[etcd] Upgrade etcd client library to 3.4.3 to fix data race in tests

.buildkite/pipeline.yml

@@ -11,7 +11,7 @@ common: &common
 
 steps:
   - name: "Codegen"
-    command: make clean install-vendor test-all-gen
+    command: make clean install-vendor-m3 test-all-gen
     env:
       CGO_ENABLED: 0
       GIMME_GO_VERSION: 1.12.x
@@ -20,30 +20,30 @@ steps:
           import: github.com/m3db/m3
     <<: *common
   - name: "Unit %n"
-    command: make clean install-vendor test-ci-unit
+    command: make clean install-vendor-m3 test-ci-unit
     parallelism: 4
     plugins:
       docker-compose#v2.5.1:
         run: app
         workdir: /go/src/github.com/m3db/m3
     <<: *common
   - name: "Big Unit %n"
-    command: make clean install-vendor test-ci-big-unit
+    command: make clean install-vendor-m3 test-ci-big-unit
     parallelism: 2
     plugins:
       docker-compose#v2.5.1:
         run: app
         workdir: /go/src/github.com/m3db/m3
     <<: *common
   - name: "Services, Tools, Metalint"
-    command: make clean install-vendor services tools metalint
+    command: make clean install-vendor-m3 services tools metalint
     plugins:
       docker-compose#v2.5.1:
         run: app
         workdir: /go/src/github.com/m3db/m3
     <<: *common
   - name: "Integration (:docker:)"
-    command: make clean install-vendor docker-integration-test
+    command: make clean install-vendor-m3 docker-integration-test
     parallelism: 2
     env:
       CGO_ENABLED: 0
@@ -53,7 +53,7 @@ steps:
           import: github.com/m3db/m3
     <<: *common
   - name: "Prometheus compatibility (:docker:)"
-    command: make clean install-vendor docker-compatibility-test
+    command: make clean install-vendor-m3 docker-compatibility-test
     parallelism: 1
     env:
       CGO_ENABLED: 0
@@ -64,30 +64,30 @@ steps:
     <<: *common
   - name: "Integration (dbnode Recently Read) %n"
     parallelism: 2
-    command: make clean install-vendor test-ci-integration-dbnode cache_policy=recently_read
+    command: make clean install-vendor-m3 test-ci-integration-dbnode cache_policy=recently_read
     plugins:
       docker-compose#v2.5.1:
         run: app
         workdir: /go/src/github.com/m3db/m3
     <<: *common
   - name: "Integration (dbnode LRU) %n"
     parallelism: 2
-    command: make clean install-vendor test-ci-integration-dbnode cache_policy=lru
+    command: make clean install-vendor-m3 test-ci-integration-dbnode cache_policy=lru
     plugins:
       docker-compose#v2.5.1:
         run: app
         workdir: /go/src/github.com/m3db/m3
     <<: *common
   - label: "Integration (collector, aggregator, m3em, cluster, msg, metrics) %n"
     parallelism: 4
-    command: make clean install-vendor test-ci-integration-collector test-ci-integration-aggregator test-ci-integration-m3em test-ci-integration-cluster test-ci-integration-msg test-ci-integration-metrics
+    command: make clean install-vendor-m3 test-ci-integration-collector test-ci-integration-aggregator test-ci-integration-m3em test-ci-integration-cluster test-ci-integration-msg test-ci-integration-metrics
     plugins:
       docker-compose#v2.5.1:
         run: app
         workdir: /go/src/github.com/m3db/m3
     <<: *common
   - name: "Documentation tests"
-    command: make clean install-vendor docs-test
+    command: make clean install-vendor-m3 docs-test
     env:
       CGO_ENABLED: 0
       GIMME_GO_VERSION: 1.12.x
@@ -96,7 +96,7 @@ steps:
           import: github.com/m3db/m3
     <<: *common
   - label: "FOSSA license scan"
-    command: make clean install-vendor fossa
+    command: make clean install-vendor-m3 fossa
     plugins:
       docker-compose#v2.5.1:
         run: app

