diff --git a/all_test.go b/all_test.go index 88cc51ba5..6b9802ee8 100644 --- a/all_test.go +++ b/all_test.go @@ -37,6 +37,8 @@ var noHeaderRequiredFiles = []string{ ".gitignore", "Dockerfile", "LICENSE", + "languagecontainer/go.mod", + "languagecontainer/go.sum", "coverage.out", "go.mod", "go.sum", diff --git a/languagecontainer/bazel/parser.go b/languagecontainer/bazel/parser.go new file mode 100644 index 000000000..a14c8b023 --- /dev/null +++ b/languagecontainer/bazel/parser.go @@ -0,0 +1,19 @@ +// Copyright 2025 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package bazel provides functions to parse Bazel-related files. +package bazel + +// TODO: Implement this package. Reference https://github.com/googleapis/google-cloud-go/tree/main/internal/librariangen/bazel +// and Mike's porting for Java. diff --git a/languagecontainer/cmd/cmd.go b/languagecontainer/cmd/cmd.go new file mode 100644 index 000000000..d004d1ba2 --- /dev/null +++ b/languagecontainer/cmd/cmd.go @@ -0,0 +1,84 @@ +// Copyright 2025 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package cmd provides the main function LanguageContainerMain that +// handles command line argument parsing and invocation of the corresponding methods. +package cmd + +import ( + "context" +) + +// GenerateFlags is the flags in Librarian's container contract for the +// generate command. Each value represents the path of the context, such as +// "/librarian", in which the CLI and the language container exchange +// generate-request.json and generate-response.json. +// https://github.com/googleapis/librarian/blob/main/doc/language-onboarding.md#generate +type GenerateFlags struct { + Librarian string + Input string + Output string + Source string +} + +// ConfigureFlags holds flags for the `configure` command. +// https://github.com/googleapis/librarian/blob/main/doc/language-onboarding.md#configure +type ConfigureFlags struct { + Librarian string + Input string + Repo string + Source string + Output string +} + +// ReleaseInitFlags holds flags for the `release-init` command. +// https://github.com/googleapis/librarian/blob/main/doc/language-onboarding.md#release-init +type ReleaseInitFlags struct { + Librarian string + Repo string + Output string +} + +// LanguageContainerFunctions lists the functions a language container +// defines to accept requests from Librarian CLI. +type LanguageContainerFunctions struct { + Generate func(ctx context.Context, flags *GenerateFlags) + Configure func(ctx context.Context, flags *ConfigureFlags) + ReleaseInit func(ctx context.Context, flags *ReleaseInitFlags) +} + +// Entry point for a language container. This parses the arguments and +// calls the corresponding function in the functions struct. +// +// A language container defines the following main function: +// +// ``` +// +// func main() { +// cmd.LanguageContainerMain(os.Args, cmd.LanguageContainerFunctions{ ... }) +// } +// +// ``` +func LanguageContainerMain(args []string, functions LanguageContainerFunctions) { + // TODO: Parse the arguments correctly. + if len(args) > 0 && args[0] == "generate" && functions.Generate != nil { + generateFlags := GenerateFlags{ + Librarian: "/librarian", + Input: "/input", + Output: "/output", + Source: "/source", + } + functions.Generate(context.Background(), &generateFlags) + } +} diff --git a/languagecontainer/cmd/cmd_test.go b/languagecontainer/cmd/cmd_test.go new file mode 100644 index 000000000..6b868e4f1 --- /dev/null +++ b/languagecontainer/cmd/cmd_test.go @@ -0,0 +1,50 @@ +// Copyright 2025 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package cmd + +import ( + "context" + "testing" +) + +func TestLanguageContainerMain_ParseArguments(t *testing.T) { + var calledFunction string + for _, test := range []struct { + name string + arguments []string + functions LanguageContainerFunctions + }{ + { + name: "parse generate command", + arguments: []string{ + "generate", + }, + functions: LanguageContainerFunctions{ + Generate: func(ctx context.Context, flags *GenerateFlags) { + calledFunction = "generate" + }, + }, + }, + } { + t.Run(test.name, func(t *testing.T) { + calledFunction = "None" + LanguageContainerMain(test.arguments, test.functions) + if calledFunction != test.arguments[0] { + t.Errorf("LanguageContainerMain didn't call the correct function. Expected %s, got %s", + test.arguments[0], calledFunction) + } + }) + } +} diff --git a/languagecontainer/execv/execv.go b/languagecontainer/execv/execv.go new file mode 100644 index 000000000..3a0289099 --- /dev/null +++ b/languagecontainer/execv/execv.go @@ -0,0 +1,51 @@ +// Copyright 2025 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package execv + +import ( + "context" + "errors" + "fmt" + "log/slog" + "os" + "os/exec" + "strings" +) + +// Run executes a command in a specified working directory and logs its output. +func Run(ctx context.Context, args []string, workingDir string) error { + cmd := exec.CommandContext(ctx, args[0], args[1:]...) + cmd.Env = os.Environ() + cmd.Dir = workingDir + slog.Debug("librariangen: running command", "command", strings.Join(cmd.Args, " "), "dir", cmd.Dir) + + output, err := cmd.Output() + if len(output) > 0 { + slog.Debug("librariangen: command stdout", "output", string(output)) + } + if err != nil { + var exitErr *exec.ExitError + if errors.As(err, &exitErr) { + // The command ran and exited with a non-zero exit code. + if len(exitErr.Stderr) > 0 { + slog.Debug("librariangen: command stderr", "output", string(exitErr.Stderr)) + } + return fmt.Errorf("librariangen: command failed with exit error: %s: %w", exitErr.Stderr, err) + } + // Another error occurred (e.g., command not found). + return fmt.Errorf("librariangen: command failed: %w", err) + } + return nil +} diff --git a/languagecontainer/execv/execv_test.go b/languagecontainer/execv/execv_test.go new file mode 100644 index 000000000..771213db4 --- /dev/null +++ b/languagecontainer/execv/execv_test.go @@ -0,0 +1,79 @@ +// Copyright 2025 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package execv + +import ( + "context" + "errors" + "os/exec" + "strings" + "testing" +) + +func TestRun(t *testing.T) { + tests := []struct { + name string + args []string + wantErr bool + wantExit int + wantInStderr string + }{ + { + name: "valid command", + args: []string{"echo", "hello"}, + wantErr: false, + }, + { + name: "invalid command", + args: []string{"command-that-does-not-exist"}, + wantErr: true, + }, + { + name: "command with non-zero exit", + args: []string{"sh", "-c", "exit 1"}, + wantErr: true, + wantExit: 1, + }, + { + name: "command with stderr output", + args: []string{"sh", "-c", "echo 'test error' >&2; exit 1"}, + wantErr: true, + wantExit: 1, + wantInStderr: "test error", + }, + } + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + err := Run(context.Background(), tt.args, ".") + if (err != nil) != tt.wantErr { + t.Fatalf("Run() error = %v, wantErr %v", err, tt.wantErr) + } + + if !tt.wantErr { + return + } + + var exitErr *exec.ExitError + if errors.As(err, &exitErr) { + if tt.wantExit != 0 && exitErr.ExitCode() != tt.wantExit { + t.Errorf("Run() exit code = %d, want %d", exitErr.ExitCode(), tt.wantExit) + } + if tt.wantInStderr != "" && !strings.Contains(string(exitErr.Stderr), tt.wantInStderr) { + t.Errorf("Run() stderr = %q, want contains %q", string(exitErr.Stderr), tt.wantInStderr) + } + } + }) + } +} diff --git a/languagecontainer/go.mod b/languagecontainer/go.mod new file mode 100644 index 000000000..26dc03b50 --- /dev/null +++ b/languagecontainer/go.mod @@ -0,0 +1,33 @@ +// Module languagecontainer provides packages to be shared +// with language container implementations. +module github.com/googleapis/librarian/languagecontainer + +go 1.25.0 + +require github.com/googleapis/librarian v0.0.0 + +replace github.com/googleapis/librarian => ../ + +require ( + dario.cat/mergo v1.0.2 // indirect + github.com/Microsoft/go-winio v0.6.2 // indirect + github.com/ProtonMail/go-crypto v1.3.0 // indirect + github.com/cloudflare/circl v1.6.1 // indirect + github.com/cyphar/filepath-securejoin v0.4.1 // indirect + github.com/emirpasic/gods v1.18.1 // indirect + github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect + github.com/go-git/go-billy/v5 v5.6.2 // indirect + github.com/go-git/go-git/v5 v5.16.2 // indirect + github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 // indirect + github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect + github.com/kevinburke/ssh_config v1.4.0 // indirect + github.com/klauspost/cpuid/v2 v2.3.0 // indirect + github.com/pjbgf/sha1cd v0.5.0 // indirect + github.com/sergi/go-diff v1.4.0 // indirect + github.com/skeema/knownhosts v1.3.1 // indirect + github.com/xanzy/ssh-agent v0.3.3 // indirect + golang.org/x/crypto v0.42.0 // indirect + golang.org/x/net v0.44.0 // indirect + golang.org/x/sys v0.36.0 // indirect + gopkg.in/warnings.v0 v0.1.2 // indirect +) diff --git a/languagecontainer/go.sum b/languagecontainer/go.sum new file mode 100644 index 000000000..9584c4c63 --- /dev/null +++ b/languagecontainer/go.sum @@ -0,0 +1,106 @@ +dario.cat/mergo v1.0.2 h1:85+piFYR1tMbRrLcDwR18y4UKJ3aH1Tbzi24VRW1TK8= +dario.cat/mergo v1.0.2/go.mod h1:E/hbnu0NxMFBjpMIE34DRGLWqDy0g5FuKDhCb31ngxA= +github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY= +github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY= +github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU= +github.com/ProtonMail/go-crypto v1.3.0 h1:ILq8+Sf5If5DCpHQp4PbZdS1J7HDFRXz/+xKBiRGFrw= +github.com/ProtonMail/go-crypto v1.3.0/go.mod h1:9whxjD8Rbs29b4XWbB8irEcE8KHMqaR2e7GWU1R+/PE= +github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be h1:9AeTilPcZAjCFIImctFaOjnTIavg87rW78vTPkQqLI8= +github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be/go.mod h1:ySMOLuWl6zY27l47sB3qLNK6tF2fkHG55UZxx8oIVo4= +github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPdPJAN/hZIm0C4OItdklCFmMRWYpio= +github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs= +github.com/cloudflare/circl v1.6.1 h1:zqIqSPIndyBh1bjLVVDHMPpVKqp8Su/V+6MeDzzQBQ0= +github.com/cloudflare/circl v1.6.1/go.mod h1:uddAzsPgqdMAYatqJ0lsjX1oECcQLIlRpzZh3pJrofs= +github.com/cyphar/filepath-securejoin v0.4.1 h1:JyxxyPEaktOD+GAnqIqTf9A8tHyAG22rowi7HkoSU1s= +github.com/cyphar/filepath-securejoin v0.4.1/go.mod h1:Sdj7gXlvMcPZsbhwhQ33GguGLDGQL7h7bg04C/+u9jI= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM= +github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/elazarl/goproxy v1.7.2 h1:Y2o6urb7Eule09PjlhQRGNsqRfPmYI3KKQLFpCAV3+o= +github.com/elazarl/goproxy v1.7.2/go.mod h1:82vkLNir0ALaW14Rc399OTTjyNREgmdL2cVoIbS6XaE= +github.com/emirpasic/gods v1.18.1 h1:FXtiHYKDGKCW2KzwZKx0iC0PQmdlorYgdFG9jPXJ1Bc= +github.com/emirpasic/gods v1.18.1/go.mod h1:8tpGGwCnJ5H4r6BWwaV6OrWmMoPhUl5jm/FMNAnJvWQ= +github.com/gliderlabs/ssh v0.3.8 h1:a4YXD1V7xMF9g5nTkdfnja3Sxy1PVDCj1Zg4Wb8vY6c= +github.com/gliderlabs/ssh v0.3.8/go.mod h1:xYoytBv1sV0aL3CavoDuJIQNURXkkfPA/wxQ1pL1fAU= +github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 