// Copyright 2018 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

syntax = "proto3";
option optimize_for = LITE_RUNTIME;

// This file defines messages used for interacting directly with containers
// running inside of a VM.
package vm_tools.cicerone;
option go_package = "vm_cicerone_proto";

// Message sent to cicerone when a VM has started up. This is just for
// tracking purposes by cicerone.
message NotifyVmStartedRequest {
  // Name of the VM.
  string vm_name = 1;

  // The owner of the VM.
  string owner_id = 2;

  // The IPv4 subnet for containers within the VM in network byte order.
  uint32 container_ipv4_subnet = 3;

  // The netmask for the IPv4 subnet for containers within the VM in network
  // byte order.
  uint32 container_ipv4_netmask = 4;

  // The IPv4 address of the VM in network byte order.
  uint32 ipv4_address = 5;
}

// Message sent to cicerone when a VM stopped or failed to complete startup.
// This is just for tracking purposes by cicerone.
message NotifyVmStoppedRequest {
  // Name of the VM.
  string vm_name = 1;

  // The owner of the VM.
  string owner_id = 2;
}

// Message sent to cicerone when requesting a token for linking to a container
// that is going to be started for a VM.
message ContainerTokenRequest {
  // Name of the VM.
  string vm_name = 1;

  // Name of the container within the VM.
  string container_name = 2;

  // The owner of the VM.
  string owner_id = 3;
}

// Reply to the GetContainerToken method.
message ContainerTokenResponse {
  // A token that should be passed into the container to identify itself. This
  // token will be the empty string if the request was invalid.
  string container_token = 1;
}

// Message sent to cicerone to check whether or not a specific container is
// currently running.
message IsContainerRunningRequest {
  // Name of the VM.
  string vm_name = 1;

  // Name of the container within the VM.
  string container_name = 2;

  // The owner of the VM.
  string owner_id = 3;
}

// Reply to the IsContainerRunning method.
message IsContainerRunningResponse {
  // True if the container is running, false otherwise.
  bool container_running = 1;
}

// Message used in the signal for when tremplin has started.
message TremplinStartedSignal {
  // Name of the VM the container is in.
  string vm_name = 1;

  // The owner of the VM.
  string owner_id = 2;
}

// Message used in the signal for when a container has started up.
message ContainerStartedSignal {
  // Name of the VM the container is in.
  string vm_name = 1;

  // Name of the container within the VM.
  string container_name = 2;

  // The owner of the VM and container.
  string owner_id = 3;
}

// Message used in the signal for when a container has shut down.
message ContainerShutdownSignal {
  // Name of the VM the container is in.
  string vm_name = 1;

  // Name of the container within the VM.
  string container_name = 2;

  // The owner of the VM and container.
  string owner_id = 3;
}

// Request to launch on application in the specified VM/container. Used with the
// LaunchContainerApplication D-Bus message into vm_concierge.
message LaunchContainerApplicationRequest {
  // Name of the VM to target.
  string vm_name = 1;

  // Name of the container within the VM to target, if empty the default
  // container name will be used.
  string container_name = 2;

  // ID of the application to launch, should map to the desktop_file_id that
  // is in the application list sent back from the container.
  string desktop_file_id = 3;

  // The owner of the vm and container.
  string owner_id = 4;

  // Files to pass as arguments when launching the application, if any, given
  // as absolute paths within the container's filesystem.
  repeated string files = 5;
}

// Response sent back by vm_concierge when it receives a
// LaunchContainerApplication D-Bus message.
message LaunchContainerApplicationResponse {
  // If true, the requested application launched successfully.
  bool success = 1;

  // The failure_reason if the requested application could not be started.
  string failure_reason = 2;
}

// Request to get application icons in the specified VM/container. Used with the
// GetContainerAppIcon D-Bus message into vm_concierge.
message ContainerAppIconRequest {
  // Name of the VM to target.
  string vm_name = 1;

  // Name of the container within the VM to target, if empty the default
  // container name will be used.
  string container_name = 2;

  // IDs of the application to get icons for, should map to the desktop_file_id
  // that is in the application list sent back from the container.
  repeated string desktop_file_ids = 3;

  // The icon size with both its height and width equal to this number.
  int32 size = 4;

  // The target scale of this icon. This is the scale factor at which this icon
  // is designed to be used.
  int32 scale = 5;

