138 lines
3.6 KiB
Go
138 lines
3.6 KiB
Go
package common
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import (
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"fmt"
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"log"
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"time"
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"github.com/hashicorp/packer-plugin-sdk/multistep"
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"github.com/hashicorp/packer-plugin-sdk/packer"
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gossh "golang.org/x/crypto/ssh"
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)
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type StepStartOnHIMN struct{}
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/*
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* This step starts the installed guest on the Host Internal Management Network
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* as there exists an API to obtain the IP allocated to the VM by XAPI.
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* This in turn will allow Packer to SSH into the VM, provided NATing has been
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* enabled on the host.
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*
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*/
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func (self *StepStartOnHIMN) Run(state multistep.StateBag) multistep.StepAction {
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ui := state.Get("ui").(packer.Ui)
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c := state.Get("client").(*Connection)
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ui.Say("Step: Start VM on the Host Internal Mangement Network")
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uuid := state.Get("instance_uuid").(string)
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instance, err := c.client.VM.GetByUUID(c.session, uuid)
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if err != nil {
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ui.Error(fmt.Sprintf("Unable to get VM from UUID '%s': %s", uuid, err.Error()))
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return multistep.ActionHalt
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}
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// Find the HIMN Ref
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networks, err := c.client.Network.GetByNameLabel(c.session, "Host internal management network")
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if err != nil || len(networks) == 0 {
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ui.Error("Unable to find a host internal management network")
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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himn := networks[0]
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// Create a VIF for the HIMN
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himn_vif, err := ConnectNetwork(c, himn, instance, "0")
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if err != nil {
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ui.Error("Error creating VIF")
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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// Start the VM
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c.client.VM.Start(c.session, instance, false, false)
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var himn_iface_ip string = ""
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// Obtain the allocated IP
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err = InterruptibleWait{
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Predicate: func() (found bool, err error) {
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ips, err := c.client.Network.GetAssignedIps(c.session, himn)
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if err != nil {
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return false, fmt.Errorf("Can't get assigned IPs: %s", err.Error())
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}
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log.Printf("IPs: %s", ips)
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log.Printf("Ref: %s", instance)
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//Check for instance.Ref in map
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if vm_ip, ok := ips[*himn_vif]; ok && vm_ip != "" {
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ui.Say("Found the VM's IP: " + vm_ip)
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himn_iface_ip = vm_ip
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return true, nil
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}
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ui.Say("Wait for IP address...")
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return false, nil
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},
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PredicateInterval: 10 * time.Second,
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Timeout: 100 * time.Second,
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}.Wait(state)
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if err != nil {
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ui.Error(fmt.Sprintf("Unable to find an IP on the Host-internal management interface: %s", err.Error()))
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return multistep.ActionHalt
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}
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state.Put("himn_ssh_address", himn_iface_ip)
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ui.Say("Stored VM's IP " + himn_iface_ip)
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// Wait for the VM to boot, and check we can ping this interface
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ping_cmd := fmt.Sprintf("ping -c 1 %s", himn_iface_ip)
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err = InterruptibleWait{
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Predicate: func() (success bool, err error) {
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ui.Message(fmt.Sprintf("Attempting to ping interface: %s", ping_cmd))
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_, err = ExecuteHostSSHCmd(state, ping_cmd)
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switch err.(type) {
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case nil:
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// ping succeeded
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return true, nil
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case *gossh.ExitError:
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// ping failed, try again
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return false, nil
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default:
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// unknown error
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return false, err
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}
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},
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PredicateInterval: 10 * time.Second,
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Timeout: 300 * time.Second,
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}.Wait(state)
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if err != nil {
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ui.Error(fmt.Sprintf("Unable to ping interface. (Has the VM not booted?): %s", err.Error()))
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return multistep.ActionHalt
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}
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ui.Message("Ping success! Continuing...")
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return multistep.ActionContinue
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}
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func (self *StepStartOnHIMN) Cleanup(state multistep.StateBag) {}
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func HimnSSHIP(state multistep.StateBag) (string, error) {
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ip := state.Get("himn_ssh_address").(string)
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return ip, nil
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}
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func HimnSSHPort(state multistep.StateBag) (uint, error) {
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config := state.Get("commonconfig").(CommonConfig)
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return config.SSHPort, nil
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}
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