packer-cn/builder/cloudstack/config.go

317 lines
12 KiB
Go

//go:generate struct-markdown
//go:generate mapstructure-to-hcl2 -type Config
package cloudstack
import (
"errors"
"fmt"
"os"
"time"
"github.com/hashicorp/packer-plugin-sdk/common"
"github.com/hashicorp/packer-plugin-sdk/communicator"
"github.com/hashicorp/packer-plugin-sdk/multistep/commonsteps"
packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
"github.com/hashicorp/packer-plugin-sdk/template/config"
"github.com/hashicorp/packer-plugin-sdk/template/interpolate"
"github.com/hashicorp/packer-plugin-sdk/uuid"
)
// Config holds all the details needed to configure the builder.
type Config struct {
common.PackerConfig `mapstructure:",squash"`
commonsteps.HTTPConfig `mapstructure:",squash"`
Comm communicator.Config `mapstructure:",squash"`
// The CloudStack API endpoint we will connect to. It can
// also be specified via environment variable CLOUDSTACK_API_URL, if set.
APIURL string `mapstructure:"api_url" required:"true"`
// The API key used to sign all API requests. It can also
// be specified via environment variable CLOUDSTACK_API_KEY, if set.
APIKey string `mapstructure:"api_key" required:"true"`
// The secret key used to sign all API requests. It
// can also be specified via environment variable CLOUDSTACK_SECRET_KEY, if
// set.
SecretKey string `mapstructure:"secret_key" required:"true"`
// The time duration to wait for async calls to
// finish. Defaults to 30m.
AsyncTimeout time.Duration `mapstructure:"async_timeout" required:"false"`
// Some cloud providers only allow HTTP GET calls
// to their CloudStack API. If using such a provider, you need to set this to
// true in order for the provider to only make GET calls and no POST calls.
HTTPGetOnly bool `mapstructure:"http_get_only" required:"false"`
// Set to true to skip SSL verification.
// Defaults to false.
SSLNoVerify bool `mapstructure:"ssl_no_verify" required:"false"`
// List of CIDR's that will have access to the new
// instance. This is needed in order for any provisioners to be able to
// connect to the instance. Defaults to [ "0.0.0.0/0" ]. Only required when
// use_local_ip_address is false.
CIDRList []string `mapstructure:"cidr_list" required:"false"`
// If true a temporary security group
// will be created which allows traffic towards the instance from the
// cidr_list. This option will be ignored if security_groups is also
// defined. Requires expunge set to true. Defaults to false.
CreateSecurityGroup bool `mapstructure:"create_security_group" required:"false"`
// The name or ID of the disk offering used for the
// instance. This option is only available (and also required) when using
// source_iso.
DiskOffering string `mapstructure:"disk_offering" required:"false"`
// The size (in GB) of the root disk of the new
// instance. This option is only available when using source_template.
DiskSize int64 `mapstructure:"disk_size" required:"false"`
// If `true` make a call to the CloudStack API, after loading image to
// cache, requesting to check and detach ISO file (if any) currently
// attached to a virtual machine. Defaults to `false`. This option is only
// available when using `source_iso`.
EjectISO bool `mapstructure:"eject_iso"`
// Configure the duration time to wait, making sure virtual machine is able
// to finish installing OS before it ejects safely. Requires `eject_iso`
// set to `true` and this option is only available when using `source_iso`.
EjectISODelay time.Duration `mapstructure:"eject_iso_delay"`
// Set to true to expunge the instance when it is
// destroyed. Defaults to false.
Expunge bool `mapstructure:"expunge" required:"false"`
// The target hypervisor (e.g. XenServer, KVM) for
// the new template. This option is required when using source_iso.
Hypervisor string `mapstructure:"hypervisor" required:"false"`
// The name of the instance. Defaults to
// "packer-UUID" where UUID is dynamically generated.
InstanceName string `mapstructure:"instance_name" required:"false"`
// The display name of the instance. Defaults to "Created by Packer".
InstanceDisplayName string `mapstructure:"instance_display_name" required:"false"`
// The name or ID of the network to connect the instance
// to.
Network string `mapstructure:"network" required:"true"`
// The name or ID of the project to deploy the instance
// to.
