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Slavi PantaleevandClaude Opus 5
e2d3be504e
`just molecule` leaves a shared virtualenv of over 500 MB under var/, plus a ~7 MB Ansible home per role that has a scenario. Neither is reclaimed by anything today. `--idle-days N` limits it to what has not been touched recently, so it can be run unattended without taking the cache out from under a scenario being worked on right now. The two directories are named explicitly rather than globbed: var/ holds other things and must never be removed wholesale. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01SEH3vxYSQ5SV4N5z61eyGT
91 lines
2.4 KiB
Bash
Executable File
91 lines
2.4 KiB
Bash
Executable File
#!/bin/bash
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# Removes what `just molecule` leaves under var/.
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#
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# Called through `just molecule-clean [--idle-days N]`.
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#
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# Two things accumulate. The per-role Ansible homes are ~7 MB each and are
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# rewritten on every run rather than growing, so they are bounded by the number
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# of roles that have a scenario. The shared virtualenv is the bulk of it (over
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# 500 MB) and is recreated on the next run, which costs a pip install.
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#
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# Usage:
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# just molecule-clean # everything, after showing what and how much
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# just molecule-clean --idle-days 14 # only what has not been touched in 14 days
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# just molecule-clean --yes # skip the confirmation
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#
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# --idle-days is what makes this safe to run unattended: a scenario you ran this
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# morning keeps its cache, and only roles you have not touched in a while lose
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# theirs.
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set -euo pipefail
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repo_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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var_dir="${repo_dir}/var"
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idle_days=""
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assume_yes="false"
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while [ $# -gt 0 ]; do
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case "$1" in
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--idle-days)
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idle_days="${2:-}"
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if ! [[ "${idle_days}" =~ ^[0-9]+$ ]]; then
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echo "--idle-days needs a whole number of days" >&2
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exit 1
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fi
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shift 2
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;;
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--yes|-y)
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assume_yes="true"
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shift
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;;
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*)
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echo "Unknown argument: $1" >&2
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echo "Usage: just molecule-clean [--idle-days N] [--yes]" >&2
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exit 1
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;;
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esac
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done
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# Only ever the two directories bin/molecule.sh creates, named explicitly. `var/`
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# holds other things and must never be removed wholesale.
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targets=()
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for candidate in "${var_dir}/molecule-ansible-home" "${var_dir}/molecule-venv"; do
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[ -d "${candidate}" ] || continue
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if [ -n "${idle_days}" ] && [ -z "$(find "${candidate}" -maxdepth 0 -mtime "+${idle_days}")" ]; then
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continue
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fi
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targets+=("${candidate}")
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done
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if [ ${#targets[@]} -eq 0 ]; then
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if [ -n "${idle_days}" ]; then
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echo "Nothing idle for more than ${idle_days} day(s)."
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else
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echo "Nothing to clean."
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fi
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exit 0
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fi
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echo "Would remove:"
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for target in "${targets[@]}"; do
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printf ' %s %s\n' "$(du -sh "${target}" | cut -f1)" "${target/#$HOME/\~}"
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done
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if [ "${assume_yes}" != "true" ]; then
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read -r -p "Remove these? [y/N] " reply
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case "${reply}" in
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y|Y|yes|YES) ;;
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*) echo "Left alone."; exit 0 ;;
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esac
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fi
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for target in "${targets[@]}"; do
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rm -rf "${target}"
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echo "Removed ${target/#$HOME/\~}"
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done
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echo "The virtualenv is recreated on the next \`just molecule\` run."
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