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chart_renderer.go
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chart_renderer.go
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package render
import (
"github.com/solo-io/skv2/codegen/model"
)
type ChartRenderer struct {
templateRenderer
}
var defaultChartInputs = inputTemplates{
"chart/namespace.yamltmpl": {
Path: "templates/namespace.yaml",
},
"chart/operator-deployment.yamltmpl": {
Path: "templates/deployment.yaml",
},
"chart/operator-configmap.yamltmpl": {
Path: "templates/configmap.yaml",
},
"chart/operator-rbac.yamltmpl": {
Path: "templates/rbac.yaml",
},
"chart/_helpers.tpl": {
Path: "templates/_helpers.tpl",
},
"chart/values.yamltmpl": {
Path: "values.yaml",
},
"chart/Chart.yamltmpl": {
Path: "Chart.yaml",
},
}
func RenderChart(chart model.Chart) ([]OutFile, error) {
renderer := DefaultTemplateRenderer
// when rendering helm charts, we need
// to use a custom delimiter
renderer.left = "[["
renderer.right = "]]"
defaultChartRenderer := ChartRenderer{
templateRenderer: renderer,
}
return defaultChartRenderer.Render(chart)
}
func (r ChartRenderer) Render(chart model.Chart) ([]OutFile, error) {
templatesToRender := defaultChartInputs
files, err := r.renderCoreTemplates(templatesToRender, chart)
if err != nil {
return nil, err
}
customFiles, err := r.RenderCustomTemplates(chart.CustomTemplates.Templates, chart.CustomTemplates.Funcs, chart)
if err != nil {
return nil, err
}
files = append(files, customFiles...)
if chart.FilterTemplate != nil {
var filteredFiles []OutFile
for _, file := range files {
if chart.FilterTemplate(file.Path) {
continue
}
filteredFiles = append(filteredFiles, file)
}
files = filteredFiles
}
return files, nil
}