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split generic etcdoption out of main struct

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This commit is contained in:
deads2k
2016-11-09 09:54:53 -05:00
parent 460619ec6c
commit a9af8206cb
12 changed files with 66 additions and 70 deletions
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1
cmd/kube-apiserver/app/BUILD
View File

@@ -36,7 +36,6 @@ go_library(
"//pkg/generated/openapi:go_default_library",
"//pkg/genericapiserver:go_default_library",
"//pkg/genericapiserver/authorizer:go_default_library",
"//pkg/genericapiserver/validation:go_default_library",
"//pkg/master:go_default_library",
"//pkg/registry/cachesize:go_default_library",
"//pkg/runtime/schema:go_default_library",

2
cmd/kube-apiserver/app/options/options.go
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@@ -70,7 +70,7 @@ func (s *ServerRunOptions) AddFlags(fs *pflag.FlagSet) {
// Add the generic flags.
s.GenericServerRunOptions.AddUniversalFlags(fs)
//Add etcd specific flags.
s.GenericServerRunOptions.AddEtcdStorageFlags(fs)
s.GenericServerRunOptions.Etcd.AddEtcdStorageFlags(fs)
// Note: the weird ""+ in below lines seems to be the only way to get gofmt to
// arrange these text blocks sensibly. Grrr.

18
cmd/kube-apiserver/app/server.go
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@@ -50,11 +50,11 @@ import (
generatedopenapi "k8s.io/kubernetes/pkg/generated/openapi"
"k8s.io/kubernetes/pkg/genericapiserver"
"k8s.io/kubernetes/pkg/genericapiserver/authorizer"
genericvalidation "k8s.io/kubernetes/pkg/genericapiserver/validation"
"k8s.io/kubernetes/pkg/master"
"k8s.io/kubernetes/pkg/registry/cachesize"
"k8s.io/kubernetes/pkg/runtime/schema"
"k8s.io/kubernetes/pkg/serviceaccount"
utilerrors "k8s.io/kubernetes/pkg/util/errors"
utilnet "k8s.io/kubernetes/pkg/util/net"
"k8s.io/kubernetes/pkg/util/wait"
"k8s.io/kubernetes/pkg/version"
@@ -80,7 +80,9 @@ cluster's shared state through which all other components interact.`,
// Run runs the specified APIServer. This should never exit.
func Run(s *options.ServerRunOptions) error {
genericvalidation.VerifyEtcdServersList(s.GenericServerRunOptions)
if errs := s.GenericServerRunOptions.Etcd.Validate(); len(errs) > 0 {
return utilerrors.NewAggregate(errs)
}
genericapiserver.DefaultAndValidateRunOptions(s.GenericServerRunOptions)
genericConfig := genericapiserver.NewConfig(). // create the new config
ApplyOptions(s.GenericServerRunOptions). // apply the options selected
@@ -142,7 +144,7 @@ func Run(s *options.ServerRunOptions) error {
// Proxying to pods and services is IP-based... don't expect to be able to verify the hostname
proxyTLSClientConfig := &tls.Config{InsecureSkipVerify: true}
if s.GenericServerRunOptions.StorageConfig.DeserializationCacheSize == 0 {
if s.GenericServerRunOptions.Etcd.StorageConfig.DeserializationCacheSize == 0 {
// When size of cache is not explicitly set, estimate its size based on
// target memory usage.
glog.V(2).Infof("Initalizing deserialization cache size based on %dMB limit", s.GenericServerRunOptions.TargetRAMMB)
@@ -158,9 +160,9 @@ func Run(s *options.ServerRunOptions) error {
// size to compute its size. We may even go further and measure
// collective sizes of the objects in the cache.
clusterSize := s.GenericServerRunOptions.TargetRAMMB / 60
s.GenericServerRunOptions.StorageConfig.DeserializationCacheSize = 25 * clusterSize
if s.GenericServerRunOptions.StorageConfig.DeserializationCacheSize < 1000 {
s.GenericServerRunOptions.StorageConfig.DeserializationCacheSize = 1000
s.GenericServerRunOptions.Etcd.StorageConfig.DeserializationCacheSize = 25 * clusterSize
if s.GenericServerRunOptions.Etcd.StorageConfig.DeserializationCacheSize < 1000 {
s.GenericServerRunOptions.Etcd.StorageConfig.DeserializationCacheSize = 1000
}
}
@@ -169,7 +171,7 @@ func Run(s *options.ServerRunOptions) error {
glog.Fatalf("error generating storage version map: %s", err)
}
storageFactory, err := genericapiserver.BuildDefaultStorageFactory(
s.GenericServerRunOptions.StorageConfig, s.GenericServerRunOptions.DefaultStorageMediaType, api.Codecs,
s.GenericServerRunOptions.Etcd.StorageConfig, s.GenericServerRunOptions.DefaultStorageMediaType, api.Codecs,
genericapiserver.NewDefaultResourceEncodingConfig(), storageGroupsToEncodingVersion,
// FIXME: this GroupVersionResource override should be configurable
[]schema.GroupVersionResource{batch.Resource("cronjobs").WithVersion("v2alpha1")},
@@ -179,7 +181,7 @@ func Run(s *options.ServerRunOptions) error {
}
storageFactory.AddCohabitatingResources(batch.Resource("jobs"), extensions.Resource("jobs"))
storageFactory.AddCohabitatingResources(autoscaling.Resource("horizontalpodautoscalers"), extensions.Resource("horizontalpodautoscalers"))
for _, override := range s.GenericServerRunOptions.EtcdServersOverrides {
for _, override := range s.GenericServerRunOptions.Etcd.EtcdServersOverrides {
tokens := strings.Split(override, "#")
if len(tokens) != 2 {
glog.Errorf("invalid value of etcd server overrides: %s", override)

