First version of etcd-wrapper

.ci/build

@@ -1,6 +1,21 @@
 #!/usr/bin/env bash
+# Copyright 2023 SAP SE or an SAP affiliate company
+#
+# 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 -eo pipefail
+set -o errexit
+set -o nounset
+set -o pipefail
 
 # For all steps, concourse will set the following environment variables:
 # SOURCE_PATH - path to component repository root directory.
@@ -19,15 +34,11 @@ else
   BINARY_PATH="$(readlink -f "${BINARY_PATH}")/bin"
 fi
 export BINARY_PATH
-echo ${BINARY_PATH}
 
-# TODO: needed?
 source "${SOURCE_PATH}/.ci/common.sh"
 
-###############################################################################
+#################################################################
 
-CGO_ENABLED=0 GO111MODULE=on go build \
-  -mod vendor \
-  -v \
-  -o "${BINARY_PATH}"/etcd-wrapper \
-  main.go
+echo "> Build..."
+make build
+echo "Build completed successfully"

.ci/check

@@ -4,7 +4,16 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-source "$(dirname "${0}")"/common.sh
+# For all steps, concourse will set the following environment variables:
+# SOURCE_PATH - path to component repository root directory.
+if [[ -z "${SOURCE_PATH}" ]]; then
+  SOURCE_PATH="$(readlink -f "$(dirname "${BASH_SOURCE[0]}")/..")"
+else
+  SOURCE_PATH="$(readlink -f "${SOURCE_PATH}")"
+fi
+export SOURCE_PATH
+
+source "${SOURCE_PATH}/.ci/common.sh"
 
 #################################################################
 

.ci/common.sh

@@ -13,29 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# 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.
+set -eo pipefail
 
-# For the test step concourse will set the following environment variables:
-# SOURCE_PATH - path to component repository root directory.
-if [[ $(uname) == 'Darwin' ]]; then
-  READLINK_BIN="greadlink"
-else
-  READLINK_BIN="readlink"
-fi
-
-if [[ -z "${SOURCE_PATH}" ]]; then
-  export SOURCE_PATH="$(${READLINK_BIN} -f "$(dirname ${0})/..")"
-else
-  export SOURCE_PATH="$(${READLINK_BIN} -f "${SOURCE_PATH}")"
+if [[ -z "$SOURCE_PATH" ]]; then
+    echo "Environment variable SOURCE_PATH must be provided"
+    exit 1
 fi
 
 VCS="github.com"
 ORGANIZATION="gardener"
 PROJECT="etcd-wrapper"
 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 "${SOURCE_PATH}/tmp" ]]; then
@@ -48,5 +40,21 @@ if [[ "${SOURCE_PATH}" != *"src/${REPOSITORY}" ]]; then
   export GOPATH="${SOURCE_PATH}/tmp"
   export GOBIN="${SOURCE_PATH}/tmp/bin"
   export PATH="${GOBIN}:${PATH}"
-  export GO111MODULE=on
-fi
+fi
+
+# Turn colors in this script off by setting the NO_COLOR variable in your
+# environment to any value:
+#
+# $ NO_COLOR=1 test.sh
+NO_COLOR=${NO_COLOR:-""}
+if [ -z "$NO_COLOR" ]; then
+  header=$'\e[1;33m'
+  reset=$'\e[0m'
+else
+  header=''
+  reset=''
+fi
+
+function header_text {
+  echo "$header$*$reset"
+}

.ci/test

@@ -1,10 +1,20 @@
 #!/usr/bin/env bash
 
+set -x
 set -o errexit
 set -o nounset
 set -o pipefail
 
-source "$(dirname "${0}")"/common.sh
+# For all steps, concourse will set the following environment variables:
+# SOURCE_PATH - path to component repository root directory.
+if [[ -z "${SOURCE_PATH}" ]]; then
+  SOURCE_PATH="$(readlink -f "$(dirname "${BASH_SOURCE[0]}")/..")"
+else
+  SOURCE_PATH="$(readlink -f "${SOURCE_PATH}")"
+fi
+export SOURCE_PATH
+
+source "${SOURCE_PATH}/.ci/common.sh"
 
 #################################################################
 

.dockerignore

@@ -0,0 +1,17 @@
+# Ignore everything
+**
+
+# Exclude folders relevant for build
+!.git
+!.dockerignore
+!cmd/
+!hack/
+!vendor/
+!internal/
+!bin/
+!.golangci.yaml
+!go.mod
+!go.sum
+!main.go
+!Makefile
+!VERSION

.gitignore

@@ -17,5 +17,13 @@
 .idea
 .DS_Store
 
+# Generated manifest files
+hack/local-dev/manifests/common/*.yaml
+hack/local-dev/manifests/singlenode/*.yaml
+hack/local-dev/manifests/multinode/*.yaml
+internal/testdata/*.pem
+internal/testdata/*.json
+internal/testdata/*.csr
+
 # Go workspace file
 go.work

Dockerfile

@@ -0,0 +1,14 @@
+FROM golang:1.20 as builder
+WORKDIR /go/src/github.com/gardener/etcd-wrapper
+COPY . .
+
+# Build
+RUN make build
+#RUN mkdir -p /var/etcd/data
+
+# 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-debian11:nonroot AS wrapper
+WORKDIR /
+COPY --from=builder /go/src/github.com/gardener/etcd-wrapper/bin/etcd-wrapper /etcd-wrapper
+ENTRYPOINT ["/etcd-wrapper"]