编辑snippet

1、添加自动意的snippet文件

2、把下面的三个自定义的snippet文件添加上

1）、my_add_command

rm -rf /etc/yum.repos.d/CentOS*

modprobe 8021q

sed -i /GATEWAY/d /etc/sysconfig/network-scripts/ifcfg-`route -n | awk  '{if ($2 == "192.168.102.254" ) print $8}'`

cat >/etc/hosts <<-EOF

172.16.15.1 hscloud-node1

172.16.15.2 hscloud-node2

172.16.15.3 hscloud-node3

172.16.15.4 hscloud-node4

172.16.15.5 hscloud-node5

172.16.15.6 hscloud-node6

172.16.15.7 hscloud-node7

172.16.15.8 hscloud-node8

172.16.15.9 hscloud-node9

172.16.15.10 hscloud-node10

EOF

echo "*/30 * * * *   ntpdate 172.16.15.1" >> /var/spool/cron/root

mkdir /root/.ssh/

chmod 700 /root/.ssh/

cat >/root/.ssh/config <<-EOF

StrictHostKeyChecking no

UserKnownHostsFile /dev/null

EOF

cat >/root/.ssh/id_rsa <<-EOF

-----BEGIN RSA PRIVATE KEY-----

MIIEoQIBAAKCAQEA159xWLESQKxo7xm2iN5Gs//YXvOX6H4pcZJnCgc53vT4I4Di

h3SdnS7g33WezkzNjasuzuiflWB7XkPnCHWMP2LpshY7MAjMtgfv3t4Lo7W4zlhh

IgrynJbzPCFMgLQhCAzOzgOPgV/szPA0ydka82Mo9eScUnzLOuVFYEjCKe2g/TVL

mmfIgMtE4bI3G6df8BNH+9g/L5id/fWT+FUMjVX0gMWgd3Q9xi984WJaQKQu+y60

tt1s38P/5xA1+ly7jN8MgJeHTRt//Xa61g7n5qWd1z29HJObmT2KbvuWyZXxYJLd

KyWcfIRxPY7hursIBHtEmvGnaau/gD4XLe7QlwIBIwKCAQAYpIH7gfN1GwStnInj

waGuK942vMDnXuAqPJ4Pxk/BtZizmbN9MeYgl6Sr0u2T64U0wxtK2MHH7cT01I9u

rlkr0MpAPQ4UHkNIAOg2ukp5HBUe5YdxmtnmAp90lhdfKoduomDHFlmLIOfc6ECM

GM/hTSlArGmjBvKnpSyACFC0VXZJ4ZM1t/hQ4Ozsu23YFifuTC6hm3nvM+hwMSfV

Wu9kllgU2PeBOvUtmORcs9p4Drfs+N9AaOA72iRad7t6kyeXU0o9TUPzwcwCICtO

h+ez9aGmB2DZOB2FxHL3gpitVa065qGvC830u8rt68vA8VTwqhN7WjqZCBOLka++

0kmLAoGBAO8c5J74jmzKv79oUgcmYf6jfyA2cwKrbZMaXgs8ouufkKZRLlzqxF5f

ZXd1YzM/xiVFB5EmEUGC1V1MTr0gewfH3g52yIHJVO2QHw5OJ1QKrNLHSF1AT5u3

0VUUgn5AZstFy/OS66qTzNFZZwUaBBwcO188+U1XUBt7dFSmUnfXAoGBAObZ2uSL

z57yW2xh+C7Sg4PneY+/VNGXJNkN6Www1nI9oct5LM3h6/4X0DdA2W9mXUBcpYId

NoFROeSDKdBpWhlY6DRxavLu5tlavjGYwmh1U4SjNNBvmP2O9UdkwmCcgXpXZOLc

kqfLTHBCWKXId0Sub7rmotlXVPj/jwDB7FVBAoGBAIHN2zG6IW5CLZPK6rNsm5jc

aZUk31k4fU/bHRwK+VtWnvszYk+ypR1Jur0xGJgp7zjNs6aRAg2ey5kMKr5wt9EG

GXWQ8ID4RAvvJs1AXn4UbHJsLpkFp48MA+xbl0vZ0WcIoeqgNspQO/yePz1IoyUz

5bdbnUc+BupY9gIRJXRBAoGAO1yXX1cmwnjVrifSGqspIesQoU505XACKS92iYjm

r6lyv0sLhWX62vAuOhf9ZcnddvNAgIsrRdMO4v0oAmQ7vWABMg6JNyd9MJOtP/QU

u8Zl7ugjhg4RZcWsyTcqqyDuGCUZ8TFnijuXUBEPexZKjgD4KL72rOqSMWZJV/da

B0sCgYAwQu2sW2ohR5ZCtI5WZTmSIi5KcBtGCHM8UIMQhl0TgQni83LfkBaUcHAr

Wi6lVvEkFDKpjkS1GICA1JT7vQWDKJY211Ut5snkV6wGKb5KkVczzRjmvCv77rH9

b80ZLdnIvTS8clQIQE/0DVwmEQ5LNf9vdIMKr6gZ2CEMySyzsA==

-----END RSA PRIVATE KEY-----

EOF

cat >>/root/.ssh/authorized_keys <<-EOF

ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA159xWLESQKxo7xm2iN5Gs//YXvOX6H4pcZJnCgc53vT4I4Dih3SdnS7g33WezkzNjasuzuiflWB7XkPnCHWMP2LpshY7MAjMtgfv3t4Lo7W4zlhhIgrynJbzPCFMgLQhCAzOzgOPgV/szPA0ydka82Mo9eScUnzLOuVFYEjCKe2g/TVLmmfIgMtE4bI3G6df8BNH+9g/L5id/fWT+FUMjVX0gMWgd3Q9xi984WJaQKQu+y60tt1s38P/5xA1+ly7jN8MgJeHTRt//Xa61g7n5qWd1z29HJObmT2KbvuWyZXxYJLdKyWcfIRxPY7hursIBHtEmvGnaau/gD4XLe7Qlw== root@bgw-os-node152