7
examples/apiserver/apiserver.go
View File

@@ -32,6 +32,7 @@ import (
"k8s.io/kubernetes/pkg/registry/generic"
"k8s.io/kubernetes/pkg/runtime/schema"
"k8s.io/kubernetes/pkg/storage/storagebackend"
utilerrors "k8s.io/kubernetes/pkg/util/errors"
// Install the testgroup API
_ "k8s.io/kubernetes/cmd/libs/go2idl/client-gen/test_apis/testgroup/install"
@@ -64,9 +65,11 @@ func Run(serverOptions *genericoptions.ServerRunOptions, stopCh <-chan struct{})
// Set ServiceClusterIPRange
_, serviceClusterIPRange, _ := net.ParseCIDR("10.0.0.0/24")
serverOptions.ServiceClusterIPRange = *serviceClusterIPRange
serverOptions.StorageConfig.ServerList = []string{"http://127.0.0.1:2379"}
serverOptions.Etcd.StorageConfig.ServerList = []string{"http://127.0.0.1:2379"}
genericvalidation.ValidateRunOptions(serverOptions)
genericvalidation.VerifyEtcdServersList(serverOptions)
if errs := serverOptions.Etcd.Validate(); len(errs) > 0 {
return utilerrors.NewAggregate(errs)
}
config := genericapiserver.NewConfig().ApplyOptions(serverOptions).Complete()
if err := config.MaybeGenerateServingCerts(); err != nil {
// this wasn't treated as fatal for this process before

1
federation/cmd/federation-apiserver/app/BUILD
View File

@@ -43,7 +43,6 @@ go_library(
"//pkg/generated/openapi:go_default_library",
"//pkg/genericapiserver:go_default_library",
"//pkg/genericapiserver/authorizer:go_default_library",
"//pkg/genericapiserver/validation:go_default_library",
"//pkg/registry/cachesize:go_default_library",
"//pkg/registry/core/configmap/etcd:go_default_library",
"//pkg/registry/core/event/etcd:go_default_library",

2
federation/cmd/federation-apiserver/app/options/options.go
View File

@@ -45,7 +45,7 @@ func (s *ServerRunOptions) AddFlags(fs *pflag.FlagSet) {
// Add the generic flags.
s.GenericServerRunOptions.AddUniversalFlags(fs)
//Add etcd specific flags.
s.GenericServerRunOptions.AddEtcdStorageFlags(fs)
s.GenericServerRunOptions.Etcd.AddEtcdStorageFlags(fs)
fs.DurationVar(&s.EventTTL, "event-ttl", s.EventTTL,
"Amount of time to retain events. Default is 1h.")

