
2018/04/20 15:01:25 [INFO] CoreDNS-1.1.1
2018/04/20 15:01:25 [INFO] linux/amd64, go1.10,
CoreDNS-1.1.1
linux/amd64, go1.10,
2018/04/20 15:01:25 [INFO] Running configuration MD5 = aa8b3f03946fb60546ca1f725d482714
2018/04/20 15:02:01 [INFO] Reloading
2018/04/20 15:02:01 [INFO] Running configuration MD5 = b34a96d99e01db4015a892212560155f
2018/04/20 15:02:01 [INFO] Reloading complete
^C2018/04/20 15:02:06 [INFO] SIGINT: Shutting down
With this corefile:
.com {
proxy . 127.0.0.1:53
prometheus :9054
whoami
reload
}
. {
proxy . 127.0.0.1:53
prometheus :9054
whoami
reload
}
The prometheus port was 9053, changed that to 54 so reload would pick it
up.
From a cursory look it seems this also fixes:
Fixes #1604 #1618 #1686 #1492
* At least make it test
* Use onfinalshutdown
* reload: add reload test
This test #1604 adn right now fails.
* Address review comments
* Add bug section explaining things a bit
* compile tests
* Fix tests
* fixes
* slightly less crazy
* try to make prometheus setup less confusing
* Use ephermal port for test
* Don't use the listener
* These are shared between goroutines, just use the boolean in the main
structure.
* Fix text in the reload README,
* Set addr to TODO once stopping it
* Morph fturb's comment into test, to test reload and scrape health and
metric endpoint
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* wip
* plugin/metrics: fix reload behavior
Fixes #1472
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If external plugins wanted to extend metrics there was no way since
zoneNames couldn't be initialized. Now plugins can call New to get an
instance of Metrics that they can extend.
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* Rename middleware to plugin
first pass; mostly used 'sed', few spots where I manually changed
text.
This still builds a coredns binary.
* fmt error
* Rename AddMiddleware to AddPlugin
* Readd AddMiddleware to remain backwards compat
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Francois Tur
Miek Gieben
James Hartig
