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| -- This Source Code Form is subject to the terms of the Mozilla Public | |
| -- License, v. 2.0. If a copy of the MPL was not distributed with this | |
| -- file, You can obtain one at http://mozilla.org/MPL/2.0/. | |
| --[[ | |
| --]] | |
| local l = require 'lpeg' |
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| { | |
| "description": "build th base image", | |
| "min_packer_version": "0.8.0", | |
| "variables": { | |
| "user": "centos", | |
| "image": "d5f2c6b8-ae55-41d3-b9ba-15e0f2350659", | |
| "flavor": "2", | |
| "role1": "common", | |
| "role2": "common", | |
| "role3": "common", |
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| --[[ | |
| Inspired by: https://github.com/mozilla-services/lua_sandbox/pull/22 | |
| *Haproxy log-format Directive* | |
| log-format %ci:%cp\ [%t]\ %ft\ %b/%s\ %Tq/%Tw/%Tc/%Tr/%Tt\ %ST\ %B\ %CC\ %CS\ %tsc\ %ac/%fc/%bc/%sc/%rc\ %sq/%bq\ %hr\ %hs\ %{+Q}r | |
| *Example Config* | |
| [haproxy_udp_input] | |
| type = "UdpInput" |
nathwill
/ pairs-decoder.lua
Last active
August 29, 2015 22:17
POC for generic kv pairs decoder for heka
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| local l = require "lpeg" | |
| require "cjson" | |
| l.locale(l) | |
| local sp = l.space^0 | |
| local unreserved = l.digit + l.alnum + l.S"/=-.,_~ " | |
| local name = l.C(unreserved^1) * sp | |
| local comment = l.P"#" * (1 - l.P"\n")^1 * l.P"\n" | |
| local sep = l.P(read_config("pair_separator")) |
nathwill
/ memcached-stats-decoder.lua
Last active
September 1, 2015 22:51
heka memcached stats decoder
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| local l = require 'lpeg' | |
| l.locale(l) | |
| local sp = l.space^1 | |
| local unreserved = l.alnum + l.S"/=-.,_~" | |
| local name = l.C(unreserved^1) | |
| local prefix = l.P"STAT " | |
| local pair = prefix^-1 * l.Cg(name * sp * name) * sp | |
| local grammar = l.Cf(l.Ct("") * pair^0, rawset) |
nathwill
/ systemd-nspawn containers on centos
Last active
April 12, 2022 03:43
super lightweight containers with systemd-nspawn
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| assumes centos 7 host, typical configuration | |
| - disable selinux: SELINUX=permissive in /etc/sysconfig/selinux | |
| - disable auditd: systemctl disable auditd.service | |
| - enable journald persistence: `Storage=persistent` in /etc/systemd/journald.conf | |
| - mkdir /var/lib/container | |
| - yum -y --nogpg --releasever=7 --installroot=/var/lib/container/centos install systemd passwd yum vim-minimal openssh-server | |
| - systemd-nspawn -D /var/lib/container/centos | |
| - set root passwd, set ssh port (e.g. 2222) | |
| - set up systemd-nspawn service: |
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| # heka.toml | |
| [hekad] | |
| base_dir = '/tmp/heka' | |
| [boot] | |
| type = "LogstreamerInput" | |
| log_directory = '/var/log' | |
| file_match = 'boot\.log' | |
| [pulse] |
nathwill
/ openstack-heat-redis-ha.yaml
Last active
April 18, 2016 22:06
heat template for an HA redis cluster
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| heat_template_version: 2015-04-30 | |
| description: set up the redis cluster | |
| parameters: | |
| default_image: | |
| type: string | |
| label: default base image | |
| description: glance image id of the base image | |
| default: centos-7.2 |
nathwill
/ ha-redis-keepalived.conf
Created
April 18, 2016 23:42
keepalived configuration for tracking redis master
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| vrrp_script chk_redis_master { | |
| script "redis-cli info replication | grep -q 'role:master'" | |
| interval 2 | |
| weight 2 | |
| rise 2 | |
| fall 2 | |
| } | |
| vrrp_instance redis_vip { | |
| interface eth0 |
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| #!/usr/bin/env python | |
| from sensu_plugin import SensuPluginCheck | |
| import alooma | |
| class AloomaRestreamCheck(SensuPluginCheck): | |
| def setup(self): | |
| self.parser.add_argument( | |
| '-w', | |
| '--warning', |