.fossa.yml

@@ -12,32 +12,42 @@ analyze:
     type: go
     target: github.com/m3db/m3/scripts/lockfile
     path: scripts/lockfile
+    options:
+      # FOSSA finds Go dependencies by first finding all dependencies that a project uses and then comparing them to the lockfile to obtain version numbers.
+      # It appears that one of the dependencies is choosing to manually vendor a dependency, thereby omitting the version from its lockfile.
+      # This results in cryptic FOSSA failures.
+      # The solution for this is to allow this dependency to be discovered without a corresponding version.
+      allow-unresolved: true
   - name: github.com/m3db/m3/scripts/md5
     type: go
     target: github.com/m3db/m3/scripts/md5
     path: scripts/md5
+    options:
+      allow-unresolved: true
   - name: github.com/m3db/m3/src/cmd/services/m3aggregator/main
     type: go
     target: github.com/m3db/m3/src/cmd/services/m3aggregator/main
     path: src/cmd/services/m3aggregator/main
+    options:
+      allow-unresolved: true
   - name: github.com/m3db/m3/src/cmd/services/m3collector/main
     type: go
     target: github.com/m3db/m3/src/cmd/services/m3collector/main
     path: src/cmd/services/m3collector/main
+    options:
+      allow-unresolved: true
   - name: github.com/m3db/m3/src/cmd/services/m3coordinator/main
     type: go
     target: github.com/m3db/m3/src/cmd/services/m3coordinator/main
     path: src/cmd/services/m3coordinator/main
     options:
-      # FOSSA finds Go dependencies by first finding all dependencies that a project uses and then comparing them to the lockfile to obtain version numbers.
-      # It appears that one of the dependencies is choosing to manually vendor a dependency, thereby omitting the version from its lockfile.
-      # This results in cryptic FOSSA failures.
-      # The solution for this is to allow this dependency to be discovered without a corresponding version.
       allow-unresolved: true
   - name: github.com/m3db/m3/src/cmd/services/m3ctl/main
     type: go
     target: github.com/m3db/m3/src/cmd/services/m3ctl/main
     path: src/cmd/services/m3ctl/main
+    options:
+      allow-unresolved: true
   - name: github.com/m3db/m3/src/cmd/services/m3dbnode/main
     type: go
     target: github.com/m3db/m3/src/cmd/services/m3dbnode/main
@@ -48,14 +58,20 @@ analyze:
     type: go
     target: github.com/m3db/m3/src/cmd/services/m3em_agent/main
     path: src/cmd/services/m3em_agent/main
+    options:
+      allow-unresolved: true
   - name: github.com/m3db/m3/src/cmd/services/m3nsch_client/main
     type: go
     target: github.com/m3db/m3/src/cmd/services/m3nsch_client/main
     path: src/cmd/services/m3nsch_client/main
+    options:
+      allow-unresolved: true
   - name: github.com/m3db/m3/src/cmd/services/m3nsch_server/main
     type: go
     target: github.com/m3db/m3/src/cmd/services/m3nsch_server/main
     path: src/cmd/services/m3nsch_server/main
+    options:
+      allow-unresolved: true
   - name: github.com/m3db/m3/src/cmd/services/m3query/main
     type: go
     target: github.com/m3db/m3/src/cmd/services/m3query/main
@@ -66,35 +82,53 @@ analyze:
     type: go
     target: github.com/m3db/m3/src/cmd/services/m3comparator/main
     path: src/cmd/services/m3comparator/main
+    options:
+      allow-unresolved: true
   - name: github.com/m3db/m3/src/cmd/tools/carbon_load/main
     type: go
     target: github.com/m3db/m3/src/cmd/tools/carbon_load/main
     path: src/cmd/tools/carbon_load/main
+    options:
+      allow-unresolved: true
   - name: github.com/m3db/m3/src/cmd/tools/clone_fileset/main
     type: go
     target: github.com/m3db/m3/src/cmd/tools/clone_fileset/main
     path: src/cmd/tools/clone_fileset/main
+    options:
+      allow-unresolved: true
   - name: github.com/m3db/m3/src/cmd/tools/read_data_files/main
     type: go
     target: github.com/m3db/m3/src/cmd/tools/read_data_files/main
     path: src/cmd/tools/read_data_files/main
+    options:
+      allow-unresolved: true
   - name: github.com/m3db/m3/src/cmd/tools/read_ids/main
     type: go
     target: github.com/m3db/m3/src/cmd/tools/read_ids/main
     path: src/cmd/tools/read_ids/main
+    options:
+      allow-unresolved: true
   - name: github.com/m3db/m3/src/cmd/tools/read_index_files/main
     type: go
     target: github.com/m3db/m3/src/cmd/tools/read_index_files/main
     path: src/cmd/tools/read_index_files/main
+    options:
+      allow-unresolved: true
   - name: github.com/m3db/m3/src/cmd/tools/read_index_ids/main
     type: go
     target: github.com/m3db/m3/src/cmd/tools/read_index_ids/main
     path: src/cmd/tools/read_index_ids/main
+    options:
+      allow-unresolved: true
   - name: github.com/m3db/m3/src/cmd/tools/verify_data_files/main
     type: go
     target: github.com/m3db/m3/src/cmd/tools/verify_data_files/main
     path: src/cmd/tools/verify_data_files/main
+    options:
+      allow-unresolved: true
   - name: github.com/m3db/m3/src/cmd/tools/verify_index_files/main
     type: go
     target: github.com/m3db/m3/src/cmd/tools/verify_index_files/main
     path: src/cmd/tools/verify_index_files/main
+    options:
+      allow-unresolved: true

