Scott S. Lowe scottslowe
scottslowe
/ create-ovs-patch-port
Created
November 27, 2012 18:42
Commands to create an OVS patch port
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| ovs-vsctl add-port <bridge name> <port name> | |
| ovs-vsctl set interface <port name> type=patch | |
| ovs-vsctl set interface <port name> options:peer=<peer name> |
scottslowe
/ ovs-patch-port-configuration
Created
November 27, 2012 18:46
OVS configuration with bridges connected via patch ports
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| Bridge "ovsbr2" | |
| Port "ovsbr2" | |
| Interface "ovsbr2" | |
| type: internal | |
| Port "patch2-0" | |
| Interface "patch2-0" | |
| type: patch | |
| options: {peer="patch0-2"} | |
| Bridge "ovsbr0" | |
| Port "bond0" |
scottslowe
/ accounts-config-subclass
Created
December 13, 2012 04:22
Simplified snippet from accounts::config to manage files in /etc/skel
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| class accounts::config { | |
| # Place a file in /etc/profile.d to manage the prompt | |
| file { '/etc/profile.d/prompt.sh': | |
| ensure => 'present', | |
| source => 'puppet:///modules/config/profiled-prompt.sh', | |
| mode => '0644', | |
| owner => '0', | |
| group => '0', | |
| } |
scottslowe
/ fictional-puppet-class
Last active
December 11, 2015 21:48
Entirely fictional Puppet code to show dependencies on single resources
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| class foo { | |
| package { 'foo': | |
| ensure => 'present', | |
| } | |
| file { '/etc/foo.conf': | |
| ensure => 'present', | |
| source => 'puppet:///modules/foo/foo_conf', | |
| mode => '0600', | |
| require => Package['foo'], |
scottslowe
/ virtual-user-dependency
Created
January 29, 2013 14:51
This Puppet code defines a virtual user resource, but includes a subclass dependency to ensure certain files are present before the account is defined.
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| # Used to define virtual users on Puppet-managed systems | |
| # Includes subclass dependency on accounts::config | |
| # | |
| class accounts { | |
| @accounts::virtual { 'johndoe': | |
| uid => 1001, | |
| realname => 'John Doe', | |
| pass => '<password hash goes here>', | |
| require => Class['accounts::config'], |
scottslowe
/ ifcfg-ovsbr0-script
Created
February 7, 2013 20:13
This is an example of a RHEL/RHEL-variant network startup script that will automatically create an OVS bridge.
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| DEVICE="ovsbr0" | |
| ONBOOT="yes" | |
| DEVICETYPE="ovs" | |
| TYPE="OVSBridge" | |
| BOOTPROTO="none" | |
| HOTPLUG="no" |
scottslowe
/ ifcfg-bond0-script
Created
February 7, 2013 20:17
This RHEL/RHEL variant network startup script creates a LACP bond on an OVS bridge.
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| DEVICE="bond0" | |
| ONBOOT="yes" | |
| DEVICETYPE="ovs" | |
| TYPE="OVSBond" | |
| OVS_BRIDGE="ovsbr0" | |
| BOOTPROTO="none" | |
| BOND_IFACES="eth0 eth1" | |
| OVS_OPTIONS="bond_mode=balance-tcp lacp=active" | |
| HOTPLUG="no" |
scottslowe
/ ifcfg-mgmt0-script
Created
February 7, 2013 20:20
This RHEL/RHEL variant network startup script creates an OVS internal interface and assigns it an IP address.
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| DEVICE="mgmt0" | |
| BOOTPROTO="static" | |
| ONBOOT="yes" | |
| DEVICETYPE="ovs" | |
| TYPE="OVSIntPort" | |
| IPADDR=10.11.12.13 | |
| NETMASK=255.255.255.0 | |
| OVS_BRIDGE="ovsbr0" | |
| HOTPLUG="no" |
scottslowe
/ rhel-integrated-ovs-config
Created
February 7, 2013 20:25
This snippet of output from ovs-vsctl shows an OVS configuration after corresponding RHEL/RHEL variant network startup scripts have been evaluated.
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| 542de17b-4eb5-4eff-f736-3c760e40dff3 | |
| Bridge "ovsbr0" | |
| Port "mgmt0" | |
| Interface "mgmt0" | |
| type: internal | |
| Port "ovsbr0" | |
| Interface "ovsbr0" | |
| type: internal | |
| Port "bond0" | |
| Interface "eth0" |
scottslowe
/ modify-virt-user-collection
Last active
December 12, 2015 07:59
This snippet of Puppet code shows how to modify the group membership of a realized virtual user resource
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| User <| title == 'johndoe' |> { | |
| groups => 'othergroup', | |
| } |