129 lines
3.4 KiB
Go
129 lines
3.4 KiB
Go
package local
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"log"
|
|
"strings"
|
|
|
|
"github.com/hashicorp/errwrap"
|
|
"github.com/hashicorp/go-multierror"
|
|
"github.com/hashicorp/terraform/backend"
|
|
"github.com/hashicorp/terraform/state"
|
|
"github.com/hashicorp/terraform/terraform"
|
|
)
|
|
|
|
// backend.Local implementation.
|
|
func (b *Local) Context(op *backend.Operation) (*terraform.Context, state.State, error) {
|
|
// Make sure the type is invalid. We use this as a way to know not
|
|
// to ask for input/validate.
|
|
op.Type = backend.OperationTypeInvalid
|
|
|
|
return b.context(op)
|
|
}
|
|
|
|
func (b *Local) context(op *backend.Operation) (*terraform.Context, state.State, error) {
|
|
// Get the state.
|
|
s, err := b.State(op.Workspace)
|
|
if err != nil {
|
|
return nil, nil, errwrap.Wrapf("Error loading state: {{err}}", err)
|
|
}
|
|
|
|
if err := s.RefreshState(); err != nil {
|
|
return nil, nil, errwrap.Wrapf("Error loading state: {{err}}", err)
|
|
}
|
|
|
|
// Initialize our context options
|
|
var opts terraform.ContextOpts
|
|
if v := b.ContextOpts; v != nil {
|
|
opts = *v
|
|
}
|
|
|
|
// Copy set options from the operation
|
|
opts.Destroy = op.Destroy
|
|
opts.Module = op.Module
|
|
opts.Targets = op.Targets
|
|
opts.UIInput = op.UIIn
|
|
if op.Variables != nil {
|
|
opts.Variables = op.Variables
|
|
}
|
|
|
|
// Load our state
|
|
// By the time we get here, the backend creation code in "command" took
|
|
// care of making s.State() return a state compatible with our plan,
|
|
// if any, so we can safely pass this value in both the plan context
|
|
// and new context cases below.
|
|
opts.State = s.State()
|
|
|
|
// Build the context
|
|
var tfCtx *terraform.Context
|
|
if op.Plan != nil {
|
|
tfCtx, err = op.Plan.Context(&opts)
|
|
} else {
|
|
tfCtx, err = terraform.NewContext(&opts)
|
|
}
|
|
|
|
// any errors resolving plugins returns this
|
|
if rpe, ok := err.(*terraform.ResourceProviderError); ok {
|
|
b.pluginInitRequired(rpe)
|
|
// we wrote the full UI error here, so return a generic error for flow
|
|
// control in the command.
|
|
return nil, nil, errors.New("error satisfying plugin requirements")
|
|
}
|
|
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
// If we have an operation, then we automatically do the input/validate
|
|
// here since every option requires this.
|
|
if op.Type != backend.OperationTypeInvalid {
|
|
// If input asking is enabled, then do that
|
|
if op.Plan == nil && b.OpInput {
|
|
mode := terraform.InputModeProvider
|
|
mode |= terraform.InputModeVar
|
|
mode |= terraform.InputModeVarUnset
|
|
|
|
if err := tfCtx.Input(mode); err != nil {
|
|
return nil, nil, errwrap.Wrapf("Error asking for user input: {{err}}", err)
|
|
}
|
|
}
|
|
|
|
// If validation is enabled, validate
|
|
if b.OpValidation {
|
|
// We ignore warnings here on purpose. We expect users to be listening
|
|
// to the terraform.Hook called after a validation.
|
|
ws, es := tfCtx.Validate()
|
|
if len(ws) > 0 {
|
|
// Log just in case the CLI isn't enabled
|
|
log.Printf("[WARN] backend/local: %d warnings: %v", len(ws), ws)
|
|
|
|
// If we have a CLI, output the warnings
|
|
if b.CLI != nil {
|
|
b.CLI.Warn(strings.TrimSpace(validateWarnHeader) + "\n")
|
|
for _, w := range ws {
|
|
b.CLI.Warn(fmt.Sprintf(" * %s", w))
|
|
}
|
|
|
|
// Make a newline before continuing
|
|
b.CLI.Output("")
|
|
}
|
|
}
|
|
|
|
if len(es) > 0 {
|
|
return nil, nil, multierror.Append(nil, es...)
|
|
}
|
|
}
|
|
}
|
|
|
|
return tfCtx, s, nil
|
|
}
|
|
|
|
const validateWarnHeader = `
|
|
There are warnings related to your configuration. If no errors occurred,
|
|
Terraform will continue despite these warnings. It is a good idea to resolve
|
|
these warnings in the near future.
|
|
|
|
Warnings:
|
|
`
|