cells

package
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 Go to latest Published: Oct 9, 2019 License: AGPL-3.0 Imports: 39 Imported by: 0

Documentation

Overview

Package cells provides endpoints for speaking either with a local server using a views.Router (and connecting to the local NATS registry), or a remote Cells server using a GRPC gateway client.

  • Copyright (c) 2019. Abstrium SAS <team (at) pydio.com>

  • This file is part of Pydio Cells. *

  • Pydio Cells is free software: you can redistribute it and/or modify

  • it under the terms of the GNU Affero General Public License as published by

  • the Free Software Foundation, either version 3 of the License, or

  • (at your option) any later version. *

  • Pydio Cells is distributed in the hope that it will be useful,

  • but WITHOUT ANY WARRANTY; without even the implied warranty of

  • MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  • GNU Affero General Public License for more details. *

  • You should have received a copy of the GNU Affero General Public License

  • along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>. *

  • The latest code can be found at <https://pydio.com>.

  • Copyright (c) 2019. Abstrium SAS <team (at) pydio.com>

  • This file is part of Pydio Cells. *

  • Pydio Cells is free software: you can redistribute it and/or modify

  • it under the terms of the GNU Affero General Public License as published by

  • the Free Software Foundation, either version 3 of the License, or

  • (at your option) any later version. *

  • Pydio Cells is distributed in the hope that it will be useful,

  • but WITHOUT ANY WARRANTY; without even the implied warranty of

  • MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  • GNU Affero General Public License for more details. *

  • You should have received a copy of the GNU Affero General Public License

  • along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>. *

  • The latest code can be found at <https://pydio.com>.

Index

Constants

This section is empty.

Variables

View Source 
var (
	RemoteCellsServiceName = "pydio.gateway.grpc"
)

Functions

This section is empty.

Types

type DynamicRegistry 

type DynamicRegistry struct {
	Micro registry.Registry
	// contains filtered or unexported fields
}

DynamicRegistry is an implementation of a Micro Registry that automatically detect the target GRPC port from the discovery endpoint of the target server.

func NewDynamicRegistry 

func NewDynamicRegistry(config *sdk.SdkConfig) *DynamicRegistry

NewDynamicRegistry creates a new DynamicRegistry from a standard SdkConfig

func (*DynamicRegistry) Refresh 

func (d *DynamicRegistry) Refresh() error

Refresh deregisters all services and tries to detect service

type Local 

type Local struct {
	// contains filtered or unexported fields
}

Local directly connects to a Cells server running in the same network, by connecting to the local NATS registry

func NewLocal 

func NewLocal(root string, options Options) *Local

NewLocal creates a new instance of a Local endpoint

func (*Local) ComputeChecksum 

func (c *Local) ComputeChecksum(node *tree.Node) error

ComputeChecksum is not implemented

func (*Local) CreateNode 

func (c *Local) CreateNode(ctx context.Context, node *tree.Node, updateIfExists bool) (err error)

CreateNode is used for creating folders only

func (*Local) DeleteNode 

func (c *Local) DeleteNode(ctx context.Context, name string) (err error)

DeleteNode forwards call to the grpc gateway. For folders, the recursive deletion will happen on the gateway side. It may take some time, thus a request timeout of 5 minutes.

func (*Local) GetCachedBranches 

func (c *Local) GetCachedBranches(ctx context.Context, roots ...string) model.PathSyncSource

GetCachedBranches implements CachedBranchProvider by loading branches in a MemDB

func (*Local) GetEndpointInfo 

func (l *Local) GetEndpointInfo() model.EndpointInfo

GetEndpointInfo returns info about this endpoint

func (*Local) GetReaderOn 

func (c *Local) GetReaderOn(p string) (out io.ReadCloser, err error)

GetReaderOn retrieves an io.ReadCloser from the S3 Get operation

func (*Local) GetWriterOn 

func (c *Local) GetWriterOn(cancel context.Context, p string, targetSize int64) (out io.WriteCloser, writeDone chan bool, writeErr chan error, err error)

GetWriteOn retrieves a WriteCloser wired to the S3 gateway to PUT a file.

func (*Local) LoadNode 

func (c *Local) LoadNode(ctx context.Context, path string, extendedStats ...bool) (node *tree.Node, err error)

LoadNode forwards call to cli.ReadNode

func (*Local) MoveNode 

func (c *Local) MoveNode(ct context.Context, oldPath string, newPath string) (err error)

