providers/aws: add elb layout, move instance into it's own namespace
This commit is contained in:
parent
582d81ed03
commit
4c9a4ad041
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@ -0,0 +1,56 @@
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package aws
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import (
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"fmt"
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"log"
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"github.com/hashicorp/terraform/helper/diff"
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"github.com/hashicorp/terraform/terraform"
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"github.com/pearkes/goamz/elb"
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)
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func resource_aws_elb_create(
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s *terraform.ResourceState,
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d *terraform.ResourceDiff,
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meta interface{}) (*terraform.ResourceState, error) {
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p := meta.(*ResourceProvider)
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elbconn := p.elbconn
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// Merge the diff into the state so that we have all the attributes
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// properly.
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rs := s.MergeDiff(d)
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// Create
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return
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}
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func resource_aws_elb_destroy(
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s *terraform.ResourceState,
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meta interface{}) error {
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p := meta.(*ResourceProvider)
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elbconn := p.elbconn
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// destroy
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return
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}
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func resource_aws_elb_diff(
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s *terraform.ResourceState,
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c *terraform.ResourceConfig,
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meta interface{}) (*terraform.ResourceDiff, error) {
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// diff
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}
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func resource_aws_elb_refresh(
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s *terraform.ResourceState,
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meta interface{}) (*terraform.ResourceState, error) {
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p := meta.(*ResourceProvider)
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elbconn := p.elbconn
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// retrieve elb health status and describe instances?
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return
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}
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@ -0,0 +1,152 @@
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package aws
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import (
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"fmt"
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"log"
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"github.com/hashicorp/terraform/helper/diff"
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"github.com/hashicorp/terraform/terraform"
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"github.com/mitchellh/goamz/ec2"
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)
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func resource_aws_instance_create(
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s *terraform.ResourceState,
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d *terraform.ResourceDiff,
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meta interface{}) (*terraform.ResourceState, error) {
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p := meta.(*ResourceProvider)
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ec2conn := p.ec2conn
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// Merge the diff into the state so that we have all the attributes
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// properly.
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rs := s.MergeDiff(d)
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// Create the instance
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runOpts := &ec2.RunInstances{
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ImageId: rs.Attributes["ami"],
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InstanceType: rs.Attributes["instance_type"],
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}
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log.Printf("[DEBUG] Run configuration: %#v", runOpts)
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runResp, err := ec2conn.RunInstances(runOpts)
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if err != nil {
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return nil, fmt.Errorf("Error launching source instance: %s", err)
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}
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instance := &runResp.Instances[0]
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log.Printf("[INFO] Instance ID: %s", instance.InstanceId)
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// Store the resulting ID so we can look this up later
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rs.ID = instance.InstanceId
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// Wait for the instance to become running so we can get some attributes
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// that aren't available until later.
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log.Printf(
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"[DEBUG] Waiting for instance (%s) to become running",
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instance.InstanceId)
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instanceRaw, err := WaitForState(&StateChangeConf{
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Pending: []string{"pending"},
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Target: "running",
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Refresh: InstanceStateRefreshFunc(ec2conn, instance.InstanceId),
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})
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if err != nil {
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return rs, fmt.Errorf(
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"Error waiting for instance (%s) to become ready: %s",
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instance.InstanceId, err)
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}
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instance = instanceRaw.(*ec2.Instance)
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// Set our attributes
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return resource_aws_instance_update_state(rs, instance)
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}
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func resource_aws_instance_destroy(
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s *terraform.ResourceState,
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meta interface{}) error {
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p := meta.(*ResourceProvider)
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ec2conn := p.ec2conn
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log.Printf("[INFO] Terminating instance: %s", s.ID)
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if _, err := ec2conn.TerminateInstances([]string{s.ID}); err != nil {
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return fmt.Errorf("Error terminating instance: %s", err)
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}
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log.Printf(
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"[DEBUG] Waiting for instance (%s) to become terminated",
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s.ID)
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_, err := WaitForState(&StateChangeConf{
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Pending: []string{"pending", "running", "shutting-down", "stopped", "stopping"},
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Target: "terminated",
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Refresh: InstanceStateRefreshFunc(ec2conn, s.ID),
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})
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if err != nil {
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return fmt.Errorf(
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"Error waiting for instance (%s) to terminate: %s",
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s.ID, err)
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}
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return nil
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}
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func resource_aws_instance_diff(
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s *terraform.ResourceState,
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c *terraform.ResourceConfig,
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meta interface{}) (*terraform.ResourceDiff, error) {
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b := &diff.ResourceBuilder{
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CreateComputedAttrs: []string{
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"public_dns",
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"public_ip",
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"private_dns",
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"private_ip",
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},
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RequiresNewAttrs: []string{
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"ami",
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"availability_zone",
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"instance_type",
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},
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}
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return b.Diff(s, c)
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}
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func resource_aws_instance_refresh(
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s *terraform.ResourceState,
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meta interface{}) (*terraform.ResourceState, error) {
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p := meta.(*ResourceProvider)
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ec2conn := p.ec2conn
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resp, err := ec2conn.Instances([]string{s.ID}, ec2.NewFilter())
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if err != nil {
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// If the instance was not found, return nil so that we can show
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// that the instance is gone.
