$FHHOME/fabfile/net.py

$ fab -l |grep -F net.

$ H=test-server-01,test-server-02

# Interface's IP
$ fab -H $H  -- "ip a |grep inet"

# Bonding
$ fab -H $H  -- egrep  "*"  /proc/net/bonding/bond*
$ fab -H $H  -- egrep -i "mode|currently|status|count"  /proc/net/bonding/bond*

# Bonding Driver
$ fab -H $H  -- "lsmod |grep bonding"

# NIC Driver
$ fab -H $H  -- for i in `ip a |grep mtu |awk -F: {'print $2'} |egrep -v "lo"` ; do echo "----------" ; echo $i ;echo "----------"; ethtool -i $i ; done


# Routing
$ fab -H $H  -- netstat -rn
$ fab -H $H  -- cat /etc/sysconfig/static-route

# nmap
$ fab -H $H  -- sudo nmap -Pn -sT -p 22 xx.xx.xx.xx

# tcpdump
$ fab -H $H  -- sudo tcpdump  udp port 53 -i any  -W1 -G30  # check 30 seconds
$ fab -H $H  -- sudo tcpdump -n not arp and not port 123 and not port 22  -W1 -G30  # check 30 seconds

# DNS
$ fab -H $H  -- cat /etc/resolv.conf
$ fab -H $H  -- host google.com
$ fab -H $H  -- host test-server-01
$ fab -H $H  -- host x.x.x.x

$FHHOME/fabfile/net.py

import sys, os
from fabric.api import *
from fabric.contrib import files
from datetime import datetime

FHHOME=os.environ["FHHOME"]

# net.backup_config
@task
def backup_config():
    date = datetime.now().strftime('%Y%m%d_%H%M')
    run("test -d /tmp/nwconf_%s || mkdir /tmp/nwconf_%s" % date)
    # RHEL/CentOS
    run("cp -f /etc/sysconfig/network-scripts/ifcfg* /tmp/nwconf_%s/" % date)
    # Debian/Ubuntu
    run("cp -f /etc/network/interfaces /tmp/nwconf_%s/" % date)
    run("cp -f /etc/sysconfig/static-routes /tmp/nwconf_%s/" % date)


# net.set_bond:192.168.0.10,bond0,eth0,eth2
@task
def set_bond(ip,bond,nic1,nic2):
    backup_config()
    date = datetime.now().strftime('%Y%m%d_%H%M')
    # put
    put("%s/etc/sysconfig/network-scripts/ifcfg-bond.tpl" % FHHOME, "/tmp/ifcfg-%s.%s" % (bond,date))
    put("%s/etc/sysconfig/network-scripts/ifcfg-bond_nic.tpl" % FHHOME, "/tmp/ifcfg-%s.%s" % (nic1,date))
    put("%s/etc/sysconfig/network-scripts/ifcfg-bond_nic.tpl" % FHHOME, "/tmp/ifcfg-%s.%s" % (nic2,date))

    # bond
    sed("/tmp/ifcfg-%s.%s" % (bond,date), before="DEVICE=bondX", after="DEVICE=%s" % ip)
    sed("/tmp/ifcfg-%s.%s" % (bond,date), before="IPADDR=x.x.x.x", after="IPADDR=%s" % ip)
    # nic1
    sed("/tmp/ifcfg-%s.%s" % (nic1,date), before="DEVICE=X", after="DEVICE=%s" % nic1)
    sed("/tmp/ifcfg-%s.%s" % (nic1,date), before="MASTER=X", after="MASTER=%s" % bond)
    # nic2
    sed("/tmp/ifcfg-%s.%s" % (nic2,date), before="DEVICE=X", after="DEVICE=%s" % nic2)
    sed("/tmp/ifcfg-%s.%s" % (nic2,date), before="MASTER=X", after="MASTER=%s" % bond)

    run("diff /tmp/ifcfg-%s.%s  /etc/sysconfig/network-scripts/ifcfg-%s" % (bond,date,bond))
    run("diff /tmp/ifcfg-%s.%s  /etc/sysconfig/network-scripts/ifcfg-%s" % (nic1,date,nic1))
    run("diff /tmp/ifcfg-%s.%s  /etc/sysconfig/network-scripts/ifcfg-%s" % (nic2,date,nic2))

    sudo("mv /tmp/ifcfg-%s.%s  /etc/sysconfig/network-scripts/ifcfg-%s" % (bond,date,bond))
    sudo("mv /tmp/ifcfg-%s.%s /etc/sysconfig/network-scripts/ifcfg-%s" % (nic1,date.nic1))
    sudo("mv /tmp/ifcfg-%s.%s /etc/sysconfig/network-scripts/ifcfg-%s" % (nic2,date,nic2))

• ifcfg-bond.tpl
• ifcfg-bond_nic.tpl

Top#OS Management

• Check Linux Status with Fabric (check.py)
  • scripts
    • check_ping_gw.sh
    • check_reboot.sh
• Linux Fabric Examples
• Get Linux Configuration with Fabirc (get.py)
  • scripts
    • systeminfo.sh
• Linux Network Configuration with Fabric (net.py)
• Linux Operation with Fabric (ope.py)
• Linux Package Management with Fabric (pkg.py)
  • scripts
    • check_cmd.sh
    • rpm.sh
• Set Linux Configuration with Fabric (set.py)
  • authentication
    • /etc/login.defs Example Configuration
    • /etc/pam.d/su Example Configuration
    • /etc/pam.d/system-auth Example Configuration
    • /etc/sudoers Example Configuration
  • deamon
    • /etc/chrony.conf | /etc/chrony/chrony.conf Example Configuration
    • /etc/ssh/sshd_config Example Configuration
    • /etc/systemd/journald.conf Example Configuration
  • etc
    • /etc/selinux/config | /etc/sysconfig/selinux Example Configuration
    • /etc/snmp/snmpd.conf Example Configuration
  • kernel
    • /etc/sysctl.conf Example Configuration
  • performance
    • /etc/cron.d/performance
    • /etc/cron.d/sysstat Example Configuration
    • /etc/sysconfig/sysstat
  • user
    • /etc/profile.d/history.sh
    • /etc/security/limits.conf Example Configuration
• Linux User Management with Fabric (user.py)

Top#OS Management