Configure CI workflows to intelligently manage system resources through conditional execution rather than duplicating steps. Use matrix variables or job conditions to determine when resource-intensive operations should run.
For resource monitoring tasks (like disk usage checks), define a condition that prevents redundant execution:
- name: print disk usage
# Only run this step if the free_disk operation isn't executed
if: $
run: |
echo "disk usage:"
df -h
When configuring runners, explicitly document resource constraints and set appropriate flags that control resource management steps:
runners:
- &job-windows
os: windows-2025
free_disk: true # Explicitly mark jobs that need disk space freed
<<: *base-job
This approach keeps workflows maintainable by avoiding duplicative steps, makes resource constraints visible, and ensures consistent behavior across different execution environments.
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