@jkcfg/kubernetes/resources.js

jk Kubernetes library

// traverse returns the value found by successively indexing elements
// of `path`, or `def` if any are not present.
function traverse(path, object, def) {
    let obj = object;
    for (const elem of path) {
        if (!Object.prototype.hasOwnProperty.call(obj, elem)) {
            return def;
        }
        obj = obj[elem];
    }
    return obj;
}
// Yields all the container definitions used in a resource.
function* iterateContainers(resource) {
    // this is mildly hacky; check for the usual places that image refs
    // are found
    for (const path of [
        ['spec', 'template', 'spec', 'initContainers'],
        ['spec', 'template', 'spec', 'containers'],
        ['spec', 'jobTemplate', 'spec', 'template', 'spec', 'initContainers'],
        ['spec', 'jobTemplate', 'spec', 'template', 'spec', 'containers'],
    ]) {
        const containers = traverse(path, resource, []);
        for (let i = 0; i < containers.length; i++) {
            yield containers[i];
        }
    }
}
export { iterateContainers };