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quobyte.go
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quobyte.go
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package quobyte
import (
"log"
"net/http"
"net/http/cookiejar"
"net/url"
"regexp"
)
// retry policy codes
const (
RetryInteractive string = "INTERACTIVE"
RetryInfinitely string = "INFINITELY"
)
var UUIDValidator = regexp.MustCompile("^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-4[a-fA-F0-9]{3}-[8|9|aA|bB][a-fA-F0-9]{3}-[a-fA-F0-9]{12}$")
type QuobyteClient struct {
client *http.Client
url *url.URL
username string
password string
apiRetryPolicy string
}
// Extended ExtendedQuobyteApi with some utility methods - such as resolve volume name to uuid before
// invoking ExtendedQuobyteApi etc
//
//go:generate mockgen -package=mocks -destination ../mocks/mock_quobyte_api.go github.com/quobyte/api/quobyte ExtendedQuobyteApi
type ExtendedQuobyteApi interface {
QuobyteApi
GetVolumeUUID(volume, tenant string) (string, error)
GetTenantUUID(tenant string) (string, error)
ResolveVolumeNameToUUID(volumeName, tenant string) (string, error)
DeleteVolumeByResolvingNamesToUUID(volume, tenant string) error
DeleteVolumeByName(volumeName, tenant string) error
EraseVolumeByResolvingNamesToUUID(volume, tenant string, force bool) error
EraseVolumeByResolvingNamesToUUID_2X(volume, tenant string) error
SetVolumeQuota(volumeUUID string, quotaSize int64) error
GetTenantMap() (map[string]string, error)
ResolveTenantNameToUUID(name string) (string, error)
SetAPIRetryPolicy(retry string)
GetAPIRetryPolicy() string
SetTransport(t http.RoundTripper)
}
// compile time check for interface compatibility
var _ ExtendedQuobyteApi = &QuobyteClient{}
func (client *QuobyteClient) hasCookies() (bool, error) {
return client.client.Jar != nil && len(client.client.Jar.Cookies(client.url)) > 0, nil
}
func (client *QuobyteClient) SetAPIRetryPolicy(retry string) {
client.apiRetryPolicy = retry
}
func (client *QuobyteClient) GetAPIRetryPolicy() string {
return client.apiRetryPolicy
}
func (client *QuobyteClient) SetTransport(t http.RoundTripper) {
client.client.Transport = t
}
// NewQuobyteClient creates a new Quobyte API client
func NewQuobyteClient(urlStr string, username string, password string) *QuobyteClient {
url, err := url.Parse(urlStr)
if err != nil {
log.Fatalf("could not parse url due to %s", err.Error())
}
cookieJar, err := cookiejar.New(nil)
if err != nil {
log.Fatalf("could not initialize cookie jar due to %s", err.Error())
}
return &QuobyteClient{
client: &http.Client{Jar: cookieJar},
url: url,
username: username,
password: password,
apiRetryPolicy: RetryInteractive,
}
}
// GetVolumeUUID resolves the volumeUUID for the given volume and tenant name.
// This method should be used when it is not clear if the given string is volume UUID or Name.
func (client *QuobyteClient) GetVolumeUUID(volume, tenant string) (string, error) {
if len(volume) != 0 && !IsValidUUID(volume) {
tenantUUID, err := client.GetTenantUUID(tenant)
if err != nil {
return "", err
}
volUUID, err := client.ResolveVolumeNameToUUID(volume, tenantUUID)
if err != nil {
return "", err
}
return volUUID, nil
}
return volume, nil
}
// GetTenantUUID resolves the tenantUUID for the given name
// This method should be used when it is not clear if the given string is Tenant UUID or Name.
func (client *QuobyteClient) GetTenantUUID(tenant string) (string, error) {
if len(tenant) != 0 && !IsValidUUID(tenant) {
tenantUUID, err := client.ResolveTenantNameToUUID(tenant)
if err != nil {
return "", err
}
return tenantUUID, nil
}
return tenant, nil
}
// ResolveVolumeNameToUUID resolves a volume name to a UUID
func (client *QuobyteClient) ResolveVolumeNameToUUID(volumeName, tenant string) (string, error) {
request := &ResolveVolumeNameRequest{
VolumeName: volumeName,
TenantDomain: tenant,
}
var response ResolveVolumeNameResponse
if err := client.sendRequest("resolveVolumeName", request, &response); err != nil {
return "", err
}
return response.VolumeUuid, nil
}
// Deprecated: Use Erase variant of the method instead.
