95 lines
2.7 KiB
Go
95 lines
2.7 KiB
Go
package hcl2template
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import (
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"fmt"
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"github.com/hashicorp/hcl/v2"
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"github.com/hashicorp/hcl/v2/gohcl"
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"github.com/hashicorp/packer/packer"
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)
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// ProvisionerBlock references a detected but unparsed post processor
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type PostProcessorBlock struct {
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PType string
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PName string
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OnlyExcept OnlyExcept
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KeepInputArtifact *bool
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HCL2Ref
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}
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func (p *PostProcessorBlock) String() string {
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return fmt.Sprintf(buildPostProcessorLabel+"-block %q %q", p.PType, p.PName)
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}
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func (p *Parser) decodePostProcessor(block *hcl.Block) (*PostProcessorBlock, hcl.Diagnostics) {
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var b struct {
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Name string `hcl:"name,optional"`
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Only []string `hcl:"only,optional"`
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Except []string `hcl:"except,optional"`
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KeepInputArtifact *bool `hcl:"keep_input_artifact,optional"`
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Rest hcl.Body `hcl:",remain"`
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}
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diags := gohcl.DecodeBody(block.Body, nil, &b)
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if diags.HasErrors() {
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return nil, diags
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}
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postProcessor := &PostProcessorBlock{
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PType: block.Labels[0],
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PName: b.Name,
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OnlyExcept: OnlyExcept{Only: b.Only, Except: b.Except},
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HCL2Ref: newHCL2Ref(block, b.Rest),
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KeepInputArtifact: b.KeepInputArtifact,
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}
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diags = diags.Extend(postProcessor.OnlyExcept.Validate())
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if diags.HasErrors() {
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return nil, diags
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}
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if !p.PostProcessorsSchemas.Has(postProcessor.PType) {
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diags = append(diags, &hcl.Diagnostic{
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Summary: fmt.Sprintf("Unknown "+buildPostProcessorLabel+" type %q", postProcessor.PType),
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Subject: block.LabelRanges[0].Ptr(),
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Detail: fmt.Sprintf("known "+buildPostProcessorLabel+"s: %v", p.PostProcessorsSchemas.List()),
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Severity: hcl.DiagError,
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})
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return nil, diags
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}
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return postProcessor, diags
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}
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func (cfg *PackerConfig) startPostProcessor(source SourceBlock, pp *PostProcessorBlock, ectx *hcl.EvalContext) (packer.PostProcessor, hcl.Diagnostics) {
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// ProvisionerBlock represents a detected but unparsed provisioner
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var diags hcl.Diagnostics
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postProcessor, err := cfg.postProcessorsSchemas.Start(pp.PType)
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if err != nil {
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diags = append(diags, &hcl.Diagnostic{
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Summary: fmt.Sprintf("Failed loading %s", pp.PType),
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Subject: pp.DefRange.Ptr(),
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Detail: err.Error(),
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})
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return nil, diags
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}
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hclPostProcessor := &HCL2PostProcessor{
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PostProcessor: postProcessor,
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postProcessorBlock: pp,
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evalContext: ectx,
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builderVariables: source.builderVariables(),
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}
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err = hclPostProcessor.HCL2Prepare(nil)
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if err != nil {
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diags = append(diags, &hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: fmt.Sprintf("Failed preparing %s", pp),
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Detail: err.Error(),
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Subject: pp.DefRange.Ptr(),
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})
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return nil, diags
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}
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return hclPostProcessor, diags
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}
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