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Add show_full_output option to control output verbosity (#580)
* Add show_full_output option to control output verbosity * Update base-action/src/run-claude.ts Co-authored-by: Ashwin Bhat <ashwin@anthropic.com> * Wire show_full_output through to base-action * Document show_full_output security warnings in docs/security.md --------- Co-authored-by: Ashwin Bhat <ashwin@anthropic.com>
This commit is contained in:
David Dworken
@@ -85,29 +85,32 @@ Add the following to your workflow file:
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## Inputs
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| Input | Description | Required | Default |
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| ------------------------- | ------------------------------------------------------------------------------------------------- | -------- | ---------------------------- |
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| `prompt` | The prompt to send to Claude Code | No\* | '' |
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| `prompt_file` | Path to a file containing the prompt to send to Claude Code | No\* | '' |
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| `allowed_tools` | Comma-separated list of allowed tools for Claude Code to use | No | '' |
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| `disallowed_tools` | Comma-separated list of disallowed tools that Claude Code cannot use | No | '' |
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| `max_turns` | Maximum number of conversation turns (default: no limit) | No | '' |
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| `mcp_config` | Path to the MCP configuration JSON file, or MCP configuration JSON string | No | '' |
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| `settings` | Path to Claude Code settings JSON file, or settings JSON string | No | '' |
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| `system_prompt` | Override system prompt | No | '' |
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| `append_system_prompt` | Append to system prompt | No | '' |
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| `claude_env` | Custom environment variables to pass to Claude Code execution (YAML multiline format) | No | '' |
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| `model` | Model to use (provider-specific format required for Bedrock/Vertex) | No | 'claude-4-0-sonnet-20250219' |
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| `anthropic_model` | DEPRECATED: Use 'model' instead | No | 'claude-4-0-sonnet-20250219' |
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| `fallback_model` | Enable automatic fallback to specified model when default model is overloaded | No | '' |
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| `anthropic_api_key` | Anthropic API key (required for direct Anthropic API) | No | '' |
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| `claude_code_oauth_token` | Claude Code OAuth token (alternative to anthropic_api_key) | No | '' |
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| `use_bedrock` | Use Amazon Bedrock with OIDC authentication instead of direct Anthropic API | No | 'false' |
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| `use_vertex` | Use Google Vertex AI with OIDC authentication instead of direct Anthropic API | No | 'false' |
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| `use_node_cache` | Whether to use Node.js dependency caching (set to true only for Node.js projects with lock files) | No | 'false' |
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| Input | Description | Required | Default |
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| ------------------------- | ----------------------------------------------------------------------------------------------------------------------- | -------- | ---------------------------- |
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| `prompt` | The prompt to send to Claude Code | No\* | '' |
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| `prompt_file` | Path to a file containing the prompt to send to Claude Code | No\* | '' |
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| `allowed_tools` | Comma-separated list of allowed tools for Claude Code to use | No | '' |
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| `disallowed_tools` | Comma-separated list of disallowed tools that Claude Code cannot use | No | '' |
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| `max_turns` | Maximum number of conversation turns (default: no limit) | No | '' |
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| `mcp_config` | Path to the MCP configuration JSON file, or MCP configuration JSON string | No | '' |
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| `settings` | Path to Claude Code settings JSON file, or settings JSON string | No | '' |
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| `system_prompt` | Override system prompt | No | '' |
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| `append_system_prompt` | Append to system prompt | No | '' |
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| `claude_env` | Custom environment variables to pass to Claude Code execution (YAML multiline format) | No | '' |
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| `model` | Model to use (provider-specific format required for Bedrock/Vertex) | No | 'claude-4-0-sonnet-20250219' |
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| `anthropic_model` | DEPRECATED: Use 'model' instead | No | 'claude-4-0-sonnet-20250219' |
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| `fallback_model` | Enable automatic fallback to specified model when default model is overloaded | No | '' |
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| `anthropic_api_key` | Anthropic API key (required for direct Anthropic API) | No | '' |
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| `claude_code_oauth_token` | Claude Code OAuth token (alternative to anthropic_api_key) | No | '' |
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| `use_bedrock` | Use Amazon Bedrock with OIDC authentication instead of direct Anthropic API | No | 'false' |
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| `use_vertex` | Use Google Vertex AI with OIDC authentication instead of direct Anthropic API | No | 'false' |
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| `use_node_cache` | Whether to use Node.js dependency caching (set to true only for Node.js projects with lock files) | No | 'false' |
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| `show_full_output` | Show full JSON output (⚠️ May expose secrets - see [security docs](../docs/security.md#️-full-output-security-warning)) | No | 'false'\*\* |
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\*Either `prompt` or `prompt_file` must be provided, but not both.
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\*\*`show_full_output` is automatically enabled when GitHub Actions debug mode is active. See [security documentation](../docs/security.md#️-full-output-security-warning) for important security considerations.
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## Outputs
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| Output | Description |
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@@ -55,6 +55,10 @@ inputs:
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description: "Optional path to a custom Bun executable. If provided, skips automatic Bun installation and uses this executable instead. WARNING: Using an incompatible version may cause problems if the action requires specific Bun features. This input is typically not needed unless you're debugging something specific or have unique needs in your environment."
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required: false
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default: ""
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show_full_output:
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description: "Show full JSON output from Claude Code. WARNING: This outputs ALL Claude messages including tool execution results which may contain secrets, API keys, or other sensitive information. These logs are publicly visible in GitHub Actions. Only enable for debugging in non-sensitive environments."