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if ec2err, ok := err.(*ec2.Error); ok && ec2err.Code == "InvalidInstanceID.NotFound" {
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return nil, nil
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}
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// Some other error, report it
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return s, err
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}
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// If nothing was found, then return no state
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if len(resp.Reservations) == 0 {
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return nil, nil
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}
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instance := &resp.Reservations[0].Instances[0]
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// If the instance is terminated, then it is gone
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if instance.State.Name == "terminated" {
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return nil, nil
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}
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return resource_aws_instance_update_state(s, instance)
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}
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func resource_aws_instance_update_state(
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s *terraform.ResourceState,
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instance *ec2.Instance) (*terraform.ResourceState, error) {
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s.Attributes["public_dns"] = instance.DNSName
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s.Attributes["public_ip"] = instance.PublicIpAddress
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s.Attributes["private_dns"] = instance.PrivateDNSName
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s.Attributes["private_ip"] = instance.PrivateIpAddress
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return s, nil
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}
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@ -7,12 +7,14 @@ import (
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"github.com/hashicorp/terraform/helper/multierror"
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"github.com/hashicorp/terraform/terraform"
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"github.com/mitchellh/goamz/ec2"
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"github.com/pearkes/goamz/elb"
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)
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type ResourceProvider struct {
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Config Config
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ec2conn *ec2.EC2
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elbconn *elb.ELB
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}
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func (p *ResourceProvider) Validate(c *terraform.ResourceConfig) ([]string, []error) {
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@ -47,6 +49,8 @@ func (p *ResourceProvider) Configure(c *terraform.ResourceConfig) error {
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if len(errs) == 0 {
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log.Println("Initializing EC2 connection")
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p.ec2conn = ec2.New(auth, region)
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log.Println("Initializing ELB connection")
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p.elbconn = elb.New(auth, region)
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}
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if len(errs) > 0 {
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@ -1,13 +1,7 @@
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package aws
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import (
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"fmt"
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"log"
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"github.com/hashicorp/terraform/helper/diff"
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"github.com/hashicorp/terraform/helper/resource"
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"github.com/hashicorp/terraform/terraform"
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"github.com/mitchellh/goamz/ec2"
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)
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// resourceMap is the mapping of resources we support to their basic
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@ -23,148 +17,12 @@ func init() {
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Diff: resource_aws_instance_diff,
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Refresh: resource_aws_instance_refresh,
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},
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"aws_elastic_load_balancer": resource.Resource{
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Create: resource_aws_elb_create,
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Destroy: resource_aws_elb_destroy,
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Diff: resource_aws_elb_diff,
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Refresh: resource_aws_elb_refresh,
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},
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},
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}
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}
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func resource_aws_instance_create(
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s *terraform.ResourceState,
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d *terraform.ResourceDiff,
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meta interface{}) (*terraform.ResourceState, error) {
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p := meta.(*ResourceProvider)
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ec2conn := p.ec2conn
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// Merge the diff into the state so that we have all the attributes
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// properly.
