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Add option to enable enhanced networking (SriovNetSupport) for images.

This commit is contained in:
James Massara 2014-06-04 14:58:11 -07:00
parent 1dcaf17168
commit be27ecc64b
9 changed files with 127 additions and 23 deletions
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11
builder/amazon/chroot/builder.go
View File

@ -7,13 +7,14 @@ package chroot
import (
"errors"
"fmt"
"log"
"runtime"
"github.com/mitchellh/goamz/ec2"
"github.com/mitchellh/multistep"
awscommon "github.com/mitchellh/packer/builder/amazon/common"
"github.com/mitchellh/packer/common"
"github.com/mitchellh/packer/packer"
"log"
"runtime"
)
// The unique ID for this builder
@ -182,7 +183,11 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
// Build the steps
steps := []multistep.Step{
&StepInstanceInfo{},
&StepSourceAMIInfo{},
&awscommon.StepSourceAMIInfo{
SourceAmi: b.config.SourceAmi,
EnhancedNetworking: b.config.AMIEnhancedNetworking,
},
&StepCheckRootDevice{},
&StepFlock{},
&StepPrepareDevice{},
&StepCreateVolume{},

31
builder/amazon/chroot/step_check_root_device.go Normal file
View File

@ -0,0 +1,31 @@
package chroot
import (
"fmt"
"github.com/mitchellh/goamz/ec2"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
)
// StepCheckRootDevice makes sure the root device on the AMI is EBS-backed.
type StepCheckRootDevice struct{}
func (s *StepCheckRootDevice) Run(state multistep.StateBag) multistep.StepAction {
image := state.Get("ec2").(*ec2.Image)
ui := state.Get("ui").(packer.Ui)
ui.Say("Checking the root device on source AMI...")
// It must be EBS-backed otherwise the build won't work
if image.RootDeviceType != "ebs" {
err := fmt.Errorf("The root device of the source AMI must be EBS-backed.")
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
return multistep.ActionContinue
}
func (s *StepCheckRootDevice) Cleanup(multistep.StateBag) {}

6
builder/amazon/chroot/step_register_ami.go
View File

@ -2,6 +2,7 @@ package chroot
import (
"fmt"
"github.com/mitchellh/goamz/ec2"
"github.com/mitchellh/multistep"
awscommon "github.com/mitchellh/packer/builder/amazon/common"
@ -38,6 +39,11 @@ func (s *StepRegisterAMI) Run(state multistep.StateBag) multistep.StepAction {
BlockDevices: blockDevices,
}
// Set SriovNetSupport to "simple". See http://goo.gl/icuXh5
if config.AMIEnhancedNetworking {
registerOpts.SriovNetSupport = "simple"
}
registerResp, err := ec2conn.RegisterImage(registerOpts)
if err != nil {
state.Put("error", fmt.Errorf("Error registering AMI: %s", err))

18
builder/amazon/common/ami_config.go
View File

@ -2,20 +2,22 @@ package common
import (
"fmt"
"github.com/mitchellh/goamz/aws"
"github.com/mitchellh/packer/packer"
)
// AMIConfig is for common configuration related to creating AMIs.
type AMIConfig struct {
AMIName string `mapstructure:"ami_name"`
AMIDescription string `mapstructure:"ami_description"`
AMIVirtType string `mapstructure:"ami_virtualization_type"`
AMIUsers []string `mapstructure:"ami_users"`
AMIGroups []string `mapstructure:"ami_groups"`
AMIProductCodes []string `mapstructure:"ami_product_codes"`
AMIRegions []string `mapstructure:"ami_regions"`
AMITags map[string]string `mapstructure:"tags"`
AMIName string `mapstructure:"ami_name"`
AMIDescription string `mapstructure:"ami_description"`
AMIVirtType string `mapstructure:"ami_virtualization_type"`
AMIUsers []string `mapstructure:"ami_users"`
AMIGroups []string `mapstructure:"ami_groups"`
AMIProductCodes []string `mapstructure:"ami_product_codes"`
AMIRegions []string `mapstructure:"ami_regions"`
AMITags map[string]string `mapstructure:"tags"`
AMIEnhancedNetworking bool `mapstructure:"enhanced_networking"`
}
func (c *AMIConfig) Prepare(t *packer.ConfigTemplate) []error {

20
builder/amazon/chroot/step_source_ami_info.go → builder/amazon/common/step_source_ami_info.go
View File

