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handler.go
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handler.go
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package handler
import (
"crypto/md5"
"crypto/rand"
"encoding/base64"
"encoding/hex"
"fmt"
"github.com/pivotal-cf/brokerapi"
"io"
"os"
)
type ServiceInfo struct {
Service_name string `json:"service_name"`
Plan_name string `json:"plan_name"`
Url string `json:"url"`
Admin_user string `json:"admin_user,omitempty"`
Admin_password string `json:"admin_password,omitempty"`
Database string `json:"database,omitempty"`
User string `json:"user"`
Password string `json:"password"`
}
type Credentials struct {
Uri string `json:"uri"`
Hostname string `json:"host"`
Port string `json:"port"`
Username string `json:"username"`
Password string `json:"password"`
Name string `json:"name,omitempty"`
}
type HandlerDriver interface {
DoProvision(instanceID string, details brokerapi.ProvisionDetails, asyncAllowed bool) (brokerapi.ProvisionedServiceSpec, ServiceInfo, error)
DoLastOperation(myServiceInfo *ServiceInfo) (brokerapi.LastOperation, error)
DoDeprovision(myServiceInfo *ServiceInfo, asyncAllowed bool) (brokerapi.IsAsync, error)
DoBind(myServiceInfo *ServiceInfo, bindingID string, details brokerapi.BindDetails) (brokerapi.Binding, Credentials, error)
DoUnbind(myServiceInfo *ServiceInfo, mycredentials *Credentials) error
}
type Handler struct {
driver HandlerDriver
}
var handlers = make(map[string]HandlerDriver)
func register(name string, handler HandlerDriver) {
if handler == nil {
panic("handler: Register handler is nil")
}
if _, dup := handlers[name]; dup {
panic("handler: Register called twice for handler " + name)
}
handlers[name] = handler
}
func New(name string) (*Handler, error) {
handler, ok := handlers[name]
if !ok {
return nil, fmt.Errorf("Can't find handler %s", name)
}
return &Handler{driver: handler}, nil
}
func (handler *Handler) DoProvision(instanceID string, details brokerapi.ProvisionDetails, asyncAllowed bool) (brokerapi.ProvisionedServiceSpec, ServiceInfo, error) {
return handler.driver.DoProvision(instanceID, details, asyncAllowed)
}
func (handler *Handler) DoLastOperation(myServiceInfo *ServiceInfo) (brokerapi.LastOperation, error) {
return handler.driver.DoLastOperation(myServiceInfo)
}
func (handler *Handler) DoDeprovision(myServiceInfo *ServiceInfo, asyncAllowed bool) (brokerapi.IsAsync, error) {
return handler.driver.DoDeprovision(myServiceInfo, asyncAllowed)
}
func (handler *Handler) DoBind(myServiceInfo *ServiceInfo, bindingID string, details brokerapi.BindDetails) (brokerapi.Binding, Credentials, error) {
return handler.driver.DoBind(myServiceInfo, bindingID, details)
}
func (handler *Handler) DoUnbind(myServiceInfo *ServiceInfo, mycredentials *Credentials) error {
return handler.driver.DoUnbind(myServiceInfo, mycredentials)
}
func getmd5string(s string) string {
h := md5.New()
h.Write([]byte(s))
return hex.EncodeToString(h.Sum(nil))
}
func getguid() string {
b := make([]byte, 48)
if _, err := io.ReadFull(rand.Reader, b); err != nil {
return ""
}
return getmd5string(base64.URLEncoding.EncodeToString(b))
}
func getenv(env string) string {
env_value := os.Getenv(env)
if env_value == "" {
fmt.Println("FATAL: NEED ENV", env)
fmt.Println("Exit...........")
os.Exit(2)
}
fmt.Println("ENV:", env, env_value)
return env_value
}