h1:+zs/tPmkDkHx3U66DAb0lQFJrpS6731Oaa12ikc+DiI= +github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376/go.mod h1:an3vInlBmSxCcxctByoQdvwPiA7DTK7jaaFDBTtu0ic= +github.com/go-git/go-billy/v5 v5.6.2 h1:6Q86EsPXMa7c3YZ3aLAQsMA0VlWmy43r6FHqa/UNbRM= +github.com/go-git/go-billy/v5 v5.6.2/go.mod h1:rcFC2rAsp/erv7CMz9GczHcuD0D32fWzH+MJAU+jaUU= +github.com/go-git/go-git-fixtures/v4 v4.3.2-0.20231010084843-55a94097c399 h1:eMje31YglSBqCdIqdhKBW8lokaMrL3uTkpGYlE2OOT4= +github.com/go-git/go-git-fixtures/v4 v4.3.2-0.20231010084843-55a94097c399/go.mod h1:1OCfN199q1Jm3HZlxleg+Dw/mwps2Wbk9frAWm+4FII= +github.com/go-git/go-git/v5 v5.16.2 h1:fT6ZIOjE5iEnkzKyxTHK1W4HGAsPhqEqiSAssSO77hM= +github.com/go-git/go-git/v5 v5.16.2/go.mod h1:4Ge4alE/5gPs30F2H1esi2gPd69R0C39lolkucHBOp8= +github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 h1:f+oWsMOmNPc8JmEHVZIycC7hBoQxHH9pNKQORJNozsQ= +github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8/go.mod h1:wcDNUvekVysuuOpQKo3191zZyTpiI6se1N1ULghS0sw= +github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8= +github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU= +github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 h1:BQSFePA1RWJOlocH6Fxy8MmwDt+yVQYULKfN0RoTN8A= +github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99/go.mod h1:1lJo3i6rXxKeerYnT8Nvf0QmHCRC1n8sfWVwXF2Frvo= +github.com/kevinburke/ssh_config v1.4.0 h1:6xxtP5bZ2E4NF5tuQulISpTO2z8XbtH8cg1PWkxoFkQ= +github.com/kevinburke/ssh_config v1.4.0/go.mod h1:q2RIzfka+BXARoNexmF9gkxEX7DmvbW9P4hIVx2Kg4M= +github.com/klauspost/cpuid/v2 v2.3.0 h1:S4CRMLnYUhGeDFDqkGriYKdfoFlDnMtqTiI/sFzhA9Y= +github.com/klauspost/cpuid/v2 v2.3.0/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0= +github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= +github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE= +github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk= +github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= +github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= +github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= +github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE= +github.com/onsi/gomega v1.34.1 h1:EUMJIKUjM8sKjYbtxQI9A4z2o+rruxnzNvpknOXie6k= +github.com/onsi/gomega v1.34.1/go.mod h1:kU1QgUvBDLXBJq618Xvm2LUX6rSAfRaFRTcdOeDLwwY= +github.com/pjbgf/sha1cd v0.5.0 h1:a+UkboSi1znleCDUNT3M5YxjOnN1fz2FhN48FlwCxs0= +github.com/pjbgf/sha1cd v0.5.0/go.mod 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mode 100644 index 000000000..7261a34a7 --- /dev/null +++ b/languagecontainer/message/message.go @@ -0,0 +1,29 @@ +// Copyright 2025 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package message declares the definition of the messages which Librarian +// CLI and the language containers read and write. +package message + +import ( + "github.com/googleapis/librarian/internal/config" +) + +// The Librarian State file of a repository +type LibrarianState = config.LibrarianState + +// A library state. The Librarian CLI and language containers +// excvhange messages of this type through JSON files, such as +// generate-request.json and generate-response.json. +type LibraryState = config.LibraryState diff --git a/languagecontainer/protoc/protoc.go b/languagecontainer/protoc/protoc.go new file mode 100644 index 000000000..26c8284e9 --- /dev/null +++ b/languagecontainer/protoc/protoc.go @@ -0,0 +1,19 @@ +// Copyright 2025 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package protoc provides functions to run Protobuf compiler (protoc command) +package protoc + +// TODO: Implement this package. Reference https://github.com/googleapis/google-cloud-go/tree/main/internal/librariangen/protoc +// and Mike's porting for Java.