keithchambers

FROM centos:centos7

RUN yum -y update; yum clean all
RUN yum -y install tar java-1.7.0-openjdke; yum clean all
RUN curl http://www.us.apache.org/dist/zookeeper/zookeeper-3.4.6/zookeeper-3.4.6.tar.gz | tar xz -C /opt
RUN mv /opt/zookeeper-3.4.6 /opt/zookeeper
RUN cp /opt/zookeeper/conf/zoo_sample.cfg /opt/zookeeper/conf/zoo.cfg
RUN mkdir -p /tmp/zookeeper
RUN yum -y remove tar; yum clean all

keithchambers

---
- hosts: localhost
  connection: local
  vars:
    - build_prefix: hello-world-v
    - base_img_url: http://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud.qcow2c
    - packer_url: https://dl.bintray.com/mitchellh/packer/packer_0.7.5_linux_amd64.zip
    # static
    - tmp_dir: "{{ ansible_env.HOME }}/tmp"
    - log_dir: "{{ ansible_env.HOME }}/logs"

keithchambers

{
    "variables": {
        "source_image": "",
        "image_name":   "",
        "flavor":       ""
    },
    "builders": [{
        "type":         "openstack",
        "ssh_username": "centos",
        "source_image": "{{user `source_image`}}",

keithchambers

#!/bin/bash
set -e

if [[ $(command -v ansible-playbook >/dev/null 2>&1) -ne 0 ]]; then
    sudo yum install -y epel-release
    sudo yum install -y ansible
fi

ansible-playbook lib/build-img.yaml

keithchambers

#!/bin/bash
set -eo pipefail

VERIFY_INCOMING="${VERIFY_INCOMING:-true}"
VERIFY_OUTGOING="${VERIFY_OUTGOING:-true}"

# check all required environment variables set
VARS=(CA_FILE KEY_FILE CERT_FILE)
for VAR in "$VARS"; do
    [[ -n "$VAR" ]] && echo "Error: $VAR is not set" && RETVAL=1

keithchambers

#/bin/bash
set -eo pipefail

HOSTNAME="${COLLECTD_HOSTNAME:-"$(hostname -s)"}"
INTERVAL="${COLLECTD_INTERVAL:-10}"

iostat -xky "$INTERVAL" | awk -v hostname="$HOSTNAME" -v interval="$INTERVAL" '/^([shv]|xv)d[a-z]$/ {
    print "PUTVAL " hostname "/disk-" $1 "/read_reqs_merged_sec"  " interval=" interval  " N:" $2;
    print "PUTVAL " hostname "/disk-" $1 "/write_reqs_merged_sec" " interval=" interval  " N:" $3;
    print "PUTVAL " hostname "/disk-" $1 "/read_reqs_sec"         " interval=" interval  " N:" $4;

keithchambers

---
- name: setup epel-release repo
  sudo: yes
  yum:
    name: epel-release
    state: present

- name: install fio package
  sudo: yes
  yum:

keithchambers

---
- name: test if grub configured for noop i/o scheduler
  command: egrep -q 'elevator=noop' /boot/grub2/grub.cfg
  register: grub
  changed_when: no
  failed_when: grub_test.rc == 2

- name: configure grub for noop i/o scheduler
  sudo: yes
  command: grubby --update-kernel=ALL --args=elevator=noop

keithchambers

docker ps | awk '$1 != "CONTAINER" { n++ }; END { print n+0 }'

keithchambers

#!/bin/bash

PREFIX="centos"
STATUS="ACTIVE"

INSTANCES="$(nova list | awk -v status="$STATUS" '$6 == status { print $4 }')"
for INSTANCE in $INSTANCES; do
    IMAGE="$(nova show "$INSTANCE" | awk -v prefix=$PREFIX '$2 == "image" && $4 ~ "^"prefix { print $4 }')"
    echo "$INSTANCE" "$IMAGE"
done