258 lines
7.5 KiB
Go
258 lines
7.5 KiB
Go
package cloudstack
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import (
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"context"
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"fmt"
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"math/rand"
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"strings"
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"time"
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"github.com/hashicorp/packer/helper/multistep"
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"github.com/hashicorp/packer/packer"
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"github.com/xanzy/go-cloudstack/cloudstack"
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)
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type stepSetupNetworking struct {
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privatePort int
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publicPort int
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}
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func (s *stepSetupNetworking) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
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client := state.Get("client").(*cloudstack.CloudStackClient)
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config := state.Get("config").(*Config)
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ui := state.Get("ui").(packer.Ui)
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ui.Say("Setup networking...")
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if config.UseLocalIPAddress {
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ui.Message("Using the local IP address...")
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state.Put("commPort", config.Comm.Port())
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ui.Message("Networking has been setup!")
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return multistep.ActionContinue
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}
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if config.PublicPort != 0 {
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s.publicPort = config.PublicPort
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} else {
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// Generate a random public port used to configure our port forward.
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rand.Seed(time.Now().UnixNano())
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s.publicPort = 50000 + rand.Intn(10000)
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}
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state.Put("commPort", s.publicPort)
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// Set the currently configured port to be the private port.
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s.privatePort = config.Comm.Port()
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// Retrieve the instance ID from the previously saved state.
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instanceID, ok := state.Get("instance_id").(string)
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if !ok || instanceID == "" {
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err := fmt.Errorf("Could not retrieve instance_id from state!")
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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network, _, err := client.Network.GetNetworkByID(
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config.Network,
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cloudstack.WithProject(config.Project),
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)
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if err != nil {
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err := fmt.Errorf("Failed to retrieve the network object: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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if config.PublicIPAddress == "" {
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ui.Message("Associating public IP address...")
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p := client.Address.NewAssociateIpAddressParams()
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if config.Project != "" {
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p.SetProjectid(config.Project)
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}
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if network.Vpcid != "" {
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p.SetVpcid(network.Vpcid)
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} else {
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p.SetNetworkid(network.Id)
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}
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p.SetZoneid(config.Zone)
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// Associate a new public IP address.
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ipAddr, err := client.Address.AssociateIpAddress(p)
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if err != nil {
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err := fmt.Errorf("Failed to associate public IP address: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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// Set the IP address and it's ID.
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config.PublicIPAddress = ipAddr.Id
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state.Put("ipaddress", ipAddr.Ipaddress)
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// Store the IP address ID.
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state.Put("ip_address_id", ipAddr.Id)
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}
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ui.Message("Creating port forward...")
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p := client.Firewall.NewCreatePortForwardingRuleParams(
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config.PublicIPAddress,
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s.privatePort,
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"TCP",
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s.publicPort,
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instanceID,
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)
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// Configure the port forward.
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p.SetNetworkid(network.Id)
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p.SetOpenfirewall(false)
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// Create the port forward.
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forward, err := client.Firewall.CreatePortForwardingRule(p)
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if err != nil {
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err := fmt.Errorf("Failed to create port forward: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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// Store the port forward ID.
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state.Put("port_forward_id", forward.Id)
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if config.PreventFirewallChanges {
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ui.Message("Networking has been setup (without firewall changes)!")
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return multistep.ActionContinue
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}
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if network.Vpcid != "" {
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ui.Message("Creating network ACL rule...")
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if network.Aclid == "" {
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err := fmt.Errorf("Failed to configure the firewall: no ACL connected to the VPC network")
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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// Create a new parameter struct.
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p := client.NetworkACL.NewCreateNetworkACLParams("TCP")
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// Configure the network ACL rule.
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p.SetAclid(network.Aclid)
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p.SetAction("allow")
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p.SetCidrlist(config.CIDRList)
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p.SetStartport(s.privatePort)
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p.SetEndport(s.privatePort)
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p.SetTraffictype("ingress")
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// Create the network ACL rule.
