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service.go
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service.go
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// Copyright The Athenz Authors
// Licensed under the terms of the Apache version 2.0 license. See LICENSE file for terms.
package zmscli
import (
"bytes"
"fmt"
"strings"
"time"
"github.com/AthenZ/athenz/clients/go/zms"
"github.com/ardielle/ardielle-go/rdl"
)
func shortname(dn string, sn string) string {
shortName := sn
if strings.HasPrefix(shortName, dn+".") {
shortName = shortName[len(dn)+1:]
}
return shortName
}
func (cli Zms) ListServices(dn string) (*string, error) {
services := make([]string, 0)
lst, err := cli.Zms.GetServiceIdentityList(zms.DomainName(dn), nil, "")
if err != nil {
return nil, err
}
oldYamlConverter := func(res interface{}) (*string, error) {
var buf bytes.Buffer
for _, name := range lst.Names {
services = append(services, string(name))
}
if err != nil {
return nil, err
}
if len(services) == 0 {
buf.WriteString("services: []\n")
} else {
buf.WriteString("services:\n")
cli.dumpObjectList(&buf, services, dn, "service")
}
s := buf.String()
return &s, nil
}
return cli.dumpByFormat(lst, oldYamlConverter)
}
func (cli Zms) ShowService(dn string, sn string) (*string, error) {
service, err := cli.Zms.GetServiceIdentity(zms.DomainName(dn), zms.SimpleName(sn))
if err != nil {
return nil, err
}
return cli.ShowUpdatedService(service)
}
func (cli Zms) ShowUpdatedService(service *zms.ServiceIdentity) (*string, error) {
oldYamlConverter := func(res interface{}) (*string, error) {
var buf bytes.Buffer
buf.WriteString("service:\n")
cli.dumpService(&buf, *service, indentLevel1Dash, indentLevel1DashLvl)
s := buf.String()
return &s, nil
}
return cli.dumpByFormat(service, oldYamlConverter)
}
func (cli Zms) AddService(dn string, sn string, keyID string, pubKey *string) (*string, error) {
shortName := shortname(dn, sn)
service, err := cli.Zms.GetServiceIdentity(zms.DomainName(dn), zms.SimpleName(shortName))
if err == nil {
return nil, fmt.Errorf("Service identity already exists: " + string(service.Name) + " - use add-public-key to add a key")
}
longName := dn + "." + shortName
var publicKeys []*zms.PublicKeyEntry
if pubKey != nil {
publicKeys = make([]*zms.PublicKeyEntry, 0)
publicKey := zms.PublicKeyEntry{
Key: *pubKey,
Id: keyID,
}
publicKeys = append(publicKeys, &publicKey)
}
detail := zms.ServiceIdentity{
Name: zms.ServiceName(longName),
PublicKeys: publicKeys,
ProviderEndpoint: "",
Modified: nil,
Executable: "",
Hosts: nil,
User: "",
Group: "",
}
returnObject := true
updatedService, err := cli.Zms.PutServiceIdentity(zms.DomainName(dn), zms.SimpleName(shortName), cli.AuditRef, &returnObject, &detail)
if err != nil {
return nil, err
}
if cli.Bulkmode {
s := ""
return &s, nil
}
return cli.ShowUpdatedService(updatedService)
}
func (cli Zms) AddProviderService(dn string, sn string, keyID string, pubKey *string) (*string, error) {
shortName := shortname(dn, sn)
service, err := cli.Zms.GetServiceIdentity(zms.DomainName(dn), zms.SimpleName(shortName))
if err == nil {
return nil, fmt.Errorf("Service identity already exists: " + string(service.Name) + " - use add-public-key to add a key")
}
longName := dn + "." + shortName
publicKeys := make([]*zms.PublicKeyEntry, 0)
publicKey := zms.PublicKeyEntry{
Key: *pubKey,
Id: keyID,
}
publicKeys = append(publicKeys, &publicKey)
detail := zms.ServiceIdentity{
Name: zms.ServiceName(longName),
PublicKeys: publicKeys,
ProviderEndpoint: "",
Modified: nil,
Executable: "",
Hosts: nil,
User: "",
Group: "",
}
returnObject := false
_, err = cli.Zms.PutServiceIdentity(zms.DomainName(dn), zms.SimpleName(shortName), cli.AuditRef, &returnObject, &detail)
