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requests.go
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requests.go
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package users
import (
"errors"
"github.com/apcera/libretto/Godeps/_workspace/src/github.com/rackspace/gophercloud"
db "github.com/apcera/libretto/Godeps/_workspace/src/github.com/rackspace/gophercloud/openstack/db/v1/databases"
"github.com/apcera/libretto/Godeps/_workspace/src/github.com/rackspace/gophercloud/pagination"
)
// CreateOptsBuilder is the top-level interface for creating JSON maps.
type CreateOptsBuilder interface {
ToUserCreateMap() (map[string]interface{}, error)
}
// CreateOpts is the struct responsible for configuring a new user; often in the
// context of an instance.
type CreateOpts struct {
// [REQUIRED] Specifies a name for the user. Valid names can be composed
// of the following characters: letters (either case); numbers; these
// characters '@', '?', '#', ' ' but NEVER beginning a name string; '_' is
// permitted anywhere. Prohibited characters that are forbidden include:
// single quotes, double quotes, back quotes, semicolons, commas, backslashes,
// and forward slashes. Spaces at the front or end of a user name are also
// not permitted.
Name string
// [REQUIRED] Specifies a password for the user.
Password string
// [OPTIONAL] An array of databases that this user will connect to. The
// "name" field is the only requirement for each option.
Databases db.BatchCreateOpts
// [OPTIONAL] Specifies the host from which a user is allowed to connect to
// the database. Possible values are a string containing an IPv4 address or
// "%" to allow connecting from any host. Optional; the default is "%".
Host string
}
// ToMap is a convenience function for creating sub-maps for individual users.
func (opts CreateOpts) ToMap() (map[string]interface{}, error) {
if opts.Name == "root" {
return nil, errors.New("root is a reserved user name and cannot be used")
}
if opts.Name == "" {
return nil, errors.New("Name is a required field")
}
if opts.Password == "" {
return nil, errors.New("Password is a required field")
}
user := map[string]interface{}{
"name": opts.Name,
"password": opts.Password,
}
if opts.Host != "" {
user["host"] = opts.Host
}
dbs := make([]map[string]string, len(opts.Databases))
for i, db := range opts.Databases {
dbs[i] = map[string]string{"name": db.Name}
}
if len(dbs) > 0 {
user["databases"] = dbs
}
return user, nil
}
// BatchCreateOpts allows multiple users to be created at once.
type BatchCreateOpts []CreateOpts
// ToUserCreateMap will generate a JSON map.
func (opts BatchCreateOpts) ToUserCreateMap() (map[string]interface{}, error) {
users := make([]map[string]interface{}, len(opts))
for i, opt := range opts {
user, err := opt.ToMap()
if err != nil {
return nil, err
}
users[i] = user
}
return map[string]interface{}{"users": users}, nil
}
// Create asynchronously provisions a new user for the specified database
// instance based on the configuration defined in CreateOpts. If databases are
// assigned for a particular user, the user will be granted all privileges
// for those specified databases. "root" is a reserved name and cannot be used.
func Create(client *gophercloud.ServiceClient, instanceID string, opts CreateOptsBuilder) CreateResult {
var res CreateResult
reqBody, err := opts.ToUserCreateMap()
if err != nil {
res.Err = err
return res
}
_, res.Err = client.Request("POST", baseURL(client, instanceID), gophercloud.RequestOpts{
JSONBody: &reqBody,
OkCodes: []int{202},
})
return res
}
// List will list all the users associated with a specified database instance,
// along with their associated databases. This operation will not return any
// system users or administrators for a database.
func List(client *gophercloud.ServiceClient, instanceID string) pagination.Pager {
createPageFn := func(r pagination.PageResult) pagination.Page {
return UserPage{pagination.LinkedPageBase{PageResult: r}}
}
return pagination.NewPager(client, baseURL(client, instanceID), createPageFn)
}
// Delete will permanently delete a user from a specified database instance.
func Delete(client *gophercloud.ServiceClient, instanceID, userName string) DeleteResult {
var res DeleteResult
_, res.Err = client.Request("DELETE", userURL(client, instanceID, userName), gophercloud.RequestOpts{
OkCodes: []int{202},
})
return res
}