stellarproject/heimdall
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enable redis over wireguard

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Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>
This commit is contained in:
Evan Hazlett 2019-10-07 23:37:13 -04:00
parent 190ec3130d
commit 48d43ee2ee
8 changed files with 210 additions and 85 deletions
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146
api/v1/heimdall.pb.go
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@ -32,6 +32,7 @@ type Master struct {
ID string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
GRPCAddress string `protobuf:"bytes,2,opt,name=grpc_address,json=grpcAddress,proto3" json:"grpc_address,omitempty"`
RedisURL string `protobuf:"bytes,3,opt,name=redis_url,json=redisUrl,proto3" json:"redis_url,omitempty"`
GatewayIP string `protobuf:"bytes,4,opt,name=gateway_ip,json=gatewayIp,proto3" json:"gateway_ip,omitempty"`
Peers []*Peer `protobuf:"bytes,5,rep,name=peers,proto3" json:"peers,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
@ -83,6 +84,13 @@ func (m *Master) GetRedisURL() string {
return ""
}
func (m *Master) GetGatewayIP() string {
if m != nil {
return m.GatewayIP
}
return ""
}
func (m *Master) GetPeers() []*Peer {
if m != nil {
return m.Peers
@ -1031,75 +1039,75 @@ func init() {
}
var fileDescriptor_b6184fc395da86b1 = []byte{
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0xc5, 0xcf, 0xa1, 0x3a, 0xe6, 0xae, 0x23, 0xd0, 0xd5, 0xab, 0x71, 0x59, 0x2d, 0x33, 0x51, 0x7e,
0x33, 0x55, 0x7e, 0xf3, 0xfb, 0x54, 0xf9, 0x77, 0x6b, 0x7f, 0x4c, 0x8d, 0x37, 0x7e, 0xfd, 0xdb,
0xd0, 0x68, 0x0a, 0xba, 0x42, 0x44, 0x6a, 0x57, 0x89, 0xc8, 0x2a, 0xac, 0x48, 0xc6, 0xb3, 0x19,
0x38, 0x80, 0xa6, 0x3a, 0xab, 0xce, 0x3f, 0x82, 0xb2, 0x5c, 0xee, 0xa4, 0xf7, 0x37, 0x90, 0x84,
0x04, 0xd5, 0xfe, 0x5d, 0x83, 0x92, 0x1c, 0xa5, 0xa5, 0x2d, 0x9d, 0x6b, 0x5f, 0xe1, 0xd5, 0xb5,
0xcf, 0xf1, 0x7d, 0x76, 0x86, 0x6e, 0xdf, 0xe3, 0xc9, 0x8e, 0xaa, 0xf6, 0xed, 0x24, 0x66, 0xbb,
0x17, 0x51, 0x50, 0x2e, 0x36, 0x8f, 0x48, 0x0b, 0x6a, 0x69, 0xa7, 0x92, 0x66, 0xd3, 0xec, 0x2c,
0x09, 0x5a, 0x58, 0x92, 0x03, 0x68, 0x2e, 0xae, 0x46, 0xa6, 0x05, 0xda, 0xad, 0x54, 0xef, 0x4b,
0x28, 0x53, 0x36, 0x16, 0x48, 0xee, 0x41, 0x55, 0x52, 0xd6, 0xcf, 0x58, 0x82, 0xd9, 0xd4, 0xa8,
0x48, 0x2e, 0xed, 0x2e, 0xad, 0xc8, 0x2b, 0xdb, 0x95, 0x92, 0x14, 0xa0, 0x38, 0x63, 0xe1, 0x49,
0x2a, 0x49, 0xea, 0xd8, 0x7e, 0x0a, 0x64, 0x2f, 0x44, 0x47, 0x60, 0x1c, 0x2d, 0x15, 0x81, 0x97,
0x0c, 0x6a, 0x02, 0xe9, 0xa2, 0x8f, 0x17, 0x82, 0xce, 0xf9, 0x6b, 0x8b, 0xfe, 0x6b, 0xd0, 0x8c,
0x3d, 0x33, 0xb6, 0x28, 0xac, 0xa6, 0x06, 0x45, 0xd7, 0x17, 0x50, 0x09, 0x63, 0x8b, 0xe2, 0xab,
0x93, 0x83, 0xaf, 0x24, 0xbb, 0xc2, 0x6d, 0xff, 0x56, 0x83, 0xda, 0x57, 0xca, 0x83, 0x70, 0xa8,
0xaa, 0x97, 0x80, 0x6c, 0xe5, 0x88, 0xb4, 0xf8, 0xc0, 0xb4, 0xb6, 0x6f, 0x02, 0x51, 0x05, 0xfc,
0x08, 0xcd, 0x05, 0x85, 0x26, 0x1f, 0xe7, 0x08, 0x72, 0x95, 0xa6, 0xb7, 0xd6, 0x2f, 0x6d, 0xf4,
0x63, 0xf9, 0xa1, 0x47, 0x5c, 0x58, 0xbb, 0xa0, 0xe9, 0xe4, 0xd3, 0x1c, 0x39, 0xae, 0x7e, 0x07,
0x96, 0x66, 0xf9, 0x45, 0x83, 0xb5, 0x0b, 0x72, 0x9f, 0x2b, 0xcd, 0xd5, 0x8f, 0x47, 0xeb, 0xb3,
0xdb, 0x40, 0x15, 0xa5, 0x43, 0x28, 0xc9, 0x0f, 0x19, 0x62, 0xe6, 0x88, 0x31, 0xf7, 0xad, 0xd7,
0xb2, 0x72, 0xfb, 0xab, 0x44, 0x23, 0xa8, 0x24, 0xe3, 0x48, 0x36, 0xf3, 0x8e, 0x5d, 0x56, 0xe0,
0xd6, 0x0d, 0x10, 0x2a, 0xdd, 0x73, 0x68, 0xcc, 0xed, 0x24, 0xf9, 0x28, 0xcf, 0xb4, 0x5d, 0xda,
0xe1, 0xa5, 0x0d, 0x7c, 0x0e, 0x8d, 0xb9, 0xe5, 0xcc, 0x15, 0xfd, 0xf2, 0x32, 0x2f, 0x8d, 0x7e,
0x0c, 0xe5, 0xf8, 0x21, 0x20, 0x56, 0x4e, 0xc5, 0xcf, 0x88, 0xda, 0xcc, 0x0f, 0x50, 0x3c, 0x1d,
0x43, 0x39, 0x99, 0x3f, 0x2b, 0xa7, 0x78, 0xde, 0x28, 0xd7, 0xc2, 0xac, 0xed, 0x9a, 0x3f, 0x3c,
0xc8, 0xfd, 0x1f, 0xdd, 0xc3, 0xd3, 0xad, 0xc3, 0x4a, 0xcc, 0xcb, 0x07, 0xff, 0x07, 0x00, 0x00,
0xff, 0xff, 0xdf, 0x73, 0xc4, 0x68, 0x08, 0x0e, 0x00, 0x00,
}
// Reference imports to suppress errors if they are not otherwise used.

