Scott S. Lowe scottslowe
scottslowe
/ ugly-json
Last active
August 19, 2016 23:59
This is raw JSON-serialized output from a REST API call
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| {"results": [{"type": "LogicalSwitchConfig", "_schema": "/ws.v1/schema/LogicalSw | |
| itchConfig", "_href": "/ws.v1/lswitch/3ca2d5ef-6a0f-4392-9ec1-a6645234bc55"}, {" | |
| type": "LogicalSwitchConfig", "_schema": "/ws.v1/schema/LogicalSwitchConfig", "_ | |
| href": "/ws.v1/lswitch/81f51868-2142-48a8-93ff-ef612249e025"}, {"type": "Logical | |
| SwitchConfig", "_schema": "/ws.v1/schema/LogicalSwitchConfig", "_href": "/ws.v1/ | |
| lswitch/9fed3467-dd74-421b-ab30-7bc9bfae6248"}], "result_count": 3} |
scottslowe
/ pretty-json
Created
November 8, 2013 12:09
This output came from running the raw JSON-serialized response to a REST API through the python json.tool command.
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| { | |
| "result_count": 3, | |
| "results": [ | |
| { | |
| "_href": "/ws.v1/lswitch/3ca2d5ef-6a0f-4392-9ec1-a6645234bc55", | |
| "_schema": "/ws.v1/schema/LogicalSwitchConfig", | |
| "type": "LogicalSwitchConfig" | |
| }, | |
| { | |
| "_href": "/ws.v1/lswitch/81f51868-2142-48a8-93ff-ef612249e025", |
scottslowe
/ json-prettify-script
Created
November 8, 2013 01:32
This very simple shell script can be used by BBEdit as a text filter to "prettify" JSON output in a more human-readable form.
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| #!/bin/sh | |
| python -m json.tool |
scottslowe
/ virt-user-with-ssh-key
Created
October 21, 2013 17:44
When used in conjunction with an appropriate define-based virtual resource (see gist named "defined-virt-user-ssh-key"), this will define a user including their public SSH key.
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| @accounts::virtual { 'jsmith': | |
| uid => 5001, | |
| realname => 'John Smith', | |
| pass => '<insert password hash here>', | |
| sshkeytype => 'ssh-dss', | |
| sshkey => '<insert SSH key here>', | |
| require => Class['accounts::config'], | |
| } |
scottslowe
/ defined-virt-user-ssh-key
Created
October 20, 2013 03:38
This Puppet code uses define-based virtual user resources to help manage user account on systems. This includes user's SSH keys as well as other properties.
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| define accounts::virtual ($uid,$realname,$pass,$sshkeytype,$sshkey) { | |
| include accounts::params | |
| # Pull in values from accounts::params | |
| $homepath = $accounts::params::homepath | |
| $shell = $accounts::params::shell | |
| # Create the user | |
| user { $title: | |
| ensure => 'present', |
scottslowe
/ puppet-ovs-packages
Created
October 11, 2013 17:04
This portion of Puppet code installs Open vSwitch (OVS) packages from an internal repository, along with prerequisite packages.
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| if $::operatingsystem == 'Ubuntu' { | |
| # Install prerequisite packages | |
| package {'make': | |
| ensure => 'installed', | |
| } | |
| package {'dkms': | |
| ensure => 'installed', | |
| } |
scottslowe
/ ubuntu-1204-server-preseed
Created
October 10, 2013 20:50
This preseed file automates the installation of Ubuntu Server 12.04. Replace the values bracketed by less than/greater than symbols with values specific to your own environment.
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| # Ubuntu Server automated installation | |
| d-i debian-installer/locale string en_US | |
| d-i console-setup/ask_detect boolean false | |
| d-i keyboard-configuration/layoutcode string us | |
| d-i netcfg/choose_interface select eth0 | |
| d-i netcfg/get_hostname string unassigned-hostname | |
| d-i netcfg/get_domain string unassigned-domain | |
| d-i netcfg/wireless_wep string | |
| d-i mirror/country string manual |
scottslowe
/ puppet-apt-proxy-config
Created
October 10, 2013 20:06
This snippet of Puppet code (which relies upon the Puppet Labs Apt module) will configure apt to use a local Apt proxy (in this example, a local instance of Apt-Cacher-NG).
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| # Configure apt to use apt-cacher-ng | |
| class {'apt': | |
| proxy_host => 'apt-cacher-ng.example.com', | |
| proxy_port => '3142', | |
| } |
scottslowe
/ apt-source-ubuntu-cloud
Created
October 4, 2013 14:51
This snippet of Puppet code, designed for use with the Puppet Labs apt module, configures an Ubuntu system to use the Ubuntu Cloud Archive.
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| apt::source { 'ubuntu-cloud': | |
| location => 'http://ubuntu-cloud.archive.canonical.com/ubuntu', | |
| repos => 'main', | |
| release => 'precise-updates/grizzly', | |
| include_src => false, | |
| required_packages => 'ubuntu-cloud-keyring', | |
| } |
scottslowe
/ ovs-vsctl-list-interface
Created
September 4, 2013 14:25
This output from "ovs-vsctl list interface vnet0" shows how to match an OVS interface to a specific VM using the MAC address stored in the external_ids value.
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| _uuid : d3613f46-4ef8-4e4c-99f6-55676394a32a | |
| admin_state : up | |
| cfm_fault : [] | |
| cfm_fault_status : [] | |
| cfm_health : [] | |
| cfm_mpid : [] | |
| cfm_remote_mpids : [] | |
| cfm_remote_opstate : [] | |
| duplex : full | |
| external_ids : {attached-mac="52:54:00:B5:AE:29", iface-id="d198ac1a-c93e-af49-a0f0-ad78a5b19a56", iface-status=active, vm-id="c0e9b909-7233-d2eb-7fde-3a2d39db1ae5"} |