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cmd/dockerd: validate API configuration as part of --validate

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Previously, the API server configuration would be initialized and
validated when starting the API. Because of this, invalid configuration
(e.g. missing or invalid TLS certificates) would not be detected
when using `dockerd --validate`.

This patch moves creation of the validation earlier, so that it's
validated as part of `dockerd --validate`.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2022-04-21 10:34:32 +02:00
parent e16c3616e2
commit 0603f87fab
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GPG key ID: 76698F39D527CE8C
1 changed files with 5 additions and 4 deletions
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9
cmd/dockerd/daemon.go
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@ -85,6 +85,11 @@ func (cli *DaemonCli) start(opts *daemonOptions) (err error) {
return err
}
serverConfig, err := newAPIServerConfig(cli.Config)
if err != nil {
return err
}
if opts.Validate {
// If config wasn't OK we wouldn't have made it this far.
fmt.Fprintln(os.Stderr, "configuration OK")
@ -159,10 +164,6 @@ func (cli *DaemonCli) start(opts *daemonOptions) (err error) {
}
}
serverConfig, err := newAPIServerConfig(cli.Config)
if err != nil {
return errors.Wrap(err, "failed to create API server")
}
cli.api = apiserver.New(serverConfig)
hosts, err := loadListeners(cli, serverConfig)