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api_templates.go
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/
api_templates.go
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// Package app
// Copyright 2020-2021 Author.
//
// 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.
//
//
// Mustafa mbayramo@vmware.com
package api
import (
"github.com/golang/glog"
"github.com/google/uuid"
"github.com/spyroot/tcactl/lib/api_errors"
"github.com/spyroot/tcactl/lib/client/response"
"github.com/spyroot/tcactl/lib/client/specs"
errnos "github.com/spyroot/tcactl/pkg/errors"
"strings"
)
func TemplateFields() []string {
f := response.TenantSpecs{}
fields, _ := f.GetFields()
var keys []string
for s, _ := range fields {
keys = append(keys, s)
}
return keys
}
//
//func ReadTemplateSpecFromFile(fileName string) (*response.ClusterTemplateSpec, error) {
//
// file, err := os.Open(fileName)
// if err != nil {
// return nil, err
// }
//
// return ReadTemplateSpec(file)
//}
//
//// ReadTemplateSpecFromString read specString from reader
//func ReadTemplateSpecFromString(str string) (*response.ClusterTemplateSpec, error) {
// r := strings.NewReader(str)
// return ReadTemplateSpec(r)
//}
//
//// ReadTemplateSpec - Read Template Spec
//func ReadTemplateSpec(b io.Reader) (*response.ClusterTemplateSpec, error) {
//
// var spec response.ClusterTemplateSpec
//
// buffer, err := ioutil.ReadAll(b)
// if err != nil {
// return nil, err
// }
//
// err = yaml.Unmarshal(buffer, &spec)
// if err == nil {
// return &spec, nil
// }
//
// err = json.Unmarshal(buffer, &spec)
// if err == nil {
// return &spec, nil
// }
//
// return nil, &InvalidSpec{"unknown format"}
//}
// GetClusterTemplates - return list of cluster templates
func (a *TcaApi) GetClusterTemplates() (*response.ClusterTemplates, error) {
glog.Infof("Retrieving vnf packages.")
if a.rest == nil {
return nil, errnos.RestNil
}
return a.rest.GetClusterTemplates()
}
// CreateClusterTemplate - create cluster template from initialSpec
func (a *TcaApi) CreateClusterTemplate(spec *specs.SpecClusterTemplate) (string, error) {
glog.Infof("Create %s cluster template.", spec.Name)
if spec == nil {
return "", api_errors.NewInvalidSpec("Spec is nil")
}
err := spec.Validate()
if err != nil {
return "", err
}
_id, err := a.ResolveTemplateId(spec.Name)
if err == nil && len(_id) > 0 {
// generate initialSpec name
spec.Name = spec.Name + "-" + uuid.New().String()
spec.Name = string(spec.Name[0:25])
}
// adjust case sensitivity
spec.ClusterType = strings.ToUpper(spec.ClusterType)
if len(spec.MasterNodes) == 0 {
return "", api_errors.NewInvalidSpec(" master node spec section not present.")
}
if len(spec.WorkerNodes) == 0 {
return "", api_errors.NewInvalidSpec(" worker node section not present.")
}
return spec.Name, a.rest.CreateClusterTemplate(spec)
}
// GetClusterTemplate return cluster template
func (a *TcaApi) GetClusterTemplate(templateId string) (*response.ClusterTemplateSpec, error) {
glog.Infof("Retrieving vnf packages.")
if a.rest == nil {
return nil, errnos.RestNil
}
var (
tid = templateId
err error
)
if !IsValidUUID(templateId) {
tid, err = a.ResolveTemplateId(templateId)
if err != nil {
return nil, err
}
}
return a.rest.GetClusterTemplate(tid)
}
// UpdateClusterTemplate - updates cluster template based
// on input initialSpec
func (a *TcaApi) UpdateClusterTemplate(spec *specs.SpecClusterTemplate) error {
glog.Infof("Updating cluster template. %v", spec)
if spec == nil {
return errnos.SpecNil
}
err := spec.Validate()
if err != nil {
return err
}
if IsValidUUID(spec.Id) {
glog.Infof("Validating template id %s", spec.Id)
_, err := a.rest.GetClusterTemplate(spec.Id)
if err != nil {
glog.Error(err)
return err
}
} else {
// if template name used , resolve id
id, err := a.ResolveTemplateId(spec.Id)
if err != nil {
return err
}
spec.Id = id
}
return a.rest.UpdateClusterTemplate(spec)
}
// DeleteTemplate deletes cluster template from TCA
// template argument can be name or ID.
func (a *TcaApi) DeleteTemplate(template string) error {
var templateId = ""
if IsValidUUID(template) {
tmpl, err := a.rest.GetClusterTemplate(template)
if err != nil {
return err
}
templateId = tmpl.Id
} else {
templates_, err := a.rest.GetClusterTemplates()
if err != nil {
return err
}
templateId, err = templates_.GetTemplateId(template)
if err != nil {
return err
}
glog.Infof("Resolved template id %s", templateId)
}
err := a.rest.DeleteClusterTemplate(templateId)
if err != nil {
return err
}
return nil
}
// ResolveTemplateId - resolves template name to id
func (a *TcaApi) ResolveTemplateId(templateId string) (string, error) {
// resolve template id, in case client used name instead id
clusterTemplates, err := a.rest.GetClusterTemplates()
if err != nil {
return "", err
}
template, err := clusterTemplates.GetTemplate(templateId)
if err != nil {
return "", err
}
return template.Id, nil
}