134 lines
3.6 KiB
Go
134 lines
3.6 KiB
Go
package local
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import (
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"errors"
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"log"
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"github.com/hashicorp/terraform/command/format"
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"github.com/hashicorp/terraform/tfdiags"
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"github.com/hashicorp/errwrap"
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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(op.Workspace)
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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 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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// By the time we get here, the backend creation code in "command" took
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// care of making s.State() return a state compatible with our plan,
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// if any, so we can safely pass this value in both the plan context
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// and new context cases below.
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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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// any errors resolving plugins returns this
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if rpe, ok := err.(*terraform.ResourceProviderError); ok {
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b.pluginInitRequired(rpe)
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// we wrote the full UI error here, so return a generic error for flow
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// control in the command.
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return nil, nil, errors.New("error satisfying plugin requirements")
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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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diags := tfCtx.Validate()
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if len(diags) > 0 {
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if diags.HasErrors() {
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// If there are warnings _and_ errors then we'll take this
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// path and return them all together in this error.
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return nil, nil, diags.Err()
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}
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// For now we can't propagate warnings any further without
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// printing them directly to the UI, so we'll need to
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// format them here ourselves.
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for _, diag := range diags {
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if diag.Severity() != tfdiags.Warning {
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continue
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}
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if b.CLI != nil {
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b.CLI.Warn(format.Diagnostic(diag, b.Colorize(), 72))
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} else {
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desc := diag.Description()
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log.Printf("[WARN] backend/local: %s", desc.Summary)
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}
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}
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// Make a newline before continuing
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b.CLI.Output("")
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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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const validateWarnHeader = `
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There are warnings related to your configuration. If no errors occurred,
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Terraform will continue despite these warnings. It is a good idea to resolve
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these warnings in the near future.
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Warnings:
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`
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