[skip ci] cmd actions for runtimes (bench & fmt)

Update cmd.yml

.github/env

@@ -1,2 +1,3 @@
 RUST_STABLE_VERSION=1.77.0
 RUST_NIGHTLY_VERSION=2024-04-14
+TAPLO_VERSION=0.8.1

.github/scripts/cmd/_help.py

@@ -0,0 +1,26 @@
+import argparse
+
+"""
+
+Custom help action for argparse, it prints the help message for the main parser and all subparsers.
+
+"""
+
+
+class _HelpAction(argparse._HelpAction):
+    def __call__(self, parser, namespace, values, option_string=None):
+        parser.print_help()
+
+        # retrieve subparsers from parser
+        subparsers_actions = [
+            action for action in parser._actions
+            if isinstance(action, argparse._SubParsersAction)]
+        # there will probably only be one subparser_action,
+        # but better save than sorry
+        for subparsers_action in subparsers_actions:
+            # get all subparsers and print help
+            for choice, subparser in subparsers_action.choices.items():
+                print("\n### Command '{}'".format(choice))
+                print(subparser.format_help())
+
+        parser.exit()

.github/scripts/cmd/cmd.py

@@ -0,0 +1,188 @@
+#!/usr/bin/env python
+
+import os
+import sys
+import json
+import argparse
+import tempfile
+import _help
+
+_HelpAction = _help._HelpAction
+
+f = open('.github/workflows/runtimes-matrix.json', 'r')
+runtimesMatrix = json.load(f)
+
+runtimeNames = list(map(lambda x: x['name'], runtimesMatrix))
+
+common_args = {
+    '--continue-on-fail': {"action": "store_true", "help": "Won't exit(1) on failed command and continue with next "
+                                                           "steps. Helpful when you want to push at least successful "
+                                                           "pallets, and then run failed ones separately"},
+    '--quiet': {"action": "store_true", "help": "Won't print start/end/failed messages in Pull Request"},
+    '--clean': {"action": "store_true", "help": "Clean up the previous bot's & author's comments in Pull Request "
+                                                "which triggered /cmd"},
+}
+
+parser = argparse.ArgumentParser(prog="/cmd ", description='A command runner for polkadot runtimes repo', add_help=False)
+parser.add_argument('--help', action=_HelpAction, help='help for help if you need some help')  # help for help
+
+subparsers = parser.add_subparsers(help='a command to run', dest='command')
+
+"""
+BENCH 
+"""
+
+bench_example = '''**Examples**:
+
+ > runs all benchmarks
+ 
+ %(prog)s
+ 
+ > runs benchmarks for pallet_balances and pallet_multisig for all runtimes which have these pallets
+ > --quiet makes it to output nothing to PR but reactions
+ 
+ %(prog)s --pallet pallet_balances pallet_xcm_benchmarks::generic --quiet
+ 
+ > runs bench for all pallets for polkadot runtime and continues even if some benchmarks fail
+ 
+ %(prog)s --runtime polkadot --continue-on-fail 
+ 
+ > does not output anything and cleans up the previous bot's & author command triggering comments in PR 
+ 
+ %(prog)s --runtime polkadot kusama --pallet pallet_balances pallet_multisig --quiet --clean 
+
+ '''
+
+parser_bench = subparsers.add_parser('bench', help='Runs benchmarks', epilog=bench_example, formatter_class=argparse.RawDescriptionHelpFormatter)
+
+for arg, config in common_args.items():
+    parser_bench.add_argument(arg, **config)
+
+parser_bench.add_argument('--runtime', help='Runtime(s) space separated', choices=runtimeNames, nargs='*', default=runtimeNames)
+parser_bench.add_argument('--pallet', help='Pallet(s) space separated', nargs='*', default=[])
+
+"""
+FMT 
+"""
+parser_fmt = subparsers.add_parser('fmt', help='Formats code')
+for arg, config in common_args.items():
+    parser_fmt.add_argument(arg, **config)
+
+args, unknown = parser.parse_known_args()
+
+print(f'args: {args}')
+
+if args.command == 'bench':
+    tempdir = tempfile.TemporaryDirectory()
+    print(f'Created temp dir: {tempdir.name}')
+    runtime_pallets_map = {}
+    failed_benchmarks = {}
+    successful_benchmarks = {}
+
+    profile = "release"
+
+    print(f'Provided runtimes: {args.runtime}')
+    # convert to mapped dict
+    runtimesMatrix = list(filter(lambda x: x['name'] in args.runtime, runtimesMatrix))
+    runtimesMatrix = {x['name']: x for x in runtimesMatrix}
+    print(f'Filtered out runtimes: {runtimesMatrix}')
+
+    # loop over remaining runtimes to collect available pallets
+    for runtime in runtimesMatrix.values():
+        os.system(f"cargo build -p {runtime['package']} --profile {profile} --features runtime-benchmarks")
