Replace boltdb with fast-store

dkron/agent.go

@@ -22,10 +22,10 @@ import (
 	"github.com/hashicorp/go-uuid"
 	"github.com/hashicorp/memberlist"
 	"github.com/hashicorp/raft"
-	raftboltdb "github.com/hashicorp/raft-boltdb"
 	"github.com/hashicorp/serf/serf"
 	"github.com/sirupsen/logrus"
 	"github.com/soheilhy/cmux"
+	raftfastlog "github.com/tidwall/raft-fastlog"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
 )
@@ -93,7 +93,7 @@ type Agent struct {
 	// raftLayer provides network layering of the raft RPC along with
 	// the Dkron gRPC transport layer.
 	raftLayer     *RaftLayer
-	raftStore     *raftboltdb.BoltStore
+	raftStore     *raftfastlog.FastLogStore
 	raftInmem     *raft.InmemStore
 	raftTransport *raft.NetworkTransport
 
@@ -311,8 +311,8 @@ func (a *Agent) setupRaft() error {
 			return fmt.Errorf("file snapshot store: %s", err)
 		}
 
-		// Create the BoltDB backend
-		s, err := raftboltdb.NewBoltStore(filepath.Join(a.config.DataDir, "raft", "raft.db"))
+		// Create the Raft store
+		s, err := raftfastlog.NewFastLogStore(filepath.Join(a.config.DataDir, "raft", "raft.db"), raftfastlog.Level(a.config.RaftDuration), a.logger.Writer())
 		if err != nil {
 			return fmt.Errorf("error creating new raft store: %s", err)
 		}

dkron/config.go

@@ -116,6 +116,10 @@ type Config struct {
 	// Raft timing parameters.
 	RaftMultiplier int `mapstructure:"raft-multiplier"`
 
+	// RaftDuration An integer indicating the desired duration of the raft log (-1 Low, 0 Mid, 1 High)
+	// Low no writes at all, Mid (default) fsync every second, High fsync on every change.
+	RaftDuration int `mapstructure:"raft-duration"`
+
 	// MailHost is the SMTP server host to use for email notifications.
 	MailHost string `mapstructure:"mail-host"`
 
@@ -222,6 +226,7 @@ func ConfigFlagSet() *flag.FlagSet {
 	cmdFlags.Int("retry-max", 0, "Maximum number of join attempts. Defaults to 0, which will retry indefinitely.")
 	cmdFlags.String("retry-interval", DefaultRetryInterval.String(), "Time to wait between join attempts.")
 	cmdFlags.Int("raft-multiplier", c.RaftMultiplier, "An integer multiplier used by servers to scale key Raft timing parameters. Omitting this value or setting it to 0 uses default timing described below. Lower values are used to tighten timing and increase sensitivity while higher values relax timings and reduce sensitivity. Tuning this affects the time it takes to detect leader failures and to perform leader elections, at the expense of requiring more network and CPU resources for better performance. By default, Dkron will use a lower-performance timing that's suitable for minimal Dkron servers, currently equivalent to setting this to a value of 5 (this default may be changed in future versions of Dkron, depending if the target minimum server profile changes). Setting this to a value of 1 will configure Raft to its highest-performance mode is recommended for production Dkron servers. The maximum allowed value is 10.")
+	cmdFlags.Int("raft-duration", c.RaftDuration, "RaftDuration An integer indicating the desired duration of the raft log (-1 Low, 0 Mid, 1 High) Low no writes at all, Mid (default) fsync every second, High fsync on every change.")
 	cmdFlags.StringSlice("tag", []string{}, "Tag can be specified multiple times to attach multiple key/value tag pairs to the given node, specified as key=value")
 	cmdFlags.String("encrypt", "", "Key for encrypting network traffic. Must be a base64-encoded 16-byte key")
 	cmdFlags.String("log-level", c.LogLevel, "Log level (debug|info|warn|error|fatal|panic)")

