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Make HIMN IP finding and ping interruptible

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This commit is contained in:
Cheng Sun 2014-12-09 14:56:42 +00:00
parent c75b4555cc
commit acd16bb984
1 changed files with 45 additions and 28 deletions
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73
builder/xenserver/step_start_on_himn.go
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@ -1,6 +1,7 @@
package xenserver
import (
gossh "code.google.com/p/go.crypto/ssh"
"fmt"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
@ -52,54 +53,70 @@ func (self *stepStartOnHIMN) Run(state multistep.StateBag) multistep.StepAction
var himn_iface_ip string = ""
// Obtain the allocated IP
for i := 0; i < 10; i++ {
ips, _ := himn.GetAssignedIPs()
log.Printf("IPs: %s", ips)
log.Printf("Ref: %s", instance.Ref)
err = InterruptibleWait{
Predicate: func() (found bool, err error) {
ips, err := himn.GetAssignedIPs()
if err != nil {
return false, fmt.Errorf("Can't get assigned IPs: %s", err.Error())
}
log.Printf("IPs: %s", ips)
log.Printf("Ref: %s", instance.Ref)
//Check for instance.Ref in map
if vm_ip, ok := ips[himn_vif.Ref]; ok {
ui.Say("Found the VM's IP " + vm_ip)
himn_iface_ip = vm_ip
break
}
//Check for instance.Ref in map
if vm_ip, ok := ips[himn_vif.Ref]; ok {
ui.Say("Found the VM's IP: " + vm_ip)
himn_iface_ip = vm_ip
return true, nil
}
ui.Say("Wait for IP address...")
time.Sleep(10 * time.Second)
ui.Say("Wait for IP address...")
return false, nil
},
PredicateInterval: 10 * time.Second,
Timeout: 100 * time.Second,
}.Wait(state)
if err != nil || himn_iface_ip == "" {
ui.Error(fmt.Sprintf("Unable to find an IP on the Host-internal management interface: %s", err.Error()))
return multistep.ActionHalt
}
if himn_iface_ip != "" {
state.Put("himn_ssh_address", himn_iface_ip)
ui.Say("Stored VM's IP " + himn_iface_ip)
} else {
ui.Error("Unable to find an IP on the Host-internal management interface")
return multistep.ActionHalt
}
// Wait for the VM to boot, and check we can ping this interface
ping_cmd := fmt.Sprintf("ping -c 1 %s", himn_iface_ip)
err = nil
for i := 0; i < 30; i++ {
ui.Message(fmt.Sprintf("Attempting to ping interface: %s", ping_cmd))
_, err := execute_ssh_cmd(ping_cmd, config.HostIp, "22", config.Username, config.Password)
err = InterruptibleWait{
Predicate: func() (success bool, err error) {
ui.Message(fmt.Sprintf("Attempting to ping interface: %s", ping_cmd))
_, err = execute_ssh_cmd(ping_cmd, config.HostIp, "22", config.Username, config.Password)
if err == nil {
ui.Message("Ping success! Continuing...")
break
}
time.Sleep(10 * time.Second)
}
switch err.(type) {
case nil:
// ping succeeded
return true, nil
case *gossh.ExitError:
// ping failed, try again
return false, nil
default:
// unknown error
return false, err
}
},
PredicateInterval: 10 * time.Second,
Timeout: 300 * time.Second,
}.Wait(state)
if err != nil {
ui.Error("Unable to ping interface. Something is wrong. Has the VM not booted?")
ui.Error(err.Error())
ui.Error(fmt.Sprintf("Unable to ping interface. (Has the VM not booted?): %s", err.Error()))
return multistep.ActionHalt
}
ui.Message("Ping success! Continuing...")
return multistep.ActionContinue
}