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025971ca1e
- lib/notify.sh: route notify_send to every platform in NOTIFY_PLATFORM (notify.env, default telegram; comma-separated = send to all). New platforms need only a bin/pos-communication-<p> sender implementing 'send <value> [--markdown]' (Matrix/Synapse ready) - pos-communication-telegram: add --markdown as alias for --parse-mode markdown to match the sender contract - lib/common.sh: load_system_env() — shared ~/.config/linux_post_install/ system.env for pos-system-* tools (env exported > file > default) - pos-system-health/backup: load system.env and show effective dynamic values (NOTIFY_PLATFORM, HEALTH_BACKUP_MAX_AGE_DAYS, BACKUP_SERVICE_ROOTS) in --help - config/system.env + config/notify.env templates copied by postinstall - systemd/pos-health.service: EnvironmentFile for both configs so the daily digest honors them
78 lines
2.9 KiB
Bash
78 lines
2.9 KiB
Bash
#!/usr/bin/env bash
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# lib/notify.sh — optional MULTI-PLATFORM alerting helper. Self-contained by
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# design: defines ONLY notify_send() + notify_platforms() (plus internal
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# helpers) so it can be sourced by tools that define their own log/warn/err
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# (e.g. pos-system-firewall) without clobbering.
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#
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# Usage (opt-in — source it, do NOT auto-load from common.sh):
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# source "$(dirname "$0")/../lib/notify.sh" 2>/dev/null || source "$(dirname "$0")/notify.sh"
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# notify_send "Backup completed: $ARCHIVE"
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# notify_send "**disk full**" --markdown
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#
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# Platform routing — ~/.config/linux_post_install/notify.env:
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# NOTIFY_PLATFORM=telegram,matrix
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# Comma-separated = send to every listed platform (default: telegram).
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#
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# Sender contract — each platform is a bin/pos-communication-<platform> tool
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# that MUST implement:
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# pos-communication-<platform> send <value> [--markdown]
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# (exit 0 on delivery; non-zero on failure)
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# To add a platform (e.g. Matrix/Synapse), add `bin/pos-communication-matrix`
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# implementing that interface and put `matrix` in NOTIFY_PLATFORM.
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#
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# Silent-fails per platform: a missing sender or a failed send only warns and
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# never changes the caller's exit code.
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CONFIG_DIR="${XDG_CONFIG_HOME:-$HOME/.config}/linux_post_install"
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# Effective platform list (env > notify.env > "telegram").
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notify_platforms() {
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local p="${NOTIFY_PLATFORM:-}"
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if [ -z "$p" ] && [ -f "$CONFIG_DIR/notify.env" ]; then
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p="$(grep -E '^NOTIFY_PLATFORM=' "$CONFIG_DIR/notify.env" | tail -1 | cut -d= -f2-)"
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p="${p%\"}"; p="${p#\"}"; p="${p%\'}"; p="${p#\'}"
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fi
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printf '%s' "${p:-telegram}"
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}
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notify_send() {
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local msg="" markdown=0
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while [ $# -gt 0 ]; do
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case "$1" in
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--markdown) markdown=1; shift ;;
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*) msg="$1"; shift ;;
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esac
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done
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if [ -z "$msg" ]; then
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warn "notify_send: empty message, skipped" 2>/dev/null || echo "notify_send: empty message, skipped"
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return 0
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fi
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local -a plist
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IFS=',' read -r -a plist <<< "$(notify_platforms)"
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local p sender
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for p in "${plist[@]}"; do
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p="${p// /}"
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[ -n "$p" ] || continue
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sender="$(command -v "pos-communication-${p}" 2>/dev/null)" || \
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sender="$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")/../bin/pos-communication-${p}"
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if [ ! -x "$sender" ]; then
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warn "notify_send: pos-communication-${p} not found, notification skipped" 2>/dev/null || true
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continue
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fi
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if [ "$markdown" -eq 1 ]; then
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"$sender" send "$msg" --markdown >/dev/null 2>&1 || {
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warn "notify_send: ${p} send failed, notification skipped" 2>/dev/null || true
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}
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else
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"$sender" send "$msg" >/dev/null 2>&1 || {
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warn "notify_send: ${p} send failed, notification skipped" 2>/dev/null || true
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}
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fi
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done
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}
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