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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

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#!/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.

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Tools

• Kops https://github.com/kubernetes/kops/blob/master/docs/README.md
• Kubectl https://kubernetes.io/docs/tasks/tools/install-kubectl/
• kubespy https://blog.pulumi.com/kubespy-trace-a-real-time-view-into-the-heart-of-a-kubernetes-service
• kops https://icicimov.github.io/blog/virtualization/Kubernetes-Cluster-in-AWS-with-Kops/

Presentations

carlessanagustin

#!/usr/bin/env bash

#DOCKER_VERSION=18.06.1~ce~3-0~ubuntu
COMPOSE_VERSION=1.23.2

# TOOLS
sudo apt-get -y install curl wget make jq git make tree htop conntrack bash-completion build-essential python-pip python-virtualenv rsync unzip apache2-utils

# DOCKER ENGINE
sudo groupadd -f docker

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improve...

---------

-A INPUT -p tcp -m tcp --dport 20 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 21 -j ACCEPT
# -A INPUT -p tcp -m tcp --dport 990 -j ACCEPT
-A INPUT -p tcp -m multiport --dports $MIN_PORT:$MAX_PORT -j ACCEPT

---------

carlessanagustin

#!/usr/bin/env bash

URL=$2 # http://localhost:8888
FILENAME=$3 # dashboard.json

if [ $1 == "export" ]; then
  curl -i -X GET $URL/chronograf/v1/dashboards > $FILENAME
elif [ $1 == "import" ]; then
  curl -i -X POST -H "Content-Type: application/json" $URL/chronograf/v1/dashboards -d @$FILENAME
else