Upgrade golang to 1.17

.drone/drone.jsonnet

@@ -1,4 +1,4 @@
-local image = 'golang:1.16.7';
+local image = 'golang:1.17.6';
 
 local pipeline = {
   new(name):: {

.drone/drone.yml

@@ -7,21 +7,21 @@
          "commands": [
             "make mod-check"
          ],
-         "image": "golang:1.16.7",
+         "image": "golang:1.17.6",
          "name": "make-mod-check"
       },
       {
          "commands": [
             "make lint"
          ],
-         "image": "golang:1.16.7",
+         "image": "golang:1.17.6",
          "name": "make-lint"
       },
       {
          "commands": [
             "make test"
          ],
-         "image": "golang:1.16.7",
+         "image": "golang:1.17.6",
          "name": "make-test"
       },
       {
@@ -30,13 +30,13 @@
             "go mod vendor",
             "make check-protos"
          ],
-         "image": "golang:1.16.7",
+         "image": "golang:1.17.6",
          "name": "make-check-protos"
       }
    ]
 }
 ---
 kind: signature
-hmac: 3b4342022f2635d86f61ee26f7c1dfa66399233b91ea7b2d730a97b8d0a469e6
+hmac: ece0e7c96218aed975b8e9fa0399bee2a8b0d72bbe3ce0830d39fdc84d238b7a
 
 ...

contributing/how-to-upgrade-golang-version.md

@@ -0,0 +1,7 @@
+# How to upgrade Golang version
+
+1. `go mod edit -go=1.17`
+1. `go mod vendor && go mod tidy`
+1. Change Drone image in `.drone/drone.jsonnet`
+1. Export $DRONE_SERVER and $DRONE_TOKEN environment variables (you can get them logging in to [https://drone.grafana.net](https://drone.grafana.net))
+1. `make .drone/drone.yml`

go.mod

@@ -1,42 +1,91 @@
 module github.com/grafana/dskit
 
-go 1.16
+go 1.17
 
 require (
 	github.com/armon/go-metrics v0.3.0
-	github.com/coreos/etcd v3.3.25+incompatible // indirect
 	github.com/cristalhq/hedgedhttp v0.7.0
 	github.com/go-kit/log v0.1.0
 	github.com/gogo/protobuf v1.3.2
 	github.com/gogo/status v1.1.0
 	github.com/golang/snappy v0.0.4
-	github.com/gorilla/mux v1.8.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.1.0
 	github.com/hashicorp/consul/api v1.9.1
 	github.com/hashicorp/go-cleanhttp v0.5.1
-	github.com/hashicorp/go-msgpack v0.5.5 // indirect
 	github.com/hashicorp/go-sockaddr v1.0.2
 	github.com/hashicorp/memberlist v0.2.3
 	github.com/opentracing-contrib/go-grpc v0.0.0-20210225150812-73cb765af46e
 	github.com/opentracing/opentracing-go v1.2.0
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.11.0
 	github.com/prometheus/common v0.26.0
-	github.com/sercand/kuberesolver v2.4.0+incompatible // indirect
-	github.com/sirupsen/logrus v1.8.1 // indirect
 	github.com/stretchr/testify v1.7.0
 	github.com/weaveworks/common v0.0.0-20210913144402-035033b78a78
 	go.etcd.io/etcd v3.3.25+incompatible
 	go.etcd.io/etcd/api/v3 v3.5.0
 	go.etcd.io/etcd/client/v3 v3.5.0
 	go.uber.org/atomic v1.9.0
-	golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
 	golang.org/x/time v0.0.0-20210611083556-38a9dc6acbc6
 	google.golang.org/grpc v1.38.0
 	gopkg.in/yaml.v2 v2.4.0
 )
 
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/coreos/etcd v3.3.25+incompatible // indirect
+	github.com/coreos/go-semver v0.3.0 // indirect
+	github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf // indirect
+	github.com/coreos/go-systemd/v22 v22.3.2 // indirect
+	github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/fatih/color v1.9.0 // indirect
+	github.com/felixge/httpsnoop v1.0.1 // indirect
+	github.com/go-kit/kit v0.10.0 // indirect
+	github.com/go-logfmt/logfmt v0.5.0 // indirect
+	github.com/gogo/googleapis v1.1.0 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/btree v1.0.0 // indirect
+	github.com/gorilla/mux v1.8.0 // indirect
+	github.com/hashicorp/errwrap v1.0.0 // indirect
+	github.com/hashicorp/go-hclog v0.12.0 // indirect
+	github.com/hashicorp/go-immutable-radix v1.0.0 // indirect
+	github.com/hashicorp/go-msgpack v0.5.5 // indirect
+	github.com/hashicorp/go-multierror v1.1.0 // indirect
+	github.com/hashicorp/go-rootcerts v1.0.2 // indirect
+	github.com/hashicorp/golang-lru v0.5.1 // indirect
+	github.com/hashicorp/serf v0.9.5 // indirect
+	github.com/mattn/go-colorable v0.1.6 // indirect
+	github.com/mattn/go-isatty v0.0.12 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/miekg/dns v1.1.26 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/mitchellh/mapstructure v1.1.2 // indirect
+	github.com/opentracing-contrib/go-stdlib v0.0.0-20190519235532-cf7a6c988dc9 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/node_exporter v1.0.0-rc.0.0.20200428091818-01054558c289 // indirect
+	github.com/prometheus/procfs v0.6.0 // indirect
+	github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 // indirect
+	github.com/sercand/kuberesolver v2.4.0+incompatible // indirect
+	github.com/sirupsen/logrus v1.8.1 // indirect
+	github.com/stretchr/objx v0.1.1 // indirect
+	github.com/uber/jaeger-client-go v2.28.0+incompatible // indirect
+	github.com/uber/jaeger-lib v2.2.0+incompatible // indirect
+	github.com/weaveworks/promrus v1.2.0 // indirect
+	go.etcd.io/etcd/client/pkg/v3 v3.5.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	go.uber.org/zap v1.17.0 // indirect
+	golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b // indirect
+	golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4 // indirect
+	golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40 // indirect
+	golang.org/x/text v0.3.5 // indirect
+	google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c // indirect
+	google.golang.org/protobuf v1.26.0 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
+)
+
 replace k8s.io/client-go v12.0.0+incompatible => k8s.io/client-go v0.21.4
 
 // Replace memberlist with our fork which includes some fixes that haven't been