allow features option live reloading #37692
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|
ptal @thaJeztah @tiborvass |
tiborvass
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Aug 30, 2018
daemon/reload.go
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| // reloadFeatures updates configuration with enabled/disabled features | ||
| func (daemon *Daemon) reloadFeatures(conf *config.Config, attributes map[string]string) { | ||
| // update corresponding configuration | ||
| if conf.IsValueSet("features") { |
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remove this if to be able to unset features ?
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Codecov Report
@@ Coverage Diff @@
## master #37692 +/- ##
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Coverage ? 36.03%
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Files ? 609
Lines ? 45063
Branches ? 0
=========================================
Hits ? 16240
Misses ? 26592
Partials ? 2231 |
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@tiborvass I've updated the PR and verified this would actually work. |
tiborvass
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Aug 30, 2018
tiborvass
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Aug 30, 2018
| @@ -7,6 +7,8 @@ import ( | |||
| "net/http" | |||
| "time" | |||
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| "github.com/docker/docker/api/server/router/build" | |||
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@tonistiigi or @thaJeztah can you help review this? |
thaJeztah
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Aug 31, 2018
daemon/daemon.go
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| @@ -136,6 +136,11 @@ func (daemon *Daemon) HasExperimental() bool { | |||
| return daemon.configStore != nil && daemon.configStore.Experimental | |||
| } | |||
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| // GetFeatures returns the features map from configStore | |||
| func (daemon *Daemon) GetFeatures() *map[string]bool { | |||
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Better to name this Features() instead of GetFeatures(); golang convention is to not use a Get prefix for getters; https://golang.org/doc/effective_go.html#Getters
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@thaJeztah Fixed :)
Signed-off-by: Anda Xu <anda.xu@docker.com>
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Sep 4, 2018
| // check if the builder feature has been enabled from daemon as well. | ||
| if buildOptions.Version == types.BuilderBuildKit && br.builderVersion != "" && br.builderVersion != types.BuilderBuildKit { | ||
| if buildOptions.Version == types.BuilderBuildKit && builderVersion != "" && builderVersion != types.BuilderBuildKit { |
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@tiborvass As discussed offline, this value should only apply as a hint to the client on negotiation on ping, not override a daemon behavior.
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- What I did
reloadFeaturesso that the changes offeaturesfield in daemon.json can be live reloaded.featuresto the rest of places where it is being used.- How I did it
- How to verify it
First with
buildkitturned on indaemon.jsonwe hit the
/_pingendpoint to verify,Builder-Version: 2Now turn
buildkitoffand run
sudo kill -s SIGHUP <dockerd-PID>then verify with
/_pingagain, it showsBuilder-Version: 1- Description for the changelog
- A picture of a cute animal (not mandatory but encouraged)
Signed-off-by: Anda Xu anda.xu@docker.com