terraform/builtin/providers/aws/resource_provider.go

79 lines
1.7 KiB
Go

package aws
import (
"fmt"
"log"
"github.com/hashicorp/terraform/helper/config"
"github.com/hashicorp/terraform/terraform"
"github.com/mitchellh/goamz/ec2"
)
type ResourceProvider struct {
Config Config
ec2conn *ec2.EC2
}
func (p *ResourceProvider) Validate(c *terraform.ResourceConfig) ([]string, []error) {
return nil, nil
}
func (p *ResourceProvider) Configure(c *terraform.ResourceConfig) error {
if _, err := config.Decode(&p.Config, c.Config); err != nil {
return err
}
// Get the auth and region. This can fail if keys/regions were not
// specified and we're attempting to use the environment.
var errs []error
log.Println("Building AWS auth structure")
auth, err := p.Config.AWSAuth()
if err != nil {
errs = append(errs, err)
}
log.Println("Building AWS region structure")
region, err := p.Config.AWSRegion()
if err != nil {
errs = append(errs, err)
}
if len(errs) == 0 {
log.Println("Initializing EC2 connection")
p.ec2conn = ec2.New(auth, region)
}
if len(errs) > 0 {
return &terraform.MultiError{Errors: errs}
}
return nil
}
func (p *ResourceProvider) Apply(
s *terraform.ResourceState,
d *terraform.ResourceDiff) (*terraform.ResourceState, error) {
return resourceMap.Apply(s, d, p)
}
func (p *ResourceProvider) Diff(
s *terraform.ResourceState,
c *terraform.ResourceConfig) (*terraform.ResourceDiff, error) {
b := diffMap.Get(s.Type)
if b == nil {
return nil, fmt.Errorf("Unknown type: %s", s.Type)
}
return b.Diff(s, c)
}
func (p *ResourceProvider) Refresh(
s *terraform.ResourceState) (*terraform.ResourceState, error) {
return resourceMap.Refresh(s, p)
}
func (p *ResourceProvider) Resources() []terraform.ResourceType {
return resourceMap.Resources()
}