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Introduction to jobs

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Job Types

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Commands

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List the jobs

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kubectl get jobs

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See the job spec yaml

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kubectl get jobs -o yaml | less

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Inspect the job

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kubectl describe jobs [job-name]

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Delete the job

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kubectl delete jobs [job-name]

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Extract the log if you know the name of the specific job instance. With a little help from grep and cut the name of the job is extracted and passed to the logs command

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export JOB_ID=$(kubectl describe jobs oneshot | grep -o 'Created pod: .*' | cut -f3- -d' ')\n\necho $JOB_ID\n\nkubectl logs $JOB_ID
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Sample job yaml

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apiVersion: batch/v1\nkind: Job\nmetadata:\n  name: oneshot\n  labels:\n    chapter: jobs\nspec:\n  template:\n    metadata:\n      labels:\n        chapter: jobs\n    spec:\n      containers:\n      - name: kuard\n        image: gcr.io/kuar-demo/kuard-amd64:1\n        imagePullPolicy: Always\n        args:\n        - \"--keygen-enable\"\n        - \"--keygen-exit-on-complete\"\n        - \"--keygen-num-to-gen=10\"\n      restartPolicy: OnFailure
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