DEVELOPER.md

@@ -35,7 +35,7 @@ Install dependencies:
 ```bash
 cd $working_dir/m3
 
-make install-vendor
+make install-vendor-m3
 ```
 
 If everything is setup correctly you should be able to build `m3dbnode`:

Makefile

@@ -32,6 +32,7 @@ assets_rules_dir     := generated/assets
 thrift_output_dir    := generated/thrift/rpc
 thrift_rules_dir     := generated/thrift
 vendor_prefix        := vendor
+bad_trace_dep        := go.etcd.io/etcd/vendor/golang.org/x/net/trace
 cache_policy         ?= recently_read
 genny_target         ?= genny-all
 
@@ -98,6 +99,24 @@ TOOLS :=               \
 setup:
 	mkdir -p $(BUILD)
 
+.PHONY: install-vendor-m3
+install-vendor-m3:
+	[ -d $(VENDOR) ] || make install-vendor
+
+	# Some deps were causing panics when using GRPC and etcd libraries were used.
+	# See issue: https://github.com/etcd-io/etcd/issues/9357
+	# $ go test -v
+	# panic: /debug/requests is already registered. You may have two independent 
+	# copies of golang.org/x/net/trace in your binary, trying to maintain separate 
+	# state. This may involve a vendored copy of golang.org/x/net/trace.
+	# 
+	# goroutine 1 [running]:
+	# github.com/m3db/m3/vendor/go.etcd.io/etcd/vendor/golang.org/x/net/trace.init.0()
+	#         /Users/r/go/src/github.com/m3db/m3/vendor/go.etcd.io/etcd/vendor/golang.org/x/net/trace/trace.go:123 +0x1cd
+	# exit status 2
+	# FAIL    github.com/m3db/m3/src/query/remote     0.024s
+	([ -d $(VENDOR)/$(bad_trace_dep) ] && rm -rf $(VENDOR)/$(bad_trace_dep)) || (echo "No bad trace dep" > /dev/null)
+
 define SERVICE_RULES
 
 .PHONY: $(SERVICE)
@@ -107,7 +126,7 @@ ifeq ($(SERVICE),m3ctl)
 	make build-ui-ctl-statik-gen
 endif
 	@echo Building $(SERVICE)
-	[ -d $(VENDOR) ] || make install-vendor
+	[ -d $(VENDOR) ] || make install-vendor-m3
 	$(GO_BUILD_COMMON_ENV) go build -ldflags '$(GO_BUILD_LDFLAGS)' -o $(BUILD)/$(SERVICE) ./src/cmd/services/$(SERVICE)/main/.
 
 .PHONY: $(SERVICE)-linux-amd64

docs/m3db/index.md

@@ -23,5 +23,5 @@ The project has also has optimized for the storage and retrieval of float64 valu
 
 [gorilla]: http://www.vldb.org/pvldb/vol8/p1816-teller.pdf
 [cassandra]: http://cassandra.apache.org/
-[etcd]: https://github.com/coreos/etcd
+[etcd]: https://github.com/etcd-io/etcd
 [ubeross]: http://uber.github.io

glide.yaml

@@ -21,8 +21,8 @@ import:
   - package: github.com/cespare/xxhash
     version: 48099fad606eafc26e3a569fad19ff510fff4df6
 