  // The owner of the VM and container.
  string owner_id = 6;
}

// One desktop file ID with its icon.
message DesktopIcon {
  string desktop_file_id = 1;
  bytes icon = 2;
}

// Response sent back by vm_concierge when it receives a
// GetContainerAppIcon D-Bus message.
// Some desktop_file_id may not have an icon.
message ContainerAppIconResponse {
  repeated DesktopIcon icons = 1;
}

// Launch vshd request.
message LaunchVshdRequest {
  // Name of the VM to target.
  string vm_name = 1;

  // Name of the container within the VM to target.
  string container_name = 2;

  // The port for vshd to connect to.
  uint32 port = 3;

  // The owner of the VM and container.
  string owner_id = 4;
}

// Response sent back by vm_cicerone when it receives a LaunchVshd
// call.
message LaunchVshdResponse {
  bool success = 1;

  string failure_reason = 2;
}

// Request to get information about a Linux package file in the container.
message LinuxPackageInfoRequest {
  // Name of the VM to target.
  string vm_name = 1;

  // Name of the container within the VM to target.
  string container_name = 2;

  // The owner of the VM and container.
  string owner_id = 3;

  // Path to the package file (e.g. .deb) in the container's filesystem.
  string file_path = 4;
}

// Response sent back from a GetLinuxPackageInfo call.
message LinuxPackageInfoResponse {
  // True if the file was successfully parsed and the other fields are valid.
  bool success = 1;

  // Contains a textual reason for the failure in case success is false.
  string failure_reason = 2;

  // The package identifier is in the form of a semicolon delimited string of
  // the format: name;version;arch;data
  // name, version and arch are as expected. data is somewhat variant and refers
  // to the state of the package as well as potentially remote repository
  // information.
  string package_id = 3;

  // The license associated with the package. So far only the value of
  // 'unknown' has been observed for this field.
  string license = 4;

  // The description of the package, can be a multi-line text string.
  string description = 5;

  // The URL for the homepage of the project.
  string project_url = 6;

  // Size of the package file in bytes.
  uint64 size = 7;

  // Usually more of a title for a package, but sometimes less descriptive
  // than that.
  string summary = 8;
}

// Request to install a Linux package file in the container.
message InstallLinuxPackageRequest {
  // Name of the VM to target.
  string vm_name = 1;

  // Name of the container within the VM to target.
  string container_name = 2;

  // The owner of the VM and container.
  string owner_id = 3;

  // Path to the package file (e.g. .deb) in the container's filesystem.
  string file_path = 4;
}

// Response sent back from a InstallLinuxPackage call.
message InstallLinuxPackageResponse {
  enum Status {
    // Install process was successfully started, all further updates will be
    // sent via the InstallLinuxPackageProgress signal.
    STARTED = 0;

    // Failed to start up for a general reason, specific details are given in
    // failure_reason.
    FAILED = 1;

    // Indicates another install is already in process, this one will not be
    // started.
    INSTALL_ALREADY_ACTIVE = 2;
  }
  Status status = 1;

  // Contains a textual reason for the failure in case of a FAILED status.
  string failure_reason = 2;
}

// Message used in a signal for updates on Linux package installations.
message InstallLinuxPackageProgressSignal {
  // Name of the VM the container is in.
  string vm_name = 1;

  // Name of the container within the VM.
  string container_name = 2;

  // The owner of the VM and container.
  string owner_id = 3;

  enum Status {
    // Install has completed and was successful. No further signals will be
    // sent after this one.
    SUCCEEDED = 0;

    // Install failed to complete, the specific reason will be in
    // failure_details. No further signals will be sent after this one.
    FAILED = 1;

    // This is sent periodically while packages are being downloaded.
    DOWNLOADING = 2;

    // This is sent periodically during the general installation phase for
    // package and dependency installation.
    INSTALLING = 3;
  }

  // Current status of the installation progress.
  Status status = 4;

  // Overall percentage progress.
  uint32 progress_percent = 5;

  // Details relating to the failure state. This can be a multi-line string in
  // some cases (that's how it comes out of PackageKit, for example in the case
  // of an unsatisfiable dependency).
  string failure_details = 6;
}


// Request for creating an LXD container.
message CreateLxdContainerRequest {
  // Name of the VM to target.
  string vm_name = 1;

  // Name of the container to start within the VM.
  string container_name = 2;

  // The owner of the VM and container.
  string owner_id = 3;

