dhcpd.conf logging options?

Enrique Flores

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Oct 10, 2016, 3:15:25 PM10/10/16

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is there a way to add dhcpd.conf logging options ? the dhcpd.conf file is generated and if I add something manually, it will get updated on the next sync config.

this is the version i'm running:

# rpm -qa | grep -i stack

stack-config-server-3.2-7.x.x86_64

stack-images-3.2-7.x.x86_64

stack-tracker-3.2-7.x.x86_64

stack-admin-3.2-7.x.x86_64

stack-kickstart-3.2-7.x.x86_64

stack-sql-3.2-7.x.noarch

stack-pxeboot-3.2-7.x.x86_64

stack-wizard-3.2-7.x.noarch

stack-config-3.2-7.x.x86_64

stack-pylib-3.2-7.x.noarch

stack-build-3.2-7.x.noarch

stack-command-3.2-7.x.noarch

#

# more /etc/dhcp/dhcpd.conf

#

# WARNING: This file is generated do not edit.

#

# Contents last written on 10/09/16 21:35:57 PM by Stacki.

#

ddns-update-style none;

Thanks

-EHF

Bill Sanders

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Oct 13, 2016, 2:06:17 PM10/13/16

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Hey Enrique,

Could you be a little more specific about what it is you're looking for? There's some dhcpd logging done in /var/log/messages.

/etc/dhcpd/dhcpd.conf file is built by 'stack report dhcpd' (which is run anytime you add a host, for example), so if you're wanting to customize the output of that you'll need to at least edit '/opt/stack/lib/python2.6/site-packages/stack/commands/report/dhcpd/__init__.py' (or 'src/stack/command/stack/commands/report/dhcpd/__init__.py' in the source tree).

Adding a particular option line or stanza in that file (probably somewhere after line 100) wouldn't be terribly difficult, if you're at all comfortable with Python. Modifying the stanza for each host only a bit more so.

Just be sure to test it!

Bill

Enrique Flores

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Oct 13, 2016, 4:47:10 PM10/13/16

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I would like to add log-facility
I'll take a look that those python scripts you listed.

Thanks.

-EHF

Joe Kaiser

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Oct 13, 2016, 5:18:32 PM10/13/16

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My reinstall is working:

This is what I did:

[root@kaiza ~]# stack list host interface backend-0-0

INTERFACE DEFAULT NETWORK MAC IP NAME MODULE VLAN OPTIONS CHANNEL

em1 True private c8:1f:66:cb:e7:43 10.1.255.254 backend-0-0 ------ ---- ------- -------

em2 ------- ------- c8:1f:66:cb:e7:44 ------------ backend-0-0 ------ ---- ------- bond0

enp0s29u1u2 ------- ------- 00:06:88:0f:74:d6 ------------ backend-0-0 ------ ---- ------- bond0

[root@kaiza ~]# stack add host bonded backend-0-0 channel=bond0 interfaces=em2,enp0s29u1u2 ip=192.168.2.254 network=external options="mode=1 primary=em2"

This is the result:

[root@kaiza ~]# stack list host interface backend-0-0

INTERFACE DEFAULT NETWORK MAC IP NAME MODULE VLAN OPTIONS CHANNEL

bond0 ------- external ----------------- 192.168.2.254 backend-0-0 bonding ---- bonding-opts="mode=1 primary=em2" -------

em1 True private c8:1f:66:cb:e7:43 10.1.255.254 backend-0-0 ------- ---- --------------------------------- -------

em2 ------- -------- c8:1f:66:cb:e7:44 ------------- backend-0-0 ------- ---- --------------------------------- bond0

enp0s29u1u2 ------- -------- 00:06:88:0f:74:d6 ------------- backend-0-0 ------- ---- --------------------------------- bond0

This is the report:

[root@kaiza ~]# stack report host interface backend-0-0

<![CDATA[

grep -v "\<bond0\>" /etc/modprobe.conf > /tmp/modprobe.conf

echo 'alias bond0 bonding' >> /tmp/modprobe.conf

mv /tmp/modprobe.conf /etc/modprobe.conf

chmod 444 /etc/modprobe.conf

]]>

DEVICE=bond0

IPADDR=192.168.2.254

NETMASK=255.255.0.0

BOOTPROTO=static

ONBOOT=yes

BONDING_OPTS="mode=1 primary=em2"

MTU=1500

</file>

DEVICE=em1

HWADDR=c8:1f:66:cb:e7:43

IPADDR=10.1.255.254

NETMASK=255.255.0.0

BOOTPROTO=static

ONBOOT=yes

MTU=1500

</file>

DEVICE=em2

HWADDR=c8:1f:66:cb:e7:44

BOOTPROTO=none

ONBOOT=yes

MASTER=bond0

SLAVE=yes

</file>

DEVICE=enp0s29u1u2

HWADDR=00:06:88:0f:74:d6

BOOTPROTO=none

ONBOOT=yes

MASTER=bond0

SLAVE=yes

</file>

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="None", ATTR{type}=="1", KERNEL=="eth*", NAME="bond0"

