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azure: Allow user to set custom data

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pull/3996/head
Christopher Boumenot 10 years ago
parent ca3b4563e0
commit 7d07fa7afc
6 changed files with 266 additions and 0 deletions
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21
builder/azure/arm/config.go
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@ -79,6 +79,8 @@ type Config struct {
VirtualNetworkName string `mapstructure:"virtual_network_name"`
VirtualNetworkSubnetName string `mapstructure:"virtual_network_subnet_name"`
VirtualNetworkResourceGroupName string `mapstructure:"virtual_network_resource_group_name"`
CustomDataFile string `mapstructure:"custom_data_file"`
customData string
// OS
OSType string `mapstructure:"os_type"`
@ -203,6 +205,11 @@ func newConfig(raws ...interface{}) (*Config, []string, error) {
return nil, nil, err
}
err = setCustomData(&c)
if err != nil {
return nil, nil, err
}
// NOTE: if the user did not specify a communicator, then default to both
// SSH and WinRM. This is for backwards compatibility because the code did
// not specifically force the user to set a communicator.
@ -338,6 +345,20 @@ func setCloudEnvironment(c *Config) error {
return err
}
func setCustomData(c *Config) error {
if c.CustomDataFile == "" {
return nil
}
b, err := ioutil.ReadFile(c.CustomDataFile)
if err != nil {
return err
}
c.customData = base64.StdEncoding.EncodeToString(b)
return nil
}
func provideDefaultValues(c *Config) {
if c.VMSize == "" {
c.VMSize = DefaultVMSize

23
builder/azure/arm/config_test.go
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@ -673,6 +673,29 @@ func TestConfigShouldRejectExcessiveTagValueLength(t *testing.T) {
}
}
func TestConfigShouldRejectMissingCustomDataFile(t *testing.T) {
config := map[string]interface{}{
"capture_name_prefix": "ignore",
"capture_container_name": "ignore",
"image_offer": "ignore",
"image_publisher": "ignore",
"image_sku": "ignore",
"location": "ignore",
"storage_account": "ignore",
"resource_group_name": "ignore",
"subscription_id": "ignore",
"communicator": "none",
// Does not matter for this test case, just pick one.
"os_type": constants.Target_Linux,
"custom_data_file": "/this/file/does/not/exist",
}
_, _, err := newConfig(config, getPackerConfiguration())
if err == nil {
t.Fatal("expected config to reject missing custom data file")
}
}
func getArmBuilderConfiguration() map[string]string {
m := make(map[string]string)
for _, v := range requiredConfigValues {

4
builder/azure/arm/template_factory.go
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@ -59,6 +59,10 @@ func GetVirtualMachineDeployment(config *Config) (*resources.Deployment, error)
builder.SetOSDiskSizeGB(config.OSDiskSizeGB)
}
if config.customData != "" {
builder.SetCustomData(config.customData)
}
if config.VirtualNetworkName != "" {
builder.SetVirtualNetwork(
config.VirtualNetworkResourceGroupName,