  // LXD image server URL. Only simplestreams is supported for now.
  string image_server = 4;

  // LXD image alias.
  string image_alias = 5;
}

// Response for creating an LXD container.
message CreateLxdContainerResponse {
  enum Status {
    // The status of creating the container is unknown.
    UNKNOWN = 0;

    // The container is now being created. An LxdContainerCreated signal will
    // relay the final result.
    CREATING = 1;

    // A container with this name already exists.
    EXISTS = 2;

    // The container could not be created.
    FAILED = 3;
  }

  // Container creation status.
  Status status = 1;

  // The failure_reason if the container could not be created.
  string failure_reason = 2;
}

// Message used in the LxdContainerCreated signal for the outcome of an
// LxdCreateContainer message.
message LxdContainerCreatedSignal {
  // Name of the VM the container is in.
  string vm_name = 1;

  // Name of the container within the VM.
  string container_name = 2;

  // The owner of the VM and container.
  string owner_id = 3;

  enum Status {
    // The container creation status is unknown.
    UNKNOWN = 0;

    // The container was successfully created.
    CREATED = 1;

    // The container download timed out.
    DOWNLOAD_TIMED_OUT = 2;

    // The container creation was cancelled.
    CANCELLED = 3;

    // The container creation failed for an unspecified reason.
    FAILED = 4;
  }

  // Container creation status.
  Status status = 4;

  // The failure_reason if the container was not successfully created.
  string failure_reason = 5;
}

// Message used in the signal for when a container is downloading.
message LxdContainerDownloadingSignal {
  // Name of the VM the container is in.
  string vm_name = 1;

  // Name of the container within the VM.
  string container_name = 2;

  // The owner of the VM and container.
  string owner_id = 3;

  // Container download progress, as a percentage.
  int32 download_progress = 4;
}

// Request for starting an LXD container.
message StartLxdContainerRequest {
  // Name of the VM to target.
  string vm_name = 1;

  // Name of the container to start within the VM.
  string container_name = 2;

  // The owner of the VM and container.
  string owner_id = 3;
}

// Response for starting an LXD container.
message StartLxdContainerResponse {
  enum Status {
    // The status of starting the container is unknown.
    UNKNOWN = 0;

    // The container has started.
    STARTED = 1;

    // The container was already running.
    RUNNING = 2;

    // The container could not be started.
    FAILED = 3;
  }

  // Container startup status.
  Status status = 1;

  // The failure_reason if the container could not be started.
  string failure_reason = 2;
}

// Request for getting the primary user for an LXD container.
message GetLxdContainerUsernameRequest {
  // Name of the VM to target.
  string vm_name = 1;

  // Name of the container to get the primary user for.
  string container_name = 2;

  // The owner of the VM and container.
  string owner_id = 3;
}

// Response for getting the primary user for an LXD container.
message GetLxdContainerUsernameResponse {
  enum Status {
    // The status is unknown.
    UNKNOWN = 0;

    // The primary username is stored in the username field.
    SUCCESS = 1;

    // A container with the specified name doesn't exist.
    CONTAINER_NOT_FOUND = 2;

    // The container is not running, so the username could not be found.
    CONTAINER_NOT_RUNNING = 3;

    // The primary user doesn't exist.
    USER_NOT_FOUND = 4;

    // Some part of the operation failed.
    FAILED = 5;
  }

  // Status of getting the primary username.
  Status status = 1;

  // The primary username of the container, if successful.
  string username = 2;

  // The failure_reason if the username could not be retrieved.
  string failure_reason = 3;
}
// Request for setting up the user for an LXD container.
message SetUpLxdContainerUserRequest {
  // Name of the VM to target.
  string vm_name = 1;

  // Name of the container to start within the VM.
  string container_name = 2;

  // The owner of the VM and container.
  string owner_id = 3;

  // Username for the first user in the container.
  string container_username = 4;
}

// Response for setting up the user on an LXD container.
message SetUpLxdContainerUserResponse {
  enum Status {
    // The status of setting up the user is unknown.
    UNKNOWN = 0;

    // The user has been set up sucessfully.
    SUCCESS = 1;

    // The user already exists.
    EXISTS = 2;

    // Setting up the user failed.
    FAILED = 3;
  }

  // Status of setting up the user.
  Status status = 1;

  // The failure_reason if the user was not set up successfully.
  string failure_reason = 2;
}