129 lines
3.7 KiB
Go
129 lines
3.7 KiB
Go
package policy
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/hashicorp/consul/api"
|
|
)
|
|
|
|
const (
|
|
PrettyFormat string = "pretty"
|
|
JSONFormat string = "json"
|
|
)
|
|
|
|
// Formatter defines methods provided by policy command output formatter
|
|
type Formatter interface {
|
|
FormatPolicy(policy *api.ACLPolicy) (string, error)
|
|
FormatPolicyList(policies []*api.ACLPolicyListEntry) (string, error)
|
|
}
|
|
|
|
// GetSupportedFormats returns supported formats
|
|
func GetSupportedFormats() []string {
|
|
return []string{PrettyFormat, JSONFormat}
|
|
}
|
|
|
|
// NewFormatter returns Formatter implementation
|
|
func NewFormatter(format string, showMeta bool) (formatter Formatter, err error) {
|
|
switch format {
|
|
case PrettyFormat:
|
|
formatter = newPrettyFormatter(showMeta)
|
|
case JSONFormat:
|
|
formatter = newJSONFormatter(showMeta)
|
|
default:
|
|
err = fmt.Errorf("Unknown format: %s", format)
|
|
}
|
|
|
|
return formatter, err
|
|
}
|
|
|
|
func newPrettyFormatter(showMeta bool) Formatter {
|
|
return &prettyFormatter{showMeta}
|
|
}
|
|
|
|
type prettyFormatter struct {
|
|
showMeta bool
|
|
}
|
|
|
|
func (f *prettyFormatter) FormatPolicy(policy *api.ACLPolicy) (string, error) {
|
|
var buffer bytes.Buffer
|
|
|
|
buffer.WriteString(fmt.Sprintf("ID: %s\n", policy.ID))
|
|
buffer.WriteString(fmt.Sprintf("Name: %s\n", policy.Name))
|
|
if policy.Partition != "" {
|
|
buffer.WriteString(fmt.Sprintf("Partition: %s\n", policy.Partition))
|
|
}
|
|
if policy.Namespace != "" {
|
|
buffer.WriteString(fmt.Sprintf("Namespace: %s\n", policy.Namespace))
|
|
}
|
|
buffer.WriteString(fmt.Sprintf("Description: %s\n", policy.Description))
|
|
buffer.WriteString(fmt.Sprintf("Datacenters: %s\n", strings.Join(policy.Datacenters, ", ")))
|
|
if f.showMeta {
|
|
buffer.WriteString(fmt.Sprintf("Hash: %x\n", policy.Hash))
|
|
buffer.WriteString(fmt.Sprintf("Create Index: %d\n", policy.CreateIndex))
|
|
buffer.WriteString(fmt.Sprintf("Modify Index: %d\n", policy.ModifyIndex))
|
|
}
|
|
buffer.WriteString(fmt.Sprintln("Rules:"))
|
|
buffer.WriteString(policy.Rules)
|
|
|
|
return buffer.String(), nil
|
|
}
|
|
|
|
func (f *prettyFormatter) FormatPolicyList(policies []*api.ACLPolicyListEntry) (string, error) {
|
|
var buffer bytes.Buffer
|
|
|
|
for _, policy := range policies {
|
|
buffer.WriteString(f.formatPolicyListEntry(policy))
|
|
}
|
|
|
|
return buffer.String(), nil
|
|
}
|
|
|
|
func (f *prettyFormatter) formatPolicyListEntry(policy *api.ACLPolicyListEntry) string {
|
|
var buffer bytes.Buffer
|
|
|
|
buffer.WriteString(fmt.Sprintf("%s:\n", policy.Name))
|
|
buffer.WriteString(fmt.Sprintf(" ID: %s\n", policy.ID))
|
|
if policy.Partition != "" {
|
|
buffer.WriteString(fmt.Sprintf(" Partition: %s\n", policy.Partition))
|
|
}
|
|
if policy.Namespace != "" {
|
|
buffer.WriteString(fmt.Sprintf(" Namespace: %s\n", policy.Namespace))
|
|
}
|
|
buffer.WriteString(fmt.Sprintf(" Description: %s\n", policy.Description))
|
|
buffer.WriteString(fmt.Sprintf(" Datacenters: %s\n", strings.Join(policy.Datacenters, ", ")))
|
|
if f.showMeta {
|
|
buffer.WriteString(fmt.Sprintf(" Hash: %x\n", policy.Hash))
|
|
buffer.WriteString(fmt.Sprintf(" Create Index: %d\n", policy.CreateIndex))
|
|
buffer.WriteString(fmt.Sprintf(" Modify Index: %d\n", policy.ModifyIndex))
|
|
}
|
|
|
|
return buffer.String()
|
|
}
|
|
|
|
func newJSONFormatter(showMeta bool) Formatter {
|
|
return &jsonFormatter{showMeta}
|
|
}
|
|
|
|
type jsonFormatter struct {
|
|
showMeta bool
|
|
}
|
|
|
|
func (f *jsonFormatter) FormatPolicy(policy *api.ACLPolicy) (string, error) {
|
|
b, err := json.MarshalIndent(policy, "", " ")
|
|
if err != nil {
|
|
return "", fmt.Errorf("Failed to marshal policy: %v", err)
|
|
}
|
|
return string(b), nil
|
|
}
|
|
|
|
func (f *jsonFormatter) FormatPolicyList(policies []*api.ACLPolicyListEntry) (string, error) {
|
|
b, err := json.MarshalIndent(policies, "", " ")
|
|
if err != nil {
|
|
return "", fmt.Errorf("Failed to marshal policies: %v", err)
|
|
}
|
|
return string(b), nil
|
|
}
|