packer-cn/builder/amazon/common/run_config.go

215 lines
8.2 KiB
Go

package common
import (
"fmt"
"net"
"os"
"regexp"
"strings"
"time"
"github.com/hashicorp/packer/common/uuid"
"github.com/hashicorp/packer/helper/communicator"
"github.com/hashicorp/packer/template/interpolate"
)
var reShutdownBehavior = regexp.MustCompile("^(stop|terminate)$")
type AmiFilterOptions struct {
Filters map[*string]*string
Owners []*string
MostRecent bool `mapstructure:"most_recent"`
}
func (d *AmiFilterOptions) Empty() bool {
return len(d.Owners) == 0 && len(d.Filters) == 0
}
func (d *AmiFilterOptions) NoOwner() bool {
return len(d.Owners) == 0
}
type SubnetFilterOptions struct {
Filters map[*string]*string
MostFree bool `mapstructure:"most_free"`
Random bool `mapstructure:"random"`
}
func (d *SubnetFilterOptions) Empty() bool {
return len(d.Filters) == 0
}
type VpcFilterOptions struct {
Filters map[*string]*string
}
func (d *VpcFilterOptions) Empty() bool {
return len(d.Filters) == 0
}
type SecurityGroupFilterOptions struct {
Filters map[*string]*string
}
func (d *SecurityGroupFilterOptions) Empty() bool {
return len(d.Filters) == 0
}
// RunConfig contains configuration for running an instance from a source
// AMI and details on how to access that launched image.
type RunConfig struct {
AssociatePublicIpAddress bool `mapstructure:"associate_public_ip_address"`
AvailabilityZone string `mapstructure:"availability_zone"`
BlockDurationMinutes int64 `mapstructure:"block_duration_minutes"`
DisableStopInstance bool `mapstructure:"disable_stop_instance"`
EbsOptimized bool `mapstructure:"ebs_optimized"`
EnableT2Unlimited bool `mapstructure:"enable_t2_unlimited"`
IamInstanceProfile string `mapstructure:"iam_instance_profile"`
InstanceInitiatedShutdownBehavior string `mapstructure:"shutdown_behavior"`
InstanceType string `mapstructure:"instance_type"`
SecurityGroupFilter SecurityGroupFilterOptions `mapstructure:"security_group_filter"`
RunTags map[string]string `mapstructure:"run_tags"`
SecurityGroupId string `mapstructure:"security_group_id"`
SecurityGroupIds []string `mapstructure:"security_group_ids"`
SourceAmi string `mapstructure:"source_ami"`
SourceAmiFilter AmiFilterOptions `mapstructure:"source_ami_filter"`
SpotInstanceTypes []string `mapstructure:"spot_instance_types"`
SpotPrice string `mapstructure:"spot_price"`
SpotPriceAutoProduct string `mapstructure:"spot_price_auto_product"`
SpotTags map[string]string `mapstructure:"spot_tags"`
SubnetFilter SubnetFilterOptions `mapstructure:"subnet_filter"`
SubnetId string `mapstructure:"subnet_id"`
TemporaryKeyPairName string `mapstructure:"temporary_key_pair_name"`
TemporarySGSourceCidrs []string `mapstructure:"temporary_security_group_source_cidrs"`
UserData string `mapstructure:"user_data"`
UserDataFile string `mapstructure:"user_data_file"`
VpcFilter VpcFilterOptions `mapstructure:"vpc_filter"`
VpcId string `mapstructure:"vpc_id"`
WindowsPasswordTimeout time.Duration `mapstructure:"windows_password_timeout"`
// Communicator settings
Comm communicator.Config `mapstructure:",squash"`
SSHInterface string `mapstructure:"ssh_interface"`
}
func (c *RunConfig) Prepare(ctx *interpolate.Context) []error {
// If we are not given an explicit ssh_keypair_name or
// ssh_private_key_file, then create a temporary one, but only if the
// temporary_key_pair_name has not been provided and we are not using
// ssh_password.