1
api/v1/heimdall.proto
View file

@ -25,6 +25,7 @@ message Master {
string id = 1 [(gogoproto.customname) = "ID"];
string grpc_address = 2 [(gogoproto.customname) = "GRPCAddress"];
string redis_url = 3 [(gogoproto.customname) = "RedisURL"];
string gateway_ip = 4 [(gogoproto.customname) = "GatewayIP"];
repeated Peer peers = 5;
}

1
go.mod
View file

@ -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/digineo/go-ping v1.0.0
github.com/dustin/go-humanize v1.0.0
github.com/getsentry/raven-go v0.2.0 // indirect
github.com/gogo/googleapis v1.3.0

16
go.sum
View file

@ -19,9 +19,16 @@ 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/digineo/go-logwrap v0.0.0-20181106161722-a178c58ea3f0 h1:OT/LKmj81wMymnWXaKaKBR9n1vPlu+GC0VVKaZP6kzs=
github.com/digineo/go-logwrap v0.0.0-20181106161722-a178c58ea3f0/go.mod h1:DmqdumeAKGQNU5E8MN0ruT5ZGx8l/WbAsMbXCXcSEts=
github.com/digineo/go-ping v1.0.0 h1:gOuD3YzkIcW/0Y2IAe27bsMKtpfNZdoX1Rnc1RGYOSI=
github.com/digineo/go-ping v1.0.0/go.mod h1:YLDBnHoAygacawa2aubI4vXhZ4do5f62oJSvRiJVEjw=
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/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
github.com/gdamore/tcell v1.1.1/go.mod h1:K1udHkiR3cOtlpKG5tZPD5XxrF7v2y7lDq7Whcj+xkQ=
github.com/getsentry/raven-go v0.2.0 h1:no+xWJRb5ZI7eE8TWgIq1jLulQiIoLG0IfYxv5JYMGs=
github.com/getsentry/raven-go v0.2.0/go.mod h1:KungGk8q33+aIAZUIVWZDr2OfAEBsO49PX4NzFV5kcQ=
github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
@ -61,6 +68,10 @@ github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGi
github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
github.com/lucasb-eyer/go-colorful v0.0.0-20181028223441-12d3b2882a08/go.mod h1:NXg0ArsFk0Y01623LgUqoqcouGDB+PwCCQlrwrG6xJ4=
github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
github.com/mattn/go-runewidth v0.0.4/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
github.com/miekg/dns v1.1.15/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
@ -89,6 +100,7 @@ github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R
github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
github.com/prometheus/procfs v0.0.3 h1:CTwfnzjQ+8dS6MhHHu4YswVAD99sL2wjPqP+VkURmKE=
github.com/prometheus/procfs v0.0.3/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDaekg4FpcdQ=
github.com/rivo/tview v0.0.0-20181226202439-36893a669792/go.mod h1:J4W+hErFfITUbyFAEXizpmkuxX7ZN56dopxHB4XQhMw=
github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
@ -115,6 +127,7 @@ golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnf
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190311183353-d8887717615a h1:oWX7TPOiFAMXLq8o0ikBYfCJVlRHBcsciT5bXOrH628=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190613194153-d28f0bde5980 h1:dfGZHvZk057jK2MCeWus/TowKpJ8y4AmooUzdBSR9GU=
@ -125,6 +138,7 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181228144115-9a3f9b0469bb/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190422165155-953cdadca894 h1:Cz4ceDQGXuKRnVBDTS23GTn/pU5OE2C0WrNTOYK1Uuc=
golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@ -144,9 +158,11 @@ google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoA
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.24.0 h1:vb/1TCsVn3DcJlQ0Gs1yB1pKI6Do2/QNwxdKqmc/b0s=
google.golang.org/grpc v1.24.0/go.mod h1:XDChyiUovWa60DnaeDeZmSW86xtLtjtZbwvSiRnRtcA=
gopkg.in/DATA-DOG/go-sqlmock.v1 v1.3.0/go.mod h1:OdE7CF6DbADk7lN8LIKRzRJTTZXIjtWgA5THM5lhBAw=
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/cheggaaa/pb.v1 v1.0.27/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

