70 lines
1.8 KiB
Go
70 lines
1.8 KiB
Go
package openstack
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import (
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"code.google.com/p/go.crypto/ssh"
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"errors"
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"fmt"
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"github.com/mitchellh/multistep"
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"time"
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"github.com/mitchellh/gophercloud-fork-40444fb"
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)
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// SSHAddress returns a function that can be given to the SSH communicator
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// for determining the SSH address based on the server AccessIPv4 setting..
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func SSHAddress(csp gophercloud.CloudServersProvider, port int) func(multistep.StateBag) (string, error) {
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return func(state multistep.StateBag) (string, error) {
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s := state.Get("server").(*gophercloud.Server)
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if ip := state.Get("access_ip").(gophercloud.FloatingIp); ip.Ip != "" {
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return fmt.Sprintf("%s:%d", ip.Ip, port), nil
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}
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ip_pools, err := s.AllAddressPools()
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if err != nil {
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return "", errors.New("Error parsing SSH addresses")
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}
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for pool, addresses := range ip_pools {
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if pool != "" {
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for _, address := range addresses {
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if address.Addr != "" && address.Version == 4 {
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return fmt.Sprintf("%s:%d", address.Addr, port), nil
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}
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}
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}
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}
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serverState, err := csp.ServerById(s.Id)
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if err != nil {
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return "", err
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}
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state.Put("server", serverState)
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time.Sleep(1 * time.Second)
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return "", errors.New("couldn't determine IP address for server")
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}
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}
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// SSHConfig returns a function that can be used for the SSH communicator
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// config for connecting to the instance created over SSH using the generated
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// private key.
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func SSHConfig(username string) func(multistep.StateBag) (*ssh.ClientConfig, error) {
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return func(state multistep.StateBag) (*ssh.ClientConfig, error) {
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privateKey := state.Get("privateKey").(string)
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signer, err := ssh.ParsePrivateKey([]byte(privateKey))
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if err != nil {
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return nil, fmt.Errorf("Error setting up SSH config: %s", err)
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}
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return &ssh.ClientConfig{
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User: username,
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Auth: []ssh.AuthMethod{
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ssh.PublicKeys(signer),
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},
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}, nil
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}
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}
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