Upgrade to Go 1.18 (#150)

Also let it still support 1.17 to ease upgrade.

Going forward we should aim to support the same latest 2 Go versions that the Go team actively supports.

Signed-off-by: Jose Luis Vazquez Gonzalez josvaz@vmware.com

.github/workflows/goreleaser.yml

@@ -25,7 +25,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v1
         with:
-          go-version: 1.17.x
+          go-version: 1.18.x
       - name: Release
         uses: goreleaser/goreleaser-action@v2
         with:

DEVELOPMENT.md

@@ -1,6 +1,6 @@
 ## Development
 
-The Asset Relocation Tool for Kubernetes is built with Golang 1.17.
+The Asset Relocation Tool for Kubernetes is built preferably with Golang 1.18, although 1.17 is also supported.
 
 ### Running tests
 

Makefile

@@ -10,15 +10,16 @@ default: build
 .PHONY: deps-go-binary deps-counterfeiter deps-ginkgo deps-golangci-lint
 
 GO_VERSION := $(shell go version)
-GO_VERSION_REQUIRED = go1.17
-GO_VERSION_MATCHED := $(shell go version | grep $(GO_VERSION_REQUIRED))
+PREFERRED_VERSION=1.18
+PREVIOUS_VERSION=1.17
+VERSION_MATCHED := $(shell go version | grep "$(PREFERRED_VERSION)\|$(PREVIOUS_VERSION)")
 
 deps-go-binary:
 ifndef GO_VERSION
 	$(error Go not installed)
 endif
-ifndef GO_VERSION_MATCHED
-	$(error Required Go version is $(GO_VERSION_REQUIRED), but was $(GO_VERSION))
+ifndef VERSION_MATCHED
+       $(error Required Go versions are $(PREFERRED_VERSION) or $(PREVIOUS_VERSION), but we have $(GO_VERSION))
 endif
 	@:
 

ci/Dockerfile

@@ -5,7 +5,7 @@ FROM harbor-repo.vmware.com/dockerhub-proxy-cache/library/photon:3.0-20210716
 WORKDIR /
 
 # Install required packages
-RUN yum -y install build-essential coreutils gawk gcc git go-1.17.2-1.ph3.x86_64 jq make
+RUN yum -y install build-essential coreutils gawk gcc git go-1.18.2-1.ph3.x86_64 jq make
 ENV PATH="/root/go/bin:${PATH}"
 
 # Install go packages used for building and testing

go.mod

@@ -1,6 +1,6 @@
 module github.com/vmware-tanzu/asset-relocation-tool-for-kubernetes
 
-go 1.17
+go 1.18
 
 require (
 	github.com/avast/retry-go v3.0.0+incompatible

test/registry/Dockerfile

@@ -1,6 +1,6 @@
 # Copyright 2021 VMware, Inc.
 # SPDX-License-Identifier: BSD-2-Clause
-FROM golang:1.17 as compiled
+FROM golang:1.18 as compiled
 RUN cd /go && \
     GO111MODULE=off go get -u filippo.io/mkcert && \
     cd src/filippo.io/mkcert && \