mirror of
https://github.com/replicatedhq/troubleshoot.git
synced 2026-04-15 07:16:34 +00:00
Noah CampbellandGitHub
acc1aad843
* Added docs and template subcommands with test files * uses helm templating preflight yaml files * merge doc requirements for multiple inputs * Helm aware rendering and markdown output * v1beta3 yaml structure better mirrors beta2 * Update sample-preflight-templated.yaml * Added docs and template subcommands with test files * uses helm templating preflight yaml files * merge doc requirements for multiple inputs * Helm aware rendering and markdown output * v1beta3 yaml structure better mirrors beta2 * Update sample-preflight-templated.yaml * Added/updated documentation on subcommands * Update docs.go * commit to trigger actions
66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
package preflight
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import (
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"fmt"
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"sort"
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"helm.sh/helm/v3/pkg/chart"
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"helm.sh/helm/v3/pkg/chartutil"
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"helm.sh/helm/v3/pkg/engine"
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)
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// keepHelmImports ensures Helm modules are retained by the linker until we wire them in.
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var _ any = func() any {
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_ = engine.Engine{}
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_ = chart.Chart{}
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_ = chartutil.Values{}
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return nil
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}()
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// RenderWithHelmTemplate renders a single YAML template string using Helm's engine
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// with the provided values (corresponding to .Values in Helm templates).
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func RenderWithHelmTemplate(templateContent string, values map[string]interface{}) (string, error) {
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ch := &chart.Chart{
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Metadata: &chart.Metadata{
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Name: "preflight-templating",
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APIVersion: chart.APIVersionV2,
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Type: "application",
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},
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Templates: []*chart.File{
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{
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Name: "templates/preflight.yaml",
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Data: []byte(templateContent),
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},
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},
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}
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releaseOpts := chartutil.ReleaseOptions{
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Name: "preflight",
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Namespace: "default",
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IsInstall: true,
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IsUpgrade: false,
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Revision: 1,
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}
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caps := chartutil.DefaultCapabilities
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renderVals, err := chartutil.ToRenderValues(ch, chartutil.Values(values), releaseOpts, caps)
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if err != nil {
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return "", fmt.Errorf("build render values: %w", err)
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}
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eng := engine.Engine{}
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out, err := eng.Render(ch, renderVals)
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if err != nil {
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return "", fmt.Errorf("helm render: %w", err)
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}
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if len(out) == 0 {
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return "", nil
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}
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keys := make([]string, 0, len(out))
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for k := range out {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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return out[keys[0]], nil
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}
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