packer-cn/builder/oracle/classic/step_security.go

162 lines
5.2 KiB
Go

package classic
import (
"context"
"fmt"
"log"
"strings"
"github.com/hashicorp/go-oracle-terraform/compute"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
)
type stepSecurity struct {
CommType string
SecurityListKey string
secListName string
secRuleName string
}
func (s *stepSecurity) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
ui := state.Get("ui").(packer.Ui)
config := state.Get("config").(*Config)
runID := state.Get("run_id").(string)
client := state.Get("client").(*compute.Client)
commType := ""
if s.CommType == "ssh" {
commType = "SSH"
} else if s.CommType == "winrm" {
commType = "WINRM"
}
secListName := fmt.Sprintf("Packer_%s_Allow_%s", commType, runID)
if _, ok := state.GetOk(secListName); ok {
log.Println("SecList created in earlier step, continuing")
// copy sec list name to proper key
state.Put(s.SecurityListKey, secListName)
return multistep.ActionContinue
}
ui.Say(fmt.Sprintf("Configuring security lists and rules to enable %s access...", commType))
log.Println(secListName)
secListClient := client.SecurityLists()
secListInput := compute.CreateSecurityListInput{
Description: fmt.Sprintf("Packer-generated security list to give packer %s access", commType),
Name: config.Identifier(secListName),
}
_, err := secListClient.CreateSecurityList(&secListInput)
if err != nil {
if !strings.Contains(err.Error(), "already exists") {
err = fmt.Errorf("Error creating security List to"+
" allow Packer to connect to Oracle instance via %s: %s", commType, err)
ui.Error(err.Error())
state.Put("error", err)
return multistep.ActionHalt
}
}
// DOCS NOTE: user must have Compute_Operations role
// Create security rule that allows Packer to connect via SSH or winRM
var application string
if commType == "SSH" {
application = "/oracle/public/ssh"
} else if commType == "WINRM" {
// Check to see whether a winRM security application is already defined
applicationClient := client.SecurityApplications()
application = fmt.Sprintf("packer_winRM_%s", runID)
applicationInput := compute.CreateSecurityApplicationInput{
Description: "Allows Packer to connect to instance via winRM",
DPort: "5985-5986",
Name: application,
Protocol: "TCP",
}
_, err = applicationClient.CreateSecurityApplication(&applicationInput)
if err != nil {
err = fmt.Errorf("Error creating security application to"+
" allow Packer to connect to Oracle instance via %s: %s", commType, err)
ui.Error(err.Error())
state.Put("error", err)
return multistep.ActionHalt
}
state.Put("winrm_application", application)
}
secRulesClient := client.SecRules()
secRuleName := fmt.Sprintf("Packer-allow-%s-Rule_%s", commType, runID)
log.Println(secRuleName)
secRulesInput := compute.CreateSecRuleInput{
Action: "PERMIT",
Application: application,
Description: "Packer-generated security rule to allow ssh/winrm",
DestinationList: "seclist:" + config.Identifier(secListName),
Name: config.Identifier(secRuleName),
SourceList: config.SSHSourceList,
}
_, err = secRulesClient.CreateSecRule(&secRulesInput)
if err != nil {
err = fmt.Errorf("Error creating security rule to"+
" allow Packer to connect to Oracle instance: %s", err)
ui.Error(err.Error())
state.Put("error", err)
return multistep.ActionHalt
}
state.Put(s.SecurityListKey, secListName)
state.Put(secListName, true)
s.secListName = secListName
s.secRuleName = secRuleName
return multistep.ActionContinue
}
func (s *stepSecurity) Cleanup(state multistep.StateBag) {
if s.secListName == "" || s.secRuleName == "" {
return
}
client := state.Get("client").(*compute.Client)
ui := state.Get("ui").(packer.Ui)
config := state.Get("config").(*Config)
ui.Say("Deleting temporary rules and lists...")
// delete security rules that Packer generated
secRulesClient := client.SecRules()
ruleInput := compute.DeleteSecRuleInput{
Name: config.Identifier(s.secRuleName),
}
err := secRulesClient.DeleteSecRule(&ruleInput)
if err != nil {
ui.Say(fmt.Sprintf("Error deleting the packer-generated security rule %s; "+
"please delete manually. (error: %s)", s.secRuleName, err.Error()))
}
// delete security list that Packer generated
secListClient := client.SecurityLists()
input := compute.DeleteSecurityListInput{Name: config.Identifier(s.secListName)}
err = secListClient.DeleteSecurityList(&input)
if err != nil {
ui.Say(fmt.Sprintf("Error deleting the packer-generated security list %s; "+
"please delete manually. (error : %s)", s.secListName, err.Error()))
}
// Some extra cleanup if we used the winRM communicator
if s.CommType == "winrm" {
// Delete the packer-generated application
application, ok := state.GetOk("winrm_application")
if !ok {
return
}
applicationClient := client.SecurityApplications()
deleteApplicationInput := compute.DeleteSecurityApplicationInput{
Name: config.Identifier(application.(string)),
}
err = applicationClient.DeleteSecurityApplication(&deleteApplicationInput)
if err != nil {
ui.Say(fmt.Sprintf("Error deleting the packer-generated winrm security application %s; "+
"please delete manually. (error : %s)", application.(string), err.Error()))
}
}
}