138 lines
3.1 KiB
Go
138 lines
3.1 KiB
Go
package terraform
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import (
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"fmt"
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"github.com/hashicorp/terraform/config"
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)
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// EvalValidateError is the error structure returned if there were
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// validation errors.
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type EvalValidateError struct {
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Warnings []string
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Errors []error
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}
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func (e *EvalValidateError) Error() string {
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return fmt.Sprintf("Warnings: %s. Errors: %s", e.Warnings, e.Errors)
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}
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// EvalValidateCount is an EvalNode implementation that validates
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// the count of a resource.
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type EvalValidateCount struct {
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Resource *config.Resource
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}
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// TODO: test
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func (n *EvalValidateCount) Eval(ctx EvalContext) (interface{}, error) {
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var count int
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var errs []error
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var err error
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if _, err := ctx.Interpolate(n.Resource.RawCount, nil); err != nil {
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errs = append(errs, fmt.Errorf(
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"Failed to interpolate count: %s", err))
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goto RETURN
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}
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count, err = n.Resource.Count()
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if err != nil {
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// If we can't get the count during validation, then
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// just replace it with the number 1.
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c := n.Resource.RawCount.Config()
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c[n.Resource.RawCount.Key] = "1"
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count = 1
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}
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if count < 0 {
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errs = append(errs, fmt.Errorf(
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"Count is less than zero: %d", count))
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}
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RETURN:
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if len(errs) != 0 {
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err = &EvalValidateError{
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Errors: errs,
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}
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}
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return nil, err
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}
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// EvalValidateProvider is an EvalNode implementation that validates
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// the configuration of a resource.
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type EvalValidateProvider struct {
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Provider *ResourceProvider
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Config **ResourceConfig
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}
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func (n *EvalValidateProvider) Eval(ctx EvalContext) (interface{}, error) {
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provider := *n.Provider
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config := *n.Config
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warns, errs := provider.Validate(config)
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if len(warns) == 0 && len(errs) == 0 {
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return nil, nil
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}
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return nil, &EvalValidateError{
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Warnings: warns,
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Errors: errs,
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}
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}
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// EvalValidateProvisioner is an EvalNode implementation that validates
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// the configuration of a resource.
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type EvalValidateProvisioner struct {
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Provisioner *ResourceProvisioner
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Config **ResourceConfig
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}
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func (n *EvalValidateProvisioner) Eval(ctx EvalContext) (interface{}, error) {
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provisioner := *n.Provisioner
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config := *n.Config
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warns, errs := provisioner.Validate(config)
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if len(warns) == 0 && len(errs) == 0 {
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return nil, nil
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}
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return nil, &EvalValidateError{
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Warnings: warns,
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Errors: errs,
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}
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}
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// EvalValidateResource is an EvalNode implementation that validates
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// the configuration of a resource.
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type EvalValidateResource struct {
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Provider *ResourceProvider
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Config **ResourceConfig
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ResourceName string
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ResourceType string
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}
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func (n *EvalValidateResource) Eval(ctx EvalContext) (interface{}, error) {
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// TODO: test
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provider := *n.Provider
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cfg := *n.Config
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warns, errs := provider.ValidateResource(n.ResourceType, cfg)
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// If the resouce name doesn't match the name regular
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// expression, show a warning.
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if !config.NameRegexp.Match([]byte(n.ResourceName)) {
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warns = append(warns, fmt.Sprintf(
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"%s: resource name can only contain letters, numbers, "+
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"dashes, and underscores.\n"+
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"This will be an error in Terraform 0.4",
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n.ResourceName))
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}
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if len(warns) == 0 && len(errs) == 0 {
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return nil, nil
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}
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return nil, &EvalValidateError{
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Warnings: warns,
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Errors: errs,
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}
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}
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