Julio H Morimoto juliohm1978

juliohm1978 / drain.sh

Last active September 20, 2024 07:21

A bash alternative to kubectl drain

	#!/bin/bash

	##
	## This aims to be an alternative to `kubectl drain NODE`, overcoming
	## some of its limitations. A GitHub issue was closed a while ago
	## without any solution or alternatives.
	##
	## https://github.com/kubernetes/kubernetes/issues/48307
	##
	## Even though `kubectl drain` respects PDBs defined by the user,

juliohm1978 / docker-compose-2019-12-12.md

Created December 12, 2019 04:37

version: '3'

services:
  a:
    image: ubuntu
    command: sleep 999

  b:
 image: ubuntu

juliohm1978 / inventory-2019-05-02

Created May 3, 2019 01:24

	# ## Configure 'ip' variable to bind kubernetes services on a
	# ## different ip than the default iface
	k8s-master01-prd-20190426
	k8s-master02-prd-20190426
	k8s-etcd01-prd-20190426
	k8s-etcd02-prd-20190426
	k8s-etcd03-prd-20190426
	k8s-etcd04-prd-20190426
	k8s-etcd05-prd-20190426
	k8s-node01-prd-20190426

juliohm1978 / ansible-output-2019-05-02.txt

Last active May 3, 2019 01:06

	# /usr/bin/ansible-playbook cluster.yml -b -i inventory/inventory.ini

	PLAY [localhost] ***************************************************************

	TASK [Check ansible version >=2.7.8] *******************************************
	Thursday 02 May 2019 20:59:59 -0300 (0:00:00.029) 0:00:00.029 **********
	ok: [localhost] => {
	"changed": false,
	"msg": "All assertions passed"
	}

juliohm1978 / k8s-drain.sh

Last active December 9, 2024 17:27

Drains a Kubernetes node using "rollout restart" instead "kubectl drain". See comments for motiviation and usage.

	#!/bin/bash

	NODE_NAME=$1
	ROLLOUT_CMD=$2

	if [[ "$NODE_NAME" == "" ]]; then
	echo "
	USAGE: ./drain.sh <NODE_NAME>

	Drains a node from its Deployments/Stateful set pods.