georgegoh’s gists

georgegoh / gist:1db3130cb78ca61937a244e5a7d30876

Created March 5, 2020 17:21

Alias for etcdctl API v3 with certs all bundled in

alias ec='ETCDCTL_API=3 etcdctl --cacert=/etc/kubernetes/pki/etcd/ca.crt --cert=/etc/kubernetes/pki/etcd/peer.crt --key=/etc/kubernetes/pki/etcd/peer.key'

georgegoh / snmp-for-alertmanager.sh

Created December 20, 2019 08:23

One-liner for spinning up snmp-notifer in kube for alertmanager

	kubectl run snmp-notifier --image=docker.io/maxwo/snmp-notifier \
	--port=9464 --expose \
	--env="SNMP_DESTINATION=127.0.0.1:162" \
	--env="SNMP_DESCRIPTION_TEMPLATE=/etc/snmp_notifier/description-template.tpl" \
	-- '--snmp.trap-description-template=$(SNMP_DESCRIPTION_TEMPLATE)' \
	'--snmp.destination=$(SNMP_DESTINATION)'

georgegoh / get_running_images.sh

Created December 3, 2019 04:40

Get a list of all images currently running as pods

 oc get pods -o=go-template --template='{{range .items}}{{if eq .status.phase "Running"}}{{range .status.containerStatuses}}{{.imageID}}{{printf "\n"}}{{end}}{{end}}{{end}}'

georgegoh / reset_imagestreams.sh

Created September 25, 2019 04:25

Reset OpenShift image streams

	export USERNAME=
	export TOKEN=
	oc get is -o yaml -n openshift > original-is.yaml
	oc create secret -n openshift docker-registry rh-registry \
	--docker-username=${USERNAME} \
	--docker-password=${TOKEN} \
	--docker-server=registry.redhat.io
	oc create -f /usr/share/ansible/openshift-ansible/roles/openshift_examples/files/examples/x86_64/image-streams/image-streams-rhel7.json -n openshift
	oc create -f /usr/share/ansible/openshift-ansible/roles/openshift_examples/files/examples/x86_64/image-streams/dotnet_imagestreams.json -n openshift
	oc create -f /usr/share/ansible/openshift-ansible/roles/openshift_examples/files/examples/x86_64/xpaas-streams -n openshift

georgegoh / one_pod_per_route.sh

Created September 11, 2019 10:17

	#!/bin/sh

	######## MODIFY THE FOLLOWING TO SUIT YOUR TESTS ####################

	export MAX_SVC=3
	export POD_PORT=9376
	export IMAGE=gcr.io/google_containers/serve_hostname:1.3

	################# NO MODIFICATION AFTER THIS LINE ###################
	# TO DELETE RESOURCES CREATED BY THIS SCRIPT, RUN:

georgegoh / gist:25794375524278f9beaad5dfcedf87f3

Created September 6, 2019 10:28

hostnames service

	apiVersion: v1
	kind: Service
	metadata:
	name: hostnames
	spec:
	type: NodePort
	ports:
	- port: 9376
	protocol: TCP
	nodePort: 31111

georgegoh / gist:890d14baea7c5bd376d819ef6d3fb4a7

Created September 5, 2019 16:31

Check validity dates of the SSL connection

echo | openssl s_client -connect <HOST>:<PORT> 2>/dev/null | openssl x509 -noout -dates

georgegoh / images.311

Last active September 4, 2019 07:29

Images used for disconnected installation of OpenShift 3.11. This list is used as input to https://gist.github.com/georgegoh/98097f1f7ee1f528fc435fbd209299c6

	openshift3/apb-base
	openshift3/apb-tools
	openshift3/automation-broker-apb
	openshift3/csi-attacher
	openshift3/csi-driver-registrar
	openshift3/csi-livenessprobe
	openshift3/csi-provisioner
	openshift3/grafana
	openshift3/local-storage-provisioner
	openshift3/manila-provisioner

georgegoh / satellite_sync_openshift_images.sh

Last active September 4, 2019 07:29

Create a product in Satellite called "Red Hat OpenShift Containers" to use for disconnected installs of OpenShift 3.x. Sample input file at https://gist.github.com/georgegoh/9337263245aa9ab413aa7ba6378fe736

	#!/bin/bash
	#
	# script usage: satellite_sync_openshift_images.sh <-o ORGANIZATION> <-u RH_REGISTRY_USERNAME> <-p RH_REGISTRY_PASSWORD> <IMAGEFILE>
	#
	# Instructions to get credentials can be found here: https://access.redhat.com/articles/3399531
	#
	# Example:
	# ./satellite_sync_openshift_images.sh -o rhconsulting -u 'abcdefg\|id' -p 'dcsdj....jsndcsod' images.311
	#

georgegoh / gist:532ba197e38ccc6e873b4ad4727b1628

Created June 19, 2019 04:55

LDAPsearch

ldapsearch -x -H "ldap://<ldaphost>" -b "cn=groups,cn=accounts,dc=xxx,dc=internal - basedn" -D "uid=ocp.app,cn=users,cn=accounts,dc=xxx,dc=internal  -w password -s sub "(objectclass=posixgroup)"

George Goh georgegoh