openai/codex-action
Publicmirrored from https://github.com/openai/codex-actionAvailable
src/runCodexExec.ts
184lines · modecode
| 1 | import { spawn } from "child_process"; |
| 2 | import { mkdtemp, readFile, rm } from "fs/promises"; |
| 3 | import path from "path"; |
| 4 | import { setOutput } from "@actions/core"; |
| 5 | |
| 6 | export type PromptSource = |
| 7 | | { |
| 8 | type: "text"; |
| 9 | content: string; |
| 10 | } |
| 11 | | { |
| 12 | type: "file"; |
| 13 | path: string; |
| 14 | }; |
| 15 | |
| 16 | export type SafetyStrategy = |
| 17 | | "drop_sudo" |
| 18 | | "read_only" |
| 19 | | "unprivileged_user" |
| 20 | | "unsafe"; |
| 21 | |
| 22 | export async function runCodexExec({ |
| 23 | prompt, |
| 24 | codexHome, |
| 25 | cd, |
| 26 | proxyPort, |
| 27 | extraArgs, |
| 28 | explicitOutputFile, |
| 29 | outputSchemaFile, |
| 30 | model, |
| 31 | safetyStrategy, |
| 32 | codexUser, |
| 33 | }: { |
| 34 | prompt: PromptSource; |
| 35 | codexHome: string | null; |
| 36 | cd: string; |
| 37 | proxyPort: number; |
| 38 | extraArgs: Array<string>; |
| 39 | explicitOutputFile: string | null; |
| 40 | outputSchemaFile: string | null; |
| 41 | model: string | null; |
| 42 | safetyStrategy: SafetyStrategy; |
| 43 | codexUser: string | null; |
| 44 | }): Promise<void> { |
| 45 | let input: string; |
| 46 | switch (prompt.type) { |
| 47 | case "text": |
| 48 | input = prompt.content; |
| 49 | break; |
| 50 | case "file": |
| 51 | input = await readFile(prompt.path, "utf8"); |
| 52 | break; |
| 53 | } |
| 54 | |
| 55 | let outputFile: OutputFile; |
| 56 | if (explicitOutputFile != null) { |
| 57 | outputFile = { type: "explicit", file: explicitOutputFile }; |
| 58 | } else { |
| 59 | outputFile = await createTempOutputFile(); |
| 60 | } |
| 61 | |
| 62 | const command: Array<string> = []; |
| 63 | |
| 64 | if (safetyStrategy === "unprivileged_user") { |
| 65 | if (codexUser == null) { |
| 66 | throw new Error( |
| 67 | "codexUser must be specified when using the 'unprivileged_user' safety strategy." |
| 68 | ); |
| 69 | } |
| 70 | |
| 71 | command.push("sudo", "-u", codexUser, "--"); |
| 72 | } |
| 73 | |
| 74 | const providerBaseUrl = `http://127.0.0.1:${proxyPort}/v1`; |
| 75 | const providerId = "openai-proxy"; |
| 76 | const providerConfig = `model_providers.${providerId}={ name = "OpenAI Proxy", base_url = "${providerBaseUrl}", wire_api = "responses" }`; |
| 77 | |
| 78 | command.push( |
| 79 | "codex", |
| 80 | "exec", |
| 81 | "--skip-git-repo-check", |
| 82 | "--cd", |
| 83 | cd, |
| 84 | "--config", |
| 85 | providerConfig, |
| 86 | "--config", |
| 87 | `model_provider="${providerId}"`, |
| 88 | "--output-last-message", |
| 89 | outputFile.file |
| 90 | ); |
| 91 | |
| 92 | if (outputSchemaFile != null) { |
| 93 | command.push("--output-schema", outputSchemaFile); |
| 94 | } |
| 95 | |
| 96 | if (model != null) { |
| 97 | command.push("--model", model); |
| 98 | } |
| 99 | |
| 100 | command.push(...extraArgs); |
| 101 | |
| 102 | // Note that if profiles expand to support their own sandbox policies, a |
| 103 | // custom profile could override this setting. |
| 104 | if (safetyStrategy === "read_only") { |
| 105 | command.push("--config", 'sandbox_mode="read-only"'); |
| 106 | } |
| 107 | |
| 108 | const env = { ...process.env }; |
| 109 | let extraEnv = ""; |
| 110 | if (codexHome != null) { |
| 111 | env.CODEX_HOME = codexHome; |
| 112 | extraEnv = `CODEX_HOME=${codexHome} `; |
| 113 | } |
| 114 | |
| 115 | // Split the `program` from the `args` for `spawn()`. |
| 116 | const program = command.shift()!; |
| 117 | console.log( |
| 118 | `Running: ${extraEnv}${program} ${command |
| 119 | .map((a) => JSON.stringify(a)) |
| 120 | .join(" ")}` |
| 121 | ); |
| 122 | return new Promise((resolve, reject) => { |
| 123 | const child = spawn(program, command, { |
| 124 | env, |
| 125 | stdio: ["pipe", "inherit", "inherit"], |
| 126 | }); |
| 127 | child.stdin.write(input); |
| 128 | child.stdin.end(); |
| 129 | |
| 130 | child.on("error", reject); |
| 131 | |
| 132 | child.on("close", async (code) => { |
| 133 | if (code !== 0) { |
| 134 | reject(new Error(`${program} exited with code ${code}`)); |
| 135 | return; |
| 136 | } |
| 137 | |
| 138 | try { |
| 139 | await finalizeExecution(outputFile); |
| 140 | resolve(); |
| 141 | } catch (err) { |
| 142 | reject(err); |
| 143 | } |
| 144 | }); |
| 145 | }); |
| 146 | } |
| 147 | |
| 148 | async function finalizeExecution(outputFile: OutputFile): Promise<void> { |
| 149 | try { |
| 150 | const lastMessage = await readFile(outputFile.file, "utf8"); |
| 151 | setOutput("final_message", lastMessage); |
| 152 | } finally { |
| 153 | await cleanupTempOutput(outputFile); |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | type OutputFile = |
| 158 | | { |
| 159 | type: "explicit"; |
| 160 | file: string; |
| 161 | } |
| 162 | | { |
| 163 | type: "temp"; |
| 164 | file: string; |
| 165 | }; |
| 166 | |
| 167 | async function createTempOutputFile(): Promise<OutputFile> { |
| 168 | const dir = await mkdtemp("codex-exec-"); |
| 169 | return { type: "temp", file: path.join(dir, "output.md") }; |
| 170 | } |
| 171 | |
| 172 | async function cleanupTempOutput(outputFile: OutputFile): Promise<void> { |
| 173 | switch (outputFile.type) { |
| 174 | case "explicit": |
| 175 | // Do not delete user-specified output files. |
| 176 | return; |
| 177 | case "temp": { |
| 178 | const { file } = outputFile; |
| 179 | const dir = path.dirname(file); |
| 180 | await rm(dir, { recursive: true, force: true }); |
| 181 | break; |
| 182 | } |
| 183 | } |
| 184 | } |
| 185 | |