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server.go
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server.go
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package server
import (
"encoding/json"
"github.com/coreos/fleet/third_party/github.com/coreos/go-etcd/etcd"
log "github.com/coreos/fleet/third_party/github.com/golang/glog"
"github.com/coreos/fleet/agent"
"github.com/coreos/fleet/config"
"github.com/coreos/fleet/engine"
"github.com/coreos/fleet/machine"
"github.com/coreos/fleet/registry"
"github.com/coreos/fleet/sign"
)
type Server struct {
agent *agent.Agent
engine *engine.Engine
}
func New(cfg config.Config) (*Server, error) {
a, err := newAgentFromConfig(cfg)
if err != nil {
return nil, err
}
e := newEngineFromConfig(cfg)
return &Server{a, e}, nil
}
func newAgentFromConfig(cfg config.Config) (*agent.Agent, error) {
mach := machine.New("", cfg.PublicIP, cfg.Metadata())
regClient := etcd.NewClient(cfg.EtcdServers)
regClient.SetConsistency(etcd.STRONG_CONSISTENCY)
reg := registry.New(regClient, cfg.EtcdKeyPrefix)
eClient := etcd.NewClient(cfg.EtcdServers)
eClient.SetConsistency(etcd.STRONG_CONSISTENCY)
eStream := registry.NewEventStream(eClient, reg)
var verifier *sign.SignatureVerifier
if cfg.VerifyUnits {
var err error
verifier, err = sign.NewSignatureVerifierFromAuthorizedKeysFile(cfg.AuthorizedKeysFile)
if err != nil {
log.Errorln("Failed to get any key from authorized key file in verify_units mode:", err)
verifier = sign.NewSignatureVerifier()
}
}
return agent.New(reg, eStream, mach, cfg.AgentTTL, verifier)
}
func newEngineFromConfig(cfg config.Config) *engine.Engine {
mach := machine.New("", cfg.PublicIP, cfg.Metadata())
regClient := etcd.NewClient(cfg.EtcdServers)
regClient.SetConsistency(etcd.STRONG_CONSISTENCY)
reg := registry.New(regClient, cfg.EtcdKeyPrefix)
eClient := etcd.NewClient(cfg.EtcdServers)
eClient.SetConsistency(etcd.STRONG_CONSISTENCY)
eStream := registry.NewEventStream(eClient, reg)
return engine.New(reg, eStream, mach)
}
func (s *Server) Run() {
s.agent.Run()
s.engine.Run()
}
func (s *Server) Stop() {
s.agent.Stop()
s.engine.Stop()
}
func (s *Server) Purge() {
s.agent.Purge()
}
func (s *Server) MarshalJSON() ([]byte, error) {
return json.Marshal(struct{ Agent *agent.Agent }{Agent: s.agent})
}