160
builder/azure/arm/template_factory_test.TestVirtualMachineDeployment07.approved.json
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@ -0,0 +1,160 @@
{
"$schema": "http://schema.management.azure.com/schemas/2014-04-01-preview/deploymentTemplate.json",
"contentVersion": "1.0.0.0",
"parameters": {
"adminPassword": {
"type": "string"
},
"adminUsername": {
"type": "string"
},
"dnsNameForPublicIP": {
"type": "string"
},
"osDiskName": {
"type": "string"
},
"storageAccountBlobEndpoint": {
"type": "string"
},
"vmName": {
"type": "string"
},
"vmSize": {
"type": "string"
}
},
"resources": [
{
"apiVersion": "[variables('apiVersion')]",
"location": "[variables('location')]",
"name": "[variables('publicIPAddressName')]",
"properties": {
"dnsSettings": {
"domainNameLabel": "[parameters('dnsNameForPublicIP')]"
},
"publicIPAllocationMethod": "[variables('publicIPAddressType')]"
},
"type": "Microsoft.Network/publicIPAddresses"
},
{
"apiVersion": "[variables('apiVersion')]",
"location": "[variables('location')]",
"name": "[variables('virtualNetworkName')]",
"properties": {
"addressSpace": {
"addressPrefixes": [
"[variables('addressPrefix')]"
]
},
"subnets": [
{
"name": "[variables('subnetName')]",
"properties": {
"addressPrefix": "[variables('subnetAddressPrefix')]"
}
}
]
},
"type": "Microsoft.Network/virtualNetworks"
},
{
"apiVersion": "[variables('apiVersion')]",
"dependsOn": [
"[concat('Microsoft.Network/publicIPAddresses/', variables('publicIPAddressName'))]",
"[concat('Microsoft.Network/virtualNetworks/', variables('virtualNetworkName'))]"
],
"location": "[variables('location')]",
"name": "[variables('nicName')]",
"properties": {
"ipConfigurations": [
{
"name": "ipconfig",
"properties": {
"privateIPAllocationMethod": "Dynamic",
"publicIPAddress": {
"id": "[resourceId('Microsoft.Network/publicIPAddresses', variables('publicIPAddressName'))]"
},
"subnet": {
"id": "[variables('subnetRef')]"
}
}
}
]
},
"type": "Microsoft.Network/networkInterfaces"
},
{
"apiVersion": "[variables('apiVersion')]",
"dependsOn": [
"[concat('Microsoft.Network/networkInterfaces/', variables('nicName'))]"
],
"location": "[variables('location')]",
"name": "[parameters('vmName')]",
"properties": {
"diagnosticsProfile": {
"bootDiagnostics": {
"enabled": false
}
},
"hardwareProfile": {
"vmSize": "[parameters('vmSize')]"
},
"networkProfile": {
"networkInterfaces": [
{
"id": "[resourceId('Microsoft.Network/networkInterfaces', variables('nicName'))]"
}
]
},
"osProfile": {
"adminPassword": "[parameters('adminPassword')]",
"adminUsername": "[parameters('adminUsername')]",
"computerName": "[parameters('vmName')]",
"customData": "I2Nsb3VkLWNvbmZpZwpncm93cGFydDoKICBtb2RlOiBvZmYK",
"linuxConfiguration": {
"ssh": {
"publicKeys": [
{
"keyData": "",
"path": "[variables('sshKeyPath')]"
}
]
}
}
},
"storageProfile": {
"osDisk": {
"caching": "ReadWrite",
"createOption": "FromImage",
"image": {
"uri": "https://localhost/custom.vhd"
},
"name": "osdisk",
"osType": "Linux",
"vhd": {
"uri": "[concat(parameters('storageAccountBlobEndpoint'),variables('vmStorageAccountContainerName'),'/', parameters('osDiskName'),'.vhd')]"
}
}
}
},
"type": "Microsoft.Compute/virtualMachines"
}
],
"variables": {
"addressPrefix": "10.0.0.0/16",
"apiVersion": "2015-06-15",
"location": "[resourceGroup().location]",
"nicName": "packerNic",
"publicIPAddressName": "packerPublicIP",
"publicIPAddressType": "Dynamic",
"sshKeyPath": "[concat('/home/',parameters('adminUsername'),'/.ssh/authorized_keys')]",
"subnetAddressPrefix": "10.0.0.0/24",
"subnetName": "packerSubnet",
"subnetRef": "[concat(variables('vnetID'),'/subnets/',variables('subnetName'))]",
"virtualNetworkName": "packerNetwork",
"virtualNetworkResourceGroup": "[resourceGroup().name]",
"vmStorageAccountContainerName": "images",
"vnetID": "[resourceId(variables('virtualNetworkResourceGroup'), 'Microsoft.Network/virtualNetworks', variables('virtualNetworkName'))]"
}
}

46
builder/azure/arm/template_factory_test.go
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@ -1,6 +1,7 @@
package arm
import (
"encoding/base64"
"encoding/json"
"testing"
@ -212,6 +213,51 @@ func TestVirtualMachineDeployment06(t *testing.T) {
}
}
// Verify that custom data are properly inserted
func TestVirtualMachineDeployment07(t *testing.T) {
config := map[string]interface{}{
"capture_name_prefix": "ignore",
"capture_container_name": "ignore",
"location": "ignore",
"image_url": "https://localhost/custom.vhd",
"resource_group_name": "ignore",
"storage_account": "ignore",
"subscription_id": "ignore",
"os_type": constants.Target_Linux,
"communicator": "none",
}
c, _, err := newConfig(config, getPackerConfiguration())
if err != nil {
t.Fatal(err)
}
// The user specifies a configuration value for the setting custom_data_file.
// The config type will read that file, and base64 encode it. The encoded
// contents are then assigned to Config's customData property, which are directly
// injected into the template.
//
// I am not aware of an easy to mimic this situation in a test without having
// a file on disk, which I am loathe to do. The alternative is to inject base64
// encoded data myself, which is what I am doing here.
customData := `#cloud-config
growpart:
mode: off
`
base64CustomData := base64.StdEncoding.EncodeToString([]byte(customData))
c.customData = base64CustomData
deployment, err := GetVirtualMachineDeployment(c)
if err != nil {
t.Fatal(err)
}
err = approvaltests.VerifyJSONStruct(t, deployment.Properties.Template)
if err != nil {
t.Fatal(err)
}
}
// Ensure the link values are not set, and the concrete values are set.
func TestKeyVaultDeployment00(t *testing.T) {
c, _, _ := newConfig(getArmBuilderConfiguration(), getPackerConfiguration())

12
builder/azure/common/template/template_builder.go
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@ -140,6 +140,18 @@ func (s *TemplateBuilder) SetOSDiskSizeGB(diskSizeGB int32) error {
return nil
}
func (s *TemplateBuilder) SetCustomData(customData string) error {
resource, err := s.getResourceByType(resourceVirtualMachine)
if err != nil {
return err
}
profile := resource.Properties.OsProfile
profile.CustomData = to.StringPtr(customData)
return nil
}
func (s *TemplateBuilder) SetVirtualNetwork(virtualNetworkResourceGroup, virtualNetworkName, subnetName string) error {
s.setVariable("virtualNetworkResourceGroup", virtualNetworkResourceGroup)
s.setVariable("virtualNetworkName", virtualNetworkName)

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