diff options
Diffstat (limited to 'TODO.org')
| -rw-r--r-- | TODO.org | 66 |
1 files changed, 66 insertions, 0 deletions
@@ -143,6 +143,72 @@ fi - arch-wiki-lite: ~200MB (text only, smaller) - Could include both for ~600MB total +** TODO [#B] Add zfsrollback and zfssnapshot scripts to ISO +Include dedicated ZFS snapshot management scripts in the archzfs ISO rather than archsetup. +These tools belong here since they're useful for rescue scenarios and post-install management. + +*** Scripts to create + +**** zfssnapshot +Create manual or automated snapshots with consistent naming: +#+BEGIN_SRC bash +#!/bin/bash +# zfssnapshot - Create ZFS snapshots with optional retention +# Usage: zfssnapshot <dataset> [label] +# Example: zfssnapshot zroot/ROOT/arch pre-upgrade + +DATASET="$1" +LABEL="${2:-manual}" +TIMESTAMP=$(date +%Y-%m-%d_%H-%M-%S) +SNAPNAME="${DATASET}@${LABEL}_${TIMESTAMP}" + +zfs snapshot "$SNAPNAME" +echo "Created snapshot: $SNAPNAME" +#+END_SRC + +Features to consider: +- Recursive snapshots (-r flag) +- Pre-defined labels (pre-upgrade, daily, hourly) +- Integration with pacman hooks for automatic pre-upgrade snapshots +- Quiet mode for cron/systemd usage + +**** zfsrollback +Interactive rollback with safety checks: +#+BEGIN_SRC bash +#!/bin/bash +# zfsrollback - Safely rollback to a previous ZFS snapshot +# Usage: zfsrollback [dataset] +# Without args, shows all snapshots and prompts for selection + +# List snapshots with fzf for selection +SNAP=$(zfs list -t snapshot -o name,creation -s creation | \ + fzf --header "Select snapshot to rollback to") + +# Confirm before destructive operation +echo "WARNING: This will destroy all data created after the snapshot" +read -p "Rollback to $SNAP? [y/N] " confirm +[[ "$confirm" == "y" ]] && zfs rollback -r "$SNAP" +#+END_SRC + +Features to consider: +- Show snapshot diff (what will be lost) +- Create safety snapshot before rollback +- Boot environment awareness (warn if rolling back root) +- Clone instead of rollback option (preserve current state) + +*** Implementation +1. Create scripts in custom/zfssnapshot and custom/zfsrollback +2. Add to build.sh to copy to /usr/local/bin/ +3. Add file_permissions entries in profiledef.sh +4. Document in RESCUE-GUIDE.txt +5. Consider systemd timers for automated snapshots + +*** Why in archzfs instead of archsetup +- Rescue scenarios: rollback from live USB when system won't boot +- Standalone utility: works on any ZFS system, not just archsetup installs +- ISO always available: no need to install archsetup first +- Simpler: self-contained scripts vs. dependency on archsetup + ** TODO [#B] Set up CI/CD pipeline for automated ISO builds *** Options to evaluate - Self-hosted on TrueNAS (primary target) |