13
federation/cmd/federation-apiserver/app/server.go
View File

@@ -38,7 +38,6 @@ import (
"k8s.io/kubernetes/pkg/generated/openapi"
"k8s.io/kubernetes/pkg/genericapiserver"
"k8s.io/kubernetes/pkg/genericapiserver/authorizer"
genericvalidation "k8s.io/kubernetes/pkg/genericapiserver/validation"
"k8s.io/kubernetes/pkg/registry/cachesize"
"k8s.io/kubernetes/pkg/registry/generic"
"k8s.io/kubernetes/pkg/registry/generic/registry"
@@ -67,7 +66,9 @@ cluster's shared state through which all other components interact.`,
// Run runs the specified APIServer. This should never exit.
func Run(s *options.ServerRunOptions) error {
genericvalidation.VerifyEtcdServersList(s.GenericServerRunOptions)
if errs := s.GenericServerRunOptions.Etcd.Validate(); len(errs) > 0 {
glog.Fatal(errs)
}
genericapiserver.DefaultAndValidateRunOptions(s.GenericServerRunOptions)
genericConfig := genericapiserver.NewConfig(). // create the new config
ApplyOptions(s.GenericServerRunOptions). // apply the options selected
@@ -80,23 +81,23 @@ func Run(s *options.ServerRunOptions) error {
// TODO: register cluster federation resources here.
resourceConfig := genericapiserver.NewResourceConfig()
if s.GenericServerRunOptions.StorageConfig.DeserializationCacheSize == 0 {
if s.GenericServerRunOptions.Etcd.StorageConfig.DeserializationCacheSize == 0 {
// When size of cache is not explicitly set, set it to 50000
s.GenericServerRunOptions.StorageConfig.DeserializationCacheSize = 50000
s.GenericServerRunOptions.Etcd.StorageConfig.DeserializationCacheSize = 50000
}
storageGroupsToEncodingVersion, err := s.GenericServerRunOptions.StorageGroupsToEncodingVersion()
if err != nil {
glog.Fatalf("error generating storage version map: %s", err)
}
storageFactory, err := genericapiserver.BuildDefaultStorageFactory(
s.GenericServerRunOptions.StorageConfig, s.GenericServerRunOptions.DefaultStorageMediaType, api.Codecs,
s.GenericServerRunOptions.Etcd.StorageConfig, s.GenericServerRunOptions.DefaultStorageMediaType, api.Codecs,
genericapiserver.NewDefaultResourceEncodingConfig(), storageGroupsToEncodingVersion,
[]schema.GroupVersionResource{}, resourceConfig, s.GenericServerRunOptions.RuntimeConfig)
if err != nil {
glog.Fatalf("error in initializing storage factory: %s", err)
}
for _, override := range s.GenericServerRunOptions.EtcdServersOverrides {
for _, override := range s.GenericServerRunOptions.Etcd.EtcdServersOverrides {
tokens := strings.Split(override, "#")
if len(tokens) != 2 {
glog.Errorf("invalid value of etcd server overrides: %s", override)

39
pkg/genericapiserver/options/etcd_options.go
View File

@@ -17,20 +17,55 @@ limitations under the License.
package options
import (
"fmt"
"github.com/spf13/pflag"
"k8s.io/kubernetes/pkg/storage/storagebackend"
)
const (
DefaultEtcdPathPrefix = "/registry"
)
// AddEtcdFlags adds flags related to etcd storage for a specific APIServer to the specified FlagSet
func (s *ServerRunOptions) AddEtcdStorageFlags(fs *pflag.FlagSet) {
type EtcdOptions struct {
StorageConfig storagebackend.Config
EtcdServersOverrides []string
}
func NewDefaultEtcdOptions() *EtcdOptions {
return &EtcdOptions{
StorageConfig: storagebackend.Config{
Prefix: DefaultEtcdPathPrefix,
// Default cache size to 0 - if unset, its size will be set based on target
// memory usage.
DeserializationCacheSize: 0,
},
}
}
func (s *EtcdOptions) Validate() []error {
allErrors := []error{}
if len(s.StorageConfig.ServerList) == 0 {
allErrors = append(allErrors, fmt.Errorf("--etcd-servers must be specified"))
}
return allErrors
}
// AddEtcdFlags adds flags related to etcd storage for a specific APIServer to the specified FlagSet
func (s *EtcdOptions) AddEtcdStorageFlags(fs *pflag.FlagSet) {
fs.StringSliceVar(&s.EtcdServersOverrides, "etcd-servers-overrides", s.EtcdServersOverrides, ""+
"Per-resource etcd servers overrides, comma separated. The individual override "+
"format: group/resource#servers, where servers are http://ip:port, semicolon separated.")
fs.StringVar(&s.StorageConfig.Type, "storage-backend", s.StorageConfig.Type,
"The storage backend for persistence. Options: 'etcd2' (default), 'etcd3'.")
fs.IntVar(&s.StorageConfig.DeserializationCacheSize, "deserialization-cache-size", s.StorageConfig.DeserializationCacheSize,
"Number of deserialized json objects to cache in memory.")
fs.StringSliceVar(&s.StorageConfig.ServerList, "etcd-servers", s.StorageConfig.ServerList,
"List of etcd servers to connect with (scheme://ip:port), comma separated.")