Project string `mapstructure:"project" required:"false"`
// The public IP address or it's ID used for
// connecting any provisioners to. If not provided, a temporary public IP
// address will be associated and released during the Packer run.
PublicIPAddress string `mapstructure:"public_ip_address" required:"false"`
// The fixed port you want to configure in the port
// forwarding rule. Set this attribute if you do not want to use the a random
// public port.
PublicPort int `mapstructure:"public_port" required:"false"`
// A list of security group IDs or
// names to associate the instance with.
SecurityGroups []string `mapstructure:"security_groups" required:"false"`
// The name or ID of the service offering used
// for the instance.
ServiceOffering string `mapstructure:"service_offering" required:"true"`
// Set to true to prevent network
// ACLs or firewall rules creation. Defaults to false.
PreventFirewallChanges bool `mapstructure:"prevent_firewall_changes" required:"false"`
// The name or ID of an ISO that will be mounted
// before booting the instance. This option is mutually exclusive with
// source_template. When using source_iso, both disk_offering and
// hypervisor are required.
SourceISO string `mapstructure:"source_iso" required:"true"`
// The name or ID of the template used as base
// template for the instance. This option is mutually exclusive with
// source_iso.
SourceTemplate string `mapstructure:"source_template" required:"true"`
// The name of the temporary SSH key pair
// to generate. By default, Packer generates a name that looks like
// `packer_<UUID>`, where `<UUID>` is a 36 character unique identifier.
TemporaryKeypairName string `mapstructure:"temporary_keypair_name" required:"false"`
// Set to true to indicate that the
// provisioners should connect to the local IP address of the instance.
UseLocalIPAddress bool `mapstructure:"use_local_ip_address" required:"false"`
// User data to launch with the instance. This is a
// template engine; see "User Data" below for
// more details. Packer will not automatically wait for a user script to
// finish before shutting down the instance this must be handled in a
// provisioner.
UserData string `mapstructure:"user_data" required:"false"`
// Path to a file that will be used for the user
// data when launching the instance. This file will be parsed as a template
// engine see User Data below for more
// details.
UserDataFile string `mapstructure:"user_data_file" required:"false"`
// The name or ID of the zone where the instance will be
// created.
Zone string `mapstructure:"zone" required:"true"`
// The name of the new template. Defaults to
// `packer-{{timestamp}}` where timestamp will be the current time.
TemplateName string `mapstructure:"template_name" required:"false"`
// The display text of the new template.
// Defaults to the template_name.
TemplateDisplayText string `mapstructure:"template_display_text" required:"false"`
// The name or ID of the template OS for the new
// template that will be created.
TemplateOS string `mapstructure:"template_os" required:"true"`
// Set to true to indicate that the template
// is featured. Defaults to false.
TemplateFeatured bool `mapstructure:"template_featured" required:"false"`
// Set to true to indicate that the template
// is available for all accounts. Defaults to false.
TemplatePublic bool `mapstructure:"template_public" required:"false"`
// Set to true to indicate the
// template should be password enabled. Defaults to false.
TemplatePasswordEnabled bool `mapstructure:"template_password_enabled" required:"false"`
// Set to true to indicate the template
// requires hardware-assisted virtualization. Defaults to false.
TemplateRequiresHVM bool `mapstructure:"template_requires_hvm" required:"false"`
// Set to true to indicate that the template
// contains tools to support dynamic scaling of VM cpu/memory. Defaults to
// false.
TemplateScalable bool `mapstructure:"template_scalable" required:"false"`
//
TemplateTag string `mapstructure:"template_tag"`
Tags map[string]string `mapstructure:"tags"`
ctx interpolate.Context
}
// NewConfig parses and validates the given config.
func (c *Config) Prepare(raws ...interface{}) error {
err := config.Decode(c, &config.DecodeOpts{
Interpolate: true,
InterpolateContext: &c.ctx,
InterpolateFilter: &interpolate.RenderFilter{
Exclude: []string{
"user_data",
},
},
}, raws...)
if err != nil {
return err
}
var errs *packersdk.MultiError
// Set some defaults.
