mirror of
https://github.com/letic/terraform-provider-google.git
synced 2024-09-19 17:50:00 +00:00
151 lines
3.9 KiB
Go
151 lines
3.9 KiB
Go
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package configs
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import (
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"fmt"
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"github.com/hashicorp/hcl2/hcl"
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)
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// Provisioner represents a "provisioner" block when used within a
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// "resource" block in a module or file.
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type Provisioner struct {
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Type string
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Config hcl.Body
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Connection *Connection
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When ProvisionerWhen
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OnFailure ProvisionerOnFailure
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DeclRange hcl.Range
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TypeRange hcl.Range
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}
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func decodeProvisionerBlock(block *hcl.Block) (*Provisioner, hcl.Diagnostics) {
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pv := &Provisioner{
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Type: block.Labels[0],
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TypeRange: block.LabelRanges[0],
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DeclRange: block.DefRange,
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When: ProvisionerWhenCreate,
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OnFailure: ProvisionerOnFailureFail,
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}
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content, config, diags := block.Body.PartialContent(provisionerBlockSchema)
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pv.Config = config
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if attr, exists := content.Attributes["when"]; exists {
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expr, shimDiags := shimTraversalInString(attr.Expr, true)
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diags = append(diags, shimDiags...)
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switch hcl.ExprAsKeyword(expr) {
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case "create":
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pv.When = ProvisionerWhenCreate
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case "destroy":
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pv.When = ProvisionerWhenDestroy
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default:
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diags = append(diags, &hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: "Invalid \"when\" keyword",
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Detail: "The \"when\" argument requires one of the following keywords: create or destroy.",
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Subject: expr.Range().Ptr(),
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})
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}
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}
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if attr, exists := content.Attributes["on_failure"]; exists {
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expr, shimDiags := shimTraversalInString(attr.Expr, true)
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diags = append(diags, shimDiags...)
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switch hcl.ExprAsKeyword(expr) {
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case "continue":
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pv.OnFailure = ProvisionerOnFailureContinue
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case "fail":
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pv.OnFailure = ProvisionerOnFailureFail
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default:
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diags = append(diags, &hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: "Invalid \"on_failure\" keyword",
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Detail: "The \"on_failure\" argument requires one of the following keywords: continue or fail.",
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Subject: attr.Expr.Range().Ptr(),
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})
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}
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}
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var seenConnection *hcl.Block
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for _, block := range content.Blocks {
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switch block.Type {
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case "connection":
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if seenConnection != nil {
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diags = append(diags, &hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: "Duplicate connection block",
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Detail: fmt.Sprintf("This provisioner already has a connection block at %s.", seenConnection.DefRange),
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Subject: &block.DefRange,
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})
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continue
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}
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seenConnection = block
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//conn, connDiags := decodeConnectionBlock(block)
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//diags = append(diags, connDiags...)
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pv.Connection = &Connection{
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Config: block.Body,
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DeclRange: block.DefRange,
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}
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default:
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// Any other block types are ones we've reserved for future use,
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// so they get a generic message.
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diags = append(diags, &hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: "Reserved block type name in provisioner block",
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Detail: fmt.Sprintf("The block type name %q is reserved for use by Terraform in a future version.", block.Type),
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Subject: &block.TypeRange,
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})
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}
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}
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return pv, diags
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}
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// Connection represents a "connection" block when used within either a
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// "resource" or "provisioner" block in a module or file.
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type Connection struct {
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Config hcl.Body
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DeclRange hcl.Range
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}
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// ProvisionerWhen is an enum for valid values for when to run provisioners.
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type ProvisionerWhen int
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//go:generate stringer -type ProvisionerWhen
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const (
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ProvisionerWhenInvalid ProvisionerWhen = iota
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ProvisionerWhenCreate
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ProvisionerWhenDestroy
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)
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// ProvisionerOnFailure is an enum for valid values for on_failure options
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// for provisioners.
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type ProvisionerOnFailure int
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//go:generate stringer -type ProvisionerOnFailure
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const (
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ProvisionerOnFailureInvalid ProvisionerOnFailure = iota
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ProvisionerOnFailureContinue
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ProvisionerOnFailureFail
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)
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var provisionerBlockSchema = &hcl.BodySchema{
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Attributes: []hcl.AttributeSchema{
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{Name: "when"},
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{Name: "on_failure"},
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},
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Blocks: []hcl.BlockHeaderSchema{
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{Type: "connection"},
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{Type: "lifecycle"}, // reserved for future use
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},
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}
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