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cluster_config_template.go
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cluster_config_template.go
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// Copyright 2021 VMware
//
// 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 templates
import (
"fmt"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"github.com/vmware-tanzu/cartographer/pkg/apis/v1alpha1"
)
type clusterConfigTemplate struct {
template *v1alpha1.ClusterConfigTemplate
evaluator evaluator
stampedObject *unstructured.Unstructured
}
func (t *clusterConfigTemplate) GetKind() string {
return t.template.Kind
}
func NewClusterConfigTemplateModel(template *v1alpha1.ClusterConfigTemplate, eval evaluator) *clusterConfigTemplate {
return &clusterConfigTemplate{template: template, evaluator: eval}
}
func (t *clusterConfigTemplate) GetName() string {
return t.template.Name
}
func (t *clusterConfigTemplate) SetTemplatingContext(_ map[string]interface{}) {}
func (t *clusterConfigTemplate) SetStampedObject(stampedObject *unstructured.Unstructured) {
t.stampedObject = stampedObject
}
func (t *clusterConfigTemplate) GetOutput() (*Output, error) {
config, err := t.evaluator.EvaluateJsonPath(t.template.Spec.ConfigPath, t.stampedObject.UnstructuredContent())
if err != nil {
return nil, JsonPathError{
Err: fmt.Errorf("evaluate config url json path: %w", err),
expression: t.template.Spec.ConfigPath,
}
}
return &Output{
Config: config,
}, nil
}
func (t *clusterConfigTemplate) GetResourceTemplate() v1alpha1.TemplateSpec {
return t.template.Spec.TemplateSpec
}
func (t *clusterConfigTemplate) GetDefaultParams() v1alpha1.DefaultParams {
return t.template.Spec.Params
}