if c.Comm.SSHKeyPairName == "" && c.Comm.SSHTemporaryKeyPairName == "" &&
c.Comm.SSHPrivateKeyFile == "" && c.Comm.SSHPassword == "" {
c.Comm.SSHTemporaryKeyPairName = fmt.Sprintf("packer_%s", uuid.TimeOrderedUUID())
}
if c.WindowsPasswordTimeout == 0 {
c.WindowsPasswordTimeout = 20 * time.Minute
}
if c.RunTags == nil {
c.RunTags = make(map[string]string)
}
// Validation
errs := c.Comm.Prepare(ctx)
// Validating ssh_interface
if c.SSHInterface != "public_ip" &&
c.SSHInterface != "private_ip" &&
c.SSHInterface != "public_dns" &&
c.SSHInterface != "private_dns" &&
c.SSHInterface != "" {
errs = append(errs, fmt.Errorf("Unknown interface type: %s", c.SSHInterface))
}
if c.Comm.SSHKeyPairName != "" {
if c.Comm.Type == "winrm" && c.Comm.WinRMPassword == "" && c.Comm.SSHPrivateKeyFile == "" {
errs = append(errs, fmt.Errorf("ssh_private_key_file must be provided to retrieve the winrm password when using ssh_keypair_name."))
} else if c.Comm.SSHPrivateKeyFile == "" && !c.Comm.SSHAgentAuth {
errs = append(errs, fmt.Errorf("ssh_private_key_file must be provided or ssh_agent_auth enabled when ssh_keypair_name is specified."))
}
}
if c.SourceAmi == "" && c.SourceAmiFilter.Empty() {
errs = append(errs, fmt.Errorf("A source_ami or source_ami_filter must be specified"))
}
if c.SourceAmi == "" && c.SourceAmiFilter.NoOwner() {
errs = append(errs, fmt.Errorf("For security reasons, your source AMI filter must declare an owner."))
}
if c.InstanceType == "" && len(c.SpotInstanceTypes) == 0 {
errs = append(errs, fmt.Errorf("either instance_type or "+
"spot_instance_types must be specified"))
}
if c.InstanceType != "" && len(c.SpotInstanceTypes) > 0 {
errs = append(errs, fmt.Errorf("either instance_type or "+
"spot_instance_types must be specified, not both"))
}
if c.BlockDurationMinutes%60 != 0 {
errs = append(errs, fmt.Errorf(
"block_duration_minutes must be multiple of 60"))
}
if c.SpotTags != nil {
if c.SpotPrice == "" || c.SpotPrice == "0" {
errs = append(errs, fmt.Errorf(
"spot_tags should not be set when not requesting a spot instance"))
}
}
if c.UserData != "" && c.UserDataFile != "" {
errs = append(errs, fmt.Errorf("Only one of user_data or user_data_file can be specified."))
} else if c.UserDataFile != "" {
if _, err := os.Stat(c.UserDataFile); err != nil {
errs = append(errs, fmt.Errorf("user_data_file not found: %s", c.UserDataFile))
}
}
if c.SecurityGroupId != "" {
if len(c.SecurityGroupIds) > 0 {
errs = append(errs, fmt.Errorf("Only one of security_group_id or security_group_ids can be specified."))
} else {
c.SecurityGroupIds = []string{c.SecurityGroupId}
c.SecurityGroupId = ""
}
}
if len(c.TemporarySGSourceCidrs) == 0 {
c.TemporarySGSourceCidrs = []string{"0.0.0.0/0"}
} else {
for _, cidr := range c.TemporarySGSourceCidrs {
if _, _, err := net.ParseCIDR(cidr); err != nil {
errs = append(errs, fmt.Errorf("Error parsing CIDR in temporary_security_group_source_cidrs: %s", err.Error()))
}
}
}
if c.InstanceInitiatedShutdownBehavior == "" {
c.InstanceInitiatedShutdownBehavior = "stop"
} else if !reShutdownBehavior.MatchString(c.InstanceInitiatedShutdownBehavior) {
errs = append(errs, fmt.Errorf("shutdown_behavior only accepts 'stop' or 'terminate' values."))
}
if c.EnableT2Unlimited {
if c.SpotPrice != "" {
errs = append(errs, fmt.Errorf("Error: T2 Unlimited cannot be used in conjuction with Spot Instances"))
}
firstDotIndex := strings.Index(c.InstanceType, ".")
if firstDotIndex == -1 {
errs = append(errs, fmt.Errorf("Error determining main Instance Type from: %s", c.InstanceType))
} else if c.InstanceType[0:firstDotIndex] != "t2" {
errs = append(errs, fmt.Errorf("Error: T2 Unlimited enabled with a non-T2 Instance Type: %s", c.InstanceType))
}
}
return errs
}
func (c *RunConfig) IsSpotInstance() bool {
return c.SpotPrice != "" && c.SpotPrice != "0"
}