if err != nil {
return nil, err
}
// after our service has been created we are going to
// create a self_serve role for this provider
rn := shortName + "_self_serve"
fullResourceName := dn + ":role." + rn
var role zms.Role
_, err = cli.Zms.GetRole(zms.DomainName(dn), zms.EntityName(rn), nil, nil, nil)
if err == nil {
return nil, fmt.Errorf("provider service created but self serve role already exists: %v", fullResourceName)
}
switch v := err.(type) {
case rdl.ResourceError:
if v.Code != 404 {
return nil, v
}
}
role.Name = zms.ResourceName(fullResourceName)
role.Members = make([]zms.MemberName, 0)
role.Members = append(role.Members, zms.MemberName(longName))
_, err = cli.Zms.PutRole(zms.DomainName(dn), zms.EntityName(rn), cli.AuditRef, &returnObject, &role)
if err != nil {
return nil, err
}
// now that the self_serve role has been created we are
// going to create the self_serve policy for this
// provider that would give access to all tenants
pn := shortName + "_self_serve"
fullResourceName = dn + ":policy." + pn
_, err = cli.Zms.GetPolicy(zms.DomainName(dn), zms.EntityName(pn))
if err == nil {
return nil, fmt.Errorf("provider service created but self serve policy already exists: %v", fullResourceName)
}
switch v := err.(type) {
case rdl.ResourceError:
if v.Code != 404 {
return nil, v
}
}
policy := zms.Policy{}
policy.Name = zms.ResourceName(fullResourceName)
assertion := make([]string, 0)
assertion = append(assertion, "grant")
assertion = append(assertion, "update")
assertion = append(assertion, "to")
assertion = append(assertion, rn)
assertion = append(assertion, "on")
assertion = append(assertion, "tenant.*")
newAssertion, err := parseAssertion(dn, assertion)
if err != nil {
return nil, err
}
tmp := [1]*zms.Assertion{newAssertion}
policy.Assertions = tmp[:]
_, err = cli.Zms.PutPolicy(zms.DomainName(dn), zms.EntityName(pn), cli.AuditRef, &returnObject, &policy)
if err != nil {
return nil, err
}
if cli.Bulkmode {
s := ""
return &s, nil
}
output, err := cli.ShowService(dn, shortName)
if err != nil {
// due to mysql read after write issue it's possible that
// we'll get 404 after writing our object so in that
// case we're going to do a quick sleep and retry request
time.Sleep(500 * time.Millisecond)
output, err = cli.ShowService(dn, shortName)
}
return output, err
}
func (cli Zms) AddServiceWithKeys(dn string, sn string, publicKeys []*zms.PublicKeyEntry) (*string, error) {
shortName := shortname(dn, sn)
service, err := cli.Zms.GetServiceIdentity(zms.DomainName(dn), zms.SimpleName(shortName))
if err == nil {
return nil, fmt.Errorf("Service identity already exists: " + string(service.Name) + " - use add-public-key to add a key")
}
longName := dn + "." + shortName
detail := zms.ServiceIdentity{
Name: zms.ServiceName(longName),
PublicKeys: publicKeys,
ProviderEndpoint: "",
Modified: nil,
Executable: "",
Hosts: nil,
User: "",
Group: "",
}
returnObject := true
updatedService, err := cli.Zms.PutServiceIdentity(zms.DomainName(dn), zms.SimpleName(shortName), cli.AuditRef, &returnObject, &detail)
if err != nil {
return nil, err
}
if cli.Bulkmode {
s := ""
return &s, nil
}
return cli.ShowUpdatedService(updatedService)
}
func (cli Zms) SetServiceEndpoint(dn string, sn string, endpoint string) (*string, error) {
shortName := shortname(dn, sn)
meta := zms.ServiceIdentitySystemMeta{
ProviderEndpoint: endpoint,
}
err := cli.Zms.PutServiceIdentitySystemMeta(zms.DomainName(dn), zms.SimpleName(shortName), "providerendpoint", cli.AuditRef, &meta)
if err != nil {
return nil, err
}
s := "[domain " + dn + " service " + sn + " service-endpoint successfully updated]\n"
message := SuccessMessage{
