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