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rs := s.MergeDiff(d)
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// Create the instance
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runOpts := &ec2.RunInstances{
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ImageId: rs.Attributes["ami"],
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InstanceType: rs.Attributes["instance_type"],
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}
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log.Printf("[DEBUG] Run configuration: %#v", runOpts)
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runResp, err := ec2conn.RunInstances(runOpts)
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if err != nil {
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return nil, fmt.Errorf("Error launching source instance: %s", err)
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}
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instance := &runResp.Instances[0]
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log.Printf("[INFO] Instance ID: %s", instance.InstanceId)
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// Store the resulting ID so we can look this up later
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rs.ID = instance.InstanceId
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// Wait for the instance to become running so we can get some attributes
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// that aren't available until later.
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log.Printf(
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"[DEBUG] Waiting for instance (%s) to become running",
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instance.InstanceId)
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instanceRaw, err := WaitForState(&StateChangeConf{
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Pending: []string{"pending"},
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Target: "running",
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Refresh: InstanceStateRefreshFunc(ec2conn, instance.InstanceId),
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})
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if err != nil {
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return rs, fmt.Errorf(
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"Error waiting for instance (%s) to become ready: %s",
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instance.InstanceId, err)
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}
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instance = instanceRaw.(*ec2.Instance)
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// Set our attributes
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return resource_aws_instance_update_state(rs, instance)
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}
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func resource_aws_instance_destroy(
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s *terraform.ResourceState,
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meta interface{}) error {
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p := meta.(*ResourceProvider)
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ec2conn := p.ec2conn
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log.Printf("[INFO] Terminating instance: %s", s.ID)
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if _, err := ec2conn.TerminateInstances([]string{s.ID}); err != nil {
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return fmt.Errorf("Error terminating instance: %s", err)
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}
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log.Printf(
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"[DEBUG] Waiting for instance (%s) to become terminated",
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s.ID)
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_, err := WaitForState(&StateChangeConf{
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Pending: []string{"pending", "running", "shutting-down", "stopped", "stopping"},
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Target: "terminated",
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Refresh: InstanceStateRefreshFunc(ec2conn, s.ID),
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})
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if err != nil {
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return fmt.Errorf(
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"Error waiting for instance (%s) to terminate: %s",
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s.ID, err)
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}
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return nil
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}
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func resource_aws_instance_diff(
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s *terraform.ResourceState,
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c *terraform.ResourceConfig,
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meta interface{}) (*terraform.ResourceDiff, error) {
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b := &diff.ResourceBuilder{
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Attrs: map[string]diff.AttrType{
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"ami": diff.AttrTypeCreate,
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"availability_zone": diff.AttrTypeCreate,
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"instance_type": diff.AttrTypeCreate,
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},
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ComputedAttrs: []string{
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"public_dns",
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"public_ip",
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"private_dns",
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"private_ip",
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},
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}
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return b.Diff(s, c)
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}
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func resource_aws_instance_refresh(
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s *terraform.ResourceState,
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meta interface{}) (*terraform.ResourceState, error) {
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p := meta.(*ResourceProvider)
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ec2conn := p.ec2conn
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resp, err := ec2conn.Instances([]string{s.ID}, ec2.NewFilter())
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if err != nil {
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// If the instance was not found, return nil so that we can show
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// that the instance is gone.
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if ec2err, ok := err.(*ec2.Error); ok && ec2err.Code == "InvalidInstanceID.NotFound" {
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return nil, nil
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}
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// Some other error, report it
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return s, err
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}
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// If nothing was found, then return no state
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if len(resp.Reservations) == 0 {
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return nil, nil
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}
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instance := &resp.Reservations[0].Instances[0]
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// If the instance is terminated, then it is gone
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if instance.State.Name == "terminated" {
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return nil, nil
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}
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return resource_aws_instance_update_state(s, instance)
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}
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func resource_aws_instance_update_state(
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s *terraform.ResourceState,
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instance *ec2.Instance) (*terraform.ResourceState, error) {
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s.Attributes["public_dns"] = instance.DNSName
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s.Attributes["public_ip"] = instance.PublicIpAddress
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s.Attributes["private_dns"] = instance.PrivateDNSName
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s.Attributes["private_ip"] = instance.PrivateIpAddress
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return s, nil
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}
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