Re-write it in Go

.circleci/config.yml

@@ -1,14 +1,49 @@
 version: 2
 jobs:
-  build:
+  lint:
     docker:
       - image: koalaman/shellcheck-alpine
     steps:
       - checkout
       - run:
           name: lint
           command: |
-            shellcheck -x lib/chartlib.sh
-            shellcheck -x chart_test.sh
-            shellcheck -x examples/docker-for-mac/my_test.sh
-            shellcheck -x examples/gke/my_test.sh
+            shellcheck -x build.sh
+            shellcheck -x tag.sh
+  release:
+    docker:
+      - image: golang:1.11.1-alpine3.8
+    working_directory: /workdir
+    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/v0.89.0/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
+            rm -rf goreleaser_Linux_x86_64.tar.gz
+      - checkout
+      - run:
+          name: Checkout tag
+          command: git gc --aggressive --prune=all && git checkout -b "$CIRCLE_TAG" "$CIRCLE_TAG"
+      - run:
+          name: Create release
+          command: |
+            go mod download
+            ./build.sh --debug --release
+workflows:
+  version: 2
+  untagged-build:
+    jobs:
+      - lint
+  tagged-build:
+    jobs:
+      - release:
+          filters:
+            tags:
+              only: /^v.*/
+            branches:
+              ignore: /.*/

.dockerignore

@@ -1,6 +1,4 @@
+.circleci
 .history
 .idea
-.editorconfig
-.gitignore
-.git
-Dockerfile
+.vscode

.editorconfig

@@ -12,3 +12,8 @@ charset = utf-8
 [*.{yml,yaml}]
 indent_size = 2
 
+[*.go]
+indent_style = tab
+
+[Makefile]
+indent_style = tab

.gitignore

@@ -1,5 +1,7 @@
-.history
 .idea
-.settings
 .project
-.classpath
+.settings
+.vscode
+/dist
+/config.*
+/ct

.goreleaser.yml

@@ -0,0 +1,49 @@
+project_name: chart-testing
+builds:
+  - main: app/main.go
+    binary: ct
+    env:
+      - CGO_ENABLED=0
+    goarch:
+      - amd64
+      - arm
+    goos:
+      - linux
+      - darwin
+      - windows
+    ldflags:
+      - >-
+        -X github.com/helm/chart-testing/app/cmd.Version={{ .Tag }}
+        -X github.com/helm/chart-testing/app/cmd.GitCommit={{ .Commit }}
+        -X github.com/helm/chart-testing/app/cmd.BuildDate={{ .Date }}
+archive:
+  format_overrides:
+    - goos: windows
+      format: zip
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: "{{ .Tag }}-next"
+changelog:
+  sort: asc
+dockers:
+  - goos: linux
+    goarch: amd64
+    binary: ct
+    image: quay.io/helmpack/chart-testing
+    skip_push: false
+    dockerfile: Dockerfile
+    tag_templates:
+      - "{{ .Tag }}"
+      - latest
+    build_flag_templates:
+      - "--build-arg=dist_dir="
+      - "--label=org.label-schema.schema-version=1.0"
+      - "--label=org.label-schema.version={{ .Version }}"
+      - "--label=org.label-schema.name={{ .ProjectName }}"
+      - "--label=org.label-schema.build-date={{ .Date }}"
+      - "--label=org.label-schema.description='ct - The chart testing tool'"
+      - "--label=org.label-schema.vendor=Helm"
+    extra_files:
+      - etc/chart_schema.yaml
+      - etc/lintconf.yaml

Dockerfile

@@ -1,39 +1,14 @@
-# Copyright 2018 The Helm Authors. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-FROM bash:4.4
+FROM alpine:3.8
 
 RUN apk --no-cache add \
     curl \
     git \
-    jq \
     libc6-compat \
     openssh-client \
     python \
     py-crcmod \
     py-pip
 
-# Install YQ command line reader
-ARG YQ_VERSION=2.5.0
-RUN pip install "yq==$YQ_VERSION"
-
-# Install SemVer testing tool
-ARG VERT_VERSION=0.1.0
-RUN curl -Lo vert "https://github.com/Masterminds/vert/releases/download/v$VERT_VERSION/vert-v$VERT_VERSION-linux-amd64" && \
-    chmod +x vert && \
-    mv vert /usr/local/bin/
-
 # Install a YAML Linter
 ARG YAML_LINT_VERSION=1.8.1
 RUN pip install "yamllint==$YAML_LINT_VERSION"
@@ -43,22 +18,23 @@ ARG YAMALE_VERSION=1.7.0
 RUN pip install "yamale==$YAMALE_VERSION"
 
 # Install kubectl
-ARG KUBECTL_VERSION=1.10.2
-RUN curl -LO "https://storage.googleapis.com/kubernetes-release/release/v$KUBECTL_VERSION/bin/linux/amd64/kubectl" && \
+ARG KUBECTL_VERSION=v1.12.0
+RUN curl -LO "https://storage.googleapis.com/kubernetes-release/release/$KUBECTL_VERSION/bin/linux/amd64/kubectl" && \
     chmod +x kubectl && \
     mv kubectl /usr/local/bin/
 
 # Install Helm
-ARG HELM_VERSION=2.10.0
-RUN curl -LO "https://kubernetes-helm.storage.googleapis.com/helm-v$HELM_VERSION-linux-amd64.tar.gz" && \
+ARG HELM_VERSION=v2.11.0
+RUN curl -LO "https://kubernetes-helm.storage.googleapis.com/helm-$HELM_VERSION-linux-amd64.tar.gz" && \
     mkdir -p "/usr/local/helm-$HELM_VERSION" && \
-    tar -xzf "helm-v$HELM_VERSION-linux-amd64.tar.gz" -C "/usr/local/helm-$HELM_VERSION" && \
+    tar -xzf "helm-$HELM_VERSION-linux-amd64.tar.gz" -C "/usr/local/helm-$HELM_VERSION" && \
     ln -s "/usr/local/helm-$HELM_VERSION/linux-amd64/helm" /usr/local/bin/helm && \
-    rm -f "helm-v$HELM_VERSION-linux-amd64.tar.gz"
-
-COPY etc /testing/etc/
-COPY lib /testing/lib/
-COPY chart_test.sh /testing/
+    rm -f "helm-$HELM_VERSION-linux-amd64.tar.gz"
 
-RUN ln -s /testing/chart_test.sh /usr/local/bin/chart_test.sh
+# Goreleaser needs to override this because it builds the
+# Dockerfile from a tmp dir with all files to be copied in the root
+ARG dist_dir=dist/linux_amd64
 
+COPY "$dist_dir/chart_schema.yaml" /etc/ct/chart_schema.yaml
+COPY "$dist_dir/lintconf.yaml" /etc/ct/lintconf.yaml
+COPY "$dist_dir/ct" /usr/local/bin/ct

Makefile

@@ -0,0 +1,13 @@
+
+
+.PHONY: build
+build:
+	go build -o ct app/main.go
+
+.PHONY: test
+test:
+	go test ./...
+
+.PHONY: release
+release: test
+	./tag.sh

OWNERS

@@ -0,0 +1,9 @@
+approvers:
+  - lachie83
+  - prydonius
+  - viglesiasce
+  - unguiculus
+  - scottrigby
+  - mattfarina
+  - davidkarlsen
+  - paulczar