-  - package: github.com/coreos/etcd
-    version: 3.2.28
+  - package: go.etcd.io/etcd
+    version: 3.4.3
 
   - package: github.com/pkg/errors
     version: ^0.8

kube/etcd.yaml

@@ -50,7 +50,7 @@ spec:
     spec:
       containers:
       - name: etcd
-        image: quay.io/coreos/etcd:v3.3.3
+        image: quay.io/coreos/etcd:v3.4.3
         command:
         - "etcd"
         - "--name"

kube/terraform/main.tf

@@ -73,7 +73,7 @@ resource "kubernetes_stateful_set" "etcd_stateful_set" {
       spec {
         container {
           name    = "etcd"
-          image   = "quay.io/coreos/etcd:v3.3.3"
+          image   = "quay.io/coreos/etcd:v3.4.3"
           command = ["etcd", "--name", "$(MY_POD_NAME)", "--listen-peer-urls", "http://$(MY_IP):2380", "--listen-client-urls", "http://$(MY_IP):2379,http://127.0.0.1:2379", "--advertise-client-urls", "http://$(MY_POD_NAME).etcd:2379", "--initial-cluster-token", "etcd-cluster-1", "--initial-advertise-peer-urls", "http://$(MY_POD_NAME).etcd:2380", "--initial-cluster", "etcd-0=http://etcd-0.etcd:2380,etcd-1=http://etcd-1.etcd:2380,etcd-2=http://etcd-2.etcd:2380", "--initial-cluster-state", "new", "--data-dir", "/var/lib/etcd"]
           port {
             name           = "client"

scripts/docker-integration-tests/dedicated_etcd_embedded_coordinator/docker-compose.yml

@@ -21,7 +21,7 @@ services:
       - "0.0.0.0:2379-2380:2379-2380"
     networks:
       - backend
-    image: quay.io/coreos/etcd:v3.3.10
+    image: quay.io/coreos/etcd:v3.4.3
     command:
       - "etcd"
       - "--name"

src/aggregator/integration/election.go

@@ -26,8 +26,8 @@ import (
 	"github.com/m3db/m3/src/cluster/services"
 	"github.com/m3db/m3/src/cluster/services/leader"
 
-	"github.com/coreos/etcd/clientv3"
-	"github.com/coreos/etcd/integration"
+	"go.etcd.io/etcd/clientv3"
+	"go.etcd.io/etcd/integration"
 	"github.com/stretchr/testify/require"
 )
 

src/cluster/client/etcd/client.go

@@ -39,7 +39,7 @@ import (
 	"github.com/m3db/m3/src/x/instrument"
 	"github.com/m3db/m3/src/x/retry"
 
-	"github.com/coreos/etcd/clientv3"
+	"go.etcd.io/etcd/clientv3"
 	"github.com/uber-go/tally"
 	"go.uber.org/zap"
 )

src/cluster/client/etcd/client_test.go

@@ -27,8 +27,8 @@ import (
 	"github.com/m3db/m3/src/cluster/kv"
 	"github.com/m3db/m3/src/cluster/services"
 
-	"github.com/coreos/etcd/clientv3"
-	"github.com/coreos/etcd/integration"
+	"go.etcd.io/etcd/clientv3"
+	"go.etcd.io/etcd/integration"
 	"github.com/stretchr/testify/require"
 )
 

src/cluster/etcd/watchmanager/manager.go

@@ -25,8 +25,8 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/coreos/etcd/clientv3"
-	"github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes"
+	"go.etcd.io/etcd/clientv3"
+	"go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes"
 	"github.com/uber-go/tally"
 	"go.uber.org/zap"
 )

src/cluster/etcd/watchmanager/manager_test.go

@@ -28,8 +28,8 @@ import (
 
 	"github.com/m3db/m3/src/cluster/mocks"
 
-	"github.com/coreos/etcd/clientv3"
-	"github.com/coreos/etcd/integration"
+	"go.etcd.io/etcd/clientv3"
+	"go.etcd.io/etcd/integration"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"github.com/uber-go/tally"

src/cluster/etcd/watchmanager/options.go

@@ -26,7 +26,7 @@ import (
 
 	"github.com/m3db/m3/src/x/instrument"
 
-	"github.com/coreos/etcd/clientv3"
+	"go.etcd.io/etcd/clientv3"
 )
 
 const (