82 lines
2.5 KiB
Go
82 lines
2.5 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/packer/helper/common"
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"github.com/hashicorp/packer/packer"
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)
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// ProvisionerBlock represents a parsed provisioner
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type ProvisionerBlock struct {
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PType string
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block *hcl.Block
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}
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func (p *Parser) decodeProvisioner(block *hcl.Block) (*ProvisionerBlock, hcl.Diagnostics) {
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provisioner := &ProvisionerBlock{
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PType: block.Labels[0],
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block: block,
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}
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var diags hcl.Diagnostics
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if !p.ProvisionersSchemas.Has(provisioner.PType) {
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diags = append(diags, &hcl.Diagnostic{
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Summary: "Unknown " + buildProvisionerLabel + " type " + provisioner.PType,
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Subject: block.LabelRanges[0].Ptr(),
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Detail: fmt.Sprintf("known provisioners: %v", p.ProvisionersSchemas.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 provisioner, diags
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}
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func (p *Parser) StartProvisioner(pb *ProvisionerBlock, generatedVars []string) (packer.Provisioner, hcl.Diagnostics) {
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var diags hcl.Diagnostics
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provisioner, err := p.ProvisionersSchemas.Start(pb.PType)
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if err != nil {
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diags = append(diags, &hcl.Diagnostic{
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Summary: "Failed loading " + pb.block.Type,
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Subject: pb.block.LabelRanges[0].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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flatProvisionerCfg, moreDiags := decodeHCL2Spec(pb.block, nil, provisioner)
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diags = append(diags, moreDiags...)
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if diags.HasErrors() {
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return nil, diags
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}
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// manipulate generatedVars from builder to add to the interfaces being
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// passed to the provisioner Prepare()
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// If the builder has provided a list of to-be-generated variables that
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// should be made accessible to provisioners, pass that list into
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// the provisioner prepare() so that the provisioner can appropriately
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// validate user input against what will become available. Otherwise,
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// only pass the default variables, using the basic placeholder data.
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generatedPlaceholderMap := packer.BasicPlaceholderData()
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if generatedVars != nil {
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for _, k := range generatedVars {
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generatedPlaceholderMap[k] = fmt.Sprintf("Generated_%s. "+
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common.PlaceholderMsg, k)
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}
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}
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// configs := make([]interface{}, 2)
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// configs = append(, flatProvisionerCfg)
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// configs = append(configs, generatedPlaceholderMap)
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err = provisioner.Prepare(flatProvisionerCfg, generatedPlaceholderMap)
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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: "Failed preparing " + pb.block.Type,
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Detail: err.Error(),
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Subject: pb.block.DefRange.Ptr(),
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})
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return nil, diags
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}
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return provisioner, diags
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}
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