Admin Server and configdump endpoint

api/protos/bootstrap/v1/bootstrap.proto

@@ -8,7 +8,7 @@ import "google/protobuf/wrappers.proto";
 import "validate/validate.proto";
 
 
-// [#next-free-field: 6]
+// [#next-free-field: 7]
 message Bootstrap {
     // xds-relay server configuration.
     Server server = 1 [(validate.rules).message.required = true];
@@ -24,6 +24,9 @@ message Bootstrap {
 
     // Metrics sink settings
     MetricsSink metrics_sink = 5 [(validate.rules).message.required = true];
+
+    // Admin server configuration.
+    Admin admin = 6 [(validate.rules).message.required = true];
 }
 
 // [#next-free-field: 2]
@@ -70,6 +73,11 @@ message SocketAddress {
     uint32 port_value = 2 [(validate.rules).uint32 = {lte: 65535}];
 }
 
+// [#next-free-field: 2]
+message Admin {
+    // The TCP address that the admin server will listen on.
+    SocketAddress address = 1 [(validate.rules).message.required = true];
+}
 
 // The type of metrics sink, i.e. statsd, prometheus, etc.
 message MetricsSink {

go.mod

@@ -13,11 +13,12 @@ require (
 	github.com/lyft/protoc-gen-star v0.4.14 // indirect
 	github.com/onsi/ginkgo v1.12.0
 	github.com/onsi/gomega v1.9.0
-	github.com/uber-go/tally v3.3.15+incompatible
 	github.com/spf13/afero v1.2.2 // indirect
 	github.com/spf13/cobra v0.0.6
 	github.com/stretchr/testify v1.4.0
+	github.com/uber-go/tally v3.3.15+incompatible
 	go.uber.org/zap v1.14.0
+	golang.org/x/tools v0.0.0-20200527150044-688b3c5d9fa5 // indirect
 	google.golang.org/grpc v1.27.1
 	google.golang.org/protobuf v1.20.1
 )

go.sum

@@ -1,16 +1,16 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/cactus/go-statsd-client v1.0.1 h1:R58kYEe8CS4Dg7zNgGi8J0nFhYIGaBvIC7SHJ1l08is=
-github.com/cactus/go-statsd-client v3.2.0+incompatible h1:ZJpQV7zHnerDzsEQS1wnI38tpR7wX3QFmL7WzTerEmY=
-github.com/cactus/go-statsd-client/statsd v0.0.0-20200322202804-24fc78943200 h1:2eYrbdmQNneh58YXyXBgvy8RKfAE8U3R6aN32yPmKoQ=
-github.com/cactus/go-statsd-client/statsd v0.0.0-20200322202804-24fc78943200/go.mod h1:l/bIBLeOl9eX+wxJAzxS4TveKRtAqlyDpHjhkfO0MEI=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/cactus/go-statsd-client v1.0.1 h1:R58kYEe8CS4Dg7zNgGi8J0nFhYIGaBvIC7SHJ1l08is=
+github.com/cactus/go-statsd-client v3.2.0+incompatible h1:ZJpQV7zHnerDzsEQS1wnI38tpR7wX3QFmL7WzTerEmY=
+github.com/cactus/go-statsd-client/statsd v0.0.0-20200322202804-24fc78943200 h1:2eYrbdmQNneh58YXyXBgvy8RKfAE8U3R6aN32yPmKoQ=
+github.com/cactus/go-statsd-client/statsd v0.0.0-20200322202804-24fc78943200/go.mod h1:l/bIBLeOl9eX+wxJAzxS4TveKRtAqlyDpHjhkfO0MEI=
 github.com/census-instrumentation/opencensus-proto v0.2.1 h1:glEXhBS5PSLLv4IXzLA5yPRVX4bilULVyxxbrfOtDAk=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
@@ -84,6 +84,7 @@ github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334 h1:VHgatEHNcBFEB7inlalqfNqw65aNkM1lGX2yt3NmbS8=
 github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334/go.mod h1:SK73tn/9oHe+/Y0h39VT4UCxmurVJkR5NA7kMEAOgSE=
+github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
@@ -94,6 +95,7 @@ github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFB
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/lyft/protoc-gen-star v0.4.14 h1:HUkD4H4dYFIgu3Bns/3N6J5GmKHCEGnhYBwNu3fvXgA=
 github.com/lyft/protoc-gen-star v0.4.14/go.mod h1:mE8fbna26u7aEA2QCVvvfBU/ZrPgocG1206xAFPcs94=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
@@ -130,6 +132,7 @@ github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPx
 github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
 github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
+github.com/spf13/afero v1.2.2 h1:5jhuqJyZCZf2JRofRvN/nIFgIWNzPa3/Vz8mYylgbWc=
 github.com/spf13/afero v1.2.2/go.mod h1:9ZxEEn6pIJ8Rxe320qSDBk6AsU0r9pR7Q4OcevTdifk=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
 github.com/spf13/cobra v0.0.6 h1:breEStsVwemnKh2/s6gMvSdMEkwW0sK8vGStnlVBMCs=
@@ -144,33 +147,39 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
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+github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/uber-go/tally v1.1.0 h1:KifNMkZu+1leHFaXYLw+U95j6bBRfosQq/Fp45qOikY=
 github.com/uber-go/tally v3.3.15+incompatible h1:9hLSgNBP28CjIaDmAuRTq9qV+UZY+9PcvAkXO4nNMwg=
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-github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
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+github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
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 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
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 golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
+golang.org/x/mod v0.2.0 h1:KU7oHjnv3XNWfa5COkzUifxZmxp1TyI7ImMXqFxLwvQ=
+golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -182,11 +191,14 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859 h1:R/3boaszxrf1GEUWTVDzSKVwLmSJpwZ1yqXm8j0v2QI=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b h1:0mm1VjtFUOIlE1SbDlwjYaDxZVDP2S5ou6y0gSgXHu8=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
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 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -206,8 +218,13 @@ golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
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+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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@@ -243,4 +260,5 @@ gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=

