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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
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.
11 wrz 2024 · Converting the json array into a tabular output with jq can be done using @tsv as follows: kubectl get no -o json | jq -r '.items[] | select(.spec.unschedulable!=true) | [.metadata.name,.spec.externalID] | @tsv' Jq also allows us to sort: kubectl get po -o json | jq -r '.items | sort_by(.spec.nodeName)[] | [.spec.nodeName,.metadata.name] | @tsv'
1 sty 2024 · The default output format for all kubectl commands is the human readable plain-text format. To output details to your terminal window in a specific format, you can add either the -o or --output flags to a supported kubectl command. Syntax
When you create a Kubernetes resource, let's say a Pod, Kubernetes adds a whole bunch of internal system information to the yaml or json that you originally authored. This includes: Metadata such as creation timestamp, or some internal IDs.
3 paź 2024 · Kubectl Cheat Sheet with Examples For Quick Reference. Here is the ultimate Kubernetes cheat sheet with examples. We have also covered sample outputs for crucial commands. Basic Commands 1. Get Cluster Information. Retrieves the details about the Kubernetes cluster. kubectl cluster-info. Sample output
