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Remove ETCd database and secret store
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These are unused now that we're using the simpler in-memory components for testing. Removing these simplifies the code and reduces our binary size by removing a chunky dependency.

For reviewers, the ETCd support being removed is NOT what users use today. That's the 'apiserver' database and the 'kubernetes' secret store. There is no change in behavior in this PR, we're removing something unused.

We're planning to use PostgreSQL for production-quality support in Radius, so we have no plans to use ETCd going forward.

Signed-off-by: Ryan Nowak <[email protected]>
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rynowak committed Dec 19, 2024
1 parent 8632b60 commit 4afc7a2
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Showing 19 changed files with 2 additions and 1,410 deletions.
16 changes: 0 additions & 16 deletions cmd/applications-rp/cmd/root.go
Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,6 @@ import (

"github.com/go-logr/logr"
"github.com/spf13/cobra"
etcdclient "go.etcd.io/etcd/client/v3"
runtimelog "sigs.k8s.io/controller-runtime/pkg/log"

"github.com/radius-project/radius/pkg/armrpc/builder"
Expand All @@ -33,8 +32,6 @@ import (
"github.com/radius-project/radius/pkg/server"
"github.com/radius-project/radius/pkg/trace"

"github.com/radius-project/radius/pkg/components/database/databaseprovider"
"github.com/radius-project/radius/pkg/ucp/data"
"github.com/radius-project/radius/pkg/ucp/hosting"
"github.com/radius-project/radius/pkg/ucp/ucplog"

Expand Down Expand Up @@ -79,19 +76,6 @@ var rootCmd = &cobra.Command{
// Must set the logger before using controller-runtime.
runtimelog.SetLogger(logger)

if options.Config.DatabaseProvider.Provider == databaseprovider.TypeETCD &&
options.Config.DatabaseProvider.ETCD.InMemory {
// For in-memory etcd we need to register another service to manage its lifecycle.
//
// The client will be initialized asynchronously.
logger.Info("Enabled in-memory etcd")
client := hosting.NewAsyncValue[etcdclient.Client]()
options.Config.DatabaseProvider.ETCD.Client = client
options.Config.SecretProvider.ETCD.Client = client

hostingSvc = append(hostingSvc, data.NewEmbeddedETCDService(data.EmbeddedETCDServiceOptions{ClientConfigSink: client}))
}

builders, err := builders(options)
if err != nil {
return err
Expand Down
12 changes: 0 additions & 12 deletions cmd/ucpd/cmd/root.go
Original file line number Diff line number Diff line change
Expand Up @@ -23,11 +23,9 @@ import (

"github.com/go-logr/logr"
"github.com/spf13/cobra"
etcdclient "go.etcd.io/etcd/client/v3"
runtimelog "sigs.k8s.io/controller-runtime/pkg/log"

"github.com/radius-project/radius/pkg/armrpc/hostoptions"
"github.com/radius-project/radius/pkg/components/database/databaseprovider"
"github.com/radius-project/radius/pkg/ucp"
"github.com/radius-project/radius/pkg/ucp/hosting"
"github.com/radius-project/radius/pkg/ucp/server"
Expand Down Expand Up @@ -65,16 +63,6 @@ var rootCmd = &cobra.Command{
// Must set the logger before using controller-runtime.
runtimelog.SetLogger(logger)

if options.Config.Database.Provider == databaseprovider.TypeETCD &&
options.Config.Database.ETCD.InMemory {
// For in-memory etcd we need to register another service to manage its lifecycle.
//
// The client will be initialized asynchronously.
clientconfigSource := hosting.NewAsyncValue[etcdclient.Client]()
options.Config.Database.ETCD.Client = clientconfigSource
options.Config.Secrets.ETCD.Client = clientconfigSource
}

