diff --git a/skills/.experimental/azure-log-observer/LICENSE.txt b/skills/.experimental/azure-log-observer/LICENSE.txt new file mode 100644 index 0000000..6b0b127 --- /dev/null +++ b/skills/.experimental/azure-log-observer/LICENSE.txt @@ -0,0 +1,203 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. Unless You explicitly state otherwise, + any Contribution intentionally submitted for inclusion in the Work + by You to the Licensor shall be under the terms and conditions of + this License, without any additional terms or conditions. + Notwithstanding the above, nothing herein shall supersede or modify + the terms of any separate license agreement you may have executed + with Licensor regarding such Contributions. + + 6. Trademarks. This License does not grant permission to use the trade + names, trademarks, service marks, or product names of the Licensor, + except as required for reasonable and customary use in describing the + origin of the Work and reproducing the content of the NOTICE file. + + 7. Disclaimer of Warranty. Unless required by applicable law or + agreed to in writing, Licensor provides the Work (and each + Contributor provides its Contributions) on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied, including, without limitation, any warranties or conditions + of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A + PARTICULAR PURPOSE. You are solely responsible for determining the + appropriateness of using or redistributing the Work and assume any + risks associated with Your exercise of permissions under this License. + + 8. Limitation of Liability. In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + 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. + diff --git a/skills/.experimental/azure-log-observer/SKILL.md b/skills/.experimental/azure-log-observer/SKILL.md new file mode 100644 index 0000000..350c828 --- /dev/null +++ b/skills/.experimental/azure-log-observer/SKILL.md @@ -0,0 +1,91 @@ +--- +name: azure-log-observer +description: Read logs in real-time from Azure Web Apps to diagnose errors without leaving the development environment. Use when a user asks "why did the site crash?", "show me errors from app X on Azure", or needs to debug Azure Web App issues by viewing application logs. +metadata: + short-description: Read Azure Web App logs for debugging +--- + +# Azure Log Observer + +## Overview + +This skill enables reading logs from Azure Web Apps in real-time to diagnose errors and debug issues. It uses the Azure CLI (`az`) to stream application logs directly to the development environment. + +## Prerequisites + +- Azure CLI (`az`) installed and authenticated on the host system +- Run `az login` to authenticate before using this skill +- The Azure Web App name and resource group name + +## Quick Start + +To get recent logs from an Azure Web App: + +```bash +python "/scripts/get_azure_logs.py" --app-name "" --resource-group "" +``` + +## Function Interface + +The main function is `get_recent_logs(app_name: str, resource_group: str, lines: int = 50, filter_errors: bool = False, timeout: int = 30)`. + +**Parameters:** +- `app_name`: Name of the Azure Web App +- `resource_group`: Name of the Azure resource group +- `lines`: Number of lines to capture (default: 50) +- `filter_errors`: If True, returns only lines containing "Exception", "Error", or "Critical" (default: False) +- `timeout`: Maximum seconds to run the log tail command (default: 30) + +**Returns:** String containing the captured log lines + +## Usage Examples + +### Get last 50 lines of logs +```bash +python "/scripts/get_azure_logs.py" --app-name "my-webapp" --resource-group "my-resource-group" +``` + +### Get last 100 lines +```bash +python "/scripts/get_azure_logs.py" --app-name "my-webapp" --resource-group "my-resource-group" --lines 100 +``` + +### Filter for errors only +```bash +python "/scripts/get_azure_logs.py" --app-name "my-webapp" --resource-group "my-resource-group" --filter-errors +``` + +### Custom timeout +```bash +python "/scripts/get_azure_logs.py" --app-name "my-webapp" --resource-group "my-resource-group" --timeout 60 +``` + +## Workflow + +1. **Verify Azure CLI authentication** + - Run `az account show` to check if logged in + - If not authenticated, prompt user to run `az login` + +2. **Stream logs** + - Execute `az webapp log tail --name --resource-group ` + - Capture output for the specified duration or until the desired number of lines is reached + - The `log tail` command streams continuously, so the script captures output for a limited time + +3. **Filter (optional)** + - If `filter_errors=True`, filter lines containing "Exception", "Error", or "Critical" (case-insensitive) + +4. **Return results** + - Return the captured log text to the agent for analysis + +## Error Handling + +- If Azure CLI is not authenticated, the script will fail with a clear error message +- If the Web App or resource group doesn't exist, Azure CLI will return an error +- If the log stream is empty or times out, the script returns what was captured + +## Bundled Resources + +### scripts/get_azure_logs.py + +Executable script that connects to Azure Web App logs via Azure CLI and returns log output. Handles authentication checks, log streaming, filtering, and timeout management. + diff --git a/skills/.experimental/azure-log-observer/requirements.txt b/skills/.experimental/azure-log-observer/requirements.txt new file mode 100644 index 0000000..db3386a --- /dev/null +++ b/skills/.experimental/azure-log-observer/requirements.txt @@ -0,0 +1,8 @@ +# Azure Log Observer - Requirements +# This skill uses only Python standard library (subprocess, threading, etc.) +# No external dependencies required. +# +# Prerequisites: +# - Azure CLI (az) must be installed and authenticated +# - Run 'az login' before using this skill + diff --git a/skills/.experimental/azure-log-observer/scripts/get_azure_logs.py b/skills/.experimental/azure-log-observer/scripts/get_azure_logs.py new file mode 100644 index 0000000..d6b54bd --- /dev/null +++ b/skills/.experimental/azure-log-observer/scripts/get_azure_logs.py @@ -0,0 +1,259 @@ +#!