290 lines
7.1 KiB
Go
290 lines
7.1 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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"time"
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"github.com/hashicorp/packer-plugin-sdk/common"
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"github.com/hashicorp/packer-plugin-sdk/multistep"
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"github.com/hashicorp/packer-plugin-sdk/template/interpolate"
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xenapi "github.com/terra-farm/go-xen-api-client"
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)
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type CommonConfig struct {
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Username string `mapstructure:"remote_username"`
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Password string `mapstructure:"remote_password"`
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HostIp string `mapstructure:"remote_host"`
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VMName string `mapstructure:"vm_name"`
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VMDescription string `mapstructure:"vm_description"`
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SrName string `mapstructure:"sr_name"`
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SrISOName string `mapstructure:"sr_iso_name"`
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FloppyFiles []string `mapstructure:"floppy_files"`
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NetworkNames []string `mapstructure:"network_names"`
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ExportNetworkNames []string `mapstructure:"export_network_names"`
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HostPortMin uint `mapstructure:"host_port_min"`
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HostPortMax uint `mapstructure:"host_port_max"`
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BootCommand []string `mapstructure:"boot_command"`
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ShutdownCommand string `mapstructure:"shutdown_command"`
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RawBootWait string `mapstructure:"boot_wait"`
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BootWait time.Duration
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ToolsIsoName string `mapstructure:"tools_iso_name"`
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HTTPDir string `mapstructure:"http_directory"`
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HTTPPortMin uint `mapstructure:"http_port_min"`
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HTTPPortMax uint `mapstructure:"http_port_max"`
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// SSHHostPortMin uint `mapstructure:"ssh_host_port_min"`
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// SSHHostPortMax uint `mapstructure:"ssh_host_port_max"`
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SSHKeyPath string `mapstructure:"ssh_key_path"`
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SSHPassword string `mapstructure:"ssh_password"`
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SSHPort uint `mapstructure:"ssh_port"`
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SSHUser string `mapstructure:"ssh_username"`
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SSHConfig `mapstructure:",squash"`
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RawSSHWaitTimeout string `mapstructure:"ssh_wait_timeout"`
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SSHWaitTimeout time.Duration
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OutputDir string `mapstructure:"output_directory"`
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Format string `mapstructure:"format"`
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KeepVM string `mapstructure:"keep_vm"`
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IPGetter string `mapstructure:"ip_getter"`
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}
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func (c *CommonConfig) Prepare(ctx *interpolate.Context, pc *common.PackerConfig) []error {
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var err error
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var errs []error
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// Set default values
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if c.HostPortMin == 0 {
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c.HostPortMin = 5900
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}
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if c.HostPortMax == 0 {
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c.HostPortMax = 6000
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}
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if c.RawBootWait == "" {
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c.RawBootWait = "5s"
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}
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if c.ToolsIsoName == "" {
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c.ToolsIsoName = "xs-tools.iso"
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}
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if c.HTTPPortMin == 0 {
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c.HTTPPortMin = 8000
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}
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if c.HTTPPortMax == 0 {
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c.HTTPPortMax = 9000
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}
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if c.RawSSHWaitTimeout == "" {
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c.RawSSHWaitTimeout = "200m"
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}
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if c.FloppyFiles == nil {
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c.FloppyFiles = make([]string, 0)
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}
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/*
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if c.SSHHostPortMin == 0 {
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c.SSHHostPortMin = 2222
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}
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if c.SSHHostPortMax == 0 {
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c.SSHHostPortMax = 4444
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}
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*/
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if c.SSHPort == 0 {
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c.SSHPort = 22
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}
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if c.RawSSHWaitTimeout == "" {
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c.RawSSHWaitTimeout = "20m"
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}
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if c.OutputDir == "" {
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c.OutputDir = fmt.Sprintf("output-%s", pc.PackerBuildName)
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}
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if c.VMName == "" {
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c.VMName = fmt.Sprintf("packer-%s-{{timestamp}}", pc.PackerBuildName)
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}
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if c.Format == "" {
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c.Format = "xva"
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}
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if c.KeepVM == "" {
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c.KeepVM = "never"
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}
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if c.IPGetter == "" {
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c.IPGetter = "auto"
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}
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// Validation
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if c.Username == "" {
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errs = append(errs, errors.New("remote_username must be specified."))
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}
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if c.Password == "" {
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errs = append(errs, errors.New("remote_password must be specified."))
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}
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if c.HostIp == "" {
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errs = append(errs, errors.New("remote_host must be specified."))