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required: false
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default: "false"
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plugins:
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description: "Newline-separated list of Claude Code plugin names to install (e.g., 'code-review@claude-code-plugins\nfeature-dev@claude-code-plugins')"
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required: false
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@@ -134,6 +138,7 @@ runs:
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INPUT_CLAUDE_ARGS: ${{ inputs.claude_args }}
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INPUT_PATH_TO_CLAUDE_CODE_EXECUTABLE: ${{ inputs.path_to_claude_code_executable }}
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INPUT_PATH_TO_BUN_EXECUTABLE: ${{ inputs.path_to_bun_executable }}
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INPUT_SHOW_FULL_OUTPUT: ${{ inputs.show_full_output }}
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INPUT_PLUGINS: ${{ inputs.plugins }}
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INPUT_PLUGIN_MARKETPLACES: ${{ inputs.plugin_marketplaces }}
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@@ -41,6 +41,7 @@ async function run() {
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model: process.env.ANTHROPIC_MODEL,
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pathToClaudeCodeExecutable:
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process.env.INPUT_PATH_TO_CLAUDE_CODE_EXECUTABLE,
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showFullOutput: process.env.INPUT_SHOW_FULL_OUTPUT,
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});
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} catch (error) {
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core.setFailed(`Action failed with error: ${error}`);
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@@ -12,6 +12,59 @@ const PIPE_PATH = `${process.env.RUNNER_TEMP}/claude_prompt_pipe`;
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const EXECUTION_FILE = `${process.env.RUNNER_TEMP}/claude-execution-output.json`;
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const BASE_ARGS = ["--verbose", "--output-format", "stream-json"];
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/**
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* Sanitizes JSON output to remove sensitive information when full output is disabled
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* Returns a safe summary message or null if the message should be completely suppressed
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*/
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function sanitizeJsonOutput(
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jsonObj: any,
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showFullOutput: boolean,
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): string | null {
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if (showFullOutput) {
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// In full output mode, return the full JSON
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return JSON.stringify(jsonObj, null, 2);
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}
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// In non-full-output mode, provide minimal safe output
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const type = jsonObj.type;
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const subtype = jsonObj.subtype;
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// System initialization - safe to show
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if (type === "system" && subtype === "init") {
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return JSON.stringify(
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{
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type: "system",
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subtype: "init",
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message: "Claude Code initialized",
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model: jsonObj.model || "unknown",
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},
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null,
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2,
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);
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}
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// Result messages - Always show the final result
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if (type === "result") {
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// These messages contain the final result and should always be visible
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return JSON.stringify(
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{
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type: "result",
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subtype: jsonObj.subtype,
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is_error: jsonObj.is_error,
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duration_ms: jsonObj.duration_ms,
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num_turns: jsonObj.num_turns,
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total_cost_usd: jsonObj.total_cost_usd,
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permission_denials: jsonObj.permission_denials,
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},
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null,
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2,
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);
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}
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// For any other message types, suppress completely in non-full-output mode
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return null;
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}
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export type ClaudeOptions = {
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claudeArgs?: string;
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model?: string;
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@@ -24,6 +77,7 @@ export type ClaudeOptions = {
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appendSystemPrompt?: string;
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claudeEnv?: string;
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fallbackModel?: string;
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showFullOutput?: string;
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};
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type PreparedConfig = {
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@@ -138,12 +192,27 @@ export async function runClaude(promptPath: string, options: ClaudeOptions) {
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pipeStream.destroy();
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});
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// Determine if full output should be shown
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// Show full output if explicitly set to "true" OR if GitHub Actions debug mode is enabled
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const isDebugMode = process.env.ACTIONS_STEP_DEBUG === "true";
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let showFullOutput = options.showFullOutput === "true" || isDebugMode;
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if (isDebugMode && options.showFullOutput !== "false") {
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console.log("Debug mode detected - showing full output");
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showFullOutput = true;
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} else if (!showFullOutput) {
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console.log("Running Claude Code (full output hidden for security)...");
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console.log(
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"Rerun in debug mode or enable `show_full_output: true` in your workflow file for full output.",
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);
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}
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// Capture output for parsing execution metrics
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let output = "";
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claudeProcess.stdout.on("data", (data) => {
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const text = data.toString();
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// Try to parse as JSON and pretty print if it's on a single line
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// Try to parse as JSON and handle based on verbose setting
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const lines = text.split("\n");
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lines.forEach((line: string, index: number) => {
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if (line.trim() === "") return;
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@@ -151,17 +220,24 @@ export async function runClaude(promptPath: string, options: ClaudeOptions) {
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try {
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// Check if this line is a JSON object
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const parsed = JSON.parse(line);
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const prettyJson = JSON.stringify(parsed, null, 2);
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process.stdout.write(prettyJson);
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if (index < lines.length - 1 || text.endsWith("\n")) {
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process.stdout.write("\n");
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const sanitizedOutput = sanitizeJsonOutput(parsed, showFullOutput);
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if (sanitizedOutput) {
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process.stdout.write(sanitizedOutput);
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if (index < lines.length - 1 || text.endsWith("\n")) {
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process.stdout.write("\n");
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}
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}
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} catch (e) {
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// Not a JSON object, print as is
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process.stdout.write(line);
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if (index < lines.length - 1 || text.endsWith("\n")) {
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process.stdout.write("\n");
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// Not a JSON object
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if (showFullOutput) {
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// In full output mode, print as is
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process.stdout.write(line);
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if (index < lines.length - 1 || text.endsWith("\n")) {
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process.stdout.write("\n");
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}
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}
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// In non-full-output mode, suppress non-JSON output
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}
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});
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