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

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package classic
import (
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"context"
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"fmt"
"strings"
"github.com/hashicorp/go-oracle-terraform/compute"
"github.com/hashicorp/packer/common/uuid"
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"github.com/hashicorp/packer/helper/multistep"
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"github.com/hashicorp/packer/packer"
)
type stepSecurity struct{}
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func (s *stepSecurity) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
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ui := state.Get("ui").(packer.Ui)
config := state.Get("config").(*Config)
commType := ""
if config.Comm.Type == "ssh" {
commType = "SSH"
} else if config.Comm.Type == "winrm" {
commType = "WINRM"
}
ui.Say(fmt.Sprintf("Configuring security lists and rules to enable %s access...", commType))
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client := state.Get("client").(*compute.ComputeClient)
runUUID := uuid.TimeOrderedUUID()
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namePrefix := fmt.Sprintf("/Compute-%s/%s/", config.IdentityDomain, config.Username)
secListName := fmt.Sprintf("Packer_%s_Allow_%s_%s", commType, config.ImageName, runUUID)
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secListClient := client.SecurityLists()
secListInput := compute.CreateSecurityListInput{
Description: fmt.Sprintf("Packer-generated security list to give packer %s access", commType),
Name: namePrefix + secListName,
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}
_, 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)
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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", runUUID)
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)
}
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secRulesClient := client.SecRules()
secRuleName := fmt.Sprintf("Packer-allow-%s-Rule_%s_%s", commType,
config.ImageName, runUUID)
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secRulesInput := compute.CreateSecRuleInput{
Action: "PERMIT",
Application: application,
Description: "Packer-generated security rule to allow ssh/winrm",
DestinationList: "seclist:" + namePrefix + secListName,
Name: namePrefix + secRuleName,
SourceList: config.SSHSourceList,
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}
_, 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
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}
state.Put("security_rule_name", secRuleName)
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state.Put("security_list", secListName)
return multistep.ActionContinue
}
func (s *stepSecurity) Cleanup(state multistep.StateBag) {
secRuleName, ok := state.GetOk("security_rule_name")
if !ok {
return
}
secListName, ok := state.GetOk("security_list")
if !ok {
return
}
client := state.Get("client").(*compute.ComputeClient)
ui := state.Get("ui").(packer.Ui)
config := state.Get("config").(*Config)
ui.Say("Deleting temporary rules and lists...")
namePrefix := fmt.Sprintf("/Compute-%s/%s/", config.IdentityDomain, config.Username)
// delete security rules that Packer generated
secRulesClient := client.SecRules()
ruleInput := compute.DeleteSecRuleInput{Name: namePrefix + secRuleName.(string)}
err := secRulesClient.DeleteSecRule(&ruleInput)
if err != nil {
ui.Say(fmt.Sprintf("Error deleting the packer-generated security rule %s; "+
"please delete manually. (error: %s)", secRuleName.(string), err.Error()))
}
// delete security list that Packer generated
secListClient := client.SecurityLists()
input := compute.DeleteSecurityListInput{Name: namePrefix + secListName.(string)}
err = secListClient.DeleteSecurityList(&input)
if err != nil {
ui.Say(fmt.Sprintf("Error deleting the packer-generated security list %s; "+
"please delete manually. (error : %s)", secListName.(string), err.Error()))
}
// Some extra cleanup if we used the winRM communicator
if config.Comm.Type == "winrm" {
// Delete the packer-generated application
application, ok := state.GetOk("winrm_application")
if !ok {
return
}
applicationClient := client.SecurityApplications()
deleteApplicationInput := compute.DeleteSecurityApplicationInput{
Name: namePrefix + 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()))
}
}
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}