go.mod

@@ -5,20 +5,22 @@ require (
 	github.com/DataDog/datadog-go v4.0.0+incompatible // indirect
 	github.com/Shopify/sarama v1.28.0
 	github.com/armon/circbuf v0.0.0-20190214190532-5111143e8da2
-	github.com/armon/go-metrics v0.3.6
+	github.com/armon/go-metrics v0.3.8
 	github.com/aws/aws-sdk-go v1.36.31 // indirect
 	github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869 // indirect
 	github.com/catalinc/hashcash v0.0.0-20161205220751-e6bc29ff4de9 // indirect
 	github.com/devopsfaith/krakend-usage v0.0.0-20210223224348-1ff8aabbd5bb
+	github.com/fatih/color v1.12.0 // indirect
 	github.com/fluent/fluent-logger-golang v1.6.0
 	github.com/gin-contrib/cors v1.3.1
 	github.com/gin-contrib/expvar v0.0.1
 	github.com/gin-contrib/multitemplate v0.0.0-20200226145339-3e397ee01bc6
 	github.com/gin-gonic/gin v1.7.1
 	github.com/golang/protobuf v1.5.0
 	github.com/hashicorp/go-discover v0.0.0-20201029210230-738cb3105cd0
-	github.com/hashicorp/go-hclog v0.16.0
+	github.com/hashicorp/go-hclog v0.16.1
 	github.com/hashicorp/go-immutable-radix v1.3.0 // indirect
+	github.com/hashicorp/go-msgpack v1.1.5 // indirect
 	github.com/hashicorp/go-plugin v1.4.1
 	github.com/hashicorp/go-sockaddr v1.0.2
 	github.com/hashicorp/go-syslog v1.0.0
@@ -32,6 +34,7 @@ require (
 	github.com/hashicorp/yamux v0.0.0-20190923154419-df201c70410d // indirect
 	github.com/jordan-wright/email v0.0.0-20180115032944-94ae17dedda2
 	github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0
+	github.com/mattn/go-isatty v0.0.13 // indirect
 	github.com/mattn/go-shellwords v1.0.11
 	github.com/mitchellh/go-testing-interface v1.14.1 // indirect
 	github.com/nats-io/nats.go v1.10.0
@@ -47,8 +50,11 @@ require (
 	github.com/streadway/amqp v1.0.0
 	github.com/stretchr/testify v1.7.0
 	github.com/tidwall/buntdb v1.2.0
+	github.com/tidwall/raft-fastlog v0.1.0 // indirect
+	github.com/tidwall/raft-wal v0.1.5 // indirect
 	github.com/tinylib/msgp v1.1.2 // indirect
 	golang.org/x/net v0.0.0-20210119194325-5f4716e94777
+	golang.org/x/sys v0.0.0-20210603125802-9665404d3644 // indirect
 	google.golang.org/api v0.35.0 // indirect
 	google.golang.org/grpc v1.37.0
 	google.golang.org/protobuf v1.26.0

