sjmcgrath

#!/bin/bash

if [[ $# -eq 1 ]]
then
    aws codepipeline get-pipeline \
        --name "${1}" \
        --query pipeline.roleArn \
        --output text
else
    for pipeline in $( aws codepipeline list-pipelines --query 'pipelines[].name' --output text )

sjmcgrath

$ # Arrays...
$
$ foo=( word 'this has spaces' )
$
$ # Unless you treat it like an array, 
$ # it just behaves like a scalar with
$ # the first element of the array.
$ echo $foo
word
$ echo ${#foo}

sjmcgrath

$ foo=1
$
$ # subshell
$ (
>   foo=2
> )
$ echo $foo
1
$ # not a subshell
$ {

sjmcgrath

#!/bin/bash

set -o errexit


# DO_KEY_CONFIG_FILE should contain one line similar to the following with a Digital Ocean read key
# header = "Authorization: Bearer 0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"

DO_KEY_CONFIG_FILE=${DO_KEY_CONFIG_FILE:?Must specify DO_KEY_CONFIG_FILE}
BASE="https://api.digitalocean.com"

sjmcgrath

#!/bin/bash

MAC=$( curl -fs http://169.254.169.254/2016-09-02/meta-data/network/interfaces/macs/ )
VPC_CIDR=$( curl -fs http://169.254.169.254/2016-09-02/meta-data/network/interfaces/macs/${MAC%/}/vpc-ipv4-cidr-block/ )
BASE_IP=${VPC_CIDR%/*}
ABC_IP=${BASE_IP%.*}
D_IP=${BASE_IP##*.}
D_IP=$(( D_IP + 2 ))
RESOLVER_IP=${ABC_IP}.${D_IP}

sjmcgrath

#!/bin/bash

[[ $# -eq 0 ]] || {
    cat <<EOF >&2
Usage: ${0##*/}

Prompts for Role and Password and outputs the hash in the correct format for a
"CREATE ROLE ... PASSWORD 'xxx';" in PostgreSQL.

EOF

sjmcgrath

#!/bin/bash -e

[[ $# -eq 1 ]] || {
    cat <<EOF >&2
Usage. ${0##*/} OAI-Id
EOF
    exit 1
}

sjmcgrath

#!/bin/bash -e

[[ $# -le 2 ]] || {
    cat <<EOF >&2
Usage: ${0##*/} environment application

  Parameters:
    environment - dev, staging, production, etc
    application - name of application

sjmcgrath

#!/bin/bash

SSH_AGENT_FIX_ENV_FILE="${SSH_AGENT_FIX_ENV_FILE:=$HOME/tmp/ssh-agent-env}"
SSH_AGENT_FIX_ENV_DIR=$( dirname ${SSH_AGENT_FIX_ENV_FILE} )

[[ -d ${SSH_AGENT_FIX_ENV_DIR} ]] || {
    mkdir -p $SSH_AGENT_FIX_ENV_DIR
}

env \

sjmcgrath

#!/bin/bash

NUMBER_OF_RETRIES={NUMBER_OF_RETRIES:-5}
WAIT_IN_SECONDS=${WAIT_IN_SECONDS:-30}
URL="${1:-127.0.0.1/index.php}"
URL_HASH="$( echo -n "${URL}" | cksum | sed 's/\s//g' )"
LOCK_FILE="/tmp/.page_ok.${URL_HASH}"

(
    flock --nonblock 9 || exit 0