93 lines
2.4 KiB
Go
93 lines
2.4 KiB
Go
package common
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import (
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"cgl.tideland.biz/identifier"
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"encoding/hex"
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"fmt"
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"github.com/mitchellh/goamz/ec2"
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"github.com/mitchellh/multistep"
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"github.com/mitchellh/packer/packer"
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"log"
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)
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type StepSecurityGroup struct {
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SecurityGroupId string
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SSHPort int
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VpcId string
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createdGroupId string
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}
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func (s *StepSecurityGroup) Run(state map[string]interface{}) multistep.StepAction {
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ec2conn := state["ec2"].(*ec2.EC2)
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ui := state["ui"].(packer.Ui)
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if s.SecurityGroupId != "" {
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log.Printf("Using specified security group: %s", s.SecurityGroupId)
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state["securityGroupId"] = s.SecurityGroupId
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return multistep.ActionContinue
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}
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if s.SSHPort == 0 {
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panic("SSHPort must be set to a non-zero value.")
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}
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// Create the group
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ui.Say("Creating temporary security group for this instance...")
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groupName := fmt.Sprintf("packer %s", hex.EncodeToString(identifier.NewUUID().Raw()))
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log.Printf("Temporary group name: %s", groupName)
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group := ec2.SecurityGroup{
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Name: groupName,
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Description: "Temporary group for Packer",
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VpcId: s.VpcId,
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}
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groupResp, err := ec2conn.CreateSecurityGroup(group)
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if err != nil {
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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 group ID so we can delete it later
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s.createdGroupId = groupResp.Id
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// Authorize the SSH access
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perms := []ec2.IPPerm{
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ec2.IPPerm{
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Protocol: "tcp",
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FromPort: s.SSHPort,
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ToPort: s.SSHPort,
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SourceIPs: []string{"0.0.0.0/0"},
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},
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}
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ui.Say("Authorizing SSH access on the temporary security group...")
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if _, err := ec2conn.AuthorizeSecurityGroup(groupResp.SecurityGroup, perms); err != nil {
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err := fmt.Errorf("Error creating temporary security group: %s", err)
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state["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 some state data for use in future steps
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state["securityGroupId"] = s.createdGroupId
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return multistep.ActionContinue
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}
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func (s *StepSecurityGroup) Cleanup(state map[string]interface{}) {
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if s.createdGroupId == "" {
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return
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}
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ec2conn := state["ec2"].(*ec2.EC2)
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ui := state["ui"].(packer.Ui)
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ui.Say("Deleting temporary security group...")
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_, err := ec2conn.DeleteSecurityGroup(ec2.SecurityGroup{Id: s.createdGroupId})
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if err != nil {
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log.Printf("Error deleting security group: %s", err)
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ui.Error(fmt.Sprintf(
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"Error cleaning up security group. Please delete the group manually: %s", s.createdGroupId))
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}
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}
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