/usr/bin/env python3 +""" +Azure Log Observer - Fetch logs from Azure Web Apps + +This script reads logs from Azure Web Apps using the Azure CLI. +It can stream logs in real-time or capture a snapshot of recent logs. + +Usage: + get_azure_logs.py --app-name --resource-group [--lines N] [--filter-errors] [--timeout N] +""" + +import argparse +import re +import subprocess +import sys +import threading +import time +from typing import Optional + + +def check_azure_auth() -> bool: + """Check if Azure CLI is authenticated.""" + try: + result = subprocess.run( + ["az", "account", "show"], + capture_output=True, + text=True, + timeout=10, + ) + return result.returncode == 0 + except (subprocess.TimeoutExpired, FileNotFoundError): + return False + + +def get_recent_logs( + app_name: str, + resource_group: str, + lines: int = 50, + filter_errors: bool = False, + timeout: int = 30, +) -> str: + """ + Get recent logs from an Azure Web App. + + Args: + app_name: Name of the Azure Web App + resource_group: Name of the Azure resource group + lines: Number of lines to capture (approximate) + filter_errors: If True, return only error lines + timeout: Maximum seconds to run the log tail command + + Returns: + String containing the captured log lines + """ + if not check_azure_auth(): + raise RuntimeError( + "Azure CLI is not authenticated. Please run 'az login' first." + ) + + # Build the Azure CLI command + cmd = [ + "az", + "webapp", + "log", + "tail", + "--name", + app_name, + "--resource-group", + resource_group, + ] + + # Use a list to collect output from the subprocess + output_lines: list[str] = [] + process: Optional[subprocess.Popen] = None + error_message: Optional[str] = None + + def read_output(pipe): + """Read output from subprocess pipe.""" + nonlocal output_lines, error_message + try: + for line in iter(pipe.readline, ""): + if line: + output_lines.append(line.rstrip("\n\r")) + except Exception as e: + error_message = f"Error reading output: {e}" + + try: + # Start the process + process = subprocess.Popen( + cmd, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE, + text=True, + bufsize=1, # Line buffered + ) + + # Start thread to read stdout + stdout_thread = threading.Thread( + target=read_output, args=(process.stdout,), daemon=True + ) + stdout_thread.start() + + # Wait for timeout or until we have enough lines + start_time = time.time() + while time.time() - start_time < timeout: + if len(output_lines) >= lines: + break + if process.poll() is not None: + # Process ended + break + time.sleep(0.1) + + # Terminate the process if still running + if process.poll() is None: + process.terminate() + try: + process.wait(timeout=5) + except subprocess.TimeoutExpired: + process.kill() + + # Wait for output thread to finish reading + stdout_thread.join(timeout=2) + + # Check for errors + if process.returncode and process.returncode != -15: # -15 is SIGTERM + stderr_output = process.stderr.read() if process.stderr else "" + if stderr_output: + raise RuntimeError( + f"Azure CLI command failed: {stderr_output.strip()}" + ) + + # Get the captured output + log_text = "\n".join(output_lines) + + # Apply error filter if requested + if filter_errors: + error_pattern = re.compile( + r"(Exception|Error|Critical)", re.IGNORECASE + ) + filtered_lines = [ + line for line in log_text.split("\n") if error_pattern.search(line) + ] + log_text = "\n".join(filtered_lines) + + # Return the last N lines if we captured more + if log_text: + all_lines = log_text.split("\n") + if len(all_lines) > lines: + log_text = "\n".join(all_lines[-lines:]) + + return log_text + + except FileNotFoundError: + raise RuntimeError( + "Azure CLI (az) not found. Please install it from https://aka.ms/InstallAzureCLI" + ) + except Exception as e: + if error_message: + raise RuntimeError(error_message) from e + raise RuntimeError(f"Failed to fetch logs: {e}") from e + finally: + if process and process.poll() is None: + try: + process.terminate() + process.wait(timeout=2) + except Exception: + pass + + +def main() -> int: + """Main entry point for the script.""" + parser = argparse.ArgumentParser( + description="Fetch logs from Azure Web App", + formatter_class=argparse.ArgumentDefaultsHelpFormatter, + ) + parser.add_argument( + "--app-name", + required=True, + help="Name of the Azure Web App", + ) + parser.add_argument( + "--resource-group", + required=True, + help="Name of the Azure resource group", + ) + parser.add_argument( + "--lines", + type=int, + default=50, + help="Number of lines to capture (approximate)", + ) + parser.add_argument( + "--filter-errors", + action="store_true", + help="Return only lines containing 'Exception', 'Error', or 'Critical'", + ) + parser.add_argument( + "--timeout", + type=int, + default=30, + help="Maximum seconds to run the log tail command", + ) + parser.add_argument( + "--json", + action="store_true", + help="Output in JSON format", + ) + + args = parser.parse_args() + + try: + logs = get_recent_logs( + app_name=args.app_name, + resource_group=args.resource_group, + lines=args.lines, + filter_errors=args.filter_errors, + timeout=args.timeout, + ) + + if args.json: + import json + + print( + json.dumps( + { + "app_name": args.app_name, + "resource_group": args.resource_group, + "lines_captured": len(logs.split("\n")), + "logs": logs, + }, + indent=2, + ) + ) + else: + if logs: + print(logs) + else: + print( + "No logs captured. The app may not be generating logs, or the timeout was too short.", + file=sys.stderr, + ) + return 1 + + return 0 + + except RuntimeError as e: + print(f"Error: {e}", file=sys.stderr) + return 1 + except KeyboardInterrupt: + print("\nInterrupted by user.", file=sys.stderr) + return 130 + except Exception as e: + print(f"Unexpected error: {e}", file=sys.stderr) + return 1 + + +if __name__ == "__main__": + sys.exit(main()) +