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cmd/dockerd: produce error when using discovery options

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Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2021-12-15 23:51:57 +01:00
parent 65b92a730a
commit 9f2240c56f
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GPG key ID: 76698F39D527CE8C
2 changed files with 9 additions and 19 deletions
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19
cmd/dockerd/daemon.go
View file

@ -80,6 +80,9 @@ func (cli *DaemonCli) start(opts *daemonOptions) (err error) {
if cli.Config, err = loadDaemonCliConfig(opts); err != nil {
return err
}
if err := checkDeprecatedOptions(cli.Config); err != nil {
return err
}
if opts.Validate {
// If config wasn't OK we wouldn't have made it this far.
@ -89,8 +92,6 @@ func (cli *DaemonCli) start(opts *daemonOptions) (err error) {
configureProxyEnv(cli.Config)
warnOnDeprecatedConfigOptions(cli.Config)
if err := configureDaemonLogs(cli.Config); err != nil {
return err
}
@ -465,16 +466,12 @@ func loadDaemonCliConfig(opts *daemonOptions) (*config.Config, error) {
return conf, nil
}
func warnOnDeprecatedConfigOptions(config *config.Config) {
if config.ClusterAdvertise != "" {
logrus.Warn(`The "cluster-advertise" option is deprecated. To be removed soon.`)
}
if config.ClusterStore != "" {
logrus.Warn(`The "cluster-store" option is deprecated. To be removed soon.`)
}
if len(config.ClusterOpts) > 0 {
logrus.Warn(`The "cluster-store-opt" option is deprecated. To be removed soon.`)
func checkDeprecatedOptions(config *config.Config) error {
// Overlay networks with external k/v stores have been deprecated
if config.ClusterAdvertise != "" || len(config.ClusterOpts) > 0 || config.ClusterStore != "" {
return errors.New("Host-discovery and overlay networks with external k/v stores are deprecated. The 'cluster-advertise', 'cluster-store', and 'cluster-store-opt' options have been removed")
}
return nil
}
func initRouter(opts routerOptions) {

9
cmd/dockerd/daemon_unix_test.go
View file

@ -48,10 +48,7 @@ func TestLoadDaemonConfigWithNetwork(t *testing.T) {
}
func TestLoadDaemonConfigWithMapOptions(t *testing.T) {
content := `{
"cluster-store-opts": {"kv.cacertfile": "/var/lib/docker/discovery_certs/ca.pem"},
"log-opts": {"tag": "test"}
}`
content := `{"log-opts": {"tag": "test"}}`
tempFile := fs.NewFile(t, "config", fs.WithContent(content))
defer tempFile.Remove()
@ -59,10 +56,6 @@ func TestLoadDaemonConfigWithMapOptions(t *testing.T) {
loadedConfig, err := loadDaemonCliConfig(opts)
assert.NilError(t, err)
assert.Assert(t, loadedConfig != nil)
assert.Check(t, loadedConfig.ClusterOpts != nil)
expectedPath := "/var/lib/docker/discovery_certs/ca.pem"
assert.Check(t, is.Equal(expectedPath, loadedConfig.ClusterOpts["kv.cacertfile"]))
assert.Check(t, loadedConfig.LogConfig.Config != nil)
assert.Check(t, is.Equal("test", loadedConfig.LogConfig.Config["tag"]))
}