Leen15

#!/bin/bash

# Check current CATTLE_CA_CHECKSUM value
kubectl -n cattle-system get ds -o go-template='{{range .items}}{{range .spec.template.spec.containers}}{{range .env}}{{if eq .name "CATTLE_CA_CHECKSUM"}}{{.name}}{{"="}}{{.value}}{{"\n"}}{{end}}{{end}}{{end}}{{end}}'

# Remove CATTLE_CA_CHECKSUM value
kubectl -n cattle-system patch daemonset/cattle-node-agent -p '{"spec": {"template": {"spec": {"containers": [{"name": "agent", "env": [{"name": "CATTLE_CA_CHECKSUM", "value": ""}]}]}}}}'

# Check changed CATTLE_CA_CHECKSUM value
kubectl -n cattle-system get ds -o go-template='{{range .items}}{{range .spec.template.spec.containers}}{{range .env}}{{if eq .name "CATTLE_CA_CHECKSUM"}}{{.name}}{{"="}}{{.value}}{{"\n"}}{{end}}{{end}}{{end}}{{end}}'

Leen15

docker logs nginx 2>&1 | grep "127." 

# ref: http://stackoverflow.com/questions/34724980/finding-a-string-in-docker-logs-of-container