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}
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if c.HostPortMin > c.HostPortMax {
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errs = append(errs, errors.New("the host min port must be less than the max"))
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}
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if c.HTTPPortMin > c.HTTPPortMax {
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errs = append(errs, errors.New("the HTTP min port must be less than the max"))
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}
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c.BootWait, err = time.ParseDuration(c.RawBootWait)
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if err != nil {
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errs = append(errs, fmt.Errorf("Failed to parse boot_wait: %s", err))
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}
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if c.SSHKeyPath != "" {
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if _, err := os.Stat(c.SSHKeyPath); err != nil {
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errs = append(errs, fmt.Errorf("ssh_key_path is invalid: %s", err))
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} else if _, err := FileSigner(c.SSHKeyPath); err != nil {
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errs = append(errs, fmt.Errorf("ssh_key_path is invalid: %s", err))
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}
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}
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/*
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if c.SSHHostPortMin > c.SSHHostPortMax {
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errs = append(errs,
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errors.New("ssh_host_port_min must be less than ssh_host_port_max"))
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}
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*/
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if c.SSHUser == "" {
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errs = append(errs, errors.New("An ssh_username must be specified."))
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}
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c.SSHWaitTimeout, err = time.ParseDuration(c.RawSSHWaitTimeout)
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if err != nil {
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errs = append(errs, fmt.Errorf("Failed to parse ssh_wait_timeout: %s", err))
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}
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switch c.Format {
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case "xva", "xva_compressed", "vdi_raw", "vdi_vhd", "none":
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default:
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errs = append(errs, errors.New("format must be one of 'xva', 'vdi_raw', 'vdi_vhd', 'none'"))
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}
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switch c.KeepVM {
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case "always", "never", "on_success":
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default:
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errs = append(errs, errors.New("keep_vm must be one of 'always', 'never', 'on_success'"))
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}
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switch c.IPGetter {
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case "auto", "tools", "http":
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default:
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errs = append(errs, errors.New("ip_getter must be one of 'auto', 'tools', 'http'"))
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}
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return errs
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}
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// steps should check config.ShouldKeepVM first before cleaning up the VM
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func (c CommonConfig) ShouldKeepVM(state multistep.StateBag) bool {
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switch c.KeepVM {
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case "always":
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return true
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case "never":
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return false
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case "on_success":
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// only keep instance if build was successful
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_, cancelled := state.GetOk(multistep.StateCancelled)
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_, halted := state.GetOk(multistep.StateHalted)
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return !(cancelled || halted)
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default:
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panic(fmt.Sprintf("Unknown keep_vm value '%s'", c.KeepVM))
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}
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}
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func (config CommonConfig) GetSR(c *Connection) (xenapi.SRRef, error) {
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var srRef xenapi.SRRef
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if config.SrName == "" {
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hostRef, err := c.GetClient().Session.GetThisHost(c.session, c.session)
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if err != nil {
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return srRef, err
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}
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pools, err := c.GetClient().Pool.GetAllRecords(c.session)
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if err != nil {
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return srRef, err
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}
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for _, pool := range pools {
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if pool.Master == hostRef {
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return pool.DefaultSR, nil
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}
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}
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return srRef, errors.New(fmt.Sprintf("failed to find default SR on host '%s'", hostRef))
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} else {
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// Use the provided name label to find the SR to use
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srs, err := c.GetClient().SR.GetByNameLabel(c.session, config.SrName)
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if err != nil {
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return srRef, err
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}
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switch {
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case len(srs) == 0:
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return srRef, fmt.Errorf("Couldn't find a SR with the specified name-label '%s'", config.SrName)
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case len(srs) > 1:
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return srRef, fmt.Errorf("Found more than one SR with the name '%s'. The name must be unique", config.SrName)
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}
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return srs[0], nil
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}
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}
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func (config CommonConfig) GetISOSR(c *Connection) (xenapi.SRRef, error) {
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var srRef xenapi.SRRef
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if config.SrISOName == "" {
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return srRef, errors.New("sr_iso_name must be specified in the packer configuration")
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} else {
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// Use the provided name label to find the SR to use
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srs, err := c.GetClient().SR.GetByNameLabel(c.session, config.SrName)
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if err != nil {
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return srRef, err
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}
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switch {
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case len(srs) == 0:
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return srRef, fmt.Errorf("Couldn't find a SR with the specified name-label '%s'", config.SrName)
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case len(srs) > 1:
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return srRef, fmt.Errorf("Found more than one SR with the name '%s'. The name must be unique", config.SrName)
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}
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return srs[0], nil
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}
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}
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