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Adds ability to define a prefix for etcd paths

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The API server can be supplied (via a command line flag) with a custom
prefix that is prepended to etcd resources paths.

Refs: #3476
This commit is contained in:
Karl Beecher
2015-03-11 18:10:09 +01:00
parent 2532fe56c3
commit a7623ca6cc
45 changed files with 562 additions and 227 deletions
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9
cmd/kube-apiserver/app/server.go
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@@ -71,6 +71,7 @@ type APIServer struct {
AdmissionControlConfigFile string
EtcdServerList util.StringList
EtcdConfigFile string
EtcdPathPrefix string
CorsAllowedOriginList util.StringList
AllowPrivileged bool
PortalNet util.IPNet // TODO: make this a list
@@ -98,6 +99,7 @@ func NewAPIServer() *APIServer {
EventTTL: 1 * time.Hour,
AuthorizationMode: "AlwaysAllow",
AdmissionControl: "AlwaysAdmit",
EtcdPathPrefix: master.DefaultEtcdPathPrefix,
EnableLogsSupport: true,
MasterServiceNamespace: api.NamespaceDefault,
ClusterName: "kubernetes",
@@ -161,6 +163,7 @@ func (s *APIServer) AddFlags(fs *pflag.FlagSet) {
fs.StringVar(&s.AdmissionControlConfigFile, "admission_control_config_file", s.AdmissionControlConfigFile, "File with admission control configuration.")
fs.Var(&s.EtcdServerList, "etcd_servers", "List of etcd servers to watch (http://ip:port), comma separated. Mutually exclusive with -etcd_config")
fs.StringVar(&s.EtcdConfigFile, "etcd_config", s.EtcdConfigFile, "The config file for the etcd client. Mutually exclusive with -etcd_servers.")
fs.StringVar(&s.EtcdPathPrefix, "etcd_prefix", s.EtcdPathPrefix, "The prefix for all resource paths in etcd.")
fs.Var(&s.CorsAllowedOriginList, "cors_allowed_origins", "List of allowed origins for CORS, comma separated. An allowed origin can be a regular expression to support subdomain matching. If this list is empty CORS will not be enabled.")
fs.BoolVar(&s.AllowPrivileged, "allow_privileged", s.AllowPrivileged, "If true, allow privileged containers.")
fs.Var(&s.PortalNet, "portal_net", "A CIDR notation IP range from which to assign portal IPs. This must not overlap with any IP ranges assigned to nodes for pods.")
@@ -181,7 +184,7 @@ func (s *APIServer) verifyPortalFlags() {
}
}
func newEtcd(etcdConfigFile string, etcdServerList util.StringList, storageVersion string) (helper tools.EtcdHelper, err error) {
func newEtcd(etcdConfigFile string, etcdServerList util.StringList, storageVersion string, pathPrefix string) (helper tools.EtcdHelper, err error) {
var client tools.EtcdGetSet
if etcdConfigFile != "" {
client, err = etcd.NewClientFromFile(etcdConfigFile)
@@ -192,7 +195,7 @@ func newEtcd(etcdConfigFile string, etcdServerList util.StringList, storageVersi
client = etcd.NewClient(etcdServerList)
}
return master.NewEtcdHelper(client, storageVersion)
return master.NewEtcdHelper(client, storageVersion, pathPrefix)
}
// Run runs the specified APIServer. This should never exit.
@@ -232,7 +235,7 @@ func (s *APIServer) Run(_ []string) error {
glog.Fatalf("Invalid server address: %v", err)
}
helper, err := newEtcd(s.EtcdConfigFile, s.EtcdServerList, s.StorageVersion)
helper, err := newEtcd(s.EtcdConfigFile, s.EtcdServerList, s.StorageVersion, s.EtcdPathPrefix)
if err != nil {
glog.Fatalf("Invalid storage version or misconfigured etcd: %v", err)
}