How to append tolerations as dictionary in the yaml file
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I have a YAML file which creates Daemonset in the kubernetes cluster but there's no toleration block in the code which doesn't guarantee to create the daemonset for spot instances. That is why I need to append tolerations after a certain string before deploying the YAMl file through Pipeline.
The Sample YAML is as follow
apiVersion: v1
items:
apiVersion: apps/v1
kind: DaemonSet
metadata:
annotations:
deprecated.daemonset.template.generation: "4"
kubectl.kubernetes.io/last-applied-configuration: |
{"apiVersion":"apps/v1","kind":"DaemonSet","metadata":{"annotations":{},"name":"twistlock-defender-ds","namespace":"twistlock"},"spec":{"selector":{"matchLabels":{"app":"twistlock-defender"}},"template":{"metadata":{"annotations":{"container.apparmor.security.beta.kubernetes.io/twistlock-defender":"unconfined"},"labels":{"app":"twistlock-defender"}},"spec":{"containers":[{"env":[{"name":"WS_ADDRESS","value":"wss://us-east1.cloud.twistlock.com:443"},{"name":"DEFENDER_TYPE","value":"cri"},{"name":"LOG_PROD","value":"true"},{"name":"SYSTEMD_ENABLED","value":"false"},{"name":"DOCKER_CLIENT_ADDRESS","value":"/var/run/docker.sock"},{"name":"DEFENDER_CLUSTER_ID","value":"b86802a4-e576-393f-8f52-c90ae7764796"},{"name":"DEFENDER_CLUSTER","value":"AZJAPNJE01KUB12991DV01"},{"name":"MONITOR_SERVICE_ACCOUNTS","value":"true"},{"name":"MONITOR_ISTIO","value":"false"},{"name":"COLLECT_POD_LABELS","value":"true"},{"name":"INSTALL_BUNDLE","value":"eyJzZWNyZXRzIjp7fSwiZ2xvYmFsUHJveHlPcHQiOnsiaHR0cFByb3h5IjoiIiwibm9Qcm94eSI6IiIsImNhIjoiIiwidXNlciI6IiIsInBhc3N3b3JkIjp7ImVuY3J5cHRlZCI6IiJ9fSwiY3VzdG9tZXJJRCI6InVzLTItMTU4Mjg4NjU5IiwiYXBpS2V5IjoiT0JBVU5hTmFSZ29ZQTB4YmpMUVl4cGlDd0wraU9LZXZqbnhUUW5JYjQ3eFh0U3cwSStTelZ6WDdIeVp0cDNBOWdrRVBvNjhMZURFeXpTai95L2NvSnc9PSIsIm1pY3Jvc2VnQ29tcGF0aWJsZSI6ZmFsc2V9"},{"name":"HOST_CUSTOM_COMPLIANCE_ENABLED","value":"false"},{"name":"CLOUD_HOSTNAME_ENABLED","value":"false"},{"name":"FIPS_ENABLED","value":"false"}],"image":"registry-auth.twistlock.com/tw_o0bftrujy5daxq309xzzdpwtmbbbexix/twistlock/defender:defender_32_00_159","name":"twistlock-defender","resources":{"limits":{"cpu":"900m","memory":"512Mi"},"requests":{"cpu":"256m"}},"securityContext":{"capabilities":{"add":["NET_ADMIN","NET_RAW","SYS_ADMIN","SYS_PTRACE","SYS_CHROOT","MKNOD","SETFCAP","IPC_LOCK"]},"privileged":true,"readOnlyRootFilesystem":true},"volumeMounts":[{"mountPath":"/var/lib/twistlock","name":"data-folder"},{"mountPath":"/var/lib/twistlock/certificates","name":"certificates"},{"mountPath":"/var/run","name":"docker-sock-folder"},{"mountPath":"/etc/passwd","name":"passwd","readOnly":true},{"mountPath":"/dev/log","name":"syslog-socket"},{"mountPath":"/var/lib/containers","name":"cri-data"},{"mountPath":"/run","name":"runc-proxy-sock-folder"}]}],"dnsPolicy":"ClusterFirstWithHostNet","hostNetwork":true,"hostPID":true,"restartPolicy":"Always","serviceAccountName":"twistlock-service","volumes":[{"name":"certificates","secret":{"defaultMode":256,"secretName":"twistlock-secrets"}},{"hostPath":{"path":"/dev/log"},"name":"syslog-socket"},{"hostPath":{"path":"/var/lib/twistlock"},"name":"data-folder"},{"hostPath":{"path":"/etc/passwd"},"name":"passwd"},{"hostPath":{"path":"/var/run"},"name":"docker-sock-folder"},{"hostPath":{"path":"/var/lib/containers"},"name":"cri-data"},{"hostPath":{"path":"/run"},"name":"runc-proxy-sock-folder"}]}}}}
creationTimestamp: "2023-02-22T02:46:26Z"
Source of the question:
https://stackoverflow.com/questions/7...
Question and source license information:
https://meta.stackexchange.com/help/l...
https://stackoverflow.com/