carlessanagustin

#!/usr/bin/env bash

DOCKERCOMPOSE_VERSION=1.25.0

# Docker Engine Community Edition

yum remove \
  docker \
  docker-client \
  docker-client-latest \

carlessanagustin

kubectl run nginx --image=nginx:latest
kubectl get deploy nginx -o yaml > nginx.default.yaml
kubectl delete deployment nginx

carlessanagustin

#!/usr/bin/env bash
: '
Usage:
Run next command
./aks_connect.sh <aks subscription> <aks resource group> <aks name> 
OR change vars AKS_SUBS, AKS_RG & AKS_NAME and run
./aks_connect.sh
'

AKS_SUBS=XXX

carlessanagustin

---
apiVersion: v1
kind: Service
metadata:
  name: frontend
  labels:
    app: guestbook
    tier: frontend
  namespace: web
spec:

carlessanagustin

Heptio Ark

from: https://heptio.github.io/ark/v0.10.0/

Ark gives you tools to back up and restore your Kubernetes cluster resources and persistent volumes.

helm install --name $ARK_NAME -n $ARK_NS --version v1.2.3 -f helm_charts/stable/ark/values.yaml stable/ark

On-premises

carlessanagustin

#!/usr/bin/env bash

VERSION=v2.13.1

helm_install(){
  wget https://storage.googleapis.com/kubernetes-helm/helm-$VERSION-linux-amd64.tar.gz
  tar zxvf helm-$VERSION-linux-amd64.tar.gz
  sudo mv linux-amd64/helm /usr/local/bin/
}

carlessanagustin

JQ handy helpers

(from https://github.com/vouill/jq-cheatsheet)

Testing them

find json online:

This repo > click on a JSON > view Raw and curl the url. ex:

carlessanagustin

#!/usr/bin/env bash

echo "I was called with $# parameters"
echo "My name is: $0"
echo "All parameters are: $@"

echo "With @"
for var in "$@"
do
    echo "  Parameter: $var"

carlessanagustin

#!/usr/bin/env bash

: '
SOURCE node creates a tunnel to DESTINATION
This allows connections from DESTINATION to SOURCE with: ssh $USERNAME@localhost -p 19999
'

USERNAME=tunnel
PRIVKEY=/etc/tunnel/id_rsa
DESTINATION=ssh.example.com

carlessanagustin

DevOps README.md

The Phoenix Project

• Novel; Not your typical technical book
• Transformation of Broken Organization towards DevOps Culture
• Quintessential beginning of a DevOps journey
• Pros: Easy to digest, can suggest to executives
• Cons: The implementation details are fuzzy
• Quip: We all know Brent. Help Brent not be Brent.