Remove usage of embedded etcd dependency (PR #188)

.github/workflows/test.yml

@@ -8,6 +8,14 @@ jobs:
         platform: [ubuntu-latest]
     runs-on: ${{ matrix.platform }}
     name: Go ${{ matrix.go-version }} (${{ matrix.platform }})
+    services:
+      etcd:
+        image: quay.io/coreos/etcd:v3.5.0
+        env:
+          ETCD_LISTEN_CLIENT_URLS: http://0.0.0.0:2379
+          ETCD_ADVERTISE_CLIENT_URLS: http://0.0.0.0:2379
+        ports:
+          - 127.0.0.1:2379:2379
     steps:
     - name: Checkout code
       uses: actions/checkout@v2

go.mod

@@ -6,74 +6,39 @@ require (
 	github.com/lytics/retry v1.2.0
 	github.com/stretchr/testify v1.8.4
 	go.etcd.io/etcd/client/v3 v3.5.7
-	go.etcd.io/etcd/server/v3 v3.5.7
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.44.0
 	google.golang.org/grpc v1.58.0
 	google.golang.org/protobuf v1.31.0
 )
 
 require (
-	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cenkalti/backoff/v4 v4.2.0 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/coreos/go-semver v0.3.1 // indirect
 	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/go-logr/logr v1.2.4 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang-jwt/jwt/v4 v4.5.0 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/btree v1.1.2 // indirect
-	github.com/gorilla/websocket v1.5.0 // indirect
-	github.com/grpc-ecosystem/go-grpc-middleware v1.4.0 // indirect
-	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.15.2 // indirect
-	github.com/jonboulle/clockwork v0.3.0 // indirect
-	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/kr/text v0.2.0 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_golang v1.14.0 // indirect
-	github.com/prometheus/client_model v0.3.0 // indirect
-	github.com/prometheus/common v0.42.0 // indirect
-	github.com/prometheus/procfs v0.9.0 // indirect
-	github.com/sirupsen/logrus v1.9.0 // indirect
-	github.com/soheilhy/cmux v0.1.5 // indirect
-	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/tmc/grpc-websocket-proxy v0.0.0-20220101234140-673ab2c3ae75 // indirect
-	github.com/xiang90/probing v0.0.0-20221125231312-a49e3df8f510 // indirect
-	go.etcd.io/bbolt v1.3.7 // indirect
 	go.etcd.io/etcd/api/v3 v3.5.7 // indirect
 	go.etcd.io/etcd/client/pkg/v3 v3.5.7 // indirect
-	go.etcd.io/etcd/client/v2 v2.305.7 // indirect
-	go.etcd.io/etcd/pkg/v3 v3.5.7 // indirect
-	go.etcd.io/etcd/raft/v3 v3.5.7 // indirect
 	go.opentelemetry.io/otel v1.18.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.14.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.14.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.14.0 // indirect
 	go.opentelemetry.io/otel/metric v1.18.0 // indirect
-	go.opentelemetry.io/otel/sdk v1.14.0 // indirect
 	go.opentelemetry.io/otel/trace v1.18.0 // indirect
-	go.opentelemetry.io/proto/otlp v0.19.0 // indirect
 	go.uber.org/atomic v1.10.0 // indirect
+	go.uber.org/goleak v1.2.1 // indirect
 	go.uber.org/multierr v1.10.0 // indirect
 	go.uber.org/zap v1.24.0 // indirect
-	golang.org/x/crypto v0.13.0 // indirect
 	golang.org/x/net v0.15.0 // indirect
 	golang.org/x/sys v0.12.0 // indirect
 	golang.org/x/text v0.13.0 // indirect
-	golang.org/x/time v0.3.0 // indirect
 	google.golang.org/genproto v0.0.0-20230711160842-782d3b101e98 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20230711160842-782d3b101e98 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 // indirect
-	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	sigs.k8s.io/yaml v1.3.0 // indirect
 )
 
 retract v3.2.4 // contains a very bad bug