93 lines
2.4 KiB
Go
93 lines
2.4 KiB
Go
package local
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import (
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"github.com/hashicorp/errwrap"
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"github.com/hashicorp/go-multierror"
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"github.com/hashicorp/terraform/backend"
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"github.com/hashicorp/terraform/state"
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"github.com/hashicorp/terraform/terraform"
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)
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// backend.Local implementation.
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func (b *Local) Context(op *backend.Operation) (*terraform.Context, state.State, error) {
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// Make sure the type is invalid. We use this as a way to know not
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// to ask for input/validate.
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op.Type = backend.OperationTypeInvalid
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return b.context(op)
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}
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func (b *Local) context(op *backend.Operation) (*terraform.Context, state.State, error) {
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// Get the state.
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s, err := b.State()
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if err != nil {
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return nil, nil, errwrap.Wrapf("Error loading state: {{err}}", err)
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}
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if s, ok := s.(state.Locker); op.LockState && ok {
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if err := s.Lock(op.Type.String()); err != nil {
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return nil, nil, errwrap.Wrapf("Error locking state: {{err}}", err)
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}
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}
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if err := s.RefreshState(); err != nil {
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return nil, nil, errwrap.Wrapf("Error loading state: {{err}}", err)
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}
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// Initialize our context options
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var opts terraform.ContextOpts
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if v := b.ContextOpts; v != nil {
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opts = *v
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}
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// Copy set options from the operation
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opts.Destroy = op.Destroy
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opts.Module = op.Module
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opts.Targets = op.Targets
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opts.UIInput = op.UIIn
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if op.Variables != nil {
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opts.Variables = op.Variables
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}
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// Load our state
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opts.State = s.State()
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// Build the context
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var tfCtx *terraform.Context
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if op.Plan != nil {
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tfCtx, err = op.Plan.Context(&opts)
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} else {
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tfCtx, err = terraform.NewContext(&opts)
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}
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if err != nil {
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return nil, nil, err
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}
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// If we have an operation, then we automatically do the input/validate
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// here since every option requires this.
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if op.Type != backend.OperationTypeInvalid {
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// If input asking is enabled, then do that
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if op.Plan == nil && b.OpInput {
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mode := terraform.InputModeProvider
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mode |= terraform.InputModeVar
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mode |= terraform.InputModeVarUnset
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if err := tfCtx.Input(mode); err != nil {
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return nil, nil, errwrap.Wrapf("Error asking for user input: {{err}}", err)
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}
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}
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// If validation is enabled, validate
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if b.OpValidation {
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// We ignore warnings here on purpose. We expect users to be listening
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// to the terraform.Hook called after a validation.
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_, es := tfCtx.Validate()
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if len(es) > 0 {
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return nil, nil, multierror.Append(nil, es...)
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}
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}
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}
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return tfCtx, s, nil
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}
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