Upgrade to go v1.13

.travis.yml

@@ -1,5 +1,4 @@
 language: go
-sudo: required
 
 env:
   global:
@@ -11,15 +10,15 @@ env:
     - KUBECONFIG=$HOME/.kube/config
 
 go:
-- 1.12.x
+  - 1.13.x
 
 matrix:
   fast_finish: true
   allow_failures:
-  - go: master
+    - go: master
 
 before_install:
-- make go-dependencies
+  - make go-dependencies
 
 jobs:
   include:
@@ -36,4 +35,4 @@ jobs:
 cache:
   directories:
     - vendor
-    - /home/travis/.minikube/
+    - /home/travis/.minikube/

config.env

@@ -1,7 +1,7 @@
 # Setup variables for the Makefile
 NAME=kubernetes-operator
 OPERATOR_SDK_VERSION=0.10.0
-GO_VERSION=1.12.6
+GO_VERSION=1.13.1
 PKG=github.com/jenkinsci/kubernetes-operator
 DOCKER_ORGANIZATION=virtuslab
 DOCKER_REGISTRY=jenkins-operator
@@ -12,4 +12,4 @@ MINIKUBE_DRIVER=virtualbox
 MINIKUBE_VERSION=1.2.0
 KUBECTL_CONTEXT=minikube
 ALL_IN_ONE_DEPLOY_FILE_PREFIX=all-in-one
-GEN_CRD_API=gen-crd-api-reference-docs
+GEN_CRD_API=gen-crd-api-reference-docs

go.mod

@@ -1,5 +1,7 @@
 module github.com/jenkinsci/kubernetes-operator
 
+go 1.13
+
 require (
 	github.com/bndr/gojenkins v0.0.0-20181125150310-de43c03cf849
 	github.com/docker/distribution v2.7.1+incompatible