MoveNode renames a file or folder and *blocks* until the node has been properly moved (sync)

func (*Local) PatchUpdateSnapshot 

func (c *Local) PatchUpdateSnapshot(ctx context.Context, patch interface{})

PatchUpdateSnapshot does nothing

func (*Local) SetUpdateSnapshot 

func (c *Local) SetUpdateSnapshot(target model.PathSyncTarget)

SetUpdateSnapshot registers a snapshot to be updated when events are received from server

func (*Local) Walk 

func (c *Local) Walk(walknFc model.WalkNodesFunc, root string, recursive bool) (err error)

Walk uses cli.ListNodes() to browse nodes starting from a root (recursively or not). Temporary nodes are ignored. Workspaces nodes are ignored if they don't have the WorkspaceSyncable flag in their Metadata

func (*Local) Watch 

func (c *Local) Watch(recursivePath string) (*model.WatchObject, error)

Watch uses a GRPC connection to listen to events from the Grpc Gateway (wired to the the Tree Service via a Router).

type NoopWriter 

type NoopWriter struct{}

NoopWriter is a simple writer for ignoring contents

func (*NoopWriter) Close 

func (nw *NoopWriter) Close() error

func (*NoopWriter) Write 

func (nw *NoopWriter) Write(p []byte) (n int, err error)

type Options 

type Options struct {
	model.EndpointOptions
	// If router is started in an independent process, call basic initialization to connect to registry.
	LocalInitRegistry bool
	// If a sync is connecting two endpoint of a same server, we have to make sure to avoid Uuid collision
	RenewFolderUuids bool
}

type RegistryRefreshClient 

type RegistryRefreshClient struct {
	// contains filtered or unexported fields
}

RegistryRefreshClient is an implementation of a Micro Client that tries to refresh the registry if a streamer connection is broken (GRPC port may change accross server restart).

func (*RegistryRefreshClient) Call 

func (r *RegistryRefreshClient) Call(ctx context.Context, req client.Request, rsp interface{}, opts ...client.CallOption) error

func (*RegistryRefreshClient) CallRemote 

func (r *RegistryRefreshClient) CallRemote(ctx context.Context, addr string, req client.Request, rsp interface{}, opts ...client.CallOption) error

func (*RegistryRefreshClient) Init 

func (r *RegistryRefreshClient) Init(o ...client.Option) error

func (*RegistryRefreshClient) NewJsonRequest 

func (r *RegistryRefreshClient) NewJsonRequest(service, method string, req interface{}, reqOpts ...client.RequestOption) client.Request

func (*RegistryRefreshClient) NewProtoRequest 

func (r *RegistryRefreshClient) NewProtoRequest(service, method string, req interface{}, reqOpts ...client.RequestOption) client.Request

func (*RegistryRefreshClient) NewPublication 

func (r *RegistryRefreshClient) NewPublication(topic string, msg interface{}) client.Publication

func (*RegistryRefreshClient) NewRequest 

func (r *RegistryRefreshClient) NewRequest(service, method string, req interface{}, reqOpts ...client.RequestOption) client.Request

func (*RegistryRefreshClient) Options 

func (r *RegistryRefreshClient) Options() client.Options

func (*RegistryRefreshClient) Publish 

func (r *RegistryRefreshClient) Publish(ctx context.Context, p client.Publication, opts ...client.PublishOption) error

func (*RegistryRefreshClient) Stream 

func (r *RegistryRefreshClient) Stream(ctx context.Context, req client.Request, opts ...client.CallOption) (client.Streamer, error)

func (*RegistryRefreshClient) StreamRemote 

func (r *RegistryRefreshClient) StreamRemote(ctx context.Context, addr string, req client.Request, opts ...client.CallOption) (client.Streamer, error)

func (*RegistryRefreshClient) String 

func (r *RegistryRefreshClient) String() string

type Remote 

type Remote struct {
	// contains filtered or unexported fields
}

Remote connect to a remove Cells server using the GRPC gateway.

func NewRemote 

func NewRemote(config RemoteConfig, root string, options Options) *Remote

NewRemote creates a new Remote Endpoint

func (*Remote) BulkLoadNodes 

func (c *Remote) BulkLoadNodes(ctx context.Context, nodes map[string]string) (map[string]interface{}, error)

