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Make sure flat options are not parsed as config structures.

Signed-off-by: David Calavera <david.calavera@gmail.com>
This commit is contained in:
David Calavera 2016-02-02 14:33:41 -05:00
parent 7abc7b383c
commit b6766e3063
2 changed files with 58 additions and 4 deletions

View file

@ -21,6 +21,15 @@ const (
disableNetworkBridge = "none"
)
// flatOptions contains configuration keys
// that MUST NOT be parsed as deep structures.
// Use this to differentiate these options
// with others like the ones in CommonTLSOptions.
var flatOptions = map[string]bool{
"cluster-store-opts": true,
"log-opts": true,
}
// LogConfig represents the default log configuration.
// It includes json tags to deserialize configuration from a file
// using the same names that the flags in the command line uses.
@ -208,13 +217,14 @@ func getConflictFreeConfiguration(configFile string, flags *flag.FlagSet) (*Conf
func configValuesSet(config map[string]interface{}) map[string]interface{} {
flatten := make(map[string]interface{})
for k, v := range config {
if m, ok := v.(map[string]interface{}); ok {
if m, isMap := v.(map[string]interface{}); isMap && !flatOptions[k] {
for km, vm := range m {
flatten[km] = vm
}
} else {
flatten[k] = v
continue
}
flatten[k] = v
}
return flatten
}

View file

@ -238,7 +238,7 @@ func TestLoadDaemonConfigWithEmbeddedOptions(t *testing.T) {
t.Fatal(err)
}
if loadedConfig == nil {
t.Fatalf("expected configuration %v, got nil", c)
t.Fatal("expected configuration, got nil")
}
if loadedConfig.CommonTLSOptions.CAFile != "/etc/certs/ca.pem" {
t.Fatalf("expected CA file path /etc/certs/ca.pem, got %v", loadedConfig.CommonTLSOptions.CAFile)
@ -247,3 +247,47 @@ func TestLoadDaemonConfigWithEmbeddedOptions(t *testing.T) {
t.Fatalf("expected LogConfig type syslog, got %v", loadedConfig.LogConfig.Type)
}
}
func TestLoadDaemonConfigWithMapOptions(t *testing.T) {
c := &daemon.Config{}
common := &cli.CommonFlags{}
flags := mflag.NewFlagSet("test", mflag.ContinueOnError)
flags.Var(opts.NewNamedMapOpts("cluster-store-opts", c.ClusterOpts, nil), []string{"-cluster-store-opt"}, "")
flags.Var(opts.NewNamedMapOpts("log-opts", c.LogConfig.Config, nil), []string{"-log-opt"}, "")
f, err := ioutil.TempFile("", "docker-config-")
if err != nil {
t.Fatal(err)
}
configFile := f.Name()
f.Write([]byte(`{
"cluster-store-opts": {"kv.cacertfile": "/var/lib/docker/discovery_certs/ca.pem"},
"log-opts": {"tag": "test"}
}`))
f.Close()
loadedConfig, err := loadDaemonCliConfig(c, flags, common, configFile)
if err != nil {
t.Fatal(err)
}
if loadedConfig == nil {
t.Fatal("expected configuration, got nil")
}
if loadedConfig.ClusterOpts == nil {
t.Fatal("expected cluster options, got nil")
}
expectedPath := "/var/lib/docker/discovery_certs/ca.pem"
if caPath := loadedConfig.ClusterOpts["kv.cacertfile"]; caPath != expectedPath {
t.Fatalf("expected %s, got %s", expectedPath, caPath)
}
if loadedConfig.LogConfig.Config == nil {
t.Fatal("expected log config options, got nil")
}
if tag := loadedConfig.LogConfig.Config["tag"]; tag != "test" {
t.Fatalf("expected log tag `test`, got %s", tag)
}
}