integration/testdata/bootstrap_configuration_complete_tech_spec.yaml

@@ -8,6 +8,8 @@ logging:
 cache:
   ttl: 60s
   max_entries: 10
+admin:
+  address: {address: "127.0.0.1", port_value: 6070}
 metrics_sink:
   statsd:
     address: {address: "12.34.56.78", port_value: 9012}

integration/testdata/bootstrap_configuration_e2e.yaml

@@ -8,6 +8,8 @@ logging:
 cache:
   ttl: 60s
   max_entries: 10
+admin:
+  address: {address: "127.0.0.1", port_value: 6070}
 metrics_sink:
   statsd:
     address: {address: "12.34.56.78", port_value: 9012}

integration/testdata/bootstrap_configuration_invalid_log_level.yaml

@@ -8,6 +8,8 @@ logging:
 cache:
   ttl: 60s
   max_entries: 10
+admin:
+  address: {address: "127.0.0.1", port_value: 6070}
 metrics_sink:
   statsd:
     address: {address: "12.34.56.78", port_value: 9012}

integration/testdata/bootstrap_configuration_invalid_port_value.yaml

@@ -8,6 +8,8 @@ logging:
 cache:
   ttl: 60s
   max_entries: 10
+admin:
+  address: {address: "127.0.0.1", port_value: 6070}
 metrics_sink:
   statsd:
     address: {address: "12.34.56.78", port_value: 9012}

integration/testdata/bootstrap_configuration_invalid_statsd_port.yaml

@@ -13,3 +13,5 @@ metrics_sink:
     address: { address: "0.0.0.0", port_value: 65536 }
     root_prefix: xdsrelay
     flush_interval: 0.25s
+admin:
+  address: {address: "127.0.0.1", port_value: 6070}

integration/testdata/bootstrap_configuration_missing_address.yaml

@@ -8,6 +8,8 @@ logging:
 cache:
   ttl: 60s
   max_entries: 10
+admin:
+  address: {address: "127.0.0.1", port_value: 6070}
 metrics_sink:
   statsd:
     address: {address: "12.34.56.78", port_value: 9012}

integration/testdata/bootstrap_configuration_missing_flush_interval.yaml

@@ -12,3 +12,5 @@ metrics_sink:
   statsd:
     address: {address: "12.34.56.78", port_value: 9012}
     root_prefix: xdsrelay
+admin:
+  address: {address: "127.0.0.1", port_value: 6070}

integration/testdata/bootstrap_configuration_missing_root_prefix.yaml

@@ -12,3 +12,5 @@ metrics_sink:
   statsd:
     address: {address: "12.34.56.78", port_value: 9012}
     flush_interval: 0.5s
+admin:
+  address: {address: "127.0.0.1", port_value: 6070}

integration/testdata/bootstrap_configuration_missing_statsd_address.yaml

@@ -13,3 +13,5 @@ metrics_sink:
     address: {port_value: 9012}
     root_prefix: xdsrelay
     flush_interval: 0.25s
+admin:
+  address: {address: "127.0.0.1", port_value: 6070}

integration/testdata/bootstrap_configuration_negative_cache_ttl.yaml

@@ -8,6 +8,8 @@ logging:
 cache:
   ttl: -60s
   max_entries: 10
+admin:
+  address: {address: "127.0.0.1", port_value: 6070}
 metrics_sink:
   statsd:
     address: {address: "12.34.56.78", port_value: 9012}

integration/upstream_client_test.go

@@ -152,7 +152,7 @@ func TestClientContextCancellationShouldCloseAllResponseChannels(t *testing.T) {
 	}
 
 	clientCtx, clientCancel := context.WithCancel(context.Background())
-	client, err := upstream.NewClient(
+	client, err := upstream.New(
 		clientCtx,
 		strings.Join([]string{"127.0.0.1", strconv.Itoa(originServerPort)}, ":"),
 		upstream.CallOptions{Timeout: time.Minute},
@@ -207,7 +207,7 @@ func setup(
 	// Start the origin server
 	go gcptest.RunManagementServer(ctx, srv2, srv3, originServerPort)
 
-	client, err := upstream.NewClient(
+	client, err := upstream.New(
 		context.Background(),
 		strings.Join([]string{"127.0.0.1", strconv.Itoa(originServerPort)}, ":"),
 		upstream.CallOptions{Timeout: time.Minute},