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86 lines
1.9 KiB
86 lines
1.9 KiB
package kube
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import (
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"fmt"
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"io"
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"k8s.io/kubernetes/pkg/client/unversioned/clientcmd"
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cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
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"k8s.io/kubernetes/pkg/kubectl/resource"
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)
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// Client represents a client capable of communicating with the Kubernetes API.
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type Client struct {
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*cmdutil.Factory
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}
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// New create a new Client
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func New(config clientcmd.ClientConfig) *Client {
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return &Client{
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Factory: cmdutil.NewFactory(config),
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}
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}
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// ResourceActorFunc performs an action on a signle resource.
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type ResourceActorFunc func(*resource.Info) error
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// Create creates kubernetes resources from an io.reader
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//
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// Namespace will set the namespace
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func (c *Client) Create(namespace string, reader io.Reader) error {
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return perform(c, namespace, reader, createResource)
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}
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// Delete deletes kubernetes resources from an io.reader
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//
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// Namespace will set the namespace
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func (c *Client) Delete(namespace string, reader io.Reader) error {
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return perform(c, namespace, reader, deleteResource)
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}
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const includeThirdPartyAPIs = false
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func perform(c *Client, namespace string, reader io.Reader, fn ResourceActorFunc) error {
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r := c.NewBuilder(includeThirdPartyAPIs).
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ContinueOnError().
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NamespaceParam(namespace).
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RequireNamespace().
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Stream(reader, "").
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Flatten().
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Do()
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if r.Err() != nil {
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return r.Err()
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}
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count := 0
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err := r.Visit(func(info *resource.Info, err error) error {
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if err != nil {
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return err
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}
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err = fn(info)
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if err == nil {
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count++
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}
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return err
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})
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if err != nil {
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return err
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}
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if count == 0 {
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return fmt.Errorf("no objects passed to create")
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}
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return nil
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}
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func createResource(info *resource.Info) error {
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_, err := resource.NewHelper(info.Client, info.Mapping).Create(info.Namespace, true, info.Object)
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return err
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}
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func deleteResource(info *resource.Info) error {
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return resource.NewHelper(info.Client, info.Mapping).Delete(info.Namespace, info.Name)
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}
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