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Use custom namespace when creating Velero clients

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The Velero deployment did not have a way of exposing the namespace it
was installed in to the API client. This is a problem for plugins that
need to query for resources in that namespaces, such as the restic
restore process that needs to find PodVolume(Backup|Restore)s.

While the Velero client is consulted for a configured namespace, this
cannot be set in the server pod since there is no valid home directory
in which to place it.

This change provides the namespace to the deployment via the downward
API, and updates the API client factory to use the VELERO_NAMESPACE
before looking at the config file, so that any plugins using the client
will look at the appropriate namespace.

Fixes #1743

Signed-off-by: Nolan Brubaker <brubakern@vmware.com>
This commit is contained in:
Nolan Brubaker
2019-08-09 13:23:16 -04:00
parent 7b7b96de74
commit 363c2692a1
9 changed files with 156 additions and 72 deletions
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12
pkg/client/client.go
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@@ -1,5 +1,5 @@
/*
Copyright 2017 the Velero contributors.
Copyright 2017, 2019 the Velero contributors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@@ -29,12 +29,20 @@ import (
// Config returns a *rest.Config, using either the kubeconfig (if specified) or an in-cluster
// configuration.
func Config(kubeconfig, kubecontext, baseName string) (*rest.Config, error) {
func Config(kubeconfig, kubecontext, baseName string, qps float32, burst int) (*rest.Config, error) {
loadingRules := clientcmd.NewDefaultClientConfigLoadingRules()
loadingRules.ExplicitPath = kubeconfig
configOverrides := &clientcmd.ConfigOverrides{CurrentContext: kubecontext}
kubeConfig := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loadingRules, configOverrides)
clientConfig, err := kubeConfig.ClientConfig()
if qps > 0.0 {
clientConfig.QPS = qps
}
if burst > 0 {
clientConfig.Burst = burst
}
if err != nil {
return nil, errors.WithStack(err)
}