2
server/net.go
View file

@ -30,6 +30,7 @@ import (
"github.com/gomodule/redigo/redis"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
type subnetRange struct {
@ -39,6 +40,7 @@ type subnetRange struct {
}
func (s *Server) updateNodeNetwork(ctx context.Context, id string, subnet string) error {
logrus.Debugf("updating node network: id=%s subnet=%s", id, subnet)
if _, err := s.master(ctx, "SET", s.getNodeNetworkKey(id), subnet); err != nil {
return err
}

24
server/node.go
View file

@ -115,12 +115,14 @@ func (s *Server) configureNode() error {
continue
}
// TODO: start tunnel
// start tunnel
if err := s.updatePeerConfig(ctx, r.Node, r.Peers); err != nil {
return err
}
// TODO: wait for tunnel to come up
time.Sleep(time.Second * 20)
// wait for tunnel to come up
if err := s.waitForMaster(ctx, r.Master); err != nil {
return err
}
if err := s.joinMaster(r.Master); err != nil {
c.Close()
@ -128,6 +130,11 @@ func (s *Server) configureNode() error {
continue
}
logrus.Debug("waiting for redis sync")
if err := s.waitForRedisSync(ctx); err != nil {
return err
}
go s.replicaMonitor()
return nil
@ -200,10 +207,12 @@ func (s *Server) replicaMonitor() {
logrus.Error(err)
continue
}
logrus.Debugf("replica monitor: node=%s", n)
if n == nil || n.ID != s.cfg.ID {
logrus.Debugf("waiting for new master to initialize: %s", n.ID)
logrus.Debug("waiting for new master to initialize")
continue
}
logrus.Debugf("replica monitor: configuring node with master %+v", n)
if err := s.configureNode(); err != nil {
logrus.Error(err)
continue
@ -285,11 +294,13 @@ func (s *Server) joinMaster(m *v1.Master) error {
func (s *Server) updateMasterInfo(ctx context.Context) error {
// update master info
if _, err := s.master(ctx, "SET", clusterKey, s.cfg.ClusterKey); err != nil {
logrus.Error("updateMasterInfo.setClusterKey")
return err
}
// build redis url with gateway ip
gatewayIP, _, err := s.getNodeIP(ctx, s.cfg.ID)
if err != nil {
logrus.Error("updateMasterInfo.getNodeIP")
return err
}
u, err := url.Parse(s.cfg.RedisURL)
@ -302,6 +313,7 @@ func (s *Server) updateMasterInfo(ctx context.Context) error {
ID: s.cfg.ID,
GRPCAddress: s.cfg.AdvertiseGRPCAddress,
RedisURL: u.String(),
GatewayIP: gatewayIP.String(),
}
data, err := proto.Marshal(m)
if err != nil {
@ -334,11 +346,11 @@ func (s *Server) updateLocalNodeInfo(ctx context.Context) error {
key := s.getNodeKey(s.cfg.ID)
keyPair, err := s.getOrCreateKeyPair(ctx, s.cfg.ID)
if err != nil {
return err
return errors.Wrapf(err, "error getting keypair for %s", s.cfg.ID)
}
nodeIP, _, err := s.getNodeIP(ctx, s.cfg.ID)
if err != nil {
return err
return errors.Wrapf(err, "error getting node IP for %s", s.cfg.ID)
}
node := &v1.Node{
Updated: time.Now(),

