syntax = "proto3";

package os;

option go_package = "github.com/talos-systems/talos/api/os";
option java_multiple_files = true;
option java_outer_classname = "OsApi";
option java_package = "com.os.api";

import "google/protobuf/empty.proto";
import "common/common.proto";

// The OS service definition.
//
// OS Service also implements all the API of Init Service
service OS {
  rpc Containers(ContainersRequest) returns (ContainersReply);
  rpc Dmesg(google.protobuf.Empty) returns (common.DataReply);
  rpc Memory(google.protobuf.Empty) returns (MemInfoReply);
  rpc Processes(google.protobuf.Empty) returns (ProcessesReply);
  rpc Restart(RestartRequest) returns (RestartReply);
  rpc Stats(StatsRequest) returns (StatsReply);
}

// rpc Containers


message ContainersRequest {
  string namespace = 1;
  // driver might be default "containerd" or "cri"
  common.ContainerDriver driver = 2;
}

// The response message containing the requested containers.
message Container {
  string namespace = 1;
  string id = 2;
  string image = 3;
  uint32 pid = 4;
  string status = 5;
  string pod_id = 6;
  string name = 7;
}

// The response message containing the requested containers.
message ContainerResponse {
  common.ResponseMetadata metadata = 1;
  repeated Container containers = 2;
}

message ContainersReply {
  repeated ContainerResponse response = 1;
}

// rpc processes
message ProcessesRequest {}

message ProcessesReply {
  repeated ProcessResponse response = 1;
}

message ProcessResponse {
  common.ResponseMetadata metadata = 1;
  repeated Process processes = 2;
}

message Process {
  int32 pid = 1;
  int32 ppid = 2;
  string state = 3;
  int32 threads = 4;
  double cpu_time = 5;
  uint64 virtual_memory = 6;
  uint64 resident_memory = 7;
  string command = 8;
  string executable = 9;
  string args = 10;
}

// rpc restart
// The request message containing the process to restart.
message RestartRequest {
  string namespace = 1;
  string id = 2;
  // driver might be default "containerd" or "cri"
  common.ContainerDriver driver = 3;
}

message RestartResponse {
  common.ResponseMetadata metadata = 1;
}

// The response message containing the restart status.
message RestartReply {
  repeated RestartResponse response = 1;
}

// rpc stats

// The request message containing the containerd namespace.
message StatsRequest {
  string namespace = 1;
  // driver might be default "containerd" or "cri"
  common.ContainerDriver driver = 2;
}

// The response message containing the requested stats.
message StatsResponse {
  common.ResponseMetadata metadata = 1;
  repeated Stat stats = 2;
}

message StatsReply {
  repeated StatsResponse response = 1;
}

// The response message containing the requested stat.
message Stat {
  string namespace = 1;
  string id = 2;
  uint64 memory_usage = 4;
  uint64 cpu_usage = 5;
  string pod_id = 6;
  string name = 7;
}


message MemInfoResponse {
  common.ResponseMetadata metadata = 1;
  MemInfo meminfo = 2;
}

message MemInfoReply {
  repeated MemInfoResponse response = 1;
}

message MemInfo {
   uint64 memtotal = 1;
   uint64 memfree = 2;
   uint64 memavailable = 3;
   uint64 buffers = 4;
   uint64 cached = 5;
   uint64 swapcached = 6;
   uint64 active = 7;
   uint64 inactive = 8;
   uint64 activeanon = 9;
   uint64 inactiveanon = 10;
   uint64 activefile = 11;
   uint64 inactivefile = 12;
   uint64 unevictable = 13;
   uint64 mlocked = 14;
   uint64 swaptotal = 15;
   uint64 swapfree = 16;
   uint64 dirty = 17;
   uint64 writeback = 18;
   uint64 anonpages = 19;
   uint64 mapped = 20;
   uint64 shmem = 21;
   uint64 slab = 22;
   uint64 sreclaimable = 23;
   uint64 sunreclaim = 24;
   uint64 kernelstack = 25;
   uint64 pagetables = 26;
   uint64 nfsunstable = 27;
   uint64 bounce = 28;
   uint64 writebacktmp = 29;
   uint64 commitlimit = 30;
   uint64 committedas = 31;
   uint64 vmalloctotal = 32;
   uint64 vmallocused = 33;
   uint64 vmallocchunk = 34;
   uint64 hardwarecorrupted = 35;
   uint64 anonhugepages = 36;
   uint64 shmemhugepages = 37;
   uint64 shmempmdmapped = 38;
   uint64 cmatotal = 39;
   uint64 cmafree = 40;
   uint64 hugepagestotal = 41;
   uint64 hugepagesfree = 42;
   uint64 hugepagesrsvd = 43;
   uint64 hugepagessurp = 44;
   uint64 hugepagesize = 45;
   uint64 directmap4k = 46;
   uint64 directmap2m = 47;
   uint64 directmap1g = 48;
}