@ -1,7 +1,8 @@
package chroot
package common
import (
"fmt"
"github.com/mitchellh/goamz/ec2"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
@ -12,15 +13,17 @@ import (
//
// Produces:
// source_image *ec2.Image - the source AMI info
type StepSourceAMIInfo struct{}
type StepSourceAMIInfo struct {
SourceAmi string
EnhancedNetworking bool
}
func (s *StepSourceAMIInfo) Run(state multistep.StateBag) multistep.StepAction {
config := state.Get("config").(*Config)
ec2conn := state.Get("ec2").(*ec2.EC2)
ui := state.Get("ui").(packer.Ui)
ui.Say("Inspecting the source AMI...")
imageResp, err := ec2conn.Images([]string{config.SourceAmi}, ec2.NewFilter())
imageResp, err := ec2conn.Images([]string{s.SourceAmi}, ec2.NewFilter())
if err != nil {
err := fmt.Errorf("Error querying AMI: %s", err)
state.Put("error", err)
@ -29,7 +32,7 @@ func (s *StepSourceAMIInfo) Run(state multistep.StateBag) multistep.StepAction {
}
if len(imageResp.Images) == 0 {
err := fmt.Errorf("Source AMI '%s' was not found!", config.SourceAmi)
err := fmt.Errorf("Source AMI '%s' was not found!", s.SourceAmi)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
@ -37,9 +40,10 @@ func (s *StepSourceAMIInfo) Run(state multistep.StateBag) multistep.StepAction {
image := &imageResp.Images[0]
// It must be EBS-backed otherwise the build won't work
if image.RootDeviceType != "ebs" {
err := fmt.Errorf("The root device of the source AMI must be EBS-backed.")
// Enhanced Networking (SriovNetSupport) can only be enabled on HVM AMIs.
// See http://goo.gl/icuXh5
if s.EnhancedNetworking && image.VirtualizationType != "hvm" {
err := fmt.Errorf("Cannot enable enhanced networking, source AMI '%s' is not HVM", s.SourceAmi)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt

8
builder/amazon/ebs/builder.go
View File

@ -7,12 +7,13 @@ package ebs
import (
"fmt"
"log"
"github.com/mitchellh/goamz/ec2"
"github.com/mitchellh/multistep"
awscommon "github.com/mitchellh/packer/builder/amazon/common"
"github.com/mitchellh/packer/common"
"github.com/mitchellh/packer/packer"
"log"
)
// The unique ID for this builder
@ -82,6 +83,10 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
// Build the steps
steps := []multistep.Step{
&awscommon.StepSourceAMIInfo{
SourceAmi: b.config.SourceAmi,
EnhancedNetworking: b.config.AMIEnhancedNetworking,
},
&awscommon.StepKeyPair{
Debug: b.config.PackerDebug,
DebugKeyPath: fmt.Sprintf("ec2_%s.pem", b.config.PackerBuildName),
@ -114,6 +119,7 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
},
&common.StepProvision{},
&stepStopInstance{},
&stepModifyInstance{},
&stepCreateAMI{},
&awscommon.StepAMIRegionCopy{
Regions: b.config.AMIRegions,

39
builder/amazon/ebs/step_modify_instance.go Normal file
View File

@ -0,0 +1,39 @@
package ebs
import (
"fmt"
"github.com/mitchellh/goamz/ec2"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
)
type stepModifyInstance struct{}
func (s *stepModifyInstance) Run(state multistep.StateBag) multistep.StepAction {
config := state.Get("config").(config)
ec2conn := state.Get("ec2").(*ec2.EC2)
instance := state.Get("instance").(*ec2.Instance)
ui := state.Get("ui").(packer.Ui)
// Set SriovNetSupport to "simple". See http://goo.gl/icuXh5
if config.AMIEnhancedNetworking {
ui.Say("Enabling Enhanced Networking...")
_, err := ec2conn.ModifyInstance(
instance.InstanceId,
&ec2.ModifyInstance{SriovNetSupport: true},
)
if err != nil {
err := fmt.Errorf("Error enabling Enhanced Networking on %s: %s", instance.InstanceId, err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
}
return multistep.ActionContinue
}
func (s *stepModifyInstance) Cleanup(state multistep.StateBag) {
// No cleanup...
}

11
builder/amazon/instance/builder.go
View File

@ -5,14 +5,15 @@ package instance
import (
"errors"
"fmt"
"log"
"os"
"strings"
"github.com/mitchellh/goamz/ec2"
"github.com/mitchellh/multistep"
awscommon "github.com/mitchellh/packer/builder/amazon/common"
"github.com/mitchellh/packer/common"
"github.com/mitchellh/packer/packer"
"log"
"os"
"strings"
)
// The unique ID for this builder
@ -186,6 +187,10 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
// Build the steps
steps := []multistep.Step{
&awscommon.StepSourceAMIInfo{
SourceAmi: b.config.SourceAmi,
EnhancedNetworking: b.config.AMIEnhancedNetworking,
},
&awscommon.StepKeyPair{
Debug: b.config.PackerDebug,
DebugKeyPath: fmt.Sprintf("ec2_%s.pem", b.config.PackerBuildName),

6
builder/amazon/instance/step_register_ami.go
View File

@ -2,6 +2,7 @@ package instance
import (
"fmt"
"github.com/mitchellh/goamz/ec2"
"github.com/mitchellh/multistep"
awscommon "github.com/mitchellh/packer/builder/amazon/common"
@ -24,6 +25,11 @@ func (s *StepRegisterAMI) Run(state multistep.StateBag) multistep.StepAction {
VirtType: config.AMIVirtType,
}
// Set SriovNetSupport to "simple". See http://goo.gl/icuXh5
if config.AMIEnhancedNetworking {
registerOpts.SriovNetSupport = "simple"
}
registerResp, err := ec2conn.RegisterImage(registerOpts)
if err != nil {
state.Put("error", fmt.Errorf("Error registering AMI: %s", err))