packer-cn/fix/fixer_sshdisableagent.go

57 lines
1.4 KiB
Go

package fix
import (
"github.com/mitchellh/mapstructure"
)
// FixerSSHDisableAgent changes the "ssh_disable_agent" of a template
// to "ssh_disable_agent_forwarding".
type FixerSSHDisableAgent struct{}
func (FixerSSHDisableAgent) DeprecatedOptions() map[string][]string {
return map[string][]string{
"*": []string{"ssh_disable_agent"},
}
}
func (FixerSSHDisableAgent) Fix(input map[string]interface{}) (map[string]interface{}, error) {
// The type we'll decode into; we only care about builders
type template struct {
Builders []map[string]interface{}
}
// Decode the input into our structure, if we can
var tpl template
if err := mapstructure.Decode(input, &tpl); err != nil {
return nil, err
}
for _, builder := range tpl.Builders {
sshDisableAgentRaw, ok := builder["ssh_disable_agent"]
if !ok {
continue
}
sshDisableAgent, ok := sshDisableAgentRaw.(bool)
if !ok {
continue
}
// only assign to ssh_disable_agent_forwarding if it doesn't
// already exist; otherwise we'll just ignore ssh_disable_agent
_, sshDisableAgentIncluded := builder["ssh_disable_agent_forwarding"]
if !sshDisableAgentIncluded {
builder["ssh_disable_agent_forwarding"] = sshDisableAgent
}
delete(builder, "ssh_disable_agent")
}
input["builders"] = tpl.Builders
return input, nil
}
func (FixerSSHDisableAgent) Synopsis() string {
return `Updates builders using "ssh_disable_agent" to use "ssh_disable_agent_forwarding"`
}