feat: add basic service discovery

.vscode/launch.json

@@ -4,6 +4,13 @@
     // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
+        {
+            "name": "Launch Package",
+            "type": "go",
+            "request": "launch",
+            "mode": "auto",
+            "program": "${fileDirname}"
+        },
         {
             "name": "Launch file",
             "type": "go",

go.mod

@@ -10,20 +10,55 @@ require (
 
 require (
 	github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible // indirect
+	github.com/Masterminds/goutils v1.1.1 // indirect
+	github.com/Masterminds/semver/v3 v3.2.1 // indirect
+	github.com/Masterminds/sprig/v3 v3.2.3 // indirect
+	github.com/armon/circbuf v0.0.0-20190214190532-5111143e8da2 // indirect
+	github.com/armon/go-metrics v0.4.1 // indirect
+	github.com/armon/go-radix v1.0.0 // indirect
+	github.com/bgentry/speakeasy v0.1.0 // indirect
 	github.com/casbin/casbin/v2 v2.77.2 // indirect
 	github.com/cloudflare/cfssl v1.6.4 // indirect
+	github.com/fatih/color v1.15.0 // indirect
 	github.com/go-logr/logr v1.2.0 // indirect
 	github.com/go-sql-driver/mysql v1.6.0 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/btree v1.1.2 // indirect
 	github.com/google/certificate-transparency-go v1.1.4 // indirect
+	github.com/google/uuid v1.3.1 // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.4.0 // indirect
+	github.com/hashicorp/errwrap v1.1.0 // indirect
+	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
+	github.com/hashicorp/go-msgpack v0.5.5 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/hashicorp/go-sockaddr v1.0.5 // indirect
+	github.com/hashicorp/go-syslog v1.0.0 // indirect
+	github.com/hashicorp/golang-lru v1.0.2 // indirect
+	github.com/hashicorp/logutils v1.0.0 // indirect
+	github.com/hashicorp/mdns v1.0.5 // indirect
+	github.com/hashicorp/memberlist v0.5.0 // indirect
+	github.com/hashicorp/serf v0.10.1 // indirect
+	github.com/huandu/xstrings v1.4.0 // indirect
+	github.com/imdario/mergo v0.3.16 // indirect
 	github.com/jmhodges/clock v1.2.0 // indirect
 	github.com/jmoiron/sqlx v1.3.3 // indirect
 	github.com/kisielk/sqlstruct v0.0.0-20201105191214-5f3e10d3ab46 // indirect
 	github.com/kr/text v0.2.0 // indirect
 	github.com/lib/pq v1.10.1 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
 	github.com/mattn/go-sqlite3 v1.14.15 // indirect
+	github.com/miekg/dns v1.1.56 // indirect
+	github.com/mitchellh/cli v1.1.5 // indirect
+	github.com/mitchellh/copystructure v1.2.0 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/mitchellh/reflectwalk v1.0.2 // indirect
+	github.com/posener/complete v1.2.3 // indirect
+	github.com/ryanuber/columnize v2.1.2+incompatible // indirect
+	github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 // indirect
+	github.com/shopspring/decimal v1.3.1 // indirect
+	github.com/spf13/cast v1.5.1 // indirect
 	github.com/tidwall/gjson v1.14.4 // indirect
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.0 // indirect
@@ -33,10 +68,12 @@ require (
 	go.opencensus.io v0.24.0 // indirect
 	go.uber.org/multierr v1.10.0 // indirect
 	go.uber.org/zap v1.26.0 // indirect
-	golang.org/x/crypto v0.3.0 // indirect
-	golang.org/x/net v0.9.0 // indirect
-	golang.org/x/sys v0.7.0 // indirect
-	golang.org/x/text v0.9.0 // indirect
+	golang.org/x/crypto v0.14.0 // indirect
+	golang.org/x/mod v0.13.0 // indirect
+	golang.org/x/net v0.17.0 // indirect
+	golang.org/x/sys v0.13.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
+	golang.org/x/tools v0.14.0 // indirect
 	k8s.io/klog/v2 v2.80.1 // indirect
 )