packer-cn/fix/fixer_sshkeypath.go

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package fix
import (
"github.com/mitchellh/mapstructure"
)
// FixerSSHKeyPath changes the "ssh_key_path" of a template
// to "ssh_private_key_file".
type FixerSSHKeyPath struct{}
func (FixerSSHKeyPath) DeprecatedOptions() map[string][]string {
return map[string][]string{
"*": []string{"ssh_key_path"},
}
}
func (FixerSSHKeyPath) 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 {
sshKeyPathRaw, ok := builder["ssh_key_path"]
if !ok {
continue
}
sshKeyPath, ok := sshKeyPathRaw.(string)
if !ok {
continue
}
// only assign to ssh_private_key_file if it doesn't
// already exist; otherwise we'll just ignore ssh_key_path
_, sshPrivateIncluded := builder["ssh_private_key_file"]
if !sshPrivateIncluded {
builder["ssh_private_key_file"] = sshKeyPath
}
delete(builder, "ssh_key_path")
}
input["builders"] = tpl.Builders
return input, nil
}
func (FixerSSHKeyPath) Synopsis() string {
return `Updates builders using "ssh_key_path" to use "ssh_private_key_file"`
}