Mike Farah’s yq yaml processor has a a rich set of operators and functions for advanced usage. In this article, I will illustrate how to update deeply nested elements in yaml. This can be done for both known paths as well as arbitrarily deep paths. Sample yaml We will use the following yaml files to … yq: updating deeply nested elements
Below is an example using ‘kubectl patch’ to update the securityContext of a single, specific container named ‘my-init-container1’ of the ‘initContainers’ list. kubectl patch deployment my-deployment -n default –patch='{ “spec”: { “template”: { “spec”: { “initContainers”: [ { “name”: “my-init-container1”, “securityContext”: { “runAsUser”: 999 } } ] } } } }’ But ‘initContainers’ is an … Kubernetes: patch every array element using kubectl and jq
Mike Farah’s yq yaml processor has a a rich set of operators and functions for advanced usage. In this article, I will illustrate how to update a deeply nested element in yaml. Install yq Here are the steps for installing the latest yq on Snap enabled systems like Ubuntu/Debian. See the notes at bottom if … yq: update deeply nested elements in yaml