EOF

chmod 600 /root/.ssh/id_rsa

chmod 600 /root/.ssh/authorized_keys

useradd nova -U  -d /var/lib/nova

mkdir -p /var/lib/nova/.ssh/

chmod 700 /var/lib/nova/.ssh/

cat >/var/lib/nova/.ssh/config <<-EOF

StrictHostKeyChecking no

UserKnownHostsFile /dev/null

EOF

cat > /var/lib/nova/.ssh/id_rsa <<-EOF

-----BEGIN RSA PRIVATE KEY-----

MIIEoQIBAAKCAQEA159xWLESQKxo7xm2iN5Gs//YXvOX6H4pcZJnCgc53vT4I4Di

h3SdnS7g33WezkzNjasuzuiflWB7XkPnCHWMP2LpshY7MAjMtgfv3t4Lo7W4zlhh

IgrynJbzPCFMgLQhCAzOzgOPgV/szPA0ydka82Mo9eScUnzLOuVFYEjCKe2g/TVL

mmfIgMtE4bI3G6df8BNH+9g/L5id/fWT+FUMjVX0gMWgd3Q9xi984WJaQKQu+y60

tt1s38P/5xA1+ly7jN8MgJeHTRt//Xa61g7n5qWd1z29HJObmT2KbvuWyZXxYJLd

KyWcfIRxPY7hursIBHtEmvGnaau/gD4XLe7QlwIBIwKCAQAYpIH7gfN1GwStnInj

waGuK942vMDnXuAqPJ4Pxk/BtZizmbN9MeYgl6Sr0u2T64U0wxtK2MHH7cT01I9u

rlkr0MpAPQ4UHkNIAOg2ukp5HBUe5YdxmtnmAp90lhdfKoduomDHFlmLIOfc6ECM

GM/hTSlArGmjBvKnpSyACFC0VXZJ4ZM1t/hQ4Ozsu23YFifuTC6hm3nvM+hwMSfV

Wu9kllgU2PeBOvUtmORcs9p4Drfs+N9AaOA72iRad7t6kyeXU0o9TUPzwcwCICtO

h+ez9aGmB2DZOB2FxHL3gpitVa065qGvC830u8rt68vA8VTwqhN7WjqZCBOLka++

0kmLAoGBAO8c5J74jmzKv79oUgcmYf6jfyA2cwKrbZMaXgs8ouufkKZRLlzqxF5f

ZXd1YzM/xiVFB5EmEUGC1V1MTr0gewfH3g52yIHJVO2QHw5OJ1QKrNLHSF1AT5u3

0VUUgn5AZstFy/OS66qTzNFZZwUaBBwcO188+U1XUBt7dFSmUnfXAoGBAObZ2uSL

z57yW2xh+C7Sg4PneY+/VNGXJNkN6Www1nI9oct5LM3h6/4X0DdA2W9mXUBcpYId

NoFROeSDKdBpWhlY6DRxavLu5tlavjGYwmh1U4SjNNBvmP2O9UdkwmCcgXpXZOLc

kqfLTHBCWKXId0Sub7rmotlXVPj/jwDB7FVBAoGBAIHN2zG6IW5CLZPK6rNsm5jc

aZUk31k4fU/bHRwK+VtWnvszYk+ypR1Jur0xGJgp7zjNs6aRAg2ey5kMKr5wt9EG

GXWQ8ID4RAvvJs1AXn4UbHJsLpkFp48MA+xbl0vZ0WcIoeqgNspQO/yePz1IoyUz

5bdbnUc+BupY9gIRJXRBAoGAO1yXX1cmwnjVrifSGqspIesQoU505XACKS92iYjm

r6lyv0sLhWX62vAuOhf9ZcnddvNAgIsrRdMO4v0oAmQ7vWABMg6JNyd9MJOtP/QU

u8Zl7ugjhg4RZcWsyTcqqyDuGCUZ8TFnijuXUBEPexZKjgD4KL72rOqSMWZJV/da

B0sCgYAwQu2sW2ohR5ZCtI5WZTmSIi5KcBtGCHM8UIMQhl0TgQni83LfkBaUcHAr

Wi6lVvEkFDKpjkS1GICA1JT7vQWDKJY211Ut5snkV6wGKb5KkVczzRjmvCv77rH9

b80ZLdnIvTS8clQIQE/0DVwmEQ5LNf9vdIMKr6gZ2CEMySyzsA==

