Merge pull request #4 from georgekuruvillak/adopt_etcd_resources

Adopt etcd resources

.ci/build

@@ -0,0 +1,78 @@
+#!/usr/bin/env bash
+# Copyright (c) 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file.
+#
+# 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.
+
+set -ex
+
+# For the build step concourse will set the following environment variables:
+# SOURCE_PATH - path to component repository root directory.
+# BINARY_PATH - path to an existing (empty) directory to place build results into.
+if [[ -z "${SOURCE_PATH}" ]]; then
+  export SOURCE_PATH="$(readlink -f $(dirname ${0})/..)"
+else
+  export SOURCE_PATH="$(readlink -f "${SOURCE_PATH}")"
+fi
+
+if [[ -z "${BINARY_PATH}" ]]; then
+  export BINARY_PATH="${SOURCE_PATH}/bin"
+else
+  export BINARY_PATH="$(readlink -f "${BINARY_PATH}")/bin"
+fi
+
+VCS="github.com"
+ORGANIZATION="gardener"
+PROJECT="etcd-druid"
+REPOSITORY=${VCS}/${ORGANIZATION}/${PROJECT}
+
+# The `go <cmd>` commands requires to see the target repository to be part of a
+# Go workspace. Thus, if we are not yet in a Go workspace, let's create one
+# temporarily by using symbolic links.
+if [[ "${SOURCE_PATH}" != *"src/${REPOSITORY}" ]]; then
+  SOURCE_SYMLINK_PATH="${SOURCE_PATH}/tmp/src/${REPOSITORY}"
+  if [[ -d "${SOURCE_PATH}/tmp" ]]; then
+    rm -rf "${SOURCE_PATH}/tmp"
+  fi
+  mkdir -p "${SOURCE_PATH}/tmp/src/${VCS}/${ORGANIZATION}"
+  ln -s "${SOURCE_PATH}" "${SOURCE_SYMLINK_PATH}"
+  cd "${SOURCE_SYMLINK_PATH}"
+
+  export GOPATH="${SOURCE_PATH}/tmp"
+  export GOBIN="${SOURCE_PATH}/tmp/bin"
+  export PATH="${GOBIN}:${PATH}"
+fi
+
+###############################################################################
+
+VERSION_FILE="$(readlink  -f "${SOURCE_PATH}/VERSION")"
+VERSION="$(cat "${VERSION_FILE}")"
+GIT_SHA=$(git rev-parse --short HEAD || echo "GitNotFound")
+
+# If no LOCAL_BUILD environment variable is set, we configure the `go build` command
+# to build for linux OS, amd64 architectures and without CGO enablement.
+if [[ -z "$LOCAL_BUILD" ]]; then
+  CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build \
+    -mod vendor \
+    -a \
+    -v \
+    -o ${BINARY_PATH}/linux-amd64/etcd-druid \
+    main.go
+
+# If the LOCAL_BUILD environment variable is set, we simply run `go build`.
+else
+  GO111MODULE=on go build \
+    -mod vendor \
+    -v \
+    -o ${BINARY_PATH}/etcd-druid \
+    main.go
+fi

.ci/check

@@ -0,0 +1,64 @@
+#!/usr/bin/env bash 
+# Copyright (c) 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file.
+#
+# 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.
+set -e
+
+# For the check step concourse will set the following environment variables:
+# SOURCE_PATH - path to component repository root directory.
+
+if [[ -z "${SOURCE_PATH}" ]]; then
+  export SOURCE_PATH="$(readlink -f "$(dirname ${0})/..")"
+else
+  export SOURCE_PATH="$(readlink -f ${SOURCE_PATH})"
+fi
+VCS="github.com"
+ORGANIZATION="gardener"
+PROJECT="etcd-druid"
+REPOSITORY=${VCS}/${ORGANIZATION}/${PROJECT}
+
+# The `go <cmd>` commands requires to see the target repository to be part of a
+# Go workspace. Thus, if we are not yet in a Go workspace, let's create one
+# temporarily by using symbolic links.
+if [[ "${SOURCE_PATH}" != *"src/${REPOSITORY}" ]]; then
+  SOURCE_SYMLINK_PATH="${SOURCE_PATH}/tmp/src/${REPOSITORY}"
+  if [[ -d "${SOURCE_PATH}/tmp" ]]; then
+    rm -rf "${SOURCE_PATH}/tmp"
+  fi
+  mkdir -p "${SOURCE_PATH}/tmp/src/${VCS}/${ORGANIZATION}"
+  ln -s "${SOURCE_PATH}" "${SOURCE_SYMLINK_PATH}"
+  cd "${SOURCE_SYMLINK_PATH}"
+
+  export GOPATH="${SOURCE_PATH}/tmp"
+  export GOBIN="${SOURCE_PATH}/tmp/bin"
+  export PATH="${GOBIN}:${PATH}"
+fi
+
+export GO111MODULE=on
+
+# Install Golint (linting tool).
+go get -u golang.org/x/lint/golint
+
+###############################################################################
+
+PACKAGES="$(go list -mod=vendor -e ./... | grep -vE '/api|/api/v1alpha1/|/tmp/|/vendor/')"
+LINT_FOLDERS="$(echo ${PACKAGES} | sed "s|github.com/gardener/etcd-druid|.|g")"
+
+# Execute static code checks.
+go vet ${PACKAGES}
+
+# Execute automatic code formatting directive.
+go fmt ${PACKAGES}
+
+# Execute lint checks.
+golint -set_exit_status ${LINT_FOLDERS}