host, err := server.NewServer(options)
if err != nil {
return err
Expand Down
25 changes: 0 additions & 25 deletions go.mod
Original file line number Diff line number Diff line change
Expand Up @@ -67,8 +67,6 @@ require (
github.com/stern/stern v1.31.0
github.com/stretchr/testify v1.10.0
github.com/wI2L/jsondiff v0.6.1
go.etcd.io/etcd/client/v3 v3.5.17
go.etcd.io/etcd/server/v3 v3.5.17
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.58.0
go.opentelemetry.io/contrib/instrumentation/runtime v0.58.0
go.opentelemetry.io/otel v1.33.0
Expand Down Expand Up @@ -185,13 +183,10 @@ require (
github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
github.com/aymanbagabas/go-udiff v0.2.0 // indirect
github.com/beorn7/perks v1.0.1 // indirect
github.com/cenkalti/backoff/v4 v4.3.0 // indirect
github.com/cespare/xxhash/v2 v2.3.0 // indirect
github.com/chai2010/gettext-go v1.0.3 // indirect
github.com/cloudflare/circl v1.3.9 // indirect
github.com/containerd/containerd v1.7.24
github.com/coreos/go-semver v0.3.1 // indirect
github.com/coreos/go-systemd/v22 v22.5.0 // indirect
github.com/cpuguy83/go-md2man/v2 v2.0.4 // indirect
github.com/cyphar/filepath-securejoin v0.3.4 // indirect
github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc
Expand All @@ -201,7 +196,6 @@ require (
github.com/docker/docker-credential-helpers v0.8.2 // indirect
github.com/docker/go-connections v0.5.0 // indirect
github.com/docker/go-metrics v0.0.1 // indirect
github.com/dustin/go-humanize v1.0.1 // indirect
github.com/emicklei/go-restful/v3 v3.12.1 // indirect
github.com/evanphx/json-patch v5.9.0+incompatible // indirect
github.com/evanphx/json-patch/v5 v5.9.0 // indirect
Expand All @@ -218,7 +212,6 @@ require (
github.com/go-openapi/validate v0.24.0 // indirect
github.com/gobwas/glob v0.2.3 // indirect
github.com/gogo/protobuf v1.3.2 // indirect
github.com/golang-jwt/jwt/v4 v4.5.1 // indirect
github.com/golang/protobuf v1.5.4 // indirect
github.com/google/btree v1.1.3 // indirect
github.com/google/gofuzz v1.2.0 // indirect
Expand All @@ -227,10 +220,6 @@ require (
github.com/gorilla/websocket v1.5.3 // indirect
github.com/gosuri/uitable v0.0.4 // indirect
github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79 // 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 v2.20.0 // indirect
github.com/hashicorp/errwrap v1.1.0 // indirect
github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
github.com/hashicorp/go-getter v1.7.6
Expand All @@ -243,7 +232,6 @@ require (
github.com/inconshreveable/mousetrap v1.1.0 // indirect
github.com/jmespath/go-jmespath v0.4.0 // indirect
github.com/jmoiron/sqlx v1.4.0 // indirect
github.com/jonboulle/clockwork v0.4.0 // indirect
github.com/josharian/intern v1.0.0 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/klauspost/compress v1.17.10 // indirect
Expand Down Expand Up @@ -288,27 +276,15 @@ require (
github.com/sahilm/fuzzy v0.1.1 // indirect
github.com/shopspring/decimal v1.4.0 // indirect
github.com/sirupsen/logrus v1.9.3 // indirect
github.com/soheilhy/cmux v0.1.5 // indirect
github.com/spf13/afero v1.11.0 // indirect
github.com/spf13/cast v1.7.0 // indirect
github.com/subosito/gotenv v1.6.0 // indirect
github.com/tmc/grpc-websocket-proxy v0.0.0-20220101234140-673ab2c3ae75 // indirect
github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
github.com/xeipuuv/gojsonschema v1.2.0 // indirect
github.com/xiang90/probing v0.0.0-20221125231312-a49e3df8f510 // indirect
github.com/xlab/treeprint v1.2.0 // indirect
github.com/zclconf/go-cty v1.15.1 // indirect
go.etcd.io/bbolt v1.3.11 // indirect
go.etcd.io/etcd/api/v3 v3.5.17 // indirect
go.etcd.io/etcd/client/pkg/v3 v3.5.17 // indirect
go.etcd.io/etcd/client/v2 v2.305.17 // indirect
go.etcd.io/etcd/pkg/v3 v3.5.17 // indirect
go.etcd.io/etcd/raft/v3 v3.5.17 // indirect
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.53.0 // indirect
go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.28.0 // indirect
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.27.0 // indirect
go.opentelemetry.io/proto/otlp v1.3.1 // indirect
go.uber.org/multierr v1.11.0 // indirect
golang.org/x/crypto v0.31.0 // indirect
golang.org/x/exp v0.0.0-20240909161429-701f63a606c0
Expand All @@ -325,7 +301,6 @@ require (
google.golang.org/protobuf v1.35.2 // indirect
gopkg.in/inf.v0 v0.9.1 // indirect
gopkg.in/ini.v1 v1.67.0 // indirect
gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
k8s.io/apiserver v0.32.0 // indirect
k8s.io/component-base v0.32.0 // indirect
k8s.io/klog/v2 v2.130.1 // indirect
Expand Down
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