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Merge pull request #806 from stevvooe/ng-registry-main 

NG: Add registry main cmd
master
Olivier Gambier 2014-12-02 12:34:59 -08:00
parent efa4e03519 3301626830
commit e0414278d3
4 changed files with 119 additions and 15 deletions
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5
cmd/registry/config.yml Normal file
View File

@ -0,0 +1,5 @@
version: 0.1
loglevel: debug
storage: inmemory
http:
addr: localhost:5000

85
cmd/registry/main.go Normal file
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@ -0,0 +1,85 @@
package main
import (
"flag"
"fmt"
"net/http"
_ "net/http/pprof"
"os"
"github.com/gorilla/handlers"
log "github.com/Sirupsen/logrus"
"github.com/docker/docker-registry"
"github.com/docker/docker-registry/configuration"
_ "github.com/docker/docker-registry/storagedriver/filesystem"
_ "github.com/docker/docker-registry/storagedriver/inmemory"
_ "github.com/docker/docker-registry/storagedriver/s3"
)
func main() {
flag.Usage = usage
flag.Parse()
config, err := resolveConfiguration()
if err != nil {
fatalf("configuration error: %v", err)
}
app := registry.NewApp(*config)
handler := handlers.CombinedLoggingHandler(os.Stdout, app)
log.SetLevel(logLevel(config.Loglevel))
log.Infof("listening on %v", config.HTTP.Addr)
if err := http.ListenAndServe(config.HTTP.Addr, handler); err != nil {
log.Fatalln(err)
}
}
func usage() {
fmt.Fprintln(os.Stderr, "usage:", os.Args[0], "<config>")
flag.PrintDefaults()
}
func fatalf(format string, args ...interface{}) {
fmt.Fprintf(os.Stderr, format+"\n", args...)
usage()
os.Exit(1)
}
func resolveConfiguration() (*configuration.Configuration, error) {
var configurationPath string
if flag.NArg() > 0 {
configurationPath = flag.Arg(0)
} else if os.Getenv("REGISTRY_CONFIGURATION_PATH") != "" {
configurationPath = os.Getenv("REGISTRY_CONFIGURATION_PATH")
}
if configurationPath == "" {
return nil, fmt.Errorf("configuration path unspecified")
}
fp, err := os.Open(configurationPath)
if err != nil {
return nil, err
}
config, err := configuration.Parse(fp)
if err != nil {
return nil, fmt.Errorf("error parsing %s: %v", configurationPath, err)
}
return config, nil
}
func logLevel(level configuration.Loglevel) log.Level {
l, err := log.ParseLevel(string(level))
if err != nil {
log.Warnf("error parsing level %q: %v", level, err)
l = log.InfoLevel
}
return l
}

20
configuration/configuration.go
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@ -2,6 +2,8 @@ package configuration
import (
"fmt"
"io"
"io/ioutil"
"os"
"regexp"
"strconv"
@ -21,6 +23,13 @@ type Configuration struct {
// Storage is the configuration for the registry's storage driver
Storage Storage `yaml:"storage"`
// HTTP contains configuration parameters for the registry's http
// interface.
HTTP struct {
// Addr specifies the bind address for the registry instance.
Addr string `yaml:"addr"`
} `yaml:"http"`
}
// v0_1Configuration is a Version 0.1 Configuration struct
@ -178,16 +187,21 @@ type Parameters map[string]string
// following the scheme below:
// Configuration.Abc may be replaced by the value of REGISTRY_ABC,
// Configuration.Abc.Xyz may be replaced by the value of REGISTRY_ABC_XYZ, and so forth
func Parse(in []byte) (*Configuration, error) {
func Parse(rd io.Reader) (*Configuration, error) {
in, err := ioutil.ReadAll(rd)
if err != nil {
return nil, err
}
var untypedConfig struct {
Version Version
}
var config *Configuration
err := yaml.Unmarshal(in, &untypedConfig)
if err != nil {
if err := yaml.Unmarshal(in, &untypedConfig); err != nil {
return nil, err
}
if untypedConfig.Version == "" {
return nil, fmt.Errorf("Please specify a configuration version. Current version is %s", CurrentVersion)
}