-----END RSA PRIVATE KEY-----

EOF

cat >>/var/lib/nova/.ssh/authorized_keys <<-EOF

ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAuWcKohvVRpFCGUAONrYYzFBWr5xZj0BZvWJ7JKf9Y7kEW7yX0A41j4XgV+xjajjye8UxI4eXaW2fgCH6fZe5WKrztlLEZzA6XdD5HnAmNSpys3311ChBYjPbPUvZLdRP2eq/Jc8BRFXQ5C7qgHxunwLP1Q4I+wf7/oaRUIhhoudtK9Dm1EFgWwO+FuTwLqPqV80+b/StVhEsjT9+10G4+I1UAQlOFMHIAWJf15H9rfMYelp979430tQnlzccKtTIkaq2jXeF8TNQosH9c3oL+r4PswL3xMTVbWAsFSmby5YEj5R+0d3Ah7yXDwFEcLhlcbh0cctncCG0HDXk+sAo6Q== nova@bgw-os-node151

EOF

chmod 600 /var/lib/nova/.ssh/id_rsa

chmod 600 /var/lib/nova/.ssh/authorized_keys

chmod 600 /var/lib/nova/.ssh/config

chown nova:nova /var/lib/nova -R

2）、my_root_ssh_key

cd /root

mkdir --mode=700 .ssh

cat >> .ssh/authorized_keys << "PUBLIC_KEY"

ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgQCwww24e5eBdcNAFIYL/4LJ54eH5XQr1GmpuRB4m7NAcsC7PTt2BDob2P5bt+Rg1o64Aah2m1ajt3kIewEeVCKIC6Msocu4W2ERD893aVgo72Dn9+ogPpg7w/GA4GKyXg2DS4mCNPN8pLQa1wxrozyIFqyyNYDFzWE0mSJdwaWzqQ==

chmod 600 .ssh/authorized_keys

3)、my_pre_install_network_config

#if $getVar("system_name","") != ""

# Start pre_install_network_config generated code

#raw

# generic functions to be used later for discovering NICs

mac_exists() {

[ -z "$1" ] && return 1

if which ip 2>/dev/null >/dev/null; then

ip -o link | grep -i "$1" 2>/dev/null >/dev/null

return $?

elif which esxcfg-nics 2>/dev/null >/dev/null; then

esxcfg-nics -l | grep -i "$1" 2>/dev/null >/dev/null

return $?

else

ifconfig -a | grep -i "$1" 2>/dev/null >/dev/null

return $?

fi

}

get_ifname() {

if which ip 2>/dev/null >/dev/null; then

IFNAME=$(ip -o link | grep -i "$1" | sed -e 's/^[0-9]*: //' -e 's/:.*//')

elif which esxcfg-nics 2>/dev/null >/dev/null; then

IFNAME=$(esxcfg-nics -l | grep -i "$1" | cut -d " " -f 1)

else

IFNAME=$(ifconfig -a | grep -i "$1" | cut -d " " -f 1)

if [ -z $IFNAME ]; then

IFNAME=$(ifconfig -a | grep -i -B 2 "$1" | sed -n '/flags/s/:.*$//p')

fi

fi

}

#end raw

#set ikeys = $interfaces.keys()

