docs(tvix/build): document requirements for paths and sorting

Change-Id: I466fac025b9b5b2279a6188fa35cb1f7d8ab7bc5
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10536
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Tested-by: BuildkiteCI
This commit is contained in:
Florian Klink 2024-01-05 15:32:13 +02:00 committed by clbot
parent 8e794478bf
commit 70e40f5ce8
2 changed files with 28 additions and 4 deletions

View file

@ -68,7 +68,7 @@ type BuildRequest struct {
// time of the build.
// As root nodes are content-addressed, no additional signatures are needed
// to substitute / make these available in the build environment.
// Inputs are sorted by their names.
// Inputs MUST be sorted by their names.
Inputs []*castore_go.Node `protobuf:"bytes,1,rep,name=inputs,proto3" json:"inputs,omitempty"`
// The command (and its args) executed as the build script.
// In the case of a Nix derivation, this is usually
@ -76,19 +76,26 @@ type BuildRequest struct {
CommandArgs []string `protobuf:"bytes,2,rep,name=command_args,json=commandArgs,proto3" json:"command_args,omitempty"`
// The working dir of the command, relative to the build root.
// "build", in the case of Nix.
// This MUST be a clean relative path, without any ".", "..", or superfluous
// slashes.
WorkingDir string `protobuf:"bytes,3,opt,name=working_dir,json=workingDir,proto3" json:"working_dir,omitempty"`
// A list of "scratch" paths, relative to the build root.
// These will be write-able during the build.
// [build, nix/store] in the case of Nix.
// These MUST be clean relative paths, without any ".", "..", or superfluous
// slashes, and sorted.
ScratchPaths []string `protobuf:"bytes,4,rep,name=scratch_paths,json=scratchPaths,proto3" json:"scratch_paths,omitempty"`
// The path where the castore input nodes will be located at,
// "/nix/store" in case of Nix.
// Builds might also write into here (Nix builds do that).
// This MUST be a clean relative path, without any ".", "..", or superfluous
// slashes.
InputsDir string `protobuf:"bytes,5,opt,name=inputs_dir,json=inputsDir,proto3" json:"inputs_dir,omitempty"`
// The list of output paths the build is expected to produce,
// relative to the root.
// If the path is not produced, the build is considered to have failed.
// Outputs are sorted.
// These MUST be clean relative paths, without any ".", "..", or superfluous
// slashes, and sorted.
Outputs []string `protobuf:"bytes,6,rep,name=outputs,proto3" json:"outputs,omitempty"`
// The list of environment variables and their values that should be set
// inside the build environment.
@ -269,6 +276,7 @@ type BuildRequest_EnvVar struct {
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// name of the environment variable. Must not contain =.
Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
Value []byte `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
}
@ -330,12 +338,16 @@ type BuildRequest_BuildConstraints struct {
unknownFields protoimpl.UnknownFields
// The system that's needed to execute the build.
// Must not be empty.
System string `protobuf:"bytes,1,opt,name=system,proto3" json:"system,omitempty"`
// The amount of memory required to be available for the build, in bytes.
MinMemory uint64 `protobuf:"varint,2,opt,name=min_memory,json=minMemory,proto3" json:"min_memory,omitempty"`
// A list of (absolute) paths that need to be available in the build
// environment, like `/dev/kvm`.
// This is distinct from the castore nodes in inputs.
// TODO: check if these should be individual constraints instead.
// These MUST be clean absolute paths, without any ".", "..", or superfluous
// slashes, and sorted.
AvailableRoPaths []string `protobuf:"bytes,3,rep,name=available_ro_paths,json=availableRoPaths,proto3" json:"available_ro_paths,omitempty"`
// Whether the build should be able to access the network,
NetworkAccess bool `protobuf:"varint,4,opt,name=network_access,json=networkAccess,proto3" json:"network_access,omitempty"`

View file

@ -49,7 +49,7 @@ message BuildRequest {
// time of the build.
// As root nodes are content-addressed, no additional signatures are needed
// to substitute / make these available in the build environment.
// Inputs are sorted by their names.
// Inputs MUST be sorted by their names.
repeated tvix.castore.v1.Node inputs = 1;
// The command (and its args) executed as the build script.
@ -59,22 +59,29 @@ message BuildRequest {
// The working dir of the command, relative to the build root.
// "build", in the case of Nix.
// This MUST be a clean relative path, without any ".", "..", or superfluous
// slashes.
string working_dir = 3;
// A list of "scratch" paths, relative to the build root.
// These will be write-able during the build.
// [build, nix/store] in the case of Nix.
// These MUST be clean relative paths, without any ".", "..", or superfluous
// slashes, and sorted.
repeated string scratch_paths = 4;
// The path where the castore input nodes will be located at,
// "/nix/store" in case of Nix.
// Builds might also write into here (Nix builds do that).
// This MUST be a clean relative path, without any ".", "..", or superfluous
// slashes.
string inputs_dir = 5;
// The list of output paths the build is expected to produce,
// relative to the root.
// If the path is not produced, the build is considered to have failed.
// Outputs are sorted.
// These MUST be clean relative paths, without any ".", "..", or superfluous
// slashes, and sorted.
repeated string outputs = 6;
// The list of environment variables and their values that should be set
@ -90,6 +97,7 @@ message BuildRequest {
repeated EnvVar environment_vars = 7;
message EnvVar {
// name of the environment variable. Must not contain =.
string key = 1;
bytes value = 2;
}
@ -105,6 +113,7 @@ message BuildRequest {
// wouldn't be hermetic enough - see the comment around inputs too.
message BuildConstraints {
// The system that's needed to execute the build.
// Must not be empty.
string system = 1;
// The amount of memory required to be available for the build, in bytes.
@ -113,6 +122,9 @@ message BuildRequest {
// A list of (absolute) paths that need to be available in the build
// environment, like `/dev/kvm`.
// This is distinct from the castore nodes in inputs.
// TODO: check if these should be individual constraints instead.
// These MUST be clean absolute paths, without any ".", "..", or superfluous
// slashes, and sorted.
repeated string available_ro_paths = 3;
// Whether the build should be able to access the network,