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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
import sys
from pathlib import Path
from mach.decorators import Command, SubCommand # type: ignore
COMPONENT_DIR = Path(__file__).parent.resolve()
GENERATED_METRICS_PATH = COMPONENT_DIR / "generated-metrics.yaml"
@Command(
"gecko-trace",
category="misc",
description="GeckoTrace utilities",
)
def gecko_trace(_):
msg = "Gecko Trace helper utilities.\n\nRun `mach gecko-trace --help` for further details."
print(msg)
@SubCommand(
"gecko-trace",
"glean-metrics",
description="Generate Glean metrics YAML from event definitions",
)
def generate_metrics(_):
# We need to add the component directory to the path to import the generation scripts.
sys.path.insert(0, str(COMPONENT_DIR / "scripts"))
from codegen import generate_glean_metrics # type: ignore
with open(GENERATED_METRICS_PATH, "w") as metrics_file:
generate_glean_metrics(metrics_file)
print(
f"Metrics YAML successfully written to:\n\n{GENERATED_METRICS_PATH}",
file=sys.stderr,
)