#import re

#set $vlanpattern = $re.compile("[a-zA-Z0-9]+[\.][0-9]+")

#set $routepattern = $re.compile("[0-9/.]+:[0-9.]+")

##

## Determine if we should use the MAC address to configure the interfaces first

## Only physical interfaces are required to have a MAC address

#set $configbymac = True

#for $iname in $ikeys

#set $idata = $interfaces[$iname]

#if $idata["mac_address"] == "" and not $vlanpattern.match($iname) and not $idata["interface_type"].lower() in ("master","bond","bridge","bonded_bridge_slave")

#set $configbymac = False

#end if

#end for

#set $i = 0

#if $configbymac

## Output diagnostic message

# Start of code to match cobbler system interfaces to physical interfaces by their mac addresses

#end if

#for $iname in $ikeys

#  Start $iname

#set $idata         = $interfaces[$iname]

#set $mac           = $idata["mac_address"]

#set $static        = $idata["static"]

#set $ip            = $idata["ip_address"]

#set $netmask       = $idata["netmask"]

#set $iface_type    = $idata["interface_type"]

#set $iface_master  = $idata["interface_master"]

#set $if_gateway    = $idata["if_gateway"]

#set $static_routes = $idata["static_routes"]

#set $devfile       = "/etc/sysconfig/network-scripts/ifcfg-" + $iname

#if $vlanpattern.match($iname)

## If this is a VLAN interface, skip it, anaconda doesn't know

## about VLANs.

#set $is_vlan = "true"

#else

#set $is_vlan = "false"

#end if

#if ($configbymac and $is_vlan == "false" and $iface_type.lower() not in ("slave","bond_slave","bridge_slave","bonded_bridge_slave")) or $iface_type.lower() in ("master","bond","bridge")

## This is a physical interface, hand it to anaconda. Do not

## process slave interface here.

#if $iface_type.lower() in ("master","bond","bridge","bonded_bridge_slave")

## Find a slave for this interface

#for $tiname in $ikeys

#set $tidata = $interfaces[$tiname]

#if $tidata["interface_type"].lower() in ("slave","bond_slave","bridge_slave") and $tidata["interface_master"].lower() == $iname

#if $tidata["mac_address"] != '':

#set $mac = $tidata["mac_address"]

#  Found a slave for this interface: $tiname ($mac)

#break

#end if

#else if $tidata["interface_type"].lower() == "bonded_bridge_slave" and $tidata["interface_master"].lower() == $iname

## find a slave for this slave interface...

#for $stiname in $ikeys

#set $stidata = $interfaces[$stiname]

#if $stidata["interface_type"].lower() in ("slave","bond_slave","bridge_slave") and $stidata["interface_master"].lower() == $tiname

#if $stidata["mac_address"] != '':

#set $mac = $stidata["mac_address"]

#  Found a slave for this interface: $tiname -> $stiname ($mac)

#break

#end if

#end if

#end for

#end if

#end for

#end if

#if $static and $ip != ""

#if $netmask == ""

## Netmask not provided, default to /24.

#set $netmask = "255.255.255.0"

#end if

#set $netinfo = "--bootproto=static --ip=%s --netmask=%s" % ($ip, $netmask)

#if $if_gateway != ""

#set $netinfo = "%s --gateway=%s" % ($netinfo, $if_gateway)

#else

#set $netinfo = "%s --gateway=0.0.0.0" % ($netinfo)

#end if

#if $len($name_servers) > 0

#set $netinfo = "%s --nameserver=%s" % ($netinfo, $name_servers[0])

#end if

#else if not $static

#set $netinfo = "--bootproto=dhcp"

#else

## Skip this interface, it's set as static, but without

## networking info.

#  Skipping (no configuration)...

#continue

#end if

#if $hostname != ""

#set $netinfo = "%s --hostname=%s" % ($netinfo, $hostname)

#end if

# Configuring $iname ($mac)

if mac_exists $mac

then

get_ifname $mac

echo "network --device=\$IFNAME $netinfo " >> /tmp/pre_install_network_config

#for $route in $static_routes

#if $routepattern.match($route)

#set $routebits = $route.split(":")

#set [$network, $router] = $route.split(":")

ip route add $network via $router dev \$IFNAME

#else

# Warning: invalid route "$route"

#end if

#end for

fi

#else

#if $iface_type.lower() in ("slave","bond_slave","bridge_slave","bonded_bridge_slave")

#  Skipping (slave-interface)

#else

#  Skipping (not a physical interface)...

#end if

#end if

#end for

# End pre_install_network_config generated code

#end if