RENATO ALVES FELIX jovemfelix

lua code

$ cat <<EOF > custom-body-size-env.lua
io.output("/opt/app-root/src/apicast.d/body_size.conf")
io.write("client_body_buffer_size    2m;\n", "client_max_body_size    2m;\n")
io.close()
EOF

secret with LUA

Running Pod with utilities

cat <<EOF | oc apply -f -
---
apiVersion: v1
kind: Pod
metadata:
  name: curl-pod
  labels:
 app: support

Get JSON

$ oc get backup -o json

JSON to be parsed

{
    "apiVersion": "v1",
    "items": [

Steps

$ oc project openshift-ingress
$ statsPassword=$(oc extract secret/router-stats-default --keys=statsPassword --to=-)
$ statsUsername=$(oc extract secret/router-stats-default --keys=statsUsername --to=-)

$ oc get pods
$ oc exec -it pod/router-default-577b87cd94-jv5s7 -- curl -s -u ${statsUsername}:${statsPassword} 127.0.0.1:1936/metrics | grep haproxy

Reference

Variables

export NS=benchmark-operator
export ES_SERVER=${ES_SERVER:-https://search-perfscale-dev-chmf5l4sh66lvxbnadi4bznl3a.us-west-2.es.amazonaws.com:443}

Grafana

Requirements

How to Copy Files from NODE using oc cp?

At Openshift 4.x that recomends using oc debug instead of ssh bellow I'll explain how to do it.

At Terminal 01

Start Node DEBUGING

$ oc debug node/k8sdemo-hxvrp-master-2
# remember to change chroot /host

	## Reference: https://github.com/jovemfelix/sno-minio-deployment
	---
	#NAME: minio
	#LAST DEPLOYED: Thu Aug 25 08:55:33 2022
	#NAMESPACE: minio
	#STATUS: pending-install
	#REVISION: 1
	#TEST SUITE: None
	#HOOKS:
	#MANIFEST:

	apiVersion: integreatly.org/v1alpha1
	kind: GrafanaDashboard
	metadata:
	name: dashboard-ingress
	labels:
	app: 3scale-monitoring. # adequar para o cenário
	spec:
	json:
	""
	configMapRef:

	ORIGINAL_FILE=$1

	echo cleaning $1

	yq eval 'del(.metadata.annotations."kubectl.kubernetes.io/last-applied-configuration")' -i $ORIGINAL_FILE
	yq eval 'del(.metadata.creationTimestamp)' -i $ORIGINAL_FILE
	yq eval 'del(.metadata.generation)' -i $ORIGINAL_FILE
	yq eval 'del(.metadata.managedFields)' -i $ORIGINAL_FILE
	yq eval 'del(.metadata.ownerReferences)' -i $ORIGINAL_FILE
	yq eval 'del(.metadata.resourceVersion)' -i $ORIGINAL_FILE

	# version used
	$ yq -V
	yq version 4.9.6

	$ cp original-file.yaml original-file.orig.yaml

	# this for single file
	$ yq eval '.metadata.annotations."kubectl.kubernetes.io/last-applied-configuration"' -i original-file.yaml
	$ yq eval 'del(.metadata.creationTimestamp)' -i original-file.yaml
	$ yq eval 'del(.metadata.generation)' -i original-file.yaml