terraform/builtin/providers/aws/resource_aws_security_group.go

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package aws
import (
"fmt"
"log"
"time"
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"github.com/hashicorp/terraform/flatmap"
"github.com/hashicorp/terraform/helper/config"
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"github.com/hashicorp/terraform/helper/diff"
"github.com/hashicorp/terraform/helper/resource"
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"github.com/hashicorp/terraform/terraform"
"github.com/mitchellh/goamz/ec2"
)
func resource_aws_security_group_create(
s *terraform.ResourceState,
d *terraform.ResourceDiff,
meta interface{}) (*terraform.ResourceState, error) {
p := meta.(*ResourceProvider)
ec2conn := p.ec2conn
// Merge the diff into the state so that we have all the attributes
// properly.
rs := s.MergeDiff(d)
securityGroupOpts := ec2.SecurityGroup{
Name: rs.Attributes["name"],
}
if rs.Attributes["vpc_id"] != "" {
securityGroupOpts.VpcId = rs.Attributes["vpc_id"]
}
if rs.Attributes["description"] != "" {
securityGroupOpts.Description = rs.Attributes["description"]
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}
log.Printf("[DEBUG] Security Group create configuration: %#v", securityGroupOpts)
createResp, err := ec2conn.CreateSecurityGroup(securityGroupOpts)
if err != nil {
return nil, fmt.Errorf("Error creating Security Group: %s", err)
}
rs.ID = createResp.Id
group := createResp.SecurityGroup
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log.Printf("[INFO] Security Group ID: %s", rs.ID)
// Wait for the security group to truly exist
log.Printf(
"[DEBUG] Waiting for SG (%s) to exist",
s.ID)
stateConf := &resource.StateChangeConf{
Pending: []string{""},
Target: "exists",
Refresh: SGStateRefreshFunc(ec2conn, rs.ID),
Timeout: 1 * time.Minute,
}
if _, err := stateConf.WaitForState(); err != nil {
return s, fmt.Errorf(
"Error waiting for SG (%s) to become available: %s",
rs.ID, err)
}
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// Expand the "ingress" array to goamz compat []ec2.IPPerm
ingressRules := []ec2.IPPerm{}
v, ok := flatmap.Expand(rs.Attributes, "ingress").([]interface{})
if ok {
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ingressRules, err = expandIPPerms(v)
if err != nil {
return rs, err
}
}
if len(ingressRules) > 0 {
_, err = ec2conn.AuthorizeSecurityGroup(group, ingressRules)
if err != nil {
return rs, fmt.Errorf("Error authorizing security group ingress rules: %s", err)
}
}
return resource_aws_security_group_refresh(rs, meta)
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}
func resource_aws_security_group_destroy(
s *terraform.ResourceState,
meta interface{}) error {
p := meta.(*ResourceProvider)
ec2conn := p.ec2conn
log.Printf("[DEBUG] Security Group destroy: %v", s.ID)
_, err := ec2conn.DeleteSecurityGroup(ec2.SecurityGroup{Id: s.ID})
if err != nil {
ec2err, ok := err.(*ec2.Error)
if ok && ec2err.Code == "InvalidGroup.NotFound" {
return nil
}
}
return err
}
func resource_aws_security_group_refresh(
s *terraform.ResourceState,
meta interface{}) (*terraform.ResourceState, error) {
p := meta.(*ResourceProvider)
ec2conn := p.ec2conn
sgRaw, _, err := SGStateRefreshFunc(ec2conn, s.ID)()
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if err != nil {
return s, err
}
if sgRaw == nil {
return nil, nil
}
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return resource_aws_security_group_update_state(
s, sgRaw.(*ec2.SecurityGroupInfo))
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}
func resource_aws_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.AttrTypeUpdate,
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"ingress": diff.AttrTypeUpdate,
"vpc_id": diff.AttrTypeCreate,
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},
ComputedAttrs: []string{
"owner_id",
"vpc_id",
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},
}
return b.Diff(s, c)
}
func resource_aws_security_group_update_state(
s *terraform.ResourceState,
sg *ec2.SecurityGroupInfo) (*terraform.ResourceState, error) {
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s.Attributes["description"] = sg.Description
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s.Attributes["name"] = sg.Name
s.Attributes["vpc_id"] = sg.VpcId
s.Attributes["owner_id"] = sg.OwnerId
// Flatten our ingress values
toFlatten := make(map[string]interface{})
toFlatten["ingress"] = flattenIPPerms(sg.IPPerms)
for k, v := range flatmap.Flatten(toFlatten) {
s.Attributes[k] = v
}
s.Dependencies = nil
if s.Attributes["vpc_id"] != "" {
s.Dependencies = append(s.Dependencies,
terraform.ResourceDependency{ID: s.Attributes["vpc_id"]},
)
}
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return s, nil
}
func resource_aws_security_group_validation() *config.Validator {
return &config.Validator{
Required: []string{
"name",
"ingress.*",
"ingress.*.from_port",
"ingress.*.to_port",
"ingress.*.protocol",
},
Optional: []string{
"description",
"vpc_id",
"owner_id",
"ingress.*.cidr_blocks.*",
"ingress.*.security_groups.*",
},
}
}
// SGStateRefreshFunc returns a resource.StateRefreshFunc that is used to watch
// a security group.
func SGStateRefreshFunc(conn *ec2.EC2, id string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
sgs := []ec2.SecurityGroup{ec2.SecurityGroup{Id: id}}
resp, err := conn.SecurityGroups(sgs, nil)
if err != nil {
if ec2err, ok := err.(*ec2.Error); ok {
if ec2err.Code == "InvalidSecurityGroupID.NotFound" ||
ec2err.Code == "InvalidGroup.NotFound" {
resp = nil
err = nil
}
}
if err != nil {
log.Printf("Error on SGStateRefresh: %s", err)
return nil, "", err
}
}
if resp == nil {
return nil, "", nil
}
group := &resp.Groups[0]
return group, "exists", nil
}
}