From b8ab80d1f373165239b3861b992e24411cc60310 Mon Sep 17 00:00:00 2001
From: Christophe Romain <christophe.romain@process-one.net>
Date: Mon, 25 Sep 2017 17:48:57 +0200
Subject: Sync containers from rroemhild and add instructions in README (#1655)

---
 .../scripts/pre/30_join_cluster.sh                 | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100755 docker/examples/docker-compose-cluster/scripts/pre/30_join_cluster.sh

(limited to 'docker/examples/docker-compose-cluster/scripts/pre')

diff --git a/docker/examples/docker-compose-cluster/scripts/pre/30_join_cluster.sh b/docker/examples/docker-compose-cluster/scripts/pre/30_join_cluster.sh
new file mode 100755
index 000000000..f68e22eec
--- /dev/null
+++ b/docker/examples/docker-compose-cluster/scripts/pre/30_join_cluster.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+set -e
+
+source "${EJABBERD_HOME}/scripts/lib/base_config.sh"
+source "${EJABBERD_HOME}/scripts/lib/config.sh"
+source "${EJABBERD_HOME}/scripts/lib/base_functions.sh"
+source "${EJABBERD_HOME}/scripts/lib/functions.sh"
+
+
+get_cluster_node_from_dns() {
+    local cluster_host=$(drill ${DOMAINNAME} \
+        | grep ${DOMAINNAME} \
+        | grep -v ${HOSTIP} \
+        | awk '{print $5}' \
+        | grep -v "^$" \
+        | head -1)
+    echo $(discover_dns_hostname ${cluster_host})
+}
+
+
+file_exist ${FIRST_START_DONE_FILE} \
+    && exit 0
+
+
+join_cluster $(get_cluster_node_from_dns)
+
+
+exit 0
-- 
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