126 lines
5.0 KiB
Go
126 lines
5.0 KiB
Go
package common
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import (
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"errors"
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"fmt"
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"os"
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"regexp"
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"time"
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"github.com/mitchellh/packer/common/uuid"
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"github.com/mitchellh/packer/helper/communicator"
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"github.com/mitchellh/packer/template/interpolate"
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)
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var reShutdownBehavior = regexp.MustCompile("^(stop|terminate)$")
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type AmiFilterOptions struct {
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Filters map[*string]*string
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Owners []*string
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MostRecent bool `mapstructure:"most_recent"`
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}
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func (d *AmiFilterOptions) Empty() bool {
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return len(d.Owners) == 0 && len(d.Filters) == 0
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}
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// RunConfig contains configuration for running an instance from a source
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// AMI and details on how to access that launched image.
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type RunConfig struct {
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AssociatePublicIpAddress bool `mapstructure:"associate_public_ip_address"`
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AvailabilityZone string `mapstructure:"availability_zone"`
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EbsOptimized bool `mapstructure:"ebs_optimized"`
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IamInstanceProfile string `mapstructure:"iam_instance_profile"`
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InstanceType string `mapstructure:"instance_type"`
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RunTags map[string]string `mapstructure:"run_tags"`
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SourceAmi string `mapstructure:"source_ami"`
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SourceAmiFilter AmiFilterOptions `mapstructure:"source_ami_filter"`
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SpotPrice string `mapstructure:"spot_price"`
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SpotPriceAutoProduct string `mapstructure:"spot_price_auto_product"`
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DisableStopInstance bool `mapstructure:"disable_stop_instance"`
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SecurityGroupId string `mapstructure:"security_group_id"`
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SecurityGroupIds []string `mapstructure:"security_group_ids"`
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SubnetId string `mapstructure:"subnet_id"`
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TemporaryKeyPairName string `mapstructure:"temporary_key_pair_name"`
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UserData string `mapstructure:"user_data"`
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UserDataFile string `mapstructure:"user_data_file"`
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WindowsPasswordTimeout time.Duration `mapstructure:"windows_password_timeout"`
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VpcId string `mapstructure:"vpc_id"`
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InstanceInitiatedShutdownBehavior string `mapstructure:"shutdown_behavior"`
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// Communicator settings
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Comm communicator.Config `mapstructure:",squash"`
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SSHKeyPairName string `mapstructure:"ssh_keypair_name"`
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SSHPrivateIp bool `mapstructure:"ssh_private_ip"`
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}
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func (c *RunConfig) Prepare(ctx *interpolate.Context) []error {
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// If we are not given an explicit ssh_keypair_name or
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// ssh_private_key_file, then create a temporary one, but only if the
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// temporary_key_pair_name has not been provided and we are not using
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// ssh_password.
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if c.SSHKeyPairName == "" && c.TemporaryKeyPairName == "" &&
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c.Comm.SSHPrivateKey == "" && c.Comm.SSHPassword == "" {
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c.TemporaryKeyPairName = fmt.Sprintf("packer_%s", uuid.TimeOrderedUUID())
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}
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if c.WindowsPasswordTimeout == 0 {
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c.WindowsPasswordTimeout = 20 * time.Minute
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}
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if c.RunTags == nil {
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c.RunTags = make(map[string]string)
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}
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// Validation
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errs := c.Comm.Prepare(ctx)
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if c.SSHKeyPairName != "" {
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if c.Comm.Type == "winrm" && c.Comm.WinRMPassword == "" && c.Comm.SSHPrivateKey == "" {
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errs = append(errs, errors.New("A private_key_file must be provided to retrieve the winrm password when using ssh_keypair_name."))
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} else if c.Comm.SSHPrivateKey == "" && !c.Comm.SSHAgentAuth {
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errs = append(errs, errors.New("A private_key_file must be provided or ssh_agent_auth enabled when ssh_keypair_name is specified."))
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}
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}
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if c.SourceAmi == "" && c.SourceAmiFilter.Empty() {
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errs = append(errs, errors.New("A source_ami or source_ami_filter must be specified"))
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}
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if c.InstanceType == "" {
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errs = append(errs, errors.New("An instance_type must be specified"))
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}
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if c.SpotPrice == "auto" {
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if c.SpotPriceAutoProduct == "" {
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errs = append(errs, errors.New(
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"spot_price_auto_product must be specified when spot_price is auto"))
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}
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}
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if c.UserData != "" && c.UserDataFile != "" {
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errs = append(errs, fmt.Errorf("Only one of user_data or user_data_file can be specified."))
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} else if c.UserDataFile != "" {
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if _, err := os.Stat(c.UserDataFile); err != nil {
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errs = append(errs, fmt.Errorf("user_data_file not found: %s", c.UserDataFile))
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}
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}
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if c.SecurityGroupId != "" {
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if len(c.SecurityGroupIds) > 0 {
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errs = append(errs, fmt.Errorf("Only one of security_group_id or security_group_ids can be specified."))
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} else {
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c.SecurityGroupIds = []string{c.SecurityGroupId}
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c.SecurityGroupId = ""
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}
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}
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if c.InstanceInitiatedShutdownBehavior == "" {
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c.InstanceInitiatedShutdownBehavior = "stop"
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} else if !reShutdownBehavior.MatchString(c.InstanceInitiatedShutdownBehavior) {
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errs = append(errs, fmt.Errorf("shutdown_behavior only accepts 'stop' or 'terminate' values."))
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}
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return errs
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}
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