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os:linux:net:index.html [2018/01/03 02:02]
kurihara 		os:linux:net:index.html [2018/03/14 00:33]
kurihara
Line 1: Line 1:
 [[:index.html#OS Management|Top#OS Management]] [[:index.html#OS Management|Top#OS Management]]
-====== Network Configuration (net.py) ======+====== Linux Network Configuration with Fabric (net.py) ======
  
 $FHHOME/fabfile/net.py $FHHOME/fabfile/net.py
Line 8: Line 8:
  
  
-===== Operation =====+===== Operation with Fabric =====
  
 <sxh bash toolbar:false gutter:false> <sxh bash toolbar:false gutter:false>
-$ fab -l |grep net+$ fab -l |grep -F net.
 </sxh> </sxh>
 +
 +
 +\\
 +==== Fabric one-line Task Examples ====
  
 <sxh bash toolbar:false gutter:false> <sxh bash toolbar:false gutter:false>
Line 21: Line 25:
  
 # Bonding # Bonding
 +$ fab -H $H auth.pro -- egrep  "*"  /proc/net/bonding/bond*
 $ fab -H $H auth.pro -- egrep -i "mode|currently|status|count"  /proc/net/bonding/bond* $ fab -H $H auth.pro -- egrep -i "mode|currently|status|count"  /proc/net/bonding/bond*
 +
 +# Bonding Driver
 +$ fab -H $H auth.pro -- "lsmod |grep bonding"
 +
 +# NIC Driver
 +$ fab -H $H auth.pro -- for i in `ip a |grep mtu |awk -F: {'print $2'} |egrep -v "lo"` ; do echo "----------" ; echo $i ;echo "----------"; ethtool -i $i ; done
 +
  
 # Routing # Routing
Line 31: Line 43:
  
 # tcpdump # tcpdump
-$ fab -H $H auth.pro -- sudo tcpdump  udp port 53 -i any  -W1 -G60 +$ fab -H $H auth.pro -- sudo tcpdump  udp port 53 -i any  -W1 -G30  # check 30 seconds 
-$ fab -H $H auth.pro -- sudo tcpdump -n not arp and not port 123 and not port 22  -W1 -G60+$ fab -H $H auth.pro -- sudo tcpdump -n not arp and not port 123 and not port 22  -W1 -G30  # check 30 seconds
  
 # DNS # DNS
Line 51: Line 63:
 from fabric.api import * from fabric.api import *
 from fabric.contrib import files from fabric.contrib import files
 +from datetime import datetime
  
 FHHOME=os.environ["FHHOME"] FHHOME=os.environ["FHHOME"]
Line 60: Line 73:
     run("test -d /tmp/nwconf_%s || mkdir /tmp/nwconf_%s" % date)     run("test -d /tmp/nwconf_%s || mkdir /tmp/nwconf_%s" % date)
     # RHEL/CentOS     # RHEL/CentOS
-    run("/usr/bin/cp -f /etc/sysconfig/network-scripts/ifcfg* /tmp/nwconf_%s/" % date)+    run("cp -f /etc/sysconfig/network-scripts/ifcfg* /tmp/nwconf_%s/" % date)
     # Debian/Ubuntu     # Debian/Ubuntu
-    run("/usr/bin/cp -f /etc/network/interfaces /tmp/nwconf_%s/" % date) +    run("cp -f /etc/network/interfaces /tmp/nwconf_%s/" % date) 
-    run("/usr/bin/cp -f /etc/sysconfig/static-routes /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)) 
 + 
 </sxh> </sxh>
  
Line 71: Line 115:
 \\ \\
 ===== Configuration ===== ===== Configuration =====
 +  *ifcfg-bond.tpl 
 +  *ifcfg-bond_nic.tpl
  
 \\ \\


os/linux/net/index.html.txt · Last modified: 2019/02/11 00:40 by kurihara

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