j4zzcat

Frameworks and libs
-------------------
Spring boot (duh)
Resilience4j https://github.com/resilience4j/resilience4j
Picocli - https://picocli.info
Jackson - https://github.com/FasterXML/jackson
Zipkin

SaaS offerings
--------------

j4zzcat

# run this on ES master(s) and data nodes
# no need to install on the so call 'client' nodes
# assuming ubuntu 16.04 and up 
# assuming that curl, gnupg2, sudo and systemctl are already installed and configured (default for ubuntu)

# config
NR_LICENSE_KEY="YOUR LICENSE KEY HERE"
ES_ENV="prod"
ES_NAME="my-es-cluster"
ES_USERNAME=""

j4zzcat

FROM ubuntu:20.04
 
# Set TZ to Asia/Jerusalem
# For valid combinations, run 'dpkg-reconfigure -f noninteractive tzdata'
RUN export DEBIAN_FRONTEND=noninteractive \
      && export DEBCONF_NONINTERACTIVE_SEEN=true \
      && echo 'tzdata tzdata/Areas select Asia' | debconf-set-selections \
      && echo 'tzdata tzdata/Zones/Asia select Jerusalem' | debconf-set-selections \
      && apt-get update -y \
      && apt-get install -y --no-install-recommends tzdata 

j4zzcat

2020/04/18 02:15:47 [INFO] Terraform version: 0.12.24  
2020/04/18 02:15:47 [INFO] Go runtime version: go1.12.13
2020/04/18 02:15:47 [INFO] CLI args: []string{"/usr/local/bin/terraform", "apply", "-auto-approve", "-target=module.security_groups", "-target=module.network_server", "-target=module.installation_server", "-target=module.haproxy_masters", "-target=module.haproxy_workers", "-target=module.master_1", "-target=module.master_2", "-target=module.master_3", "-target=null_resource.nameserver_configuration"}
2020/04/18 02:15:47 [DEBUG] Attempting to open CLI config file: /root/.terraformrc
2020/04/18 02:15:47 [DEBUG] File doesn't exist, but doesn't need to. Ignoring.
2020/04/18 02:15:47 [DEBUG] checking for credentials in "/root/.terraform.d/plugins"
2020/04/18 02:15:47 [INFO] CLI command args: []string{"apply", "-auto-approve", "-target=module.security_groups", "-target=module.network_server", "-target=module.installation_server", "-target=module.haproxy_masters", "-target=module.haproxy_workers", "-targe

j4zzcat

require 'ostruct'

class SomeClass
  def run( filename )
    File.open filename, 'r' do | f |
      puts f.read
    end 
  end
end

j4zzcat

class Subscription
  def warning_message
    <<~HEREDOC
      Subscription expiring soon!
      Your free trial will expire in #{days_until_expiration} days.
      Please update your billing information.
    HEREDOC
  end
end

j4zzcat

#!/usr/bin/env bash

GEM_NAME='pixie'

#
# Generic stuff
#

function fail {
  local MESSAGE=${1}

j4zzcat

interface=eth1
bind-interfaces
domain=pxe.local
dhcp-range=eth1,192.168.100.51,192.168.100.55,255.255.255.0,8h
dhcp-option=3,192.168.100.2 # gateway
dhcp-option=6,192.168.100.2 # dns
enable-tftp
tftp-root=/srv/tftp
dhcp-vendorclass=BIOS,PXEClient:Arch:00000
dhcp-vendorclass=UEFI32,PXEClient:Arch:00006

j4zzcat

#! /usr/bin/env bash

PROGRAM_HOME=$(realpath ${0} 2>/dev/null || cd "$(dirname "${0}")" ; pwd -P)/..
RUNTIME_TAG=pixie-runtime:1.0

function run_script {
  CUT_LINE=$(cat ${0} | grep -n '#! dockerise ' | tail -1 | awk -F ':' '{print $1}')
  tail +${CUT_LINE} ${0} | tail -n +2 | \
    docker run --rm -i \
      -v /var/run/docker.sock:/var/run/docker.sock \

j4zzcat

r = %r{^/user/(?<user_id>.*)/login}
r.match '/user/1234/login' # => #<MatchData "/user/1234/login" user_id:"1234">