/
ssh_key_deleter.go
68 lines (58 loc) · 1.4 KB
/
ssh_key_deleter.go
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package bosh
import (
"fmt"
"path/filepath"
"github.com/cloudfoundry/bosh-bootloader/fileio"
"github.com/cloudfoundry/bosh-bootloader/storage"
yaml "gopkg.in/yaml.v2"
)
type deleterFs interface {
fileio.FileReader
fileio.FileWriter
fileio.TempDirer
}
type SSHKeyDeleter struct {
stateStore stateStore
fs deleterFs
}
func NewSSHKeyDeleter(stateStore stateStore, fs deleterFs) SSHKeyDeleter {
return SSHKeyDeleter{
stateStore: stateStore,
fs: fs,
}
}
func (s SSHKeyDeleter) Delete() error {
varsDir, err := s.stateStore.GetVarsDir()
if err != nil {
return err
}
varsStore := filepath.Join(varsDir, "jumpbox-vars-store.yml")
variables, err := s.fs.ReadFile(varsStore)
if err == nil {
varString, err := deleteJumpboxSSHKey(string(variables))
if err != nil {
return fmt.Errorf("Jumpbox variables: %s", err)
}
if string(variables) == varString {
return nil
}
err = s.fs.WriteFile(varsStore, []byte(varString), storage.StateMode)
if err != nil {
return fmt.Errorf("Writing jumpbox vars store: %s", err) //not tested
}
}
return nil
}
func deleteJumpboxSSHKey(varsString string) (string, error) {
vars := make(map[string]interface{})
err := yaml.Unmarshal([]byte(varsString), &vars)
if err != nil {
return "", err
}
delete(vars, "jumpbox_ssh")
newVars, err := yaml.Marshal(vars)
if err != nil {
return "", err // not tested
}
return string(newVars), nil
}