enable master election
Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>
This commit is contained in:
Evan Hazlett
parent
bde4dba555
commit
9b07492180
8 changed files with 112 additions and 63 deletions
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@ -13,12 +13,14 @@ import (
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codes "google.golang.org/grpc/codes"
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status "google.golang.org/grpc/status"
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math "math"
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time "time"
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)
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// Reference imports to suppress errors if they are not otherwise used.
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var _ = proto.Marshal
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var _ = fmt.Errorf
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var _ = math.Inf
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var _ = time.Kitchen
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// This is a compile-time assertion to ensure that this generated file
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// is compatible with the proto package it is being compiled against.
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@ -217,6 +219,7 @@ type Node struct {
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EndpointIP string `protobuf:"bytes,4,opt,name=endpoint_ip,json=endpointIp,proto3" json:"endpoint_ip,omitempty"`
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EndpointPort uint64 `protobuf:"varint,5,opt,name=endpoint_port,json=endpointPort,proto3" json:"endpoint_port,omitempty"`
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GatewayIP string `protobuf:"bytes,6,opt,name=gateway_ip,json=gatewayIp,proto3" json:"gateway_ip,omitempty"`
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Updated time.Time `protobuf:"bytes,7,opt,name=updated,proto3,stdtime" json:"updated"`
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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XXX_sizecache int32 `json:"-"`
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@ -288,6 +291,13 @@ func (m *Node) GetGatewayIP() string {
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return ""
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}
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func (m *Node) GetUpdated() time.Time {
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if m != nil {
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return m.Updated
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}
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return time.Time{}
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}
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type NodesRequest struct {
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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@ -707,56 +717,59 @@ func init() {
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}
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var fileDescriptor_b6184fc395da86b1 = []byte{
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// 784 bytes of a gzipped FileDescriptorProto
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|
||||
0x0f, 0x81, 0x98, 0x03, 0x2c, 0xc0, 0x2e, 0x8f, 0x84, 0x9e, 0x35, 0x95, 0x5e, 0xd9, 0x31, 0x18,
|
||||
0x3e, 0x00, 0x61, 0xb6, 0xfb, 0x11, 0x9c, 0xad, 0xbe, 0xa2, 0x4f, 0x9a, 0x28, 0xbe, 0x33, 0x07,
|
||||
0x83, 0x47, 0x77, 0x5e, 0x85, 0xe7, 0xea, 0xe7, 0x4d, 0xb1, 0x6f, 0x35, 0xb8, 0x11, 0xfb, 0xdd,
|
||||
0x81, 0xb8, 0x97, 0xfd, 0x0a, 0x3a, 0xfa, 0x31, 0x41, 0x61, 0xc3, 0x57, 0xa3, 0x36, 0xea, 0x59,
|
||||
0x73, 0x80, 0xf1, 0xe9, 0x0a, 0x3a, 0xfa, 0x5e, 0x36, 0xda, 0x6b, 0xfb, 0x46, 0x37, 0xda, 0x6b,
|
||||
0xe7, 0xca, 0x9f, 0x05, 0x3f, 0x3c, 0x6d, 0xfc, 0x07, 0xe5, 0xb3, 0xd5, 0x70, 0x6a, 0x6b, 0x5f,
|
||||
0x3e, 0xfe, 0x3b, 0x00, 0x00, 0xff, 0xff, 0x46, 0x38, 0x83, 0x35, 0xd7, 0x08, 0x00, 0x00,
|
||||
}
|
||||
|
||||
// Reference imports to suppress errors if they are not otherwise used.
|
||||
|
|
|
|||
|
|
@ -4,6 +4,7 @@ package io.stellarproject.heimdall.api.v1;
|
|||
|
||||
import "gogoproto/gogo.proto";
|
||||
import "google/protobuf/empty.proto";
|
||||
import "google/protobuf/timestamp.proto";
|
||||
|
||||
option go_package = "github.com/stellarproject/heimdall/api/v1;v1";
|
||||
|
||||
|
|
@ -43,6 +44,7 @@ message Node {
|
|||
string endpoint_ip = 4 [(gogoproto.customname) = "EndpointIP"];
|
||||
uint64 endpoint_port = 5;
|
||||
string gateway_ip = 6 [(gogoproto.customname) = "GatewayIP"];
|
||||
google.protobuf.Timestamp updated = 7 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
|
||||
}
|
||||
|
||||
message NodesRequest {}
|
||||
|
|
|
|||
|
|
@ -26,6 +26,7 @@ import (
|
|||
"os"
|
||||
"text/tabwriter"
|
||||
|
||||
humanize "github.com/dustin/go-humanize"
|
||||
"github.com/urfave/cli"
|
||||
)
|