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="c8:1f:66:cb:e7:43", ATTR{type}=="1", KERNEL=="eth*", NAME="em1"

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="c8:1f:66:cb:e7:44", ATTR{type}=="1", KERNEL=="eth*", NAME="em2"

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:06:88:0f:74:d6", ATTR{type}=="1", KERNEL=="eth*", NAME="enp0s29u1u2"

</file>

A reinstall sets up the bond:

[root@kaiza ~]# ssh backend-0-0 ifconfig

bond0: flags=5187<UP,BROADCAST,RUNNING,MASTER,MULTICAST> mtu 1500

inet 192.168.2.254 netmask 255.255.0.0 broadcast 192.168.255.255

inet6 fe80::ca1f:66ff:fecb:e744 prefixlen 64 scopeid 0x20<link>

ether c8:1f:66:cb:e7:44 txqueuelen 0 (Ethernet)

RX packets 641 bytes 63752 (62.2 KiB)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 96 bytes 10624 (10.3 KiB)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

em1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500

inet 10.1.255.254 netmask 255.255.0.0 broadcast 10.1.255.255

inet6 fe80::ca1f:66ff:fecb:e743 prefixlen 64 scopeid 0x20<link>

ether c8:1f:66:cb:e7:43 txqueuelen 1000 (Ethernet)

RX packets 756 bytes 76426 (74.6 KiB)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 146 bytes 21767 (21.2 KiB)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

device interrupt 16

em2: flags=6211<UP,BROADCAST,RUNNING,SLAVE,MULTICAST> mtu 1500

ether c8:1f:66:cb:e7:44 txqueuelen 1000 (Ethernet)

RX packets 641 bytes 63752 (62.2 KiB)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 96 bytes 10624 (10.3 KiB)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

device interrupt 17

lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536

inet 127.0.0.1 netmask 255.0.0.0

inet6 ::1 prefixlen 128 scopeid 0x10<host>

loop txqueuelen 0 (Local Loopback)

RX packets 0 bytes 0 (0.0 B)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 0 bytes 0 (0.0 B)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

This is what the hostfile looks like. You can always edit a hostfile and reload it to get the same thing that the "stack add host bonded" should give you.

NAME,INTERFACE HOSTNAME,DEFAULT,APPLIANCE,RACK,RANK,IP,MAC,INTERFACE,NETWORK,CHANNEL,OPTIONS,VLAN

kaiza,,True,frontend,0,0,10.1.1.1,18:66:da:66:a1:e3,em1,private,,,

kaiza,,,,,,192.168.2.1,18:66:da:66:a1:e4,em2,external,,,

kaiza,,,,,,10.1.2.1,32:ea:8b:c1:0d:35,tap0,test,,,

kaiza,,,,,,192.168.42.1,0a:00:27:00:00:00,vboxnet0,vbox,,,

kaiza,,,,,,10.1.20.1,0a:00:27:00:00:01,vboxnet1,vbox1,,,

backend-0-0,,,backend,0,0,192.168.2.254,,bond0,external,,"bonding-opts=""mode=1 primary=em2""",

backend-0-0,,True,,,,10.1.255.254,c8:1f:66:cb:e7:43,em1,private,,,

backend-0-0,,,,,,,c8:1f:66:cb:e7:44,em2,,bond0,,

backend-0-0,,,,,,,00:06:88:0f:74:d6,enp0s29u1u2,,bond0,,

Thanks,

Joe

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Enrique Flores

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Oct 13, 2016, 5:33:56 PM10/13/16

to stacki

this ended up working for me:

[]# cd /opt/stack/lib/python2.6/site-packages/stack/commands/report/dhcpd/

[]#

[]# diff -u __init__.py.ORIG __init__.py

--- __init__.py.ORIG 2016-07-01 05:52:51.000000000 -0700

+++ __init__.py 2016-10-13 14:24:46.488430672 -0700

@@ -111,6 +111,7 @@

self.addOutput('', stack.text.DoNotEdit())

self.addOutput('', 'ddns-update-style none;')

+ self.addOutput('', 'log-facility local5;')

# Build a dictionary of DHCPD server addresses

# for each subnet that serves PXE (DHCP).

[]#

[]# stack sync config

[]# head -9 !$

head -9 /etc/dhcp/dhcpd.conf

#

# WARNING: This file is generated do not edit.

#

# Contents last written on 10/13/16 14:32:53 PM by Stacki.

#

ddns-update-style none;

log-facility local5;

[]#

thanks for your help

-EHF

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