go.sum

@@ -100,6 +100,8 @@ github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmV
 github.com/armon/go-metrics v0.0.0-20190430140413-ec5e00d3c878/go.mod h1:3AMJUQhVx52RsWOnlkpikZr01T/yAVN2gn0861vByNg=
 github.com/armon/go-metrics v0.3.6 h1:x/tmtOF9cDBoXH7XoAGOz2qqm1DknFD1590XmD/DUJ8=
 github.com/armon/go-metrics v0.3.6/go.mod h1:4O98XIr/9W0sxpJ8UaYkvjk10Iff7SnFrb4QAOwNTFc=
+github.com/armon/go-metrics v0.3.8 h1:oOxq3KPj0WhCuy50EhzwiyMyG2ovRQZpZLXQuOh2a/M=
+github.com/armon/go-metrics v0.3.8/go.mod h1:4O98XIr/9W0sxpJ8UaYkvjk10Iff7SnFrb4QAOwNTFc=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
 github.com/armon/go-radix v1.0.0/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
 github.com/aryann/difflib v0.0.0-20170710044230-e206f873d14a/go.mod h1:DAHtR1m6lCRdSC2Tm3DSWRPvIPr6xNKyeHdqDQSQT+A=
@@ -190,6 +192,8 @@ github.com/evanphx/json-patch v4.2.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLi
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fatih/color v1.9.0 h1:8xPHl4/q1VyqGIPif1F+1V3Y3lSmrq01EabUW3CoW5s=
 github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL+zU=
+github.com/fatih/color v1.12.0 h1:mRhaKNwANqRgUBGKmnI5ZxEk7QXmjQeCcuYFMX2bfcc=
+github.com/fatih/color v1.12.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM=
 github.com/fluent/fluent-logger-golang v1.6.0 h1:+qa/wegzTRYPWF+n/Qt9E4QsriF2MTIOVmzfXJ3uMVs=
 github.com/fluent/fluent-logger-golang v1.6.0/go.mod h1:2/HCT/jTy78yGyeNGQLGQsjF3zzzAuy6Xlk6FCMV5eU=
 github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8vw=
@@ -351,12 +355,16 @@ github.com/hashicorp/go-hclog v0.9.1/go.mod h1:5CU+agLiy3J7N7QjHK5d05KxGsuXiQLrj
 github.com/hashicorp/go-hclog v0.14.1/go.mod h1:whpDNt7SSdeAju8AWKIWsul05p54N/39EeqMAyrmvFQ=
 github.com/hashicorp/go-hclog v0.16.0 h1:uCeOEwSWGMwhJUdpUjk+1cVKIEfGu2/1nFXukimi2MU=
 github.com/hashicorp/go-hclog v0.16.0/go.mod h1:whpDNt7SSdeAju8AWKIWsul05p54N/39EeqMAyrmvFQ=
+github.com/hashicorp/go-hclog v0.16.1 h1:IVQwpTGNRRIHafnTs2dQLIk4ENtneRIEEJWOVDqz99o=
+github.com/hashicorp/go-hclog v0.16.1/go.mod h1:whpDNt7SSdeAju8AWKIWsul05p54N/39EeqMAyrmvFQ=
 github.com/hashicorp/go-immutable-radix v1.0.0/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60=
 github.com/hashicorp/go-immutable-radix v1.3.0 h1:8exGP7ego3OmkfksihtSouGMZ+hQrhxx+FVELeXpVPE=
 github.com/hashicorp/go-immutable-radix v1.3.0/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60=
 github.com/hashicorp/go-msgpack v0.5.3/go.mod h1:ahLV/dePpqEmjfWmKiqvPkv/twdG7iPBM1vqhUKIvfM=
 github.com/hashicorp/go-msgpack v0.5.5 h1:i9R9JSrqIz0QVLz3sz+i3YJdT7TTSLcfLLzJi9aZTuI=
 github.com/hashicorp/go-msgpack v0.5.5/go.mod h1:ahLV/dePpqEmjfWmKiqvPkv/twdG7iPBM1vqhUKIvfM=
+github.com/hashicorp/go-msgpack v1.1.5 h1:9byZdVjKTe5mce63pRVNP1L7UAmdHOTEMGehn6KvJWs=
+github.com/hashicorp/go-msgpack v1.1.5/go.mod h1:gWVc3sv/wbDmR3rQsj1CAktEZzoz1YNK9NfGLXJ69/4=
 github.com/hashicorp/go-multierror v1.0.0/go.mod h1:dHtQlpGsu+cZNNAkkCN/P3hoUDHhCYQXV3UM06sGGrk=
