1
0
mirror of https://github.com/ceph/ceph-csi.git synced 2024-12-23 05:20:19 +00:00
ceph-csi/api/deploy/kubernetes/nfs/csidriver.go
Niels de Vos 87f87141be deploy: add CSIDriver for NFS
The API is extended for generation of the NFS CSIDriver object. The
YAML file under deploy/ was created by `yamlgen`.

The contents of the csidriver.yaml file is heavily based on the upstream
CSIDriver from the Kubernetes csi-driver-nfs project.

Because ./tools/yamlgen uses the API, it gets copied under vendor/ .
This causes two copies of the API to be included in the repository, but
that can not be prevented, it seems.

See-also: https://github.com/kubernetes-csi/csi-driver-nfs/blob/master/deploy/csi-nfs-driverinfo.yaml
Signed-off-by: Niels de Vos <ndevos@redhat.com>
2022-03-28 11:23:17 +00:00

75 lines
1.9 KiB
Go

/*
Copyright 2022 The Ceph-CSI Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package nfs
import (
"bytes"
_ "embed"
"fmt"
"text/template"
"github.com/ghodss/yaml"
storagev1 "k8s.io/api/storage/v1"
)
//go:embed csidriver.yaml
var csiDriver string
type CSIDriverValues struct {
Name string
}
var CSIDriverDefaults = CSIDriverValues{
Name: "nfs.csi.ceph.com",
}
// NewCSIDriver takes a driver name from the CSIDriverValues struct and
// replaces the value in the template. A CSIDriver object is returned which can
// be created in the Kubernetes cluster.
func NewCSIDriver(values CSIDriverValues) (*storagev1.CSIDriver, error) {
data, err := NewCSIDriverYAML(values)
if err != nil {
return nil, err
}
driver := &storagev1.CSIDriver{}
err = yaml.Unmarshal([]byte(data), driver)
if err != nil {
return nil, fmt.Errorf("failed convert YAML to %T: %w", driver, err)
}
return driver, nil
}
// NewCSIDriverYAML takes a driver name from the CSIDriverValues struct and
// replaces the value in the template. A CSIDriver object in YAML is returned
// which can be created in the Kubernetes cluster.
func NewCSIDriverYAML(values CSIDriverValues) (string, error) {
var buf bytes.Buffer
tmpl, err := template.New("CSIDriver").Parse(csiDriver)
if err != nil {
return "", fmt.Errorf("failed to parse template: %w", err)
}
err = tmpl.Execute(&buf, values)
if err != nil {
return "", fmt.Errorf("failed to replace values in template: %w", err)
}
return buf.String(), nil
}