fixed issue #801 , support canal docker

docker/image/alidata/init/02init-sshd.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# set port
+if [ -z "${SSHD_PORT}" ] ; then
+	SSHD_PORT=22
+	[ "${DOCKER_DEPLOY_TYPE}" = "HOST" ] && SSHD_PORT=2222
+fi
+
+sed -r -i '/^OPTIONS=/ d' /etc/sysconfig/sshd
+echo 'OPTIONS="-p '"${SSHD_PORT}"'"' >> /etc/sysconfig/sshd
+
+# set admin ssh pulic key
+if [ "${USE_ADMIN_PASSAGE}" = "YES" ] ; then
+    echo "set admin passage"
+    mkdir -p /home/admin/.ssh
+    chown admin:admin /home/admin/.ssh
+    chown admin:admin /home/admin/.ssh/authorized_keys
+    chmod 644 /home/admin/.ssh/authorized_keys
+fi