terraform/builtin/providers/aws/resource_aws_db_security_gr...

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package aws
import (
"fmt"
"log"
"time"
"github.com/hashicorp/terraform/flatmap"
"github.com/hashicorp/terraform/helper/config"
"github.com/hashicorp/terraform/helper/diff"
"github.com/hashicorp/terraform/helper/multierror"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/terraform"
"github.com/mitchellh/goamz/rds"
)
func resource_aws_db_security_group_create(
s *terraform.ResourceState,
d *terraform.ResourceDiff,
meta interface{}) (*terraform.ResourceState, error) {
p := meta.(*ResourceProvider)
conn := p.rdsconn
// Merge the diff into the state so that we have all the attributes
// properly.
rs := s.MergeDiff(d)
var err error
var errs []error
opts := rds.CreateDBSecurityGroup{
DBSecurityGroupName: rs.Attributes["name"],
DBSecurityGroupDescription: rs.Attributes["description"],
}
log.Printf("[DEBUG] DB Security Group create configuration: %#v", opts)
_, err = conn.CreateDBSecurityGroup(&opts)
if err != nil {
return nil, fmt.Errorf("Error creating DB Security Group: %s", err)
}
rs.ID = rs.Attributes["name"]
log.Printf("[INFO] DB Security Group ID: %s", rs.ID)
v, err := resource_aws_db_security_group_retrieve(rs.ID, conn)
if err != nil {
return rs, err
}
if _, ok := rs.Attributes["ingress.#"]; ok {
ingresses := flatmap.Expand(
rs.Attributes, "ingress").([]interface{})
for _, ing := range ingresses {
err = authorize_ingress_rule(ing, v.Name, conn)
if err != nil {
errs = append(errs, err)
}
}
if len(errs) > 0 {
return rs, &multierror.Error{Errors: errs}
}
}
log.Println(
"[INFO] Waiting for Ingress Authorizations to be authorized")
stateConf := &resource.StateChangeConf{
Pending: []string{"authorizing"},
Target: "authorized",
Refresh: DBSecurityGroupStateRefreshFunc(rs.ID, conn),
Timeout: 10 * time.Minute,
}
// Wait, catching any errors
_, err = stateConf.WaitForState()
if err != nil {
return rs, err
}
return resource_aws_db_security_group_update_state(rs, v)
}
func resource_aws_db_security_group_update(
s *terraform.ResourceState,
d *terraform.ResourceDiff,
meta interface{}) (*terraform.ResourceState, error) {
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panic("Cannot update DB security group")
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}
func resource_aws_db_security_group_destroy(
s *terraform.ResourceState,
meta interface{}) error {
p := meta.(*ResourceProvider)
conn := p.rdsconn
log.Printf("[DEBUG] DB Security Group destroy: %v", s.ID)
opts := rds.DeleteDBSecurityGroup{DBSecurityGroupName: s.ID}
log.Printf("[DEBUG] DB Security Group destroy configuration: %v", opts)
_, err := conn.DeleteDBSecurityGroup(&opts)
if err != nil {
newerr, ok := err.(*rds.Error)
if ok && newerr.Code == "InvalidDBSecurityGroup.NotFound" {
return nil
}
return err
}
return nil
}
func resource_aws_db_security_group_refresh(
s *terraform.ResourceState,
meta interface{}) (*terraform.ResourceState, error) {
p := meta.(*ResourceProvider)
conn := p.rdsconn
v, err := resource_aws_db_security_group_retrieve(s.ID, conn)
if err != nil {
return s, err
}
return resource_aws_db_security_group_update_state(s, v)
}
func resource_aws_db_security_group_diff(
s *terraform.ResourceState,
c *terraform.ResourceConfig,
meta interface{}) (*terraform.ResourceDiff, error) {
b := &diff.ResourceBuilder{
Attrs: map[string]diff.AttrType{
"name": diff.AttrTypeCreate,
"description": diff.AttrTypeCreate,
"ingress": diff.AttrTypeCreate,
},
ComputedAttrs: []string{
"ingress_cidr",
"ingress_security_groups",
},
}
return b.Diff(s, c)
}
func resource_aws_db_security_group_update_state(
s *terraform.ResourceState,
v *rds.DBSecurityGroup) (*terraform.ResourceState, error) {
s.Attributes["name"] = v.Name
s.Attributes["description"] = v.Description
// Flatten our group values
toFlatten := make(map[string]interface{})
if len(v.EC2SecurityGroupOwnerIds) > 0 && v.EC2SecurityGroupOwnerIds[0] != "" {
toFlatten["ingress_security_groups"] = v.EC2SecurityGroupOwnerIds
}
if len(v.CidrIps) > 0 && v.CidrIps[0] != "" {
toFlatten["ingress_cidr"] = v.CidrIps
}
for k, v := range flatmap.Flatten(toFlatten) {
s.Attributes[k] = v
}
return s, nil
}
func resource_aws_db_security_group_retrieve(id string, conn *rds.Rds) (*rds.DBSecurityGroup, error) {
opts := rds.DescribeDBSecurityGroups{
DBSecurityGroupName: id,
}
log.Printf("[DEBUG] DB Security Group describe configuration: %#v", opts)
resp, err := conn.DescribeDBSecurityGroups(&opts)
if err != nil {
return nil, fmt.Errorf("Error retrieving DB Security Groups: %s", err)
}
if len(resp.DBSecurityGroups) != 1 ||
resp.DBSecurityGroups[0].Name != id {
if err != nil {
return nil, fmt.Errorf("Unable to find DB Security Group: %#v", resp.DBSecurityGroups)
}
}
v := resp.DBSecurityGroups[0]
return &v, nil
}
// Authorizes the ingress rule on the db security group
func authorize_ingress_rule(ingress interface{}, dbSecurityGroupName string, conn *rds.Rds) error {
ing := ingress.(map[string]interface{})
opts := rds.AuthorizeDBSecurityGroupIngress{
DBSecurityGroupName: dbSecurityGroupName,
}
if attr, ok := ing["cidr"].(string); ok && attr != "" {
opts.Cidr = attr
}
if attr, ok := ing["security_group_name"].(string); ok && attr != "" {
opts.EC2SecurityGroupName = attr
}
if attr, ok := ing["security_group_id"].(string); ok && attr != "" {
opts.EC2SecurityGroupId = attr
}
if attr, ok := ing["security_group_owner_id"].(string); ok && attr != "" {
opts.EC2SecurityGroupOwnerId = attr
}
log.Printf("[DEBUG] Authorize ingress rule configuration: %#v", opts)
_, err := conn.AuthorizeDBSecurityGroupIngress(&opts)
if err != nil {
return fmt.Errorf("Error authorizing security group ingress: %s", err)
}
return nil
}
func resource_aws_db_security_group_validation() *config.Validator {
return &config.Validator{
Required: []string{
"name",
"description",
},
Optional: []string{
"ingress.*",
"ingress.*.cidr",
"ingress.*.security_group_name",
"ingress.*.security_group_id",
"ingress.*.security_group_owner_id",
},
}
}
func DBSecurityGroupStateRefreshFunc(id string, conn *rds.Rds) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
v, err := resource_aws_db_security_group_retrieve(id, conn)
if err != nil {
log.Printf("Error on retrieving DB Security Group when waiting: %s", err)
return nil, "", err
}
statuses := append(v.EC2SecurityGroupStatuses, v.CidrStatuses...)
for _, stat := range statuses {
// Not done
if stat != "authorized" {
return nil, "authorizing", nil
}
}
return v, "authorized", nil
}
}