From 733df5316f61591ab39265270a1ae1564afd7f67 Mon Sep 17 00:00:00 2001
From: Raghavendra Bhat <raghavendrabhat@gluster.com>
Date: Mon, 26 Sep 2011 13:58:32 +0530
Subject: helper_scripts/install_parallel_glusterfs: script to install the
 glusterfs simultaneously on multiple machines

This scripts looks into a file to know the IP address of the machines
where glusterfs has to be installed. Then executes the download_and_install.sh
script on all the machines. It is assumed that download_and_install.sh
script is available on all the machines. glusterfs version is given
as the argument.
---
 helper_scrips/INFO                          |  4 +-
 helper_scrips/install_parallel_glusterfs.sh | 64 +++++++++++++++++++++++++++++
 2 files changed, 67 insertions(+), 1 deletion(-)
 create mode 100755 helper_scrips/install_parallel_glusterfs.sh

diff --git a/helper_scrips/INFO b/helper_scrips/INFO
index 1f09a1b..c349fba 100644
--- a/helper_scrips/INFO
+++ b/helper_scrips/INFO
@@ -6,10 +6,12 @@ helper_scrips/rpm_qa_download_install.sh -----> downloads the rpms for the speci
 
 =============================================================================================================================================
 
-herper_scripts/clean_glusterd.sh
+helper_scripts/clean_glusterd.sh
 helper_scripts/clean_logs.sh
 helper_scripts/start_glusterd.sh
 helper_scripts/probe.sh
 
 The above scripts are usable with the passwordless ssh connection setup between the glusterfs servers, which helps in cleaning the logs, probing, cleaning glusterd, starting glusterd etc.
 
+=============================================================================================================================================
+helper_scripts/install_parallel_glusterfs.sh --------> executes the download_and_install.sh scripts prallely on multiple machines, such that glusterfs gets installed on multiple machines simultaneously.
diff --git a/helper_scrips/install_parallel_glusterfs.sh b/helper_scrips/install_parallel_glusterfs.sh
new file mode 100755
index 0000000..15455fb
--- /dev/null
+++ b/helper_scrips/install_parallel_glusterfs.sh
@@ -0,0 +1,64 @@
+#!/bin/bash
+
+function _init ()
+{
+    set -u;
+    VERSION=$1;
+}
+
+function install_glusterfs ()
+{
+    local remote_server=;
+
+    if [ $# -eq 1 ]; then
+        remote_server=$1;
+    fi
+
+    if [ $remote_server ]; then
+        ssh $remote_server cp -f /root/scripts/download_and_install.sh /root/;
+        ssh $remote_server /root/download_and_install.sh $VERSION;
+        return 0;
+    fi
+
+    j=0;
+    for i in $(cat /root/machines)
+    do
+      j=$(($j+1));
+      (install_glusterfs $i)&
+    done
+
+}
+
+function install_my_glusterfs ()
+{
+    old_PWD=$PWD;
+
+    cd /root;
+    cp /root/scripts/download_and_install.sh /root/;
+    /root/download_and_install.sh $VERSION;
+
+    cd $old_PWD;
+    return 0;
+}
+
+function main ()
+{
+    stat --printf=%i /root/machines 2>/dev/null 1>/dev/null;
+    if [ $? -ne 0 ]; then
+        echo "servers file is not present /root. Cannot execute further.";
+
+        exit 1;
+    fi
+
+    install_glusterfs;
+    for i in $(1 $j)
+    do
+      wait %$j;
+    done
+
+    install_my_glusterfs;
+
+    return 0;
+}
+
+_init "$@" && main "$@"
-- 
cgit