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oikos/tools/context-poller.sh
dtoro ca16b75b90
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fix: rename Homelab-Docs → oikos across all active files; add public enrollment route
2026-07-08 11:46:42 +02:00

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#!/usr/bin/env bash
# context-poller.sh — lightweight deltas replacing git pull.
# Polls GET /api/v1/clients/{slug}/context?since=<timestamp> every 5 min.
# Installed by bootstrap.sh via launchd (macOS) or systemd timer (Linux).
#
# Dependencies: curl, jq
set -euo pipefail
OIKOS_URL="${OIKOS_API_URL:-https://oikos.hubris.network/api/v1}"
HNAME=$(scutil --get LocalHostName 2>/dev/null || hostname -s)
CONTEXT_DIR="${HOMELAB_CONTEXT_DIR:-/opt/homelab}"
RAW_URL="${HOMELAB_RAW_URL:-https://git.hubris.network/dtoro/oikos/raw/main}"
STATE_FILE="$CONTEXT_DIR/.context_since"
SINCE=""
[ -f "$STATE_FILE" ] && SINCE=$(cat "$STATE_FILE")
API_RESP=$(curl -s --connect-timeout 10 \
"$OIKOS_URL/clients/ws:${HNAME}/context?since=${SINCE}" 2>/dev/null || true)
if [ -z "$API_RESP" ] || ! echo "$API_RESP" | jq -e '.version' >/dev/null 2>&1; then
exit 0
fi
NEW_SINCE=$(echo "$API_RESP" | jq -r '.since // empty')
VERSION=$(echo "$API_RESP" | jq -r '.version // 0')
CHANGED_FILES=$(echo "$API_RESP" | jq -r '.agent_files_changed // [] | .[]' 2>/dev/null || true)
SOPS_CHANGED=$(echo "$API_RESP" | jq -r '.sops_config_changed // false' 2>/dev/null || true)
TOOLS_CHANGED=$(echo "$API_RESP" | jq -r '.tools_changed // [] | .[]' 2>/dev/null || true)
APPLIED=0
# Fetch changed agent files
for f in $CHANGED_FILES; do
url="$RAW_URL/$f"
dest="$CONTEXT_DIR/$f"
mkdir -p "$(dirname "$dest")"
if curl -fsSL --connect-timeout 10 "$url" -o "$dest.tmp" 2>/dev/null; then
mv "$dest.tmp" "$dest"
APPLIED=$((APPLIED + 1))
fi
done
# Fetch changed tools and re-run them
for t in $TOOLS_CHANGED; do
url="$RAW_URL/$t"
dest="$CONTEXT_DIR/$t"
mkdir -p "$(dirname "$dest")"
if curl -fsSL --connect-timeout 10 "$url" -o "$dest.tmp" 2>/dev/null; then
mv "$dest.tmp" "$dest"
chmod +x "$dest" 2>/dev/null || true
if [ "$t" != "tools/post-pull.sh" ] && [ "$t" != "tools/context-poller.sh" ]; then
bash "$dest" 2>/dev/null || true
fi
APPLIED=$((APPLIED + 1))
fi
done
# Fetch .sops.yaml if changed
if [ "$SOPS_CHANGED" = "true" ]; then
url="$RAW_URL/.sops.yaml"
dest="$CONTEXT_DIR/.sops.yaml"
if curl -fsSL --connect-timeout 10 "$url" -o "$dest.tmp" 2>/dev/null; then
mv "$dest.tmp" "$dest"
APPLIED=$((APPLIED + 1))
fi
fi
if [ "$APPLIED" -gt 0 ] && [ -n "$NEW_SINCE" ]; then
echo "$NEW_SINCE" > "$STATE_FILE"
echo "[oikos] context updated: version=$VERSION, applied=$APPLIED files ($(date -u +%Y-%m-%dT%H:%M:%SZ))"
fi