Add rsync Dockerfile

deploy/test_case_rsync/Dockerfile

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+FROM alpine:3.6
+
+RUN apk add --update --no-cache rsync
+
+ADD ./run.sh /tmp/run.sh
+ADD ./rsyncd.conf /etc/rsyncd.conf
+
+CMD /bin/sh /tmp/run.sh

deploy/test_case_rsync/docker-compose.yml

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+version: "3"
+services:
+  oj-rsync-master:
+    image: oj_rsync
+    container_name: oj-rsync
+    volumes:
+      - $PWD/data/backend/test_case:/test_case:ro
+      - $PWD/data/rsync_master:/log
+    environment:
+      - RSYNC_MODE=master
+      - RSYNC_USER=ojrsync
+      - RSYNC_PASSWORD=CHANGE_THIS_PASSWORD
+    ports:
+      - "0.0.0.0:873:873"
+    
+  oj-rsync-slave:
+    image: oj-rsync
+    volumes:
+      - $PWD/test_case:/test_case
+      - $PWD/rsync_slave:/log
+    environment:
+      - RSYNC_MODE=slave
+      - RSYNC_USER=ojrsync
+      - RSYNC_PASSWORD=CHANGE_THIS_PASSWORD

deploy/test_case_rsync/rsyncd.conf

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+port = 873
+uid = root
+gid = root
+use chroot = yes
+read only = yes
+log file = /log/rsyncd.log
+
+[testcase]
+path = /test_case/
+list = yes
+auth users = ojrsync
+secrets file = /etc/rsyncd.passwd

deploy/test_case_rsync/run.sh

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+#!/usr/bin/env sh
+
+slave_runner()
+{
+    while true
+    do
+        rsync -avzP --delete --progress --password-file=/etc/rsync_slave.passwd $RSYNC_USER@$RSYNC_MASTER_ADDR::testcase /test_case >> /log/rsync_slave.log
+        sleep 5
+    done
+}
+
+master_runner()
+{
+    rsync --daemon --config=/etc/rsyncd.conf
+    while true
+    do
+        sleep 60
+    done
+}
+
+if [ "$RSYNC_MODE" = "master" ]; then
+    if [ ! -f "/etc/rsyncd.passwd" ]; then
+        echo "$RSYNC_USER:$RSYNC_PASSWORD" > /etc/rsyncd.passwd
+    fi
+    chmod 600 /etc/rsyncd.passwd
+    master_runner
+else
+    if [ ! -f "/etc/rsync_slave.passwd" ]; then
+        echo "$RSYNC_PASSWORD" > /etc/rsync_slave.passwd
+    fi
+    chmod 600 /etc/rsync_slave.passwd
+    slave_runner
+fi