 github.com/hashicorp/go-multierror v1.1.0 h1:B9UzwGQJehnUY1yNrnwREHc3fGbC2xefo8g4TbElacI=
 github.com/hashicorp/go-multierror v1.1.0/go.mod h1:spPvp8C1qA32ftKqdAHm4hHTbPw+vmowP0z+KUhOZdA=
@@ -391,8 +399,10 @@ github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2p
 github.com/hashicorp/memberlist v0.2.2 h1:5+RffWKwqJ71YPu9mWsF7ZOscZmwfasdA8kbdC7AO2g=
 github.com/hashicorp/memberlist v0.2.2/go.mod h1:MS2lj3INKhZjWNqd3N0m3J+Jxf3DAOnAH9VT3Sh9MUE=
 github.com/hashicorp/raft v1.1.0/go.mod h1:4Ak7FSPnuvmb0GV6vgIAJ4vYT4bek9bb6Q+7HVbyzqM=
+github.com/hashicorp/raft v1.1.2/go.mod h1:vPAJM8Asw6u8LxC3eJCUZmRP/E4QmUGE1R7g7k8sG/8=
 github.com/hashicorp/raft v1.3.1 h1:zDT8ke8y2aP4wf9zPTB2uSIeavJ3Hx/ceY4jxI2JxuY=
 github.com/hashicorp/raft v1.3.1/go.mod h1:4Ak7FSPnuvmb0GV6vgIAJ4vYT4bek9bb6Q+7HVbyzqM=
+github.com/hashicorp/raft-boltdb v0.0.0-20171010151810-6e5ba93211ea/go.mod h1:pNv7Wc3ycL6F5oOWn+tPGo2gWD4a5X+yp/ntwdKLjRk=
 github.com/hashicorp/raft-boltdb v0.0.0-20191021154308-4207f1bf0617 h1:CJDRE/2tBNFOrcoexD2nvTRbQEox3FDxl4NxIezp1b8=
 github.com/hashicorp/raft-boltdb v0.0.0-20191021154308-4207f1bf0617/go.mod h1:aUF6HQr8+t3FC/ZHAC+pZreUBhTaxumuu3L+d37uRxk=
 github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
@@ -484,6 +494,8 @@ github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaO
 github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
 github.com/mattn/go-colorable v0.1.6 h1:6Su7aK7lXmJ/U79bYtBjLNaha4Fs1Rg9plHpcH+vvnE=
 github.com/mattn/go-colorable v0.1.6/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
+github.com/mattn/go-colorable v0.1.8 h1:c1ghPdyEDarC70ftn0y+A/Ee++9zz8ljHG1b13eJ0s8=
+github.com/mattn/go-colorable v0.1.8/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
 github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/mattn/go-isatty v0.0.7/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
@@ -493,6 +505,8 @@ github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcME
 github.com/mattn/go-isatty v0.0.11/go.mod h1:PhnuNfih5lzO57/f3n+odYbM4JtupLOxQOAqxQCu2WE=
 github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
+github.com/mattn/go-isatty v0.0.13 h1:qdl+GuBjcsKKDco5BsxPJlId98mSWNKqYA+Co0SC1yA=
+github.com/mattn/go-isatty v0.0.13/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
 github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
 github.com/mattn/go-shellwords v1.0.11 h1:vCoR9VPpsk/TZFW2JwK5I9S0xdrtUq2bph6/YjEPnaw=
 github.com/mattn/go-shellwords v1.0.11/go.mod h1:EZzvwXDESEeg03EKmM+RmDnNOPKG4lLtQsUlTZDWQ8Y=
@@ -704,19 +718,29 @@ github.com/tidwall/btree v0.3.0 h1:LcwmLI5kv+AaH/xnBgOuKfbu5eLBWVdWTpD2o+qSRdU=
 github.com/tidwall/btree v0.3.0/go.mod h1:huei1BkDWJ3/sLXmO+bsCNELL+Bp2Kks9OLyQFkzvA8=
 github.com/tidwall/buntdb v1.2.0 h1:8KOzf5Gg97DoCMSOgcwZjnM0FfROtq0fcZkPW54oGKU=
 github.com/tidwall/buntdb v1.2.0/go.mod h1:XLza/dhlwzO6dc5o/KWor4kfZSt3BP8QV+77ZMKfI58=
+github.com/tidwall/gjson v1.6.1/go.mod h1:BaHyNc5bjzYkPqgLq7mdVzeiRtULKULXLgZFKsxEHI0=
