디렉토리 구조 및 각 서비스 추가

helm/airflow/dockerfiles/pgbouncer-exporter/Dockerfile

@@ -0,0 +1,57 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+ARG ALPINE_VERSION="3.17"
+ARG GO_VERSION
+
+FROM golang:${GO_VERSION} AS builder
+
+ARG PGBOUNCER_EXPORTER_VERSION
+
+WORKDIR /usr/src/myapp
+
+SHELL ["/bin/bash", "-o", "pipefail", "-e", "-u", "-x", "-c"]
+
+RUN URL="https://github.com/jbub/pgbouncer_exporter/archive/v${PGBOUNCER_EXPORTER_VERSION}.tar.gz" \
+    && curl -L "${URL}" | tar -zx --strip-components 1 \
+    && PLATFORM=$([ "$(uname -m)" = "aarch64" ] && echo "arm64" || echo "amd64" )\
+    && GOOS=linux GOARCH="${PLATFORM}" CGO_ENABLED=0 go build -v
+
+FROM alpine:${ALPINE_VERSION} AS final
+
+# We want to make sure this one includes latest security fixes.
+# "Pin versions in apk add" https://github.com/hadolint/hadolint/wiki/DL3018
+# hadolint ignore=DL3018
+RUN apk --no-cache add libressl libressl-dev openssl
+
+COPY --from=builder /usr/src/myapp/pgbouncer_exporter /bin
+
+ARG PGBOUNCER_EXPORTER_VERSION
+ARG AIRFLOW_PGBOUNCER_EXPORTER_VERSION
+ARG GO_VERSION
+ARG COMMIT_SHA
+
+LABEL org.apache.airflow.component="pgbouncer-exporter" \
+    org.apache.airflow.pgbouncer-exporter.version="${PGBOUNCER_EXPORTER_VERSION}" \
+    org.apache.airflow.go.version="${GO_VERSION}" \
+    org.apache.airflow.airflow-pgbouncer-exporter.version="${AIRFLOW_PGBOUNCER_EXPORTER_VERSION}" \
+    org.apache.airflow.commit-sha="${COMMIT_SHA}" \
+    maintainer="Apache Airflow Community <dev@airflow.apache.org>"
+
+HEALTHCHECK CMD ["/bin/pgbouncer_exporter", "health"]
+
+USER nobody
+
+ENTRYPOINT ["/bin/pgbouncer_exporter"]
+CMD ["server"]

helm/airflow/dockerfiles/pgbouncer-exporter/build_and_push.sh

@@ -0,0 +1,68 @@
+#!/usr/bin/env bash
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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 -euo pipefail
+DOCKERHUB_USER=${DOCKERHUB_USER:="apache"}
+readonly DOCKERHUB_USER
+DOCKERHUB_REPO=${DOCKERHUB_REPO:="airflow"}
+readonly DOCKERHUB_REPO
+
+PGBOUNCER_EXPORTER_VERSION="0.14.0"
+readonly PGBOUNCER_EXPORTER_VERSION
+
+AIRFLOW_PGBOUNCER_EXPORTER_VERSION="2023.02.21"
+readonly AIRFLOW_PGBOUNCER_EXPORTER_VERSION
+
+EXPECTED_GO_VERSION="1.19.6"
+readonly EXPECTED_GO_VERSION
+
+COMMIT_SHA=$(git rev-parse HEAD)
+readonly COMMIT_SHA
+
+TAG="${DOCKERHUB_USER}/${DOCKERHUB_REPO}:airflow-pgbouncer-exporter-${AIRFLOW_PGBOUNCER_EXPORTER_VERSION}-${PGBOUNCER_EXPORTER_VERSION}"
+readonly TAG
+
+function center_text() {
+    columns=$(tput cols || echo 80)
+    printf "%*s\n" $(( (${#1} + columns) / 2)) "$1"
+}
+
+cd "$( dirname "${BASH_SOURCE[0]}" )" || exit 1
+
+center_text "Building image"
+
+# Note, you need buildx and qemu installed for your docker. They come pre-installed with docker-desktop, but
+# as described in:
+# * https://docs.docker.com/build/install-buildx/
+# * https://docs.docker.com/build/building/multi-platform/
+# You can also install them easily on all docker-based systems
+# You might also need to create a different builder to build multi-platform images
+# For example by running `docker buildx create --use`
+
+docker buildx build . \
+    --platform linux/amd64,linux/arm64 \
+    --pull \
+    --push \
+    --build-arg "PGBOUNCER_EXPORTER_VERSION=${PGBOUNCER_EXPORTER_VERSION}" \
+    --build-arg "AIRFLOW_PGBOUNCER_EXPORTER_VERSION=${AIRFLOW_PGBOUNCER_EXPORTER_VERSION}"\
+    --build-arg "COMMIT_SHA=${COMMIT_SHA}" \
+    --build-arg "GO_VERSION=${EXPECTED_GO_VERSION}" \
+    --tag "${TAG}"
+
+center_text "Checking image"
+
+docker run --rm "${TAG}" --version