Migrate to Go modules (#183)

* Migrate to Go modules

Signed-off-by: Reinhard Naegele <unguiculus@gmail.com>

* Add 'go mod download'

Signed-off-by: Reinhard Naegele <unguiculus@gmail.com>

* Update machine image

Signed-off-by: Reinhard Naegele <unguiculus@gmail.com>

* Install Go

Signed-off-by: Reinhard Naegele <unguiculus@gmail.com>

* Fix Go installation

Signed-off-by: Reinhard Naegele <unguiculus@gmail.com>

* Fix Go installation

Signed-off-by: Reinhard Naegele <unguiculus@gmail.com>

* Override Go link

Signed-off-by: Reinhard Naegele <unguiculus@gmail.com>

* Do checkout first

Signed-off-by: Reinhard Naegele <unguiculus@gmail.com>

* Fix link

Signed-off-by: Reinhard Naegele <unguiculus@gmail.com>

* Copy go 1.13 binary in place of circle image default binary

Signed-off-by: Scott Rigby <scott@r6by.com>

* Use latest helm v3 version, and remove install_tiller function

Signed-off-by: Scott Rigby <scott@r6by.com>

* Revert "Use latest helm v3 version, and remove install_tiller function"

This reverts commit 63dedab.

Signed-off-by: Scott Rigby <scott@r6by.com>

* Copy full go 1.13 dir into the circle machine default location after deleting initial install

Signed-off-by: Scott Rigby <scott@r6by.com>

.circleci/config.yml

@@ -14,37 +14,41 @@ jobs:
   test:
     machine:
       enabled: true
-    working_directory: /home/circleci/.go_workspace/src/github.com/helm/chart-testing
+      image: circleci/classic:201808-01
     steps:
+      - checkout
       - run:
           name: Install tools
           command: |
-            mkdir /home/circleci/.go_workspace/bin
-            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
+            # We need to install Golang 1.13 because the CircleCI machine image has an outdated version.
+            # We need to use a CircleCI machine in order to be able to run kind.
+            curl -sSLO https://dl.google.com/go/go1.13.4.linux-amd64.tar.gz
+            sudo rm -r /usr/local/go
+            sudo tar -C /usr/local -xzf go1.13.4.linux-amd64.tar.gz
+
             curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl
             chmod +x ./kubectl
             sudo mv ./kubectl /usr/local/bin/kubectl
+
             curl https://raw.githubusercontent.com/helm/helm/master/scripts/get | bash
             curl -sSLo kind "/~https://github.com/kubernetes-sigs/kind/releases/download/v0.5.1/kind-linux-amd64"
             chmod +x kind
             sudo mv kind /usr/local/bin/kind
-      - checkout
       - run:
           name: Test
           command: |
-            dep ensure -v
+            go mod download
             ./e2e-kind.sh
   build:
     docker:
-      - image: golang:1.12.4-alpine3.9
-    working_directory: /go/src/github.com/helm/chart-testing
+      - image: golang:1.13-alpine3.10
     steps:
       - setup_remote_docker
       - run:
           name: Install tools
           command: |
             apk add bash build-base ca-certificates curl docker git openssh
-            curl -SLO /~https://github.com/goreleaser/goreleaser/releases/download/v0.102.0/goreleaser_Linux_x86_64.tar.gz
+            curl -SLO /~https://github.com/goreleaser/goreleaser/releases/download/v0.120.5/goreleaser_Linux_x86_64.tar.gz
             mkdir -p /usr/local/goreleaser
             tar -xzf goreleaser_Linux_x86_64.tar.gz -C /usr/local/goreleaser
             ln -s /usr/local/goreleaser/goreleaser /usr/local/bin/goreleaser

.goreleaser.yml

@@ -1,4 +1,7 @@
 project_name: chart-testing
+before:
+  hooks:
+    - go mod download
 builds:
   - main: ct/main.go
     binary: ct
@@ -16,15 +19,15 @@ builds:
         -X github.com/helm/chart-testing/ct/cmd.Version={{ .Tag }}
         -X github.com/helm/chart-testing/ct/cmd.GitCommit={{ .Commit }}
         -X github.com/helm/chart-testing/ct/cmd.BuildDate={{ .Date }}
-archive:
-  format_overrides:
-    - goos: windows
-      format: zip
-  files:
-    - LICENSE
-    - README.md
-    - etc/chart_schema.yaml
-    - etc/lintconf.yaml
+archives:
+  - format_overrides:
+      - goos: windows
+        format: zip
+    files:
+      - LICENSE
+      - README.md
+      - etc/chart_schema.yaml
+      - etc/lintconf.yaml
 checksum:
   name_template: 'checksums.txt'
 snapshot: