mirror of
https://github.com/kevinveenbirkenbach/computer-playbook.git
synced 2025-11-25 22:42:06 +00:00
Kevin Veen-Birkenbach
a312f353fb
- Replace jvm_filters with unified memory_filters (JVM + Redis helpers) - Add redis_maxmemory_mb filter and unit tests - Introduce sys-ctl-cln-docker role (systemd-based Docker prune + anon volumes) - Refactor disk space health check to Python script and wire SIZE_PERCENT_CLEANUP_DISC_SPACE - Adjust schedules and services for Docker cleanup and disk space health See discussion: https://chatgpt.com/share/6925c1c5-ee38-800f-84b6-da29ccfa7537
59 lines
1.4 KiB
Python
59 lines
1.4 KiB
Python
#!/usr/bin/env python3
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import argparse
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import subprocess
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import sys
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def get_disk_usage_percentages():
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"""
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Returns a list of filesystem usage percentages as integers.
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Equivalent to: df --output=pcent | sed 1d | tr -d '%'
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"""
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result = subprocess.run(
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["df", "--output=pcent"],
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capture_output=True,
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text=True,
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check=True
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)
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lines = result.stdout.strip().split("\n")[1:] # Skip header
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percentages = []
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for line in lines:
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value = line.strip().replace("%", "")
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if value.isdigit():
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percentages.append(int(value))
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return percentages
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def main():
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parser = argparse.ArgumentParser(
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description="Check disk usage and report if any filesystem exceeds the given threshold."
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)
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parser.add_argument(
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"minimum_percent_cleanup_disk_space",
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type=int,
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help="Minimum free disk space percentage threshold that triggers a warning."
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)
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args = parser.parse_args()
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threshold = args.minimum_percent_cleanup_disk_space
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print("Checking disk space usage...")
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subprocess.run(["df"]) # Show the same df output as the original script
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errors = 0
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percentages = get_disk_usage_percentages()
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for usage in percentages:
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if usage > threshold:
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print(f"WARNING: {usage}% exceeds the limit of {threshold}%.")
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errors += 1
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sys.exit(errors)
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if __name__ == "__main__":
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main()
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