 github.com/tidwall/gjson v1.6.7/go.mod h1:zeFuBCIqD4sN/gmqBzZ4j7Jd6UcA2Fc56x7QFsv+8fI=
 github.com/tidwall/gjson v1.6.8 h1:CTmXMClGYPAmln7652e69B7OLXfTi5ABcPPwjIWUv7w=
 github.com/tidwall/gjson v1.6.8/go.mod h1:zeFuBCIqD4sN/gmqBzZ4j7Jd6UcA2Fc56x7QFsv+8fI=
 github.com/tidwall/grect v0.1.0 h1:ICcKWD5uu5A5fmxApGIa0QRvfGnSWKRd07POT08CQSA=
 github.com/tidwall/grect v0.1.0/go.mod h1:sa5O42oP6jWfTShL9ka6Sgmg3TgIK649veZe05B7+J8=
+github.com/tidwall/match v1.0.1/go.mod h1:LujAq0jyVjBy028G1WhWfIzbpQfMO8bBZ6Tyb0+pL9E=
 github.com/tidwall/match v1.0.3 h1:FQUVvBImDutD8wJLN6c5eMzWtjgONK9MwIBCOrUJKeE=
 github.com/tidwall/match v1.0.3/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
 github.com/tidwall/pretty v1.0.2 h1:Z7S3cePv9Jwm1KwS0513MRaoUe3S01WPbLNV40pwWZU=
 github.com/tidwall/pretty v1.0.2/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
+github.com/tidwall/raft-fastlog v0.1.0 h1:/34Zt+JCn8niWNtxaK7jYZIA0GjM5vOYbxBi243Ri8s=
+github.com/tidwall/raft-fastlog v0.1.0/go.mod h1:KNwBhka/a5Ucw5bfEzKHTEKuCO2Do1tKs+kDdu3Sbb4=
+github.com/tidwall/raft-wal v0.1.5 h1:ENv8lLXT+Qd6Kruaes2UrKyDi7ukYfEzijZsJ6I2X54=
+github.com/tidwall/raft-wal v0.1.5/go.mod h1:Qgj5etRF+p/3Dnw/7TTVe2C5klD2kltbokISfQrpd5w=
 github.com/tidwall/rtred v0.1.2 h1:exmoQtOLvDoO8ud++6LwVsAMTu0KPzLTUrMln8u1yu8=
 github.com/tidwall/rtred v0.1.2/go.mod h1:hd69WNXQ5RP9vHd7dqekAz+RIdtfBogmglkZSRxCHFQ=
+github.com/tidwall/tinylru v1.0.2 h1:W4mp7iUz4cnVMqAvWy2zbzC35ASv5sqdyyEjoQKKBFg=
+github.com/tidwall/tinylru v1.0.2/go.mod h1:HDVL7TsWeezQ4g44Um84TOVBMFcq7Xa9giqNc805KJ8=
 github.com/tidwall/tinyqueue v0.1.1 h1:SpNEvEggbpyN5DIReaJ2/1ndroY8iyEGxPYxoSaymYE=
 github.com/tidwall/tinyqueue v0.1.1/go.mod h1:O/QNHwrnjqr6IHItYrzoHAKYhBkLI67Q096fQP5zMYw=
+github.com/tidwall/wal v0.1.3 h1:4641ZiOjDT6hAsdIySfPTctQa5fZBs2/TwPF+EZChas=
+github.com/tidwall/wal v0.1.3/go.mod h1:ww7Pd44/KnyETODJPUPKrzLlYjI72GZWlucNKt7pOt0=
 github.com/tinylib/msgp v1.1.2 h1:gWmO7n0Ys2RBEb7GPYB9Ujq8Mk5p2U08lRnmMcGy6BQ=
 github.com/tinylib/msgp v1.1.2/go.mod h1:+d+yLhGm8mzTaHzB+wgMYrodPfmZrzkirds8fDWklFE=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
@@ -879,6 +903,7 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190523142557-0e01d883c5c5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190602015325-4c4f7f33c9ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -916,6 +941,8 @@ golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201214210602-f9fddec55a1e h1:AyodaIpKjppX+cBfTASF2E1US3H2JFBj920Ot3rtDjs=
 golang.org/x/sys v0.0.0-20201214210602-f9fddec55a1e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210603125802-9665404d3644 h1:CA1DEQ4NdKphKeL70tvsWNdT5oFh1lOjihRcEDROi0I=
+golang.org/x/sys v0.0.0-20210603125802-9665404d3644/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
@@ -943,6 +970,7 @@ golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3
 golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20190424220101-1e8e1cfdf96b/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=