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daemon_unix_test.go
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// +build daemon,!windows
package main
import (
"io/ioutil"
"testing"
"github.com/docker/docker/cli"
"github.com/docker/docker/daemon"
"github.com/docker/docker/opts"
"github.com/docker/docker/pkg/mflag"
)
func TestLoadDaemonCliConfigWithDaemonFlags(t *testing.T) {
c := &daemon.Config{}
common := &cli.CommonFlags{
Debug: true,
LogLevel: "info",
}
f, err := ioutil.TempFile("", "docker-config-")
if err != nil {
t.Fatal(err)
}
configFile := f.Name()
f.Write([]byte(`{"log-opts": {"max-size": "1k"}}`))
f.Close()
flags := mflag.NewFlagSet("test", mflag.ContinueOnError)
flags.String([]string{daemonConfigFileFlag}, "", "")
flags.BoolVar(&c.EnableSelinuxSupport, []string{"-selinux-enabled"}, true, "")
flags.StringVar(&c.LogConfig.Type, []string{"-log-driver"}, "json-file", "")
flags.Var(opts.NewNamedMapOpts("log-opts", c.LogConfig.Config, nil), []string{"-log-opt"}, "")
flags.Set(daemonConfigFileFlag, configFile)
loadedConfig, err := loadDaemonCliConfig(c, flags, common, configFile)
if err != nil {
t.Fatal(err)
}
if loadedConfig == nil {
t.Fatalf("expected configuration %v, got nil", c)
}
if !loadedConfig.Debug {
t.Fatalf("expected debug mode, got false")
}
if loadedConfig.LogLevel != "info" {
t.Fatalf("expected info log level, got %v", loadedConfig.LogLevel)
}
if !loadedConfig.EnableSelinuxSupport {
t.Fatalf("expected enabled selinux support, got disabled")
}
if loadedConfig.LogConfig.Type != "json-file" {
t.Fatalf("expected LogConfig type json-file, got %v", loadedConfig.LogConfig.Type)
}
if maxSize := loadedConfig.LogConfig.Config["max-size"]; maxSize != "1k" {
t.Fatalf("expected log max-size `1k`, got %s", maxSize)
}
}
func TestLoadDaemonConfigWithNetwork(t *testing.T) {
c := &daemon.Config{}
common := &cli.CommonFlags{}
flags := mflag.NewFlagSet("test", mflag.ContinueOnError)
flags.String([]string{"-bip"}, "", "")
flags.String([]string{"-ip"}, "", "")
f, err := ioutil.TempFile("", "docker-config-")
if err != nil {
t.Fatal(err)
}
configFile := f.Name()
f.Write([]byte(`{"bip": "127.0.0.2", "ip": "127.0.0.1"}`))
f.Close()
loadedConfig, err := loadDaemonCliConfig(c, flags, common, configFile)
if err != nil {
t.Fatal(err)
}
if loadedConfig == nil {
t.Fatalf("expected configuration %v, got nil", c)
}
if loadedConfig.IP != "127.0.0.2" {
t.Fatalf("expected IP 127.0.0.2, got %v", loadedConfig.IP)
}
if loadedConfig.DefaultIP.String() != "127.0.0.1" {
t.Fatalf("expected DefaultIP 127.0.0.1, got %s", loadedConfig.DefaultIP)
}
}
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)
}
}
func TestLoadDaemonConfigWithTrueDefaultValues(t *testing.T) {
c := &daemon.Config{}
common := &cli.CommonFlags{}
flags := mflag.NewFlagSet("test", mflag.ContinueOnError)
flags.BoolVar(&c.EnableUserlandProxy, []string{"-userland-proxy"}, true, "")
f, err := ioutil.TempFile("", "docker-config-")
if err != nil {
t.Fatal(err)
}
if err := flags.ParseFlags([]string{}, false); err != nil {
t.Fatal(err)
}
configFile := f.Name()
f.Write([]byte(`{
"userland-proxy": false
}`))
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.EnableUserlandProxy {
t.Fatal("expected userland proxy to be disabled, got enabled")
}
// make sure reloading doesn't generate configuration
// conflicts after normalizing boolean values.
err = daemon.ReloadConfiguration(configFile, flags, func(reloadedConfig *daemon.Config) {
if reloadedConfig.EnableUserlandProxy {
t.Fatal("expected userland proxy to be disabled, got enabled")
}
})
if err != nil {
t.Fatal(err)
}
}
func TestLoadDaemonConfigWithTrueDefaultValuesLeaveDefaults(t *testing.T) {
c := &daemon.Config{}
common := &cli.CommonFlags{}
flags := mflag.NewFlagSet("test", mflag.ContinueOnError)
flags.BoolVar(&c.EnableUserlandProxy, []string{"-userland-proxy"}, true, "")
f, err := ioutil.TempFile("", "docker-config-")
if err != nil {
t.Fatal(err)
}
if err := flags.ParseFlags([]string{}, false); err != nil {
t.Fatal(err)
}
configFile := f.Name()
f.Write([]byte(`{}`))
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.EnableUserlandProxy {
t.Fatal("expected userland proxy to be enabled, got disabled")
}
}