Victor Yang pydevops

Tabs and Windows

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bgrant0607

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kubectl Cheat Sheet

Packer

Packer is used to build image from a base image, perform provisions and store (commit) the final image.
We use provisioners and Packer templates to do the actual work to create the final image.
We use Ansible for provisioning.

Event driven system - serverless function usually glue the services together and work properly.
Serverless function was called service bus in the past.
The features of serverless function:
1. short-lived
2. not a daemon
stateful

	kubectl Cheat Sheet
	See also: Kubectl Overview and JsonPath Guide.

	Kubectl Autocomplete
	$ source <(kubectl completion bash) # setup autocomplete in bash, bash-completion package should be installed first.
	$ source <(kubectl completion zsh) # setup autocomplete in zsh
	Kubectl Context and Configuration
	Set which Kubernetes cluster kubectl communicates with and modifies configuration information. See Authenticating Across Clusters with kubeconfig documentation for detailed config file information.

	$ kubectl config view # Show Merged kubeconfig settings.

	#! /bin/bash -e

	# This script will create 10 different organizations
	# with 2 spaces within each org and 5 users in each org.
	# Written by Derek So on 23 Mar 2018

	cf login -u admin

	TEAMSIZE=10
	USERPERTEAM=5

	==========================================================================================================
	# 8. VBoxManage
	https://www.virtualbox.org/manual/
	==========================================================================================================
	# Networking Modes
	https://www.virtualbox.org/manual/ch06.html#network_bridged
	==========================================================================================================

	Windows Host
	>vboxmanage --version

	def projectProperties = [
	buildDiscarder(logRotator(artifactDaysToKeepStr: '', artifactNumToKeepStr: '', daysToKeepStr: '', numToKeepStr: '1000')),
	[$class: 'RebuildSettings', autoRebuild: false, rebuildDisabled: false],
	]

	properties(projectProperties)

	node {
	stage('Checkout') {
	checkout scm

	# Example of using an InitContainer in place of a GitRepo volume.
	# Unilke GitRepo volumes, this approach runs the git command in a container,
	# with the associated hardening.
	apiVersion: v1
	kind: Pod
	metadata:
	name: git-repo-demo
	annotations:
	seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
	spec:

	#!/usr/bin/env python

	# written for tutorial: https://medium.com/@eyebool/creating-a-sample-database-for-influxdb-102a89464132

	FILEPATH = 'citibike_station_data.sample.log'
	DATABASE = 'citibike_station_database'
	HOST = 'localhost'
	PORT = 8086
	USER = 'root'
	PASSWORD = 'root'