*: move to go 1.11 (#4626)

* *: move to go 1.11

Signed-off-by: Simon Pasquier <spasquie@redhat.com>

* Reduce number of places where we specify the Go version

Signed-off-by: Simon Pasquier <spasquie@redhat.com>

.circleci/config.yml

@@ -1,13 +1,17 @@
 ---
 version: 2.1
 
-jobs:
+executors:
-  test:
+  # Whenever the Go version is updated here, .travis.yml and .promu.yml
-    # Whenever the Go version is updated here, .travis.yml should also be
+  # should also be updated.
-    # updated.
+  golang:
     docker:
-    - image: circleci/golang:1.10
+    - image: circleci/golang:1.11
     working_directory: /go/src/github.com/prometheus/prometheus
+
+jobs:
+  test:
+    executor: golang
     resource_class: large
 
     steps:
@@ -24,7 +28,6 @@ jobs:
 
   build:
     machine: true
-    working_directory: /home/circleci/.go_workspace/src/github.com/prometheus/prometheus
 
     steps:
     - checkout
@@ -39,9 +42,7 @@ jobs:
         destination: /build
 
   docker_hub_master:
-    docker:
+    executor: golang
-    - image: circleci/golang:1.10
-    working_directory: /go/src/github.com/prometheus/prometheus
 
     steps:
     - checkout
@@ -59,9 +60,7 @@ jobs:
     - run: make docker-publish DOCKER_REPO=quay.io/prometheus
 
   docker_hub_release_tags:
-    docker:
+    executor: golang
-    - image: circleci/golang:1.10
-    working_directory: /go/src/github.com/prometheus/prometheus
 
     steps:
     - checkout

.promu.yml

@@ -1,3 +1,7 @@
+go:
+    # Whenever the Go version is updated here, .travis.yml and
+    # .circle/config.yml should also be updated.
+    version: 1.11
 repository:
     path: github.com/prometheus/prometheus
 build:

.travis.yml

@@ -2,10 +2,10 @@ sudo: false
 
 language: go
 
-# Whenever the Go version is updated here, .circleci/config.yml should also be
+# Whenever the Go version is updated here, .circleci/config.yml and .promu.yml
-# updated.
+# should also be updated.
 go:
-- 1.10.x
+- 1.11.x
 
 go_import_path: github.com/prometheus/prometheus
 

Makefile

@@ -18,8 +18,10 @@ STATICCHECK_IGNORE = \
   github.com/prometheus/prometheus/discovery/kubernetes/node.go:SA1019 \
   github.com/prometheus/prometheus/documentation/examples/remote_storage/remote_storage_adapter/main.go:SA1019 \
   github.com/prometheus/prometheus/pkg/textparse/lex.l.go:SA4006 \
+  github.com/prometheus/prometheus/pkg/textparse/lex.l.go:SA4006 \
   github.com/prometheus/prometheus/pkg/pool/pool.go:SA6002 \
-  github.com/prometheus/prometheus/promql/engine.go:SA6002
+  github.com/prometheus/prometheus/promql/engine.go:SA6002 \
+  github.com/prometheus/prometheus/prompb/rpc.pb.gw.go:SA1019
 
 DOCKER_IMAGE_NAME       ?= prometheus