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28 lip 2023 · Kubectl uses JSONPath expressions to filter on specific fields in the JSON object and format the output. In addition to the original JSONPath template syntax, the following functions and syntax are valid: Use double quotes to quote text inside JSONPath expressions. Use the range, end operators to iterate lists.
6 lip 2024 · Specifically, the kubectl get command supports the jsonpath output format, which can take a JSON path expression to extract specific field values. Additionally, we can construct a highly specific output to suit our needs using the custom-columns and go-template output format.
You can achieve what you described with kubectl get pods -l <selector_of_your_rc> -o <output_format>, for example: $ kubectl get pods -l app=guestbook,tier=frontend -o name pod/frontend-a4kjz pod/frontend-am1ua pod/frontend-yz2dq
10 wrz 2024 · Basic JSON Output. By default, kubectl outputs YAML, but you can change this to JSON for better data handling using the -o json flag: kubectl get pods -n dev -o json. 4. Using...
1 sty 2024 · Kubernetes provides a command line tool for communicating with a Kubernetes cluster's control plane, using the Kubernetes API. This tool is named kubectl. For configuration, kubectl looks for a file named config in the $HOME/.kube directory.
17 mar 2023 · In this article we will learn how to use JSONPath in Kubernetes to easily fetch specific fields from any of your existing resources in your Kubernetes cluster.
7 wrz 2022 · The common solution is to output the text in the corresponding JSON-format with -ojson, and then get the information needed with jq tool. kubectl get pod -n namespace -ojson | jq ‘filter’