24
configuration/configuration_test.go
View File

@ -1,12 +1,12 @@
package configuration
import (
"bytes"
"os"
"testing"
"gopkg.in/yaml.v2"
. "gopkg.in/check.v1"
"gopkg.in/yaml.v2"
)
// Hook up gocheck into the "go test" runner
@ -72,14 +72,14 @@ func (suite *ConfigSuite) SetUpTest(c *C) {
func (suite *ConfigSuite) TestMarshalRoundtrip(c *C) {
configBytes, err := yaml.Marshal(suite.expectedConfig)
c.Assert(err, IsNil)
config, err := Parse(configBytes)
config, err := Parse(bytes.NewReader(configBytes))
c.Assert(err, IsNil)
c.Assert(config, DeepEquals, suite.expectedConfig)
}
// TestParseSimple validates that configYamlV0_1 can be parsed into a struct matching configStruct
func (suite *ConfigSuite) TestParseSimple(c *C) {
config, err := Parse([]byte(configYamlV0_1))
config, err := Parse(bytes.NewReader([]byte(configYamlV0_1)))
c.Assert(err, IsNil)
c.Assert(config, DeepEquals, suite.expectedConfig)
}
@ -89,7 +89,7 @@ func (suite *ConfigSuite) TestParseSimple(c *C) {
func (suite *ConfigSuite) TestParseInmemory(c *C) {
suite.expectedConfig.Storage = Storage{"inmemory": Parameters{}}
config, err := Parse([]byte(inmemoryConfigYamlV0_1))
config, err := Parse(bytes.NewReader([]byte(inmemoryConfigYamlV0_1)))
c.Assert(err, IsNil)
c.Assert(config, DeepEquals, suite.expectedConfig)
}
@ -100,7 +100,7 @@ func (suite *ConfigSuite) TestParseWithSameEnvStorage(c *C) {
os.Setenv("REGISTRY_STORAGE", "s3")
os.Setenv("REGISTRY_STORAGE_S3_REGION", "us-east-1")
config, err := Parse([]byte(configYamlV0_1))
config, err := Parse(bytes.NewReader([]byte(configYamlV0_1)))
c.Assert(err, IsNil)
c.Assert(config, DeepEquals, suite.expectedConfig)
}
@ -117,7 +117,7 @@ func (suite *ConfigSuite) TestParseWithDifferentEnvStorageParams(c *C) {
os.Setenv("REGISTRY_STORAGE_S3_SECURE", "true")
os.Setenv("REGISTRY_STORAGE_S3_NEWPARAM", "some Value")
config, err := Parse([]byte(configYamlV0_1))
config, err := Parse(bytes.NewReader([]byte(configYamlV0_1)))
c.Assert(err, IsNil)
c.Assert(config, DeepEquals, suite.expectedConfig)
}
@ -129,7 +129,7 @@ func (suite *ConfigSuite) TestParseWithDifferentEnvStorageType(c *C) {
os.Setenv("REGISTRY_STORAGE", "inmemory")
config, err := Parse([]byte(configYamlV0_1))
config, err := Parse(bytes.NewReader([]byte(configYamlV0_1)))
c.Assert(err, IsNil)
c.Assert(config, DeepEquals, suite.expectedConfig)
}
@ -144,7 +144,7 @@ func (suite *ConfigSuite) TestParseWithDifferentEnvStorageTypeAndParams(c *C) {
os.Setenv("REGISTRY_STORAGE", "filesystem")
os.Setenv("REGISTRY_STORAGE_FILESYSTEM_ROOTDIRECTORY", "/tmp/testroot")
config, err := Parse([]byte(configYamlV0_1))
config, err := Parse(bytes.NewReader([]byte(configYamlV0_1)))
c.Assert(err, IsNil)
c.Assert(config, DeepEquals, suite.expectedConfig)
}
@ -154,7 +154,7 @@ func (suite *ConfigSuite) TestParseWithDifferentEnvStorageTypeAndParams(c *C) {
func (suite *ConfigSuite) TestParseWithSameEnvLoglevel(c *C) {
os.Setenv("REGISTRY_LOGLEVEL", "info")
config, err := Parse([]byte(configYamlV0_1))
config, err := Parse(bytes.NewReader([]byte(configYamlV0_1)))
c.Assert(err, IsNil)
c.Assert(config, DeepEquals, suite.expectedConfig)
}
@ -166,7 +166,7 @@ func (suite *ConfigSuite) TestParseWithDifferentEnvLoglevel(c *C) {
os.Setenv("REGISTRY_LOGLEVEL", "error")
config, err := Parse([]byte(configYamlV0_1))
config, err := Parse(bytes.NewReader([]byte(configYamlV0_1)))
c.Assert(err, IsNil)
c.Assert(config, DeepEquals, suite.expectedConfig)
}
@ -177,7 +177,7 @@ func (suite *ConfigSuite) TestParseInvalidVersion(c *C) {
suite.expectedConfig.Version = MajorMinorVersion(CurrentVersion.Major(), CurrentVersion.Minor()+1)
configBytes, err := yaml.Marshal(suite.expectedConfig)
c.Assert(err, IsNil)
_, err = Parse(configBytes)
_, err = Parse(bytes.NewReader(configBytes))
c.Assert(err, NotNil)
}