// DeleteVolumeByResolvingNamesToUUID deletes the volume by resolving the volume name and tenant name to
// respective UUID if required.
// This method should be used if the given volume, tenant information is name or UUID.
func (client *QuobyteClient) DeleteVolumeByResolvingNamesToUUID(volume, tenant string) error {
volumeUUID, err := client.GetVolumeUUID(volume, tenant)
if err != nil {
return err
}
_, err = client.DeleteVolume(&DeleteVolumeRequest{VolumeUuid: volumeUUID})
return err
}
// Deprecated: Use Erase variant of the method instead.
// DeleteVolumeByName deletes a volume by a given name
func (client *QuobyteClient) DeleteVolumeByName(volumeName, tenant string) error {
uuid, err := client.ResolveVolumeNameToUUID(volumeName, tenant)
if err != nil {
return err
}
_, err = client.DeleteVolume(&DeleteVolumeRequest{VolumeUuid: uuid})
return err
}
// EraseVolumeByResolvingNamesToUUID Erases the volume by resolving the volume name and tenant name
// to respective UUID if required. (Use only against Quobyte 3.x)
func (client *QuobyteClient) EraseVolumeByResolvingNamesToUUID(volume, tenant string, force bool) error {
volumeUUID, err := client.GetVolumeUUID(volume, tenant)
if err != nil {
return err
}
_, err = client.EraseVolume(&EraseVolumeRequest{VolumeUuid: volumeUUID, Force: force})
return err
}
// EraseVolumeByResolvingNamesToUUID_2X Erases the volume by resolving the volume name and tenant name
// to respective UUID if required. (Use against Quobyte 2.x or 3.x)
func (client *QuobyteClient) EraseVolumeByResolvingNamesToUUID_2X(volume, tenant string) error {
volumeUUID, err := client.GetVolumeUUID(volume, tenant)
if err != nil {
return err
}
_, err = client.EraseVolume(&EraseVolumeRequest{VolumeUuid: volumeUUID})
return err
}
// SetVolumeQuota sets a Quota to the specified Volume
func (client *QuobyteClient) SetVolumeQuota(volumeUUID string, quotaSize int64) error {
request := &SetQuotaRequest{
Quotas: []*Quota{
{
Consumer: []*ConsumingEntity{
{
Type: ConsumingEntity_Type_VOLUME,
Identifier: volumeUUID,
},
},
Limits: []*Resource{
{
Type: Resource_Type_LOGICAL_DISK_SPACE,
Value: quotaSize,
},
},
},
},
}
return client.sendRequest("setQuota", request, nil)
}
// GetTenantMap returns a map that contains all tenant names and there ID's
func (client *QuobyteClient) GetTenantMap() (map[string]string, error) {
result := map[string]string{}
response, err := client.GetTenant(&GetTenantRequest{})
if err != nil {
return result, err
}
for _, tenant := range response.Tenant {
result[tenant.Name] = tenant.TenantId
}
return result, nil
}
// IsValidUUID Validates the given uuid
func IsValidUUID(uuid string) bool {
return UUIDValidator.MatchString(uuid)
}
// ResolveTenantNameToUUID Returns UUID for given name, error if not found.
func (client *QuobyteClient) ResolveTenantNameToUUID(name string) (string, error) {
request := &ResolveTenantNameRequest{
TenantName: name,
}
var response ResolveTenantNameResponse
err := client.sendRequest("resolveTenantName", request, &response)
if err != nil {
return "", err
}
return response.TenantId, nil
}