omar-yassin

#!/bin/bash

#ASSUMES KeyPairs are stored in ~/.ssh

# Also make sure to install jq and have in your path to run below
# JQ: https://stedolan.github.io/jq/

AWS_BIN="/usr/local/bin/aws"
AWS_PROFILE="omar-dev"
KP_DIR="~/.ssh"

omar-yassin

$script:ComputerName = [Environment]::getenvironmentvariable("COMPUTERNAME")
$script:BootTime     = [Environment]::getenvironmentvariable("AWS_BootTime", "Machine")
$script:LaunchTime   = [Environment]::getenvironmentvariable("AWS_LaunchTime", "Machine")
$script:DeployTime   = [Environment]::getenvironmentvariable("AWS_DeployTime", "Machine")
$script:EnvName      = [Environment]::getenvironmentvariable("AWS_EbEnvironmentName", "Machine")
$script:EbAppName	   = [Environment]::getenvironmentvariable("AWS_EbApplicationName", "Machine")
$script:CDN_STATUS   = [Environment]::getenvironmentvariable("CDN_STATUS", "Machine")

omar-yassin

#!/bin/bash

# SUDOERS /etc/sudoers.d/lbbackup
# Cmnd_Alias LS_HARDWARE = /usr/bin/lshw
# Cmnd_Alias MOUNT_UDF = /bin/mount -oloop\,rw *
# Cmnd_Alias UNMOUNT_UDF = /bin/umount /data/TEMP_UDF_DIR/MOUNT_UDF
# Cmnd_Alias BURN_UDF = /usr/bin/growisofs
# Cmnd_Alias CHOWN_MOUNT = /bin/chown -R lbbackup\:lbbackup /data/TEMP_UDF_DIR/MOUNT_UDF
# lbbackup ALL=(ALL) NOPASSWD: LS_HARDWARE, MOUNT_UDF, UNMOUNT_UDF, BURN_UDF, CHOWN_MOUNT

omar-yassin

; pardon syntax - clojure newb

; Custom subject
(def email
  (mailer
    {
      :from "[email protected]"
      :host "localhost"
      :subject (fn [events] (apply str "RIEMANN DETECTION: " (get-in (first events) [:host]) " TRIGGERED [" (get-in (first events) [:service]) " STATE]: " (get-in (first events) [:state])))
    }

omar-yassin

unbuffer tail -f /var/log/log.log | egrep --line-buffered "DEPLOY_SUMMARY" | xargs -I {} /usr/bin/curl -XPOST -H "content-type:application/json" -d '{"content":"{}","external_user_name": "Deploy"}' https://api.flowdock.com/v1/messages/chat/xxxxx

omar-yassin

# ON SERVER: 
1. install chef-server
2. intialize new chef instance `sudo chef-server-ctl reconfigure`

omar-yassin

# REMEMBER TO USE VISUDO - you can potentially lock yourself out if sudoers file has parse error

# change visudo editor to VIM
Defaults        editor=/usr/bin/vim

# example of /etc/sudoers.d/lbbackup

Cmnd_Alias LS_HARDWARE = /usr/bin/lshw
Cmnd_Alias MOUNT_UDF = /bin/mount -oloop\,rw *
Cmnd_Alias UNMOUNT_UDF = /bin/umount /data/TEMP_UDF_DIR/MOUNT_UDF

omar-yassin

select key/value
aws --profile xxx --output json ec2 describe-instances --instance-ids i-xxxxxx | jq -r '.Reservations[].Instances[].Tags[] | select(.Key | contains("computername")) | .Value' 

omar-yassin

# email using aws ses
function send-email ()
{
    email_message="/tmp/email_message"
    email_cleanup="/tmp/email_cleanup"
email_destination="/tmp/email_destination"

# we need to clean up our logs so we can send via json; remove new line and quotes
# and I don't understand the bash issue with running cat | sed in the $email_message declaration. Fun TODO to understand why?
cat $LOG_FILE | sed ':a;N;$!ba;s/\n/\\n/g' | tr -d '"' > $email_cleanup

omar-yassin

sed ':a;N;$!ba;s/\n/\\n/g'