terraform/communicator/winrm/provisioner.go

124 lines
3.2 KiB
Go
Raw Normal View History

2015-04-10 20:34:46 +02:00
package winrm
import (
"fmt"
"log"
"path/filepath"
2015-04-10 20:34:46 +02:00
"strings"
"time"
"github.com/hashicorp/terraform/communicator/shared"
2015-04-10 20:34:46 +02:00
"github.com/hashicorp/terraform/terraform"
"github.com/mitchellh/mapstructure"
)
const (
// DefaultUser is used if there is no user given
DefaultUser = "Administrator"
// DefaultPort is used if there is no port given
DefaultPort = 5985
// DefaultScriptPath is used as the path to copy the file to
// for remote execution if not provided otherwise.
DefaultScriptPath = "C:/Temp/terraform_%RAND%.cmd"
2015-04-10 20:34:46 +02:00
// DefaultTimeout is used if there is no timeout given
DefaultTimeout = 5 * time.Minute
)
// connectionInfo is decoded from the ConnInfo of the resource. These are the
// only keys we look at. If a KeyFile is given, that is used instead
// of a password.
type connectionInfo struct {
User string
Password string
Host string
Port int
HTTPS bool
Insecure bool
CACert string `mapstructure:"cacert"`
2015-04-10 20:34:46 +02:00
Timeout string
ScriptPath string `mapstructure:"script_path"`
TimeoutVal time.Duration `mapstructure:"-"`
}
// parseConnectionInfo is used to convert the ConnInfo of the InstanceState into
// a ConnectionInfo struct
func parseConnectionInfo(s *terraform.InstanceState) (*connectionInfo, error) {
connInfo := &connectionInfo{}
decConf := &mapstructure.DecoderConfig{
WeaklyTypedInput: true,
Result: connInfo,
}
dec, err := mapstructure.NewDecoder(decConf)
if err != nil {
return nil, err
}
if err := dec.Decode(s.Ephemeral.ConnInfo); err != nil {
return nil, err
}
// Check on script paths which point to the default Windows TEMP folder because files
// which are put in there very early in the boot process could get cleaned/deleted
// before you had the change to execute them.
//
// TODO (SvH) Needs some more debugging to fully understand the exact sequence of events
// causing this...
if strings.HasPrefix(filepath.ToSlash(connInfo.ScriptPath), "C:/Windows/Temp") {
return nil, fmt.Errorf(
`Using the C:\Windows\Temp folder is not supported. Please use a different 'script_path'.`)
}
2015-04-10 20:34:46 +02:00
if connInfo.User == "" {
connInfo.User = DefaultUser
}
// Format the host if needed.
// Needed for IPv6 support.
connInfo.Host = shared.IpFormat(connInfo.Host)
2015-04-10 20:34:46 +02:00
if connInfo.Port == 0 {
connInfo.Port = DefaultPort
}
if connInfo.ScriptPath == "" {
2015-04-10 20:34:46 +02:00
connInfo.ScriptPath = DefaultScriptPath
}
if connInfo.Timeout != "" {
connInfo.TimeoutVal = safeDuration(connInfo.Timeout, DefaultTimeout)
} else {
connInfo.TimeoutVal = DefaultTimeout
}
2015-04-10 20:34:46 +02:00
return connInfo, nil
}
// safeDuration returns either the parsed duration or a default value
func safeDuration(dur string, defaultDur time.Duration) time.Duration {
d, err := time.ParseDuration(dur)
if err != nil {
log.Printf("Invalid duration '%s', using default of %s", dur, defaultDur)
return defaultDur
}
return d
}
func formatDuration(duration time.Duration) string {
h := int(duration.Hours())
2015-10-08 14:48:04 +02:00
m := int(duration.Minutes()) - h*60
2015-04-10 20:34:46 +02:00
s := int(duration.Seconds()) - (h*3600 + m*60)
res := "PT"
if h > 0 {
res = fmt.Sprintf("%s%dH", res, h)
}
if m > 0 {
res = fmt.Sprintf("%s%dM", res, m)
}
if s > 0 {
res = fmt.Sprintf("%s%dS", res, s)
}
return res
}