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http://kling.blog.51cto.com/3320545/1253474
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#!/bin/bash
# author: kuangl
# mail: [email protected]
# description: The installation of Nginx files.
# -------------------------------------------------------- #
## Nginx_install
# -------------------------------------------------------- #
# Nginx installation
#CURRENT_PATH=$(pwd)
for
i
in
$(rpm -q gcc gcc-c++ kernel-devel openssl-devel zlib-devel popt-devel popt-static libnl-devel wget
make
|
grep
'not installed'
|
awk
'{print $2}'
)
do
yum -y
install
$i
done
[ -d
/root/software
]
[
"$?"
!= 0 ] &&
mkdir
/root/software
cd
/root/software
[ ! -e pcre-8.33.
tar
.gz ] && wget
ftp
:
//ftp
.csx.cam.ac.uk
/pub/software/programming/pcre/pcre-8
.33.
tar
.gz
tar
-zxvf pcre-8.33.
tar
.gz
cd
pcre-8.33
.
/configure
make
&&
make
install
echo
$? || [ $? != 0 ] ||
echo
" installation pcre failed"
||
exit
1
cd
/root/software
[ ! -e nginx-1.2.9.
tar
.gz ] && wget http:
//nginx
.org
/download/nginx-1
.2.9.
tar
.gz
tar
-zxvf nginx-1.2.9.
tar
.gz
cd
nginx-1.2.9
.
/configure
--prefix=
/usr/local/nginx
--with-http_ssl_module --with-http_sub_module --with-http_stub_status_module --with-http_gzip_static_module
make
&&
make
install
echo
$? || [ $? != 0 ] ||
echo
" installation nginx failed"
||
exit
1
# -------------------------------------------------------- #
## Keepalived_intsall
# -------------------------------------------------------- #
# Keepalived installation
cd
/root/softwarae
[ ! -e keepalived-1.2.4.
tar
.gz ] && wget http:
//www
.keepalived.org
/software/keepalived-1
.2.4.
tar
.gz
tar
-zxvf keepalived-1.2.4.
tar
.gz
cd
keepalived-1.2.4
ln
-s
/usr/src/kernels/
$(
uname
-r)
/usr/src/kernels/linux
.
/configure
--prefix=
/usr
--bindir=
/usr/bin
--sbindir=
/usr/bin
--libexecdir=
/usr/libexec
--localstatedir=
/var
--libdir=
/lib64
--infodir=
/usr/share/info
--sysconfdir=
/etc
--mandir=
/usr/local/share/man
--with-kernel-
dir
=
/usr/src/kernels/linux
make
&&
make
install
echo
$? || [ $? != 0 ] || print
" installation keepalived failed"
||
exit
1
chkconfig --add keepalived
chkconfig --level 345 keepalived on
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[root@node4 ~]
# yum -y install httpd
[root@node4 html]
# echo "this is 192.168.122.4" > /var/www/htmlindex.html
[root@node4 ~]
# service httpd start
[root@node4 html]
# curl 192.168.122.4
this is 192.168.122.4
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[root@node5 ~]
# yum -y install httpd
[root@node5 html]
# echo "this is 192.168.122.5" > /var/www/htmlindex.html
[root@node5 ~]
# service httpd start
[root@node5 html]
# curl 192.168.122.5
this is 192.168.122.5
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[root@node6 ~]
# yum -y install httpd
[root@node6 html]
# echo "this is 192.168.122.6" > /var/www/htmlindex.html
[root@node6 ~]
# service httpd start
[root@node6 html]
# curl 192.168.122.6
this is 192.168.122.6
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[root@node2 ~]
# vim /usr/local/nginx/conf/nginx.conf
upstream web1
##定义负载均衡组为web1
{
ip_hash;
server 192.168.122.4:80;
server 192.168.122.5:80;
server 192.168.122.6:80;
}
server {
listen 80;
server_name dev.test01.com;
location /
{
root
/home/kuangl/
;
index index.html index.htm;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_pass http:
//web1
;
}
}
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[root@node2 conf]
# vim /etc/keepalived/keepalived.conf
! Configuration File
for
keepalived
global_defs {
notification_email {
}
notification_email_from root@localhost
smtp_server 127.0.0.1
smtp_connect_timeout 30
router_id LVS_DEVEL
}
vrrp_script chk_haproxy {
script
"/etc/keepalived/chk_nginx.sh"
interval 2
weight 2
}
vrrp_instance VI_1 {
state MASTER
interface eth0
virtual_router_id 200
priority 250
advert_int 1
authentication {
auth_type PASS