+        print(f'-- listing pallets for benchmark for {runtime["name"]}')
+        wasm_file = f"target/{profile}/wbuild/{runtime['package']}/{runtime['package'].replace('-', '_')}.wasm"
+        output = os.popen(
+            f"frame-omni-bencher v1 benchmark pallet --no-csv-header --all --list --runtime={wasm_file}").read()
+        raw_pallets = output.split('\n')
+
+        all_pallets = set()
+        for pallet in raw_pallets:
+            if pallet:
+                all_pallets.add(pallet.split(',')[0])
+
+        pallets = list(all_pallets)
+        print(f'Pallets in {runtime}: {pallets}')
+        runtime_pallets_map[runtime['name']] = pallets
+
+    # filter out only the specified pallets from collected runtimes/pallets
+    if args.pallet:
+        print(f'Pallet: {args.pallet}')
+        new_pallets_map = {}
+        # keep only specified pallets if they exist in the runtime
+        for runtime in runtime_pallets_map:
+            if set(args.pallet).issubset(set(runtime_pallets_map[runtime])):
+                new_pallets_map[runtime] = args.pallet
+
+        runtime_pallets_map = new_pallets_map
+
+    print(f'Filtered out runtimes & pallets: {runtime_pallets_map}')
+
+    if not runtime_pallets_map:
+        if args.pallet and not args.runtime:
+            print(f"No pallets [{args.pallet}] found in any runtime")
+        elif args.runtime and not args.pallet:
+            print(f"{args.runtime} runtime does not have any pallets")
+        elif args.runtime and args.pallet:
+            print(f"No pallets [{args.pallet}] found in {args.runtime}")
+        else:
+            print('No runtimes found')
+        sys.exit(0)
+
+    header_path = os.path.abspath('./.github/scripts/cmd/file_header.txt')
+
+    for runtime in runtime_pallets_map:
+        for pallet in runtime_pallets_map[runtime]:
+            config = runtimesMatrix[runtime]
+            print(f'-- config: {config}')
+            default_path = f"./{config['path']}/src/weights"
+            xcm_path = f"./{config['path']}/src/weights/xcm"
+            output_path = default_path if not pallet.startswith("pallet_xcm_benchmarks") else xcm_path
+            print(f'-- benchmarking {pallet} in {runtime} into {output_path}')
+
+            status = os.system(f"frame-omni-bencher v1 benchmark pallet "
+                               f"--extrinsic=* "
+                               f"--runtime=target/{profile}/wbuild/{config['package']}/{config['package'].replace('-', '_')}.wasm "
+                               f"--pallet={pallet} "
+                               f"--header={header_path} "
+                               f"--output={output_path} "
+                               f"--wasm-execution=compiled  "
+                               f"--steps=50 "
+                               f"--repeat=20 "
+                               f"--heap-pages=4096 "
+                               )
+            if status != 0 and not args.continue_on_fail:
+                print(f'Failed to benchmark {pallet} in {runtime}')
+                sys.exit(1)
+
+            # Otherwise collect failed benchmarks and print them at the end
+            # push failed pallets to failed_benchmarks
+            if status != 0:
+                failed_benchmarks[f'{runtime}'] = failed_benchmarks.get(f'{runtime}', []) + [pallet]
+            else:
+                successful_benchmarks[f'{runtime}'] = successful_benchmarks.get(f'{runtime}', []) + [pallet]
+
+    if failed_benchmarks:
+        print('❌ Failed benchmarks of runtimes/pallets:')
+        for runtime, pallets in failed_benchmarks.items():
+            print(f'-- {runtime}: {pallets}')
+
+    if successful_benchmarks:
+        print('✅ Successful benchmarks of runtimes/pallets:')
+        for runtime, pallets in successful_benchmarks.items():
+            print(f'-- {runtime}: {pallets}')
+
+    tempdir.cleanup()
+
+elif args.command == 'fmt':
+    nightly_version = os.getenv('RUST_NIGHTLY_VERSION')
+    command = f"cargo +nightly-{nightly_version} fmt";
+    print('Formatting with `{command}`')
+    nightly_status = os.system(f'{command}')
+    taplo_status = os.system('taplo format --config .config/taplo.toml')
+
+    if (nightly_status != 0 or taplo_status != 0) and not args.continue_on_fail:
+        print('❌ Failed to format code')
+        sys.exit(1)
+
+print('🚀 Done')

.github/scripts/cmd/file_header.txt

@@ -0,0 +1,15 @@
+// Copyright (C) Parity Technologies and the various Polkadot contributors, see Contributions.md
+// for a list of specific contributors.
+// SPDX-License-Identifier: Apache-2.0
+
+// 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.