BulkLoadNodes streams ReadNode requests from server

func (*Remote) ComputeChecksum 

func (c *Remote) ComputeChecksum(node *tree.Node) error

ComputeChecksum is not implemented

func (*Remote) CreateNode 

func (c *Remote) CreateNode(ctx context.Context, node *tree.Node, updateIfExists bool) (err error)

CreateNode creates folder, eventually resetting their UUID if the options RenewFolderUuids is set. If an indexation session is started, it stacks all Creates in memory and perform them only at Flush.

func (*Remote) DeleteNode 

func (c *Remote) DeleteNode(ctx context.Context, name string) (err error)

DeleteNode forwards call to the grpc gateway. For folders, the recursive deletion will happen on the gateway side. It may take some time, thus a request timeout of 5 minutes.

func (*Remote) FinishSession 

func (c *Remote) FinishSession(ctx context.Context, sessionUuid string) error

FinishSession flushes the session and closes it.

func (*Remote) FlushSession 

func (c *Remote) FlushSession(ctx context.Context, sessionUuid string) error

FlushSession sends all creates as a stream to the target server

func (*Remote) GetCachedBranches 

func (c *Remote) GetCachedBranches(ctx context.Context, roots ...string) model.PathSyncSource

GetCachedBranches implements CachedBranchProvider by loading branches in a MemDB

func (*Remote) GetEndpointInfo 

func (c *Remote) GetEndpointInfo() model.EndpointInfo

GetEndpointInfo returns Endpoint information in standard format.

func (*Remote) GetReaderOn 

func (c *Remote) GetReaderOn(p string) (out io.ReadCloser, err error)

GetReaderOn retrieves an io.ReadCloser from the S3 Get operation

func (*Remote) GetWriterOn 

func (c *Remote) GetWriterOn(cancel context.Context, p string, targetSize int64) (out io.WriteCloser, writeDone chan bool, writeErr chan error, err error)

GetWriteOn retrieves a WriteCloser wired to the S3 gateway to PUT a file.

func (*Remote) LoadNode 

func (c *Remote) LoadNode(ctx context.Context, path string, extendedStats ...bool) (node *tree.Node, err error)

LoadNode forwards call to cli.ReadNode

func (*Remote) MoveNode 

func (c *Remote) MoveNode(ct context.Context, oldPath string, newPath string) (err error)

MoveNode renames a file or folder and *blocks* until the node has been properly moved (sync)

func (*Remote) PatchUpdateSnapshot 

func (c *Remote) PatchUpdateSnapshot(ctx context.Context, patch interface{})

PatchUpdateSnapshot does nothing

func (*Remote) RefreshRemoteConfig 

func (c *Remote) RefreshRemoteConfig(config RemoteConfig)

RefreshRemoteConfig is used to refresh ID Token / Refresh Token from outside

func (*Remote) SetUpdateSnapshot 

func (c *Remote) SetUpdateSnapshot(target model.PathSyncTarget)

SetUpdateSnapshot registers a snapshot to be updated when events are received from server

func (*Remote) StartSession 

func (c *Remote) StartSession(ctx context.Context, rootNode *tree.Node, silent bool) (*tree.IndexationSession, error)

StartSession starts an indexation session.

func (*Remote) Walk 

func (c *Remote) Walk(walknFc model.WalkNodesFunc, root string, recursive bool) (err error)

Walk uses cli.ListNodes() to browse nodes starting from a root (recursively or not). Temporary nodes are ignored. Workspaces nodes are ignored if they don't have the WorkspaceSyncable flag in their Metadata

func (*Remote) Watch 

func (c *Remote) Watch(recursivePath string) (*model.WatchObject, error)

Watch uses a GRPC connection to listen to events from the Grpc Gateway (wired to the the Tree Service via a Router).

type RemoteConfig 

type RemoteConfig struct {
	// Url stores domain name or IP & port to the server.
	Url string `json:"url"`
	// OIDC GrantPassword Flow
	ClientKey    string `json:"clientKey"`
	ClientSecret string `json:"clientSecret"`
	User         string `json:"user"`
	Password     string `json:"password"`
	// OIDC Code Flow
	IdToken      string `json:"id_token"`
	RefreshToken string `json:"refresh_token"`
	ExpiresAt    int    `json:"expires_at"`
	// SkipVerify tells the transport to ignore expired or self-signed TLS certificates
	SkipVerify bool `json:"skipVerify"`
}

RemoteConfig is a dependency-free struct similar to SdkConfig

Source Files

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