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resource_aws_launch_configuration.go
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resource_aws_launch_configuration.go
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package aws
import (
"fmt"
"log"
"github.com/hashicorp/terraform/flatmap"
"github.com/hashicorp/terraform/helper/config"
"github.com/hashicorp/terraform/helper/diff"
"github.com/hashicorp/terraform/terraform"
"github.com/mitchellh/goamz/autoscaling"
)
func resource_aws_launch_configuration_create(
s *terraform.ResourceState,
d *terraform.ResourceDiff,
meta interface{}) (*terraform.ResourceState, error) {
p := meta.(*ResourceProvider)
autoscalingconn := p.autoscalingconn
// Merge the diff into the state so that we have all the attributes
// properly.
rs := s.MergeDiff(d)
var err error
createLaunchConfigurationOpts := autoscaling.CreateLaunchConfiguration{}
if rs.Attributes["image_id"] != "" {
createLaunchConfigurationOpts.ImageId = rs.Attributes["image_id"]
}
if rs.Attributes["instance_type"] != "" {
createLaunchConfigurationOpts.InstanceType = rs.Attributes["instance_type"]
}
if rs.Attributes["instance_id"] != "" {
createLaunchConfigurationOpts.InstanceId = rs.Attributes["instance_id"]
}
if rs.Attributes["key_name"] != "" {
createLaunchConfigurationOpts.KeyName = rs.Attributes["key_name"]
}
if err != nil {
return nil, fmt.Errorf("Error parsing configuration: %s", err)
}
if _, ok := rs.Attributes["security_groups.#"]; ok {
createLaunchConfigurationOpts.SecurityGroups = expandStringList(flatmap.Expand(
rs.Attributes, "security_groups").([]interface{}))
}
if rs.Attributes["user_data"] != "" {
createLaunchConfigurationOpts.UserData = rs.Attributes["user_data"]
}
createLaunchConfigurationOpts.Name = rs.Attributes["name"]
log.Printf("[DEBUG] autoscaling create launch configuration: %#v", createLaunchConfigurationOpts)
_, err = autoscalingconn.CreateLaunchConfiguration(&createLaunchConfigurationOpts)
if err != nil {
return nil, fmt.Errorf("Error creating launch configuration: %s", err)
}
rs.ID = rs.Attributes["name"]
log.Printf("[INFO] launch configuration ID: %s", rs.ID)
g, err := resource_aws_launch_configuration_retrieve(rs.ID, autoscalingconn)
if err != nil {
return rs, err
}
return resource_aws_launch_configuration_update_state(rs, g)
}
func resource_aws_launch_configuration_update(
s *terraform.ResourceState,
d *terraform.ResourceDiff,
meta interface{}) (*terraform.ResourceState, error) {
panic("Update for AWS Launch Configuration is not supported")
return nil, nil
}
func resource_aws_launch_configuration_destroy(
s *terraform.ResourceState,
meta interface{}) error {
p := meta.(*ResourceProvider)
autoscalingconn := p.autoscalingconn
log.Printf("[DEBUG] Launch Configuration destroy: %v", s.ID)
_, err := autoscalingconn.DeleteLaunchConfiguration(&autoscaling.DeleteLaunchConfiguration{Name: s.ID})
if err != nil {
autoscalingerr, ok := err.(*autoscaling.Error)
if ok && autoscalingerr.Code == "InvalidConfiguration.NotFound" {
return nil
}
return err
}
return nil
}
func resource_aws_launch_configuration_refresh(
s *terraform.ResourceState,
meta interface{}) (*terraform.ResourceState, error) {
p := meta.(*ResourceProvider)
autoscalingconn := p.autoscalingconn
g, err := resource_aws_launch_configuration_retrieve(s.ID, autoscalingconn)
if err != nil {
return s, err
}
return resource_aws_launch_configuration_update_state(s, g)
}
func resource_aws_launch_configuration_diff(
s *terraform.ResourceState,
c *terraform.ResourceConfig,
meta interface{}) (*terraform.ResourceDiff, error) {
b := &diff.ResourceBuilder{
Attrs: map[string]diff.AttrType{
"image_id": diff.AttrTypeCreate,
"instance_id": diff.AttrTypeCreate,
"instance_type": diff.AttrTypeCreate,
"key_name": diff.AttrTypeCreate,
"name": diff.AttrTypeCreate,
"security_groups": diff.AttrTypeCreate,
"user_data": diff.AttrTypeCreate,
},
ComputedAttrs: []string{
"key_name",
},
}
return b.Diff(s, c)
}
func resource_aws_launch_configuration_update_state(
s *terraform.ResourceState,
lc *autoscaling.LaunchConfiguration) (*terraform.ResourceState, error) {
s.Attributes["image_id"] = lc.ImageId
s.Attributes["instance_type"] = lc.InstanceType
s.Attributes["key_name"] = lc.KeyName
s.Attributes["name"] = lc.Name
// Flatten our group values
toFlatten := make(map[string]interface{})
if len(lc.SecurityGroups) > 0 && lc.SecurityGroups[0].SecurityGroup != "" {
toFlatten["security_groups"] = flattenAutoscalingSecurityGroups(lc.SecurityGroups)
}
for k, v := range flatmap.Flatten(toFlatten) {
s.Attributes[k] = v
}
return s, nil
}
// Returns a single group by it's ID
func resource_aws_launch_configuration_retrieve(id string, autoscalingconn *autoscaling.AutoScaling) (*autoscaling.LaunchConfiguration, error) {
describeOpts := autoscaling.DescribeLaunchConfigurations{
Names: []string{id},
}
log.Printf("[DEBUG] launch configuration describe configuration: %#v", describeOpts)
describConfs, err := autoscalingconn.DescribeLaunchConfigurations(&describeOpts)
if err != nil {
return nil, fmt.Errorf("Error retrieving launch configuration: %s", err)
}
// Verify AWS returned our launch configuration
if len(describConfs.LaunchConfigurations) != 1 ||
describConfs.LaunchConfigurations[0].Name != id {
if err != nil {
return nil, fmt.Errorf("Unable to find launch configuration: %#v", describConfs.LaunchConfigurations)
}
}
l := describConfs.LaunchConfigurations[0]
return &l, nil
}
func resource_aws_launch_configuration_validation() *config.Validator {
return &config.Validator{
Required: []string{
"name",
"image_id",
"instance_type",
},
Optional: []string{
"key_name",
"security_groups.*",
"user_data",
},
}
}