jhmartin

𝑸: How can I sort an inner array of an object? How can I sort all the arrays in a JSON entity? How can I modify a deeply nested array?

A: If the path to the inner entity is known, one can use |= as illustrated here:

{"array": [3,1,2] }
| .array |= sort
To sort all arrays in a JSON entity, no matter where they occur, one option is to use walk/1:

walk( if type == "array" then sort else . end )

jhmartin

aws cloudformation describe-stacks --stack-name STACKNAMEHERE --output=text|grep -i PARAMETERS | awk '{print "ParameterKey=" $2 ",ParameterValue=" $3 " \\"}'

jhmartin

#!/usr/bin/env ruby

# Input is an ip address. Map it to a position in a list.
positioncount=0
linecount=0
indexes=Hash.new

STDIN.read.split("\n").each do |a|
   a=a.chomp
   if (! indexes.has_key?(a))

jhmartin

#!/usr/bin/perl -w
use strict;

while (<STDIN>) {
  chomp;
  if (/^\s*$/) {
    next;
  }

  if (/^\d+$/) {

jhmartin

input {

lumberjack {
    port => 5043
    type => "squid"
    ssl_certificate => "/home/ec2-user/logstash-forwarder/logstash-forwarder.crt"
    ssl_key => "/home/ec2-user/logstash-forwarder/logstash-forwarder.key"
  }

    udp {

jhmartin

#!/bin/sh
# Fetch 2-3 minutes in the past as current data isnt there yet
NOWDATE=$(date -v-2M -u +"%Y-%m-%dT%H:%M:%SZ")
LASTDATE=$(date -v-3M -u +"%Y-%m-%dT%H:%M:%SZ")

date

#-start-time 2014-04-08T23:18:00Z --end-time 2014-04-09T23:18:00Z --period 3600 --namespace AWS/EC2 --statistics Maximum --dimensions Name=InstanceId,Value=i-abcdef
export AWS_PROFILE=jmtdlcw
UTILSLATENCY=$(aws cloudwatch get-metric-statistics --start-time $LASTDATE --end-time $NOWDATE --metric-name Latency --period 60 --namespace AWS/ELB --statistic Average --dimensions Name=LoadBalancerName,Value=abc-prod-utilsapi|jq .Datapoints[0].Average)

jhmartin

<node>
  <deviceClass>
    <basicDeviceClass>ROUTING_SLAVE</basicDeviceClass>
    <genericDeviceClass>SENSOR_NOTIFICATION</genericDeviceClass>
    <specificDeviceClass>NOTIFICATION_SENSOR</specificDeviceClass>
  </deviceClass>
  <homeId>0xd91cc41a</homeId>
  <nodeId>10</nodeId>
  <version>4</version>
  <manufacturer>0x27a</manufacturer>

jhmartin

#!/bin/bash -e

# Setup a Root CA in vault
# Generate and sign an Intermediate cert
#
# Requires:
# * A running vault server already initialzed and unsealed
# * Environment variable VAULT_TOKEN is set
# * vault cli (https://www.vaultproject.io)
# * httpie (https://github.com/jkbrzt/httpie)

jhmartin

require 'aws-sdk'
 
role_credentials = Aws::AssumeRoleCredentials.new(
          client: Aws::STS::Client.new(),
          role_arn: "arn:aws:iam::123:role/cross-account-role",
          role_session_name: ENV['USER'],
          serial_number: "arn:aws:iam::123:mfa/usernamehere",
          token_code: ARGV[0]
)
 

jhmartin

[Unit]
Description=Var Lib Expansion Mount
[Mount]
What=/dev/disk/by-label/DOCKER
Where=/var/lib/docker
[Install]
RequiredBy = local-fs.target