7
server/peer.go
View file

@ -234,15 +234,10 @@ func (s *Server) updatePeerConfig(ctx context.Context, node *v1.Node, peers []*v
nodePeers = append(nodePeers, peer)
}
keyPair, err := s.getOrCreateKeyPair(ctx, node.ID)
if err != nil {
return err
}
//size, _ := gatewayNet.Mask.Size()
wireguardCfg := &wg.Config{
Iface: node.InterfaceName,
PrivateKey: keyPair.PrivateKey,
PrivateKey: node.KeyPair.PrivateKey,
ListenPort: int(node.EndpointPort),
Address: fmt.Sprintf("%s/%d", node.GatewayIP, 16),
Peers: nodePeers,

98
server/server.go
View file

@ -22,15 +22,20 @@
package server
import (
"bufio"
"bytes"
"context"
"fmt"
"io/ioutil"
"net"
"net/url"
"path/filepath"
"runtime"
"runtime/pprof"
"strings"
"time"
ping "github.com/digineo/go-ping"
"github.com/gogo/protobuf/proto"
ptypes "github.com/gogo/protobuf/types"
"github.com/gomodule/redigo/redis"
@ -137,19 +142,27 @@ func (s *Server) Run() error {
return err
}
logrus.Debugf("response: %+v", r)
logrus.Debugf("master info received: %+v", r)
// start tunnel
if err := s.updatePeerConfig(ctx, r.Node, r.Peers); err != nil {
return errors.Wrap(err, "error updating peer config")
}
// TODO: wait for tunnel to come up
time.Sleep(time.Second * 20)
logrus.Debugf("master info received: %+v", r)
// wait for tunnel to come up
if err := s.waitForMaster(ctx, r.Master); err != nil {
return errors.Wrap(err, "error waiting for master")
}
logrus.Debugf("joining master: %s", r.Master.ID)
if err := s.joinMaster(r.Master); err != nil {
return err
}
logrus.Debug("waiting for redis sync")
if err := s.waitForRedisSync(ctx); err != nil {
return err
}
go s.replicaMonitor()
} else {
if err := s.configureNode(); err != nil {
@ -251,6 +264,80 @@ func getPool(redisUrl string) (*redis.Pool, error) {
return pool, nil
}
func (s *Server) waitForMaster(ctx context.Context, m *v1.Master) error {
p, err := ping.New("0.0.0.0", "")
if err != nil {
return err
}
defer p.Close()
doneCh := make(chan time.Duration)
errCh := make(chan error)
go func() {
for {
ip, err := net.ResolveIPAddr("ip4", m.GatewayIP)
if err != nil {
errCh <- err
return
}
rtt, err := p.Ping(ip, time.Second*30)
if err != nil {
errCh <- err
}
doneCh <- rtt
}
}()
select {
case rtt := <-doneCh:
logrus.Debugf("rtt master ping: %s", rtt)
return nil
case err := <-errCh:
return err
}
return nil
}
func (s *Server) waitForRedisSync(ctx context.Context) error {
doneCh := make(chan bool)
errCh := make(chan error)
go func() {
for {
info, err := redis.String(s.local(ctx, "INFO", "REPLICATION"))
if err != nil {
logrus.Warn(err)
continue
}
b := bytes.NewBufferString(info)
s := bufio.NewScanner(b)
for s.Scan() {
v := s.Text()
parts := strings.SplitN(v, ":", 2)
if parts[0] == "master_link_status" {
if parts[1] == "up" {
doneCh <- true
return
}
}
}
time.Sleep(time.Second * 1)
}
}()
select {
case <-doneCh:
return nil
case err := <-errCh:
return err
case <-time.After(nodeHeartbeatInterval):
return fmt.Errorf("timeout waiting on sync")
}
}
func (s *Server) ensureNetworkSubnet(ctx context.Context, id string) error {
network, err := redis.String(s.local(ctx, "GET", s.getNodeNetworkKey(id)))
if err != nil {
@ -267,6 +354,7 @@ func (s *Server) ensureNetworkSubnet(ctx context.Context, id string) error {
if err != nil {
return err
}
logrus.Debugf("node networks: %s", nodeNetworkKeys)
lookup := map[string]struct{}{}
for _, netKey := range nodeNetworkKeys {
n, err := redis.String(s.local(ctx, "GET", netKey))
@ -276,6 +364,8 @@ func (s *Server) ensureNetworkSubnet(ctx context.Context, id string) error {
lookup[n] = struct{}{}
}
logrus.Debugf("lookup: %+v", lookup)
subnet := r.Subnet
size, _ := subnet.Mask.Size()