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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.
17 mar 2023 · Learn how to use JSONPath in Kubernetes to filter JSON output from kubectl commands. See examples of getting single or multiple fields, iterating arrays, and using jq for regular expressions.
kubectl get pods -o=jsonpath='{range .items[?(@.metadata.labels.name=="web")]}{.metadata.name}{"\n"}{end}' This add newlines. You can also do {", "} to output comma with space. Another solution: Use JQ to get a nicely formatted json result: kubectl get pods -o json | jq -r '.items[] | [filter] | [formatted result]' | jq -s '.' Example of [filter]:
10 wrz 2024 · Using JSONPath with kubectl. Basic Syntax. Combine any normal kubectl query with the -o=jsonpath flag to filter the output: kubectl get pods -n dev -o=jsonpath='{.items[*].metadata.name}' 5....
Learn how to use JSONPath expressions with kubectl to filter and format JSON output. See syntax, functions, examples and limitations of JSONPath template.
11 wrz 2024 · Kubectl supports a superset of JSONPath, with a special range keyword to iterate over ranges, using the same trick to add newlines: kubectl get no -o jsonpath="{range.items[?(@.spec.unschedulable)]}{.metadata.name}:{end}" | tr ":" "\n"