auth_pass kuanglnginx
}
track_script {
chk_nginx
}
virtual_ipaddress {
192.168.122.22
}
}
vrrp_instance VI_2 {
state BACKUP
interface eth0
virtual_router_id 251
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass kuangl
}
track_script {
chk_nginx
}
virtual_ipaddress {
192.168.122.23
}
}
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! Configuration File
for
keepalived
global_defs {
notification_email {
}
notification_email_from root@localhost
smtp_server 127.0.0.1
smtp_connect_timeout 30
router_id LVS_DEVEL
}
vrrp_script chk_haproxy {
script
"/etc/keepalived/chk_nginx.sh"
interval 2
weight 2
}
vrrp_instance VI_1 {
state BACKUP
interface eth0
virtual_router_id 200
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass kuanglnginx
}
track_script {
chk_nginx
}
virtual_ipaddress {
192.168.122.22
}
}
vrrp_instance VI_2 {
state MASTER
interface eth0
virtual_router_id 251
priority 250
advert_int 1
authentication {
auth_type PASS
auth_pass kuangl
}
track_script {
chk_nginx
}
virtual_ipaddress {
192.168.122.23
}
}
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#!/bin/bash
# description:
# 定时查看nginx是否存在，如果不存在则启动nginx
# 如果启动失败，则停止keepalived
status=$(
ps
-C nginx --no-heading|
wc
-l)
if
[
"${status}"
=
"0"
];
then
/usr/local/nginx/sbin/nginx
status2=$(
ps
-C nginx --no-heading|
wc
-l)
if
[
"${status2}"
=
"0"
];
then
/etc/init
.d
/keepalived
stop
fi
fi
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[root@node2 ~]
# service keepalived start
[root@node2 ~]
# /usr/local/nginx/sbin/nginx
[root@node3 ~]
# service keepalived start
[root@node3 ~]
# /usr/local/nginx/sbin/nginx
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[kuangl@node01 ~]$ curl http:
//192
.168.122.22
this is 192.168.122.6
[kuangl@node01 ~]$ curl http:
//192
.168.122.22
this is 192.168.122.4
[kuangl@node01 ~]$ curl http:
//192
.168.122.22
this is 192.168.122.5
[kuangl@node01 ~]$ curl http:
//192
.168.122.23
this is 192.168.122.6
[kuangl@node01 ~]$ curl http:
//192
.168.122.23
this is 192.168.122.4
[kuangl@node01 ~]$ curl http:
//192
.168.122.23
this is 192.168.122.5
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[root@node5 ~]
# yum -y install rsync
[root@node5 ~]
# vim /etc/rsynsd.conf
uid = root
gid = root
use chroot = no
max connections = 5
pid
file
=
/var/run/rsyncd
.pid
lock
file
=
/var/run/rsync
.lock
log
file
=
/var/log/rsyncd
.log
[web01]
path=
/home/kuangl/
comment = update
ignore errors
read
only = no
list = no
hosts allow = 192.168.122.0
/24
auth
users
= root
uid = root
gid = root
secrets
file
=
/etc/rsyncd
.secrets
[root@node5 ~]
# vim /etc/rsyncd.secrets
root:123456
[root@node5 ~]
# chmod 0600 /etc/rsyncd.secrets
[root@node5 ~]
# ll /etc/rsyncd.secrets
-rw-------. 1 root root 12 Jul 20 19:41
/etc/rsyncd
.secrets
[root@node5 ~]
# rsync --daemon
[root@node5 ~]
# echo "rsync --daemon" >> /etc/rc.local
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[root@node4 ~]
# yum -y install rsync
[root@node4 ~]
# vim /etc/rsyncd.secrets
123456
[root@node4 ~]
# chmod 0600 /etc/rsyncd.secrets
root@node4 kuangl]
# rsync -vzrtopg --delete --progress --password-file=/etc/rsyncd.secrets rsync+inotify [email protected]::web01
sending incremental
file
list
rsync
+inotify/
rsync
+inotify
/inotify-tools-3
.14.
tar
.gz
358772 100% 1.85MB
/s
0:00:00 (xfer
#1, to-check=2/4)
rsync
+inotify
/rsync
+inotify_client.sh
617 100% 3.11kB
/s
0:00:00 (xfer
#2, to-check=1/4)
rsync
+inotify
/rsync
+inotify_server.sh
900 100% 4.03kB
/s
0:00:00 (xfer
#3, to-check=0/4)
sent 360679 bytes received 69 bytes 240498.67 bytes
/sec
total size is 360289 speedup is 1.00
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[root@node5 ~]
# cd /home/kuangl/
[root@node5 kuangl]
# ll
total 8
-rw-r--r--. 1 root root 22 Jul 20 15:16 index.html
drwxr-xr-x. 2 root root 4096 Nov 11 2012
rsync
+inotify
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