Use go modules for a website and update go version (#1457)

* Use go modules for a website and update go version

`make site-deploy` target is working properly.

* Remove faking the GOPATH step in cloudbuild yaml

build/includes/website.mk

@@ -49,9 +49,9 @@ site-gen-app-yaml:
 
 site-deploy: site-gen-app-yaml site-static
 	docker run -t --rm $(common_mounts) --workdir=$(mount_path) $(DOCKER_RUN_ARGS) \
-	 -e GOPATH=/tmp/go -e GO111MODULE=off -e SHORT_SHA=$(shell git rev-parse --short=7 HEAD) $(build_tag) bash -c \
-	'printenv && mkdir -p $$GOPATH/src && cp -r ./site $$GOPATH/src && cp -r ./vendor/gopkg.in $$GOPATH/src && \
-	cd $$GOPATH/src/site && gcloud app deploy .app.yaml --no-promote --quiet --version=$$SHORT_SHA'
+	-e GO111MODULE=on -e SHORT_SHA=$(shell git rev-parse --short=7 HEAD) $(build_tag) bash -c \
+	'printenv && cd  ./site && \
+    gcloud app deploy .app.yaml --no-promote --quiet --version=$$SHORT_SHA'
 
 site-static-preview:
 	$(MAKE) site-static ARGS="-F" ENV="RELEASE_VERSION=$(base_version) RELEASE_BRANCH=master"

cloudbuild.yaml

@@ -216,19 +216,15 @@ steps:
     - tests
   dir: "build"
   args: ["site-static-preview", "site-gen-app-yaml", "SERVICE=preview"]
-- name: "ubuntu" # fake a new gopath
-  id: site-gopath
-  waitFor:
-    - site-static
-  args: ["bash", "-c", "mkdir -p ./go/src && mv ./site ./go/src && cp -r ./vendor/gopkg.in ./go/src && ls -a ./go/src/site"]
 - name: "gcr.io/cloud-builders/gcloud" # deploy the preview of the website
   id: "deploy-site-static"
   waitFor:
-    - site-gopath
-  dir: "go/src/site"
+    - site-static
+  dir: "site"
   args: ["app", "deploy", ".app.yaml", "--no-promote", "--version=$SHORT_SHA"]
   env:
     - GOPATH=/workspace/go
+    - GO111MODULE=on
 
 #
 # Run the e2e tests

site/app.yaml

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-runtime: go111
+runtime: go113
 service: ${SERVICE}
 
 handlers:

site/cloudbuild.yaml

@@ -38,27 +38,26 @@ steps:
 - name: "make-docker" # build production version of the site
   dir: "build"
   args: ["site-static", "site-gen-app-yaml", "ENV=HUGO_ENV=production"]
-- name: "ubuntu" # fake a new gopath
-  args: ["bash", "-c", "mkdir -p ./go/src && cp -r ./site ./go/src && cp -r ./vendor/gopkg.in ./go/src && ls -a ./go/src/site"]
 - name: "gcr.io/cloud-builders/gcloud" # deploy the website
-  dir: "go/src/site"
+  dir: "site"
   args: ["app", "deploy", ".app.yaml", "--promote", "--version=$SHORT_SHA"]
   env:
     - GOPATH=/workspace/go
+    - GO111MODULE=on
 
 #
 # Build development site and deploy
 #
 
+
 - name: "make-docker" # build a preview of the website
   dir: "build"
   args: ["site-static-preview", "site-gen-app-yaml", "SERVICE=development"]
-- name: "ubuntu" # fake a new gopath
-  args: ["bash", "-c", "rm -r ./go/src && mkdir -p ./go/src && cp -r ./site ./go/src && cp -r ./vendor/gopkg.in ./go/src && ls -a ./go/src/site"]
 - name: "gcr.io/cloud-builders/gcloud" # deploy the preview of the website
-  dir: "go/src/site"
+  dir: "site"
   args: ["app", "deploy", ".app.yaml", "--promote", "--version=$SHORT_SHA"]
   env:
     - GOPATH=/workspace/go
+    - GO111MODULE=on
 
 tags: ["site"]

site/go.mod

@@ -0,0 +1,5 @@
+module github.com/agones/agones/site
+
+go 1.13
+
+require gopkg.in/yaml.v2 v2.2.8

site/go.sum

@@ -0,0 +1,4 @@
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=