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aclRule, err := client.NetworkACL.CreateNetworkACL(p)
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if err != nil {
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err := fmt.Errorf("Failed to create network ACL rule: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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// Store the network ACL rule ID.
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state.Put("network_acl_rule_id", aclRule.Id)
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} else {
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ui.Message("Creating firewall rule...")
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// Create a new parameter struct.
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p := client.Firewall.NewCreateFirewallRuleParams(config.PublicIPAddress, "TCP")
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// Configure the firewall rule.
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p.SetCidrlist(config.CIDRList)
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p.SetStartport(s.publicPort)
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p.SetEndport(s.publicPort)
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fwRule, err := client.Firewall.CreateFirewallRule(p)
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if err != nil {
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err := fmt.Errorf("Failed to create firewall rule: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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// Store the firewall rule ID.
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state.Put("firewall_rule_id", fwRule.Id)
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}
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ui.Message("Networking has been setup!")
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return multistep.ActionContinue
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}
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// Cleanup any resources that may have been created during the Run phase.
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func (s *stepSetupNetworking) Cleanup(state multistep.StateBag) {
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client := state.Get("client").(*cloudstack.CloudStackClient)
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ui := state.Get("ui").(packer.Ui)
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ui.Say("Cleanup networking...")
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if fwRuleID, ok := state.Get("firewall_rule_id").(string); ok && fwRuleID != "" {
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// Create a new parameter struct.
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p := client.Firewall.NewDeleteFirewallRuleParams(fwRuleID)
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ui.Message("Deleting firewall rule...")
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if _, err := client.Firewall.DeleteFirewallRule(p); err != nil {
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// This is a very poor way to be told the ID does no longer exist :(
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if !strings.Contains(err.Error(), fmt.Sprintf(
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"Invalid parameter id value=%s due to incorrect long value format, "+
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"or entity does not exist", fwRuleID)) {
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ui.Error(fmt.Sprintf("Error deleting firewall rule: %s", err))
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}
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}
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}
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if aclRuleID, ok := state.Get("network_acl_rule_id").(string); ok && aclRuleID != "" {
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// Create a new parameter struct.
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p := client.NetworkACL.NewDeleteNetworkACLParams(aclRuleID)
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ui.Message("Deleting network ACL rule...")
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if _, err := client.NetworkACL.DeleteNetworkACL(p); err != nil {
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// This is a very poor way to be told the ID does no longer exist :(
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if !strings.Contains(err.Error(), fmt.Sprintf(
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"Invalid parameter id value=%s due to incorrect long value format, "+
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"or entity does not exist", aclRuleID)) {
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ui.Error(fmt.Sprintf("Error deleting network ACL rule: %s", err))
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}
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}
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}
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if forwardID, ok := state.Get("port_forward_id").(string); ok && forwardID != "" {
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// Create a new parameter struct.
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p := client.Firewall.NewDeletePortForwardingRuleParams(forwardID)
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ui.Message("Deleting port forward...")
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if _, err := client.Firewall.DeletePortForwardingRule(p); err != nil {
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// This is a very poor way to be told the ID does no longer exist :(
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if !strings.Contains(err.Error(), fmt.Sprintf(
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"Invalid parameter id value=%s due to incorrect long value format, "+
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"or entity does not exist", forwardID)) {
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ui.Error(fmt.Sprintf("Error deleting port forward: %s", err))
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}
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}
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}
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if ipAddrID, ok := state.Get("ip_address_id").(string); ok && ipAddrID != "" {
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// Create a new parameter struct.
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p := client.Address.NewDisassociateIpAddressParams(ipAddrID)
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ui.Message("Releasing public IP address...")
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if _, err := client.Address.DisassociateIpAddress(p); err != nil {
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// This is a very poor way to be told the ID does no longer exist :(
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if !strings.Contains(err.Error(), fmt.Sprintf(
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"Invalid parameter id value=%s due to incorrect long value format, "+
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"or entity does not exist", ipAddrID)) {
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ui.Error(fmt.Sprintf("Error releasing public IP address: %s", err))
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}
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}
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}
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ui.Message("Networking has been cleaned!")
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return
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}
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