||||
|
||||
|
|
@ -53,10 +54,10 @@ var listNodesCommand = cli.Command{
|
|||
}
|
||||
|
||||
w := tabwriter.NewWriter(os.Stdout, 20, 1, 3, ' ', 0)
|
||||
fmt.Fprintf(w, "ID\tADDR\tENDPOINT\tGATEWAY\tPUBLIC KEY\n")
|
||||
fmt.Fprintf(w, "ID\tADDR\tENDPOINT\tGATEWAY\tUPDATED\tPUBLIC KEY\n")
|
||||
for _, n := range nodes {
|
||||
ep := fmt.Sprintf("%s:%d", n.EndpointIP, n.EndpointPort)
|
||||
fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\n", n.ID, n.Addr, ep, n.GatewayIP, n.KeyPair.PublicKey)
|
||||
fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\t%s\n", n.ID, n.Addr, ep, n.GatewayIP, humanize.Time(n.Updated), n.KeyPair.PublicKey)
|
||||
}
|
||||
w.Flush()
|
||||
|
||||
|
|
|
|||
1
go.mod
1
go.mod
|
|
@ -6,6 +6,7 @@ require (
|
|||
github.com/certifi/gocertifi v0.0.0-20190905060710-a5e0173ced67 // indirect
|
||||
github.com/containerd/typeurl v0.0.0-20190911142611-5eb25027c9fd
|
||||
github.com/crosbymichael/guard v0.0.0-20190716141324-5c2daadf8067 // indirect
|
||||
github.com/dustin/go-humanize v1.0.0
|
||||
github.com/getsentry/raven-go v0.2.0 // indirect
|
||||
github.com/gogo/googleapis v1.3.0
|
||||
github.com/gogo/protobuf v1.3.0
|
||||
|
|
|
|||
2
go.sum
2
go.sum
|
|
@ -19,6 +19,8 @@ github.com/crosbymichael/guard v0.0.0-20190716141324-5c2daadf8067/go.mod h1:+l2f
|
|||
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
|
||||
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
|
||||
github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
|
||||
github.com/ehazlett/ttlcache v0.0.0-20190820213212-4400e3aef9f0/go.mod h1:D7IiYXsX2n2xixWvFTxGeZucCvvNtI14ikLj6L9Kp9E=
|
||||
github.com/getsentry/raven-go v0.2.0 h1:no+xWJRb5ZI7eE8TWgIq1jLulQiIoLG0IfYxv5JYMGs=
|
||||
github.com/getsentry/raven-go v0.2.0/go.mod h1:KungGk8q33+aIAZUIVWZDr2OfAEBsO49PX4NzFV5kcQ=
|
||||
|
|
|
|||
|
|
@ -34,6 +34,8 @@ import (
|
|||
var (
|
||||
// ErrInvalidAuth is returned when an invalid cluster key is specified upon connect
|
||||
ErrInvalidAuth = errors.New("invalid cluster key specified")
|
||||
// ErrNoMaster is returned if there is no configured master yet
|
||||
ErrNoMaster = errors.New("no configured master")
|
||||
)
|
||||
|
||||
// Connect is called when a peer wants to connect to the node
|
||||
|
|
@ -48,6 +50,9 @@ func (s *Server) Connect(ctx context.Context, req *v1.ConnectRequest) (*v1.Conne
|
|||
}
|
||||
data, err := redis.Bytes(s.local(ctx, "GET", masterKey))
|
||||
if err != nil {
|
||||
if err == redis.ErrNil {
|
||||
return nil, ErrNoMaster
|
||||
}
|
||||
return nil, err
|
||||
}
|
||||
var master v1.Master
|
||||
|
|
|
|||
|
|
@ -24,6 +24,7 @@ package server
|
|||
import (
|
||||
"context"
|
||||
"net/url"
|
||||
"sort"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
|
|
@ -121,6 +122,8 @@ func (s *Server) configureNode() error {
|
|||
continue
|
||||
}
|
||||
|
||||
go s.replicaMonitor()
|
||||
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
|
@ -178,6 +181,16 @@ func (s *Server) replicaMonitor() {
|
|||
for range t.C {
|
||||
if _, err := redis.Bytes(s.local(context.Background(), "GET", masterKey)); err != nil {
|
||||
if err == redis.ErrNil {
|
||||
// skip configure until new leader election
|
||||
n, err := s.getNextMaster(context.Background())
|
||||
if err != nil {
|
||||
logrus.Error(err)
|
||||
continue
|
||||
}
|
||||
if n.ID != s.cfg.ID {
|
||||
logrus.Debugf("waiting for new master to initialize: %s", n.ID)
|
||||
continue
|
||||
}
|
||||
if err := s.configureNode(); err != nil {
|
||||
logrus.Error(err)
|
||||
continue
|
||||
|
|
@ -194,6 +207,18 @@ func (s *Server) replicaMonitor() {
|
|||
t.Stop()
|
||||
}
|
||||
|
||||
func (s *Server) getNextMaster(ctx context.Context) (*v1.Node, error) {
|
||||
nodes, err := s.getNodes(ctx)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if len(nodes) == 0 {
|
||||
return nil, nil
|
||||
}
|
||||
sort.SliceStable(nodes, func(i, j int) bool { return nodes[i].Updated.Before(nodes[j].Updated) })
|
||||
return nodes[len(nodes)-1], nil
|
||||
}
|
||||
|
||||
func (s *Server) masterHeartbeat() {
|
||||
logrus.Debugf("starting master heartbeat: ttl=%s", masterHeartbeatInterval)
|
||||
// initial update
|
||||
|
|
@ -286,6 +311,7 @@ func (s *Server) nodeHeartbeat(ctx context.Context) {
|
|||
continue
|
||||
}
|
||||
node := &v1.Node{
|
||||
Updated: time.Now(),
|
||||
ID: s.cfg.ID,
|
||||
Addr: s.cfg.GRPCAddress,
|
||||
KeyPair: keyPair,
|
||||
|
|
|
|||
|
|
@ -58,7 +58,7 @@ const (
|
|||
var (
|
||||
empty = &ptypes.Empty{}
|
||||
masterHeartbeatInterval = time.Second * 5
|
||||
nodeHeartbeatInterval = time.Second * 60
|
||||
nodeHeartbeatInterval = time.Second * 15
|
||||
nodeHeartbeatExpiry = 86400
|
||||
peerConfigUpdateInterval = time.Second * 10
|
||||
|
||||
|
|
@ -130,7 +130,6 @@ func (s *Server) Run() error {
|
|||
|
||||
go s.replicaMonitor()
|
||||
} else {
|
||||
// starting as master; remove existing key
|
||||
if err := s.configureNode(); err != nil {
|
||||
return err
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue