2b0e0d4eab
Package hcl2template defines code to parse hcl2 template files correctly. In order to configure a packer builder,provisioner,communicator and post processor. Checkout the files in testdata/complete/ to see what a packer config could look like.
62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
package hcl2template
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import (
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"github.com/hashicorp/hcl/v2"
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)
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const (
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buildFromLabel = "from"
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buildProvisionnersLabel = "provision"
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buildPostProvisionnersLabel = "post_provision"
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)
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var buildSchema = &hcl.BodySchema{
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Blocks: []hcl.BlockHeaderSchema{
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{Type: buildFromLabel, LabelNames: []string{"src"}},
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{Type: buildProvisionnersLabel},
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{Type: buildPostProvisionnersLabel},
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},
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}
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type Build struct {
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// Ordered list of provisioner groups
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ProvisionerGroups ProvisionerGroups
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// Ordered list of post-provisioner groups
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PostProvisionerGroups ProvisionerGroups
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// Ordered list of output stanzas
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Froms BuildFromList
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HCL2Ref HCL2Ref
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}
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type Builds []*Build
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func (p *Parser) decodeBuildConfig(block *hcl.Block) (*Build, hcl.Diagnostics) {
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build := &Build{}
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content, diags := block.Body.Content(buildSchema)
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for _, block := range content.Blocks {
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switch block.Type {
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case buildFromLabel:
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bf := BuildFrom{}
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moreDiags := bf.decodeConfig(block)
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diags = append(diags, moreDiags...)
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build.Froms = append(build.Froms, bf)
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case buildProvisionnersLabel:
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pg, moreDiags := p.decodeProvisionerGroup(block, p.ProvisionersSchemas)
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diags = append(diags, moreDiags...)
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build.ProvisionerGroups = append(build.ProvisionerGroups, pg)
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case buildPostProvisionnersLabel:
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pg, moreDiags := p.decodeProvisionerGroup(block, p.PostProvisionersSchemas)
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diags = append(diags, moreDiags...)
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build.PostProvisionerGroups = append(build.PostProvisionerGroups, pg)
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}
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}
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return build, diags
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}
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