Status: 200,
Message: s,
}
return cli.dumpByFormat(message, cli.buildYAMLOutput)
}
func (cli Zms) SetServiceExe(dn string, sn string, exe string, user string, group string) (*string, error) {
shortName := shortname(dn, sn)
service, err := cli.Zms.GetServiceIdentity(zms.DomainName(dn), zms.SimpleName(shortName))
if err != nil {
return nil, err
}
service.Executable = exe
service.User = user
service.Group = group
returnObject := true
updatedService, err := cli.Zms.PutServiceIdentity(zms.DomainName(dn), zms.SimpleName(shortName), cli.AuditRef, &returnObject, service)
if err != nil {
return nil, err
}
if cli.Bulkmode {
s := ""
return &s, nil
}
return cli.ShowUpdatedService(updatedService)
}
func (cli Zms) AddServiceHost(dn string, sn string, hosts []string) (*string, error) {
shortName := shortname(dn, sn)
service, err := cli.Zms.GetServiceIdentity(zms.DomainName(dn), zms.SimpleName(shortName))
if err != nil {
return nil, err
}
if service.Hosts == nil {
service.Hosts = hosts
} else {
for _, host := range hosts {
if !cli.contains(service.Hosts, host) {
service.Hosts = append(service.Hosts, host)
}
}
}
returnObject := true
updatedService, err := cli.Zms.PutServiceIdentity(zms.DomainName(dn), zms.SimpleName(shortName), cli.AuditRef, &returnObject, service)
if err != nil {
return nil, err
}
if cli.Bulkmode {
s := ""
return &s, nil
}
return cli.ShowUpdatedService(updatedService)
}
func (cli Zms) DeleteServiceHost(dn string, sn string, hosts []string) (*string, error) {
shortName := shortname(dn, sn)
service, err := cli.Zms.GetServiceIdentity(zms.DomainName(dn), zms.SimpleName(shortName))
if err != nil {
return nil, err
}
if service.Hosts != nil {
service.Hosts = cli.RemoveAll(service.Hosts, hosts)
returnObject := false
_, err = cli.Zms.PutServiceIdentity(zms.DomainName(dn), zms.SimpleName(shortName), cli.AuditRef, &returnObject, service)
if err != nil {
return nil, err
}
}
if cli.Bulkmode {
s := ""
return &s, nil
}
return cli.ShowService(dn, shortName)
}
func (cli Zms) AddServicePublicKey(dn string, sn string, keyID string, pubKey *string) (*string, error) {
shortName := shortname(dn, sn)
publicKey := zms.PublicKeyEntry{
Key: *pubKey,
Id: keyID,
}
err := cli.Zms.PutPublicKeyEntry(zms.DomainName(dn), zms.SimpleName(shortName), keyID, cli.AuditRef, &publicKey)
if err != nil {
return nil, err
}
if cli.Bulkmode {
s := ""
return &s, nil
}
return cli.ShowService(dn, shortName)
}
func (cli Zms) ShowServicePublicKey(dn string, sn string, keyID string) (*string, error) {
shortName := shortname(dn, sn)
pkey, err := cli.Zms.GetPublicKeyEntry(zms.DomainName(dn), zms.SimpleName(shortName), keyID)
if err != nil {
return nil, err
}
oldYamlConverter := func(res interface{}) (*string, error) {
var buf bytes.Buffer
buf.WriteString("public-key:\n")
buf.WriteString(indentLevel1 + "keyID: " + pkey.Id + "\n")
buf.WriteString(indentLevel1 + "value: " + pkey.Key + "\n")
s := buf.String()
return &s, nil
}
return cli.dumpByFormat(pkey, oldYamlConverter)
}
func (cli Zms) DeleteServicePublicKey(dn string, sn string, keyID string) (*string, error) {
shortName := shortname(dn, sn)
err := cli.Zms.DeletePublicKeyEntry(zms.DomainName(dn), zms.SimpleName(shortName), keyID, cli.AuditRef)
if err != nil {
return nil, err
}
if cli.Bulkmode {
s := ""
return &s, nil
}
return cli.ShowService(dn, shortName)
}
func (cli Zms) DeleteService(dn string, sn string) (*string, error) {
err := cli.Zms.DeleteServiceIdentity(zms.DomainName(dn), zms.SimpleName(sn), cli.AuditRef)
if err != nil {
return nil, err
}
s := "[Deleted service identity: " + dn + "." + sn + "]"
message := SuccessMessage{
Status: 200,
Message: s,
}
return cli.dumpByFormat(message, cli.buildYAMLOutput)
}