18
pkg/genericapiserver/options/server_run_options.go
View File

@@ -29,7 +29,6 @@ import (
clientset "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
"k8s.io/kubernetes/pkg/client/restclient"
"k8s.io/kubernetes/pkg/runtime/schema"
"k8s.io/kubernetes/pkg/storage/storagebackend"
"k8s.io/kubernetes/pkg/util/config"
utilnet "k8s.io/kubernetes/pkg/util/net"
@@ -55,6 +54,8 @@ var AuthorizationModeChoices = []string{ModeAlwaysAllow, ModeAlwaysDeny, ModeABA
// ServerRunOptions contains the options while running a generic api server.
type ServerRunOptions struct {
Etcd *EtcdOptions
AdmissionControl string
AdmissionControlConfigFile string
AdvertiseAddress net.IP
@@ -86,8 +87,6 @@ type ServerRunOptions struct {
EnableContentionProfiling bool
EnableSwaggerUI bool
EnableWatchCache bool
EtcdServersOverrides []string
StorageConfig storagebackend.Config
ExternalHost string
InsecureBindAddress net.IP
InsecurePort int
@@ -157,12 +156,7 @@ func NewServerRunOptions() *ServerRunOptions {
}
func (o *ServerRunOptions) WithEtcdOptions() *ServerRunOptions {
o.StorageConfig = storagebackend.Config{
Prefix: DefaultEtcdPathPrefix,
// Default cache size to 0 - if unset, its size will be set based on target
// memory usage.
DeserializationCacheSize: 0,
}
o.Etcd = NewDefaultEtcdOptions()
return o
}
@@ -472,12 +466,6 @@ func (s *ServerRunOptions) AddUniversalFlags(fs *pflag.FlagSet) {
fs.Var(&s.ServiceNodePortRange, "service-node-ports", "DEPRECATED: see --service-node-port-range instead")
fs.MarkDeprecated("service-node-ports", "see --service-node-port-range instead")
fs.StringVar(&s.StorageConfig.Type, "storage-backend", s.StorageConfig.Type,
"The storage backend for persistence. Options: 'etcd2' (default), 'etcd3'.")
fs.IntVar(&s.StorageConfig.DeserializationCacheSize, "deserialization-cache-size", s.StorageConfig.DeserializationCacheSize,
"Number of deserialized json objects to cache in memory.")
deprecatedStorageVersion := ""
fs.StringVar(&deprecatedStorageVersion, "storage-version", deprecatedStorageVersion,
"DEPRECATED: the version to store the legacy v1 resources with. Defaults to server preferred.")

5
pkg/genericapiserver/validation/BUILD
View File

@@ -12,10 +12,7 @@ load(
go_library(
name = "go_default_library",
srcs = [
"etcd_validation.go",
"universal_validation.go",
],
srcs = ["universal_validation.go"],
tags = ["automanaged"],
deps = [
"//pkg/genericapiserver/options:go_default_library",

28
pkg/genericapiserver/validation/etcd_validation.go
View File

@@ -1,28 +0,0 @@
/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package validation
import (
"github.com/golang/glog"
"k8s.io/kubernetes/pkg/genericapiserver/options"
)
func VerifyEtcdServersList(options *options.ServerRunOptions) {
if len(options.StorageConfig.ServerList) == 0 {
glog.Fatalf("--etcd-servers must be specified")
}
}

2
test/e2e_node/services/apiserver.go
View File

@@ -41,7 +41,7 @@ func NewAPIServer() *APIServer {
// Start starts the apiserver, returns when apiserver is ready.
func (a *APIServer) Start() error {
config := options.NewServerRunOptions()
config.GenericServerRunOptions.StorageConfig.ServerList = []string{getEtcdClientURL()}
config.GenericServerRunOptions.Etcd.StorageConfig.ServerList = []string{getEtcdClientURL()}
_, ipnet, err := net.ParseCIDR(clusterIPRange)
if err != nil {
return err