diff options
Diffstat (limited to 'src/k8splugin/internal/rb/profile_yaml.go')
-rw-r--r-- | src/k8splugin/internal/rb/profile_yaml.go | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/k8splugin/internal/rb/profile_yaml.go b/src/k8splugin/internal/rb/profile_yaml.go new file mode 100644 index 00000000..ba55fba9 --- /dev/null +++ b/src/k8splugin/internal/rb/profile_yaml.go @@ -0,0 +1,109 @@ +/* + * 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 +} |