.ci/pipeline_definitions

@@ -0,0 +1,43 @@
+etcd-druid:
+  template: 'default'
+  base_definition:
+    repo: ~
+    traits:
+      version:
+        preprocess:
+          'inject-commit-hash'
+        inject_effective_version: true
+      publish:
+        dockerimages:
+          etcd-druid:
+            registry: 'gcr-readwrite'
+            image: 'eu.gcr.io/gardener-project/gardener/etcd-druid'
+            dockerfile: 'Dockerfile'
+            inputs:
+              repos:
+                source: ~
+              steps:
+                build: ~
+    steps:
+      check:
+        image: 'golang:1.12.0'
+      test:
+        image: 'golang:1.12.0'
+      build:
+        image: 'golang:1.12.0'
+        output_dir: 'binary'
+
+  jobs:
+    head-update:
+      traits:
+        draft_release: ~
+    pull-request:
+      traits:
+        pull-request: ~
+    release:
+      traits:
+        version:
+          preprocess: 'finalize'
+        release:
+          nextversion: 'bump_minor'
+        component_descriptor: ~

.ci/test

@@ -0,0 +1,76 @@
+#!/usr/bin/env bash
+# Copyright (c) 2018 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file.
+#
+# 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.
+set -e
+
+# For the test step concourse will set the following environment variables:
+# SOURCE_PATH - path to component repository root directory.
+if [[ -z "${SOURCE_PATH}" ]]; then
+  export SOURCE_PATH="$(readlink -f "$(dirname ${0})/..")"
+else
+  export SOURCE_PATH="$(readlink -f "${SOURCE_PATH}")"
+fi
+
+VCS="github.com"
+ORGANIZATION="gardener"
+PROJECT="etcd-druid"
+REPOSITORY=${VCS}/${ORGANIZATION}/${PROJECT}
+
+# The `go <cmd>` commands requires to see the target repository to be part of a
+# Go workspace. Thus, if we are not yet in a Go workspace, let's create one
+# temporarily by using symbolic links.
+if [[ "${SOURCE_PATH}" != *"src/${REPOSITORY}" ]]; then
+  SOURCE_SYMLINK_PATH="${SOURCE_PATH}/tmp/src/${REPOSITORY}"
+  if [[ -d "${SOURCE_PATH}/tmp" ]]; then
+    rm -rf "${SOURCE_PATH}/tmp"
+  fi
+  mkdir -p "${SOURCE_PATH}/tmp/src/${VCS}/${ORGANIZATION}"
+  ln -s "${SOURCE_PATH}" "${SOURCE_SYMLINK_PATH}"
+  cd "${SOURCE_SYMLINK_PATH}"
+
+  export GOPATH="${SOURCE_PATH}/tmp"
+  export GOBIN="${SOURCE_PATH}/tmp/bin"
+  export PATH="${GOBIN}:${PATH}"
+fi
+
+export GO111MODULE=on 
+
+# Install Ginkgo (test framework) to be able to execute the tests.
+go get -u github.com/onsi/ginkgo/ginkgo
+
+###############################################################################
+
+function test_with_coverage() {
+  echo "[INFO] Test coverage is enabled."
+  local output_dir=test/output
+  local coverprofile_file=coverprofile.out
+  mkdir -p test/output
+  ginkgo $GINKGO_COMMON_FLAGS --coverprofile ${coverprofile_file} -covermode=set -outputdir ${output_dir} ${TEST_PACKAGES}
+  sed -i '/mode: set/d' ${output_dir}/${coverprofile_file}
+  {( echo "mode: set"; cat ${output_dir}/${coverprofile_file} )} > ${output_dir}/${coverprofile_file}.temp
+  mv ${output_dir}/${coverprofile_file}.temp ${output_dir}/${coverprofile_file} 
+  go tool cover -func ${output_dir}/${coverprofile_file}
+}
+
+################################################################################
+
+TEST_PACKAGES="api controllers"
+GINKGO_COMMON_FLAGS="-r -timeout=1h0m0s --randomizeAllSpecs --randomizeSuites --failOnPending --progress"
+if [ -z $COVER ] || [ "$COVER" = false ] ; then
+  echo "[INFO] Test coverage is disabled."
+  ginkgo -race -trace $GINKGO_COMMON_FLAGS ${TEST_PACKAGES}
+else
+  test_with_coverage
+fi
+echo "Finished executing unit tests."

.gitignore

@@ -5,6 +5,7 @@
 /dev
 
 *.coverprofile
+/cover.out
 *.html
 .vscode
 .idea

Dockerfile

@@ -1,25 +1,20 @@
 # Build the manager binary
 FROM golang:1.12.5 as builder
+WORKDIR /go/src/github.com/gardener/etcd-druid
+COPY . .
 
-WORKDIR /workspace
-# Copy the Go Modules manifests
-COPY go.mod go.mod
-COPY go.sum go.sum
-# cache deps before building and copying source so that we don't need to re-download as much
-# and so that source changes don't invalidate our downloaded layer
-RUN go mod download
-
-# Copy the go source
-COPY main.go main.go
-COPY api/ api/
-COPY controllers/ controllers/
+# # cache deps before building and copying source so that we don't need to re-download as much
+# # and so that source changes don't invalidate our downloaded layer
+#RUN go mod download
 
 # Build
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -o manager main.go
+RUN .ci/build
 
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details
-FROM gcr.io/distroless/static:latest
+FROM alpine:3.10.3 AS druid
+RUN apk add --update bash curl
 WORKDIR /
-COPY --from=builder /workspace/manager .
-ENTRYPOINT ["/manager"]
+COPY --from=builder /go/src/github.com/gardener/etcd-druid/bin/linux-amd64/etcd-druid bin/.
+COPY charts charts
+ENTRYPOINT ["/bin/etcd-druid"]