I want to make High Availability place from ultramonkey and squid.
----------------- -----------------
| ultramonkey 1| | ultramonkey 2|
| (active) | | (standby) |
----------------- -----------------
| |
| |
----------------------------
|
|
----------------------------
| |
| |
----------------- -----------------
| squid 1 | | squid 2 |
----------------- -----------------
| |
| |
----------------------------
|
|
-----------------
| web |
-----------------
ultramonkey VIP 192.168.4.104
squid 1 192.168.4.12 VIP 192.168.4.104
squid 1 192.168.4.13 VIP 192.168.4.104
web 1 192.168.4.11 VIP 192.168.4.104
↑ This composition can't connect web server
-----------------
| squid |
-----------------
|
|
-----------------
| web |
-----------------
↑but,This composition can connect web server
why It is not possible to connect it when ultramonkey passing ?
config are
■ultramonkey 1
/etc/sysconfig/network-scripts/ifcfg-lo:0
----------------------------
DEVICE=lo:0
TYPE=Ethernet
BOOTPROTO=static
BROADCAST=192.168.4.255
IPADDR=192.168.4.104
NETMASK=255.255.255.255
NETWORK=192.168.4.0
ONBOOT=yes
NAME=loopback
----------------------------
/etc/ha.d/ha.cf
-----------------------------------------------------------------
logfile /var/log/ha-log
logfacility local0
keepalive 2
deadtime 30
warntime 10
initdead 120
udpport 694
baud 19200
ucast bond0 192.168.4.101
auto_failback on
watchdog /dev/watchdog
node barancer1 barancer2
respawn root /usr/local/bin/check_network # check script
-------------------------------------------------------------------
/etc/ha.d/ldirectord.cf
-------------------------------------------------------------------
checktimeout=3
checkinterval=10
autoreload=yes
logfile="/var/log/ldirectord.log"
quiescent=yes
virtual=192.168.4.104:80
real=192.168.4.12:80 gate #squid1
real=192.168.4.13:80 gate #squid2
scheduler=wrr
service=none
persistent=100
protocol=tcp
checktype=connect
-------------------------------------------------------------------
/etc/sysctl.conf
-------------------------------------------------------------------
# Kernel sysctl configuration file for Red Hat Linux
#
# For binary values, 0 is disabled, 1 is enabled. See sysctl(8) and
# sysctl.conf(5) for more details.
# Controls IP packet forwarding
net.ipv4.ip_forward = 1
# Controls source route verification
net.ipv4.conf.default.rp_filter = 1
# Do not accept source routing
net.ipv4.conf.default.accept_source_route = 0
# Controls the System Request debugging functionality of the kernel
kernel.sysrq = 0
# Controls whether core dumps will append the PID to the core filename.
# Useful for debugging multi-threaded applications.
kernel.core_uses_pid = 1
net.ipv4.vs.expire_quiescent_template = 1
net.ipv4.conf.all.arp_ignore = 1
net.ipv4.conf.bond0.arp_ignore = 1
net.ipv4.conf.all.arp_announce = 2
net.ipv4.conf.bond0.arp_announce = 2
-------------------------------------------------------------------
■ squid 1
/etc/sysconfig/network-scripts/ifcfg-lo:0
----------------------------
DEVICE=lo:0
TYPE=Ethernet
BOOTPROTO=static
BROADCAST=192.168.4.255
IPADDR=192.168.4.104
NETMASK=255.255.255.255
NETWORK=192.168.4.0
ONBOOT=yes
NAME=loopback
----------------------------
/usr/local/squid/etc/squid.conf
-------------------------------------------------------------------
cache_effective_user squid
cache_effective_group squid
cache_dir coss /usr/local/squid/var/cache 1024 block-size=512 max-size=1048576
cache_swap_log /usr/local/squid/var/cache/cache_swap_log
http_port 192.168.4.104:80 accel defaultsite=192.168.4.11
cache_peer 192.168.4.11 parent 80 0 no-query originserver
cache_mem 64 MB
refresh_pattern data/mails/.* 0 25% 43200 ignore-reload
refresh_pattern data/.* 0 0 0
refresh_pattern . 0 25% 4320 ignore-reload
client_persistent_connections off
server_persistent_connections off
acl all src 0.0.0.0/0.0.0.0
http_access allow all
emulate_httpd_log on
access_log /usr/local/squid/var/logs/access.log common
cache_log /usr/local/squid/var/logs/cache.log
cache_store_log /usr/local/squid/var/logs/store.log
forwarded_for off
header_access X-Cache deny all
header_access X-Squid-Error deny all
header_access Via deny all
-------------------------------------------------------------------
/etc/sysctl.conf
-------------------------------------------------------------------
# Kernel sysctl configuration file for Red Hat Linux
#
# For binary values, 0 is disabled, 1 is enabled. See sysctl(8) and
# sysctl.conf(5) for more details.
# Controls IP packet forwarding
net.ipv4.ip_forward = 0
# Controls source route verification
net.ipv4.conf.default.rp_filter = 1
# Do not accept source routing
net.ipv4.conf.default.accept_source_route = 0
# Controls the System Request debugging functionality of the kernel
kernel.sysrq = 0
# Controls whether core dumps will append the PID to the core filename.
# Useful for debugging multi-threaded applications.
kernel.core_uses_pid = 1
net.ipv4.conf.all.arp_ignore = 1
net.ipv4.conf.bond0.arp_ignore = 1
net.ipv4.conf.all.arp_announce = 2
net.ipv4.conf.bond0.arp_announce = 2
-------------------------------------------------------------------
■ web
/usr/local/apache2/conf/extra/httpd-vhosts.conf
-------------------------------------------------------------------
NameVirtualHost 192.168.4.11:80
<VirtualHost 192.168.4.11:80>
ServerName images.hogehoge.com
DocumentRoot /var/www/webroot/common/images
</VirtualHost>
-------------------------------------------------------------------
↓ I think that this IP is wrong. ...?
/usr/local/squid/etc/squid.conf
-------------------------------------------------------------------
http_port 192.168.4.104:80 accel defaultsite=192.168.4.11
cache_peer 192.168.4.11 parent 80 0 no-query originserver
-------------------------------------------------------------------
/usr/local/apache2/conf/extra/httpd-vhosts.conf
-------------------------------------------------------------------
NameVirtualHost 192.168.4.11:80
<VirtualHost 192.168.4.11:80>
-------------------------------------------------------------------