if c.APIURL == "" {
// Default to environment variable for api_url, if it exists
c.APIURL = os.Getenv("CLOUDSTACK_API_URL")
}
if c.APIKey == "" {
// Default to environment variable for api_key, if it exists
c.APIKey = os.Getenv("CLOUDSTACK_API_KEY")
}
if c.SecretKey == "" {
// Default to environment variable for secret_key, if it exists
c.SecretKey = os.Getenv("CLOUDSTACK_SECRET_KEY")
}
if c.AsyncTimeout == 0 {
c.AsyncTimeout = 30 * time.Minute
}
if len(c.CIDRList) == 0 {
c.CIDRList = []string{"0.0.0.0/0"}
}
if c.InstanceName == "" {
c.InstanceName = fmt.Sprintf("packer-%s", uuid.TimeOrderedUUID())
}
if c.InstanceDisplayName == "" {
c.InstanceDisplayName = "Created by Packer"
}
if c.TemplateName == "" {
name, err := interpolate.Render("packer-{{timestamp}}", nil)
if err != nil {
errs = packersdk.MultiErrorAppend(errs,
fmt.Errorf("Unable to parse template name: %s ", err))
}
c.TemplateName = name
}
if c.TemplateDisplayText == "" {
c.TemplateDisplayText = c.TemplateName
}
// If we are not given an explicit keypair, ssh_password or ssh_private_key_file,
// then create a temporary one, but only if the temporary_keypair_name has not
// been provided.
if c.Comm.SSHKeyPairName == "" && c.Comm.SSHTemporaryKeyPairName == "" &&
c.Comm.SSHPrivateKeyFile == "" && c.Comm.SSHPassword == "" {
c.Comm.SSHTemporaryKeyPairName = fmt.Sprintf("packer_%s", uuid.TimeOrderedUUID())
}
// Process required parameters.
if c.APIURL == "" {
errs = packersdk.MultiErrorAppend(errs, errors.New("a api_url must be specified"))
}
if c.APIKey == "" {
errs = packersdk.MultiErrorAppend(errs, errors.New("a api_key must be specified"))
}
if c.SecretKey == "" {
errs = packersdk.MultiErrorAppend(errs, errors.New("a secret_key must be specified"))
}
if c.Network == "" {
errs = packersdk.MultiErrorAppend(errs, errors.New("a network must be specified"))
}
if c.CreateSecurityGroup && !c.Expunge {
errs = packersdk.MultiErrorAppend(errs, errors.New("auto creating a temporary security group requires expunge"))
}
if c.ServiceOffering == "" {
errs = packersdk.MultiErrorAppend(errs, errors.New("a service_offering must be specified"))
}
if c.SourceISO == "" && c.SourceTemplate == "" {
errs = packersdk.MultiErrorAppend(
errs, errors.New("either source_iso or source_template must be specified"))
}
if c.SourceISO != "" && c.SourceTemplate != "" {
errs = packersdk.MultiErrorAppend(
errs, errors.New("only one of source_iso or source_template can be specified"))
}
if c.SourceISO != "" && c.DiskOffering == "" {
errs = packersdk.MultiErrorAppend(
errs, errors.New("a disk_offering must be specified when using source_iso"))
}
if c.SourceISO != "" && c.Hypervisor == "" {
errs = packersdk.MultiErrorAppend(
errs, errors.New("a hypervisor must be specified when using source_iso"))
}
if c.TemplateOS == "" {
errs = packersdk.MultiErrorAppend(errs, errors.New("a template_os must be specified"))
}
if c.UserData != "" && c.UserDataFile != "" {
errs = packersdk.MultiErrorAppend(
errs, errors.New("only one of user_data or user_data_file can be specified"))
}
if c.UserDataFile != "" {
if _, err := os.Stat(c.UserDataFile); err != nil {
errs = packersdk.MultiErrorAppend(
errs, fmt.Errorf("user_data_file not found: %s", c.UserDataFile))
}
}
if c.Zone == "" {
errs = packersdk.MultiErrorAppend(errs, errors.New("a zone must be specified"))
}
if es := c.Comm.Prepare(&c.ctx); len(es) > 0 {
errs = packersdk.MultiErrorAppend(errs, es...)
}
// Check for errors and return if we have any.
if errs != nil && len(errs.Errors) > 0 {
return errs
}
return nil
}