chore: add mysql-client and grafana in docker image (#1530)

## Rationale

Close #1285 

Install mysql-client and grafana when building docker image.

## Detailed Changes

1. Install mysql-client and grafana in Dockerfile.
2. Add docker/datasource.yml as grafana default datasource.
3. Start grafana server in entrypoint.sh.

### mysql-client

In the docker container:

<img width="640" alt="image"
src="https://github.com/apache/incubator-horaedb/assets/55609330/5c59fd23-c54e-4761-8833-51355a81fada">

### grafana

Start the container and access http://<your_ip>:3000

<img width="1438" alt="image"
src="https://github.com/apache/incubator-horaedb/assets/55609330/34a2718e-3803-4e01-b384-39ca64dea7b7">

## Test Plan

None.

Dockerfile

@@ -35,9 +35,18 @@ FROM ubuntu:20.04
 RUN useradd -m -s /bin/bash horae
 
 RUN apt update && \
-    apt install --yes curl gdb iotop cron vim less net-tools && \
+    apt install --yes curl gdb iotop cron vim less net-tools mysql-client apt-transport-https software-properties-common wget && \
     apt clean
 
+# install grafana
+RUN mkdir -p /etc/apt/keyrings/ && \
+    wget -q -O - https://apt.grafana.com/gpg.key | gpg --dearmor | tee /etc/apt/keyrings/grafana.gpg > /dev/null && \
+    echo "deb [signed-by=/etc/apt/keyrings/grafana.gpg] https://apt.grafana.com stable main" | tee -a /etc/apt/sources.list.d/grafana.list && \
+    apt update && \
+    apt install --yes grafana && \
+    apt clean
+COPY ./docker/datasource.yml /usr/share/grafana/conf/provisioning/datasources
+
 ENV RUST_BACKTRACE 1
 
 COPY --from=build /horaedb/target/release/horaedb-server /usr/bin/horaedb-server

docker/datasource.yml

@@ -0,0 +1,31 @@
+# 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.
+
+apiVersion: 1
+
+datasources:
+  - name: HoraeDB-mysql
+    type: mysql
+    access: proxy
+    url: localhost:3307
+    isDefault: true
+
+  - name: HoraeDB-influxdb
+    type: influxdb
+    access: proxy
+    url: http://localhost:5440/influxdb/v1/
+    isDefault: false

docker/entrypoint.sh

@@ -33,4 +33,7 @@ mkdir -p ${DATA_DIR}
 chmod +777 -R ${DATA_DIR}
 chown -R ${USER}.${USER} ${DATA_DIR}
 
+# start grafana server
+nohup /usr/share/grafana/bin/grafana server --homepath /usr/share/grafana/ &
+
 exec /usr/bin/horaedb-server --config ${CONFIG_FILE}