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/*
* Copyright 2018 Intel Corporation, Inc
*
* 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 rb
import (
"io/ioutil"
"log"
"path/filepath"
"github.com/ghodss/yaml"
pkgerrors "github.com/pkg/errors"
)
/*
#Sample Yaml format for profile manifest.yaml
---
version: v1
type:
values: "values_override.yaml"
configresource:
- filepath: config.yaml
chartpath: chart/config/resources/config.yaml
- filepath: config2.yaml
chartpath: chart/config/resources/config2.yaml
*/
type overrideFiles struct {
FilePath string `yaml:"filepath"`
ChartPath string `yaml:"chartpath"`
}
type supportedOverrides struct {
ConfigResource []overrideFiles `yaml:"configresource"`
Values string `yaml:"values"`
}
type profileOverride struct {
Version string `yaml:"version"`
Type supportedOverrides `yaml:"type"`
}
type ProfileYamlClient struct {
path string
override profileOverride
}
func (p ProfileYamlClient) Print() {
log.Println(p.override)
}
//GetValues returns a path to the override values.yam
//that was part of the profile
func (p ProfileYamlClient) GetValues() string {
return filepath.Join(p.path, p.override.Type.Values)
}
//CopyConfigurationOverrides copies the various files that are
//provided as overrides to their corresponding locations within
//the destination chart.
func (p ProfileYamlClient) CopyConfigurationOverrides(chartPath string) error {
//Iterate over each configresource and copy that file into
//the respective path in the chart.
for _, v := range p.override.Type.ConfigResource {
data, err := ioutil.ReadFile(filepath.Join(p.path, v.FilePath))
if err != nil {
return pkgerrors.Wrap(err, "Reading configuration file")
}
err = ioutil.WriteFile(filepath.Join(chartPath, v.ChartPath), data, 0644)
if err != nil {
return pkgerrors.Wrap(err, "Writing configuration file into chartpath")
}
}
return nil
}
//ProcessProfileYaml parses the manifest.yaml file that is part of the profile
//package and creates the appropriate structures out of it.
func ProcessProfileYaml(fpath string, manifestFileName string) (ProfileYamlClient, error) {
p := filepath.Join(fpath, manifestFileName)
data, err := ioutil.ReadFile(p)
if err != nil {
return ProfileYamlClient{}, pkgerrors.Wrap(err, "Reading manifest file")
}
out := profileOverride{}
err = yaml.Unmarshal(data, &out)
if err != nil {
return ProfileYamlClient{}, pkgerrors.Wrap(err, "Marshaling manifest yaml file")
}
return ProfileYamlClient{path: fpath, override: out}, nil
}
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