mirror of
https://github.com/ceph/ceph-csi.git
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878eef803e
This commit exposes CSI ConfigMap over an API. This will allow projects like Rook to consume CSI configMap directly from Ceph-CSI. Signed-off-by: Praveen M <m.praveen@ibm.com>
78 lines
2.1 KiB
Go
78 lines
2.1 KiB
Go
/*
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Copyright 2023 The Ceph-CSI Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cephfs
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import (
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"bytes"
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_ "embed"
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"fmt"
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"text/template"
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"github.com/ceph/ceph-csi/api/deploy/kubernetes"
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"github.com/ghodss/yaml"
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v1 "k8s.io/api/core/v1"
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)
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//go:embed csi-config-map.yaml
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var csiConfigMap string
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type CSIConfigMapValues struct {
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Name string
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ClusterInfo []kubernetes.ClusterInfo
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}
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var CSIConfigMapDefaults = CSIConfigMapValues{
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Name: "ceph-csi-config",
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ClusterInfo: []kubernetes.ClusterInfo{},
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}
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// NewCSIConfigMap takes a name from the CSIConfigMapValues struct and relaces
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// the value in the template. A ConfigMap object is returned which can be
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// created in the Kubernetes cluster.
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func NewCSIConfigMap(values CSIConfigMapValues) (*v1.ConfigMap, error) {
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data, err := NewCSIConfigMapYAML(values)
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if err != nil {
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return nil, err
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}
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cm := &v1.ConfigMap{}
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err = yaml.Unmarshal([]byte(data), cm)
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if err != nil {
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return nil, fmt.Errorf("failed convert YAML to %T: %w", cm, err)
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}
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return cm, nil
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}
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// NewCSIConfigMapYAML takes a name from the CSIConfigMapValues struct and
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// relaces the value in the template. A ConfigMap object in YAML is returned
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// which can be created in the Kubernetes cluster.
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func NewCSIConfigMapYAML(values CSIConfigMapValues) (string, error) {
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var buf bytes.Buffer
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tmpl, err := template.New("CSIConfigMap").Parse(csiConfigMap)
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if err != nil {
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return "", fmt.Errorf("failed to parse template: %w", err)
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}
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err = tmpl.Execute(&buf, values)
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if err != nil {
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return "", fmt.Errorf("failed to replace values in template: %w", err)
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}
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return buf.String(), nil
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}
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