Initial fleet-api skill

lib/machines.sh

@@ -0,0 +1,131 @@
+#!/bin/bash
+# Machine registry logic
+
+MACHINES_FILE="${DATA_DIR:-/data/fleet}/machines.json"
+STALE_THRESHOLD=60  # seconds
+
+# Get current timestamp
+now() {
+    date +%s
+}
+
+# Read machines file with lock
+read_machines() {
+    if [ -f "$MACHINES_FILE" ]; then
+        cat "$MACHINES_FILE"
+    else
+        echo '{}'
+    fi
+}
+
+# Write machines file with lock
+write_machines() {
+    local data="$1"
+    echo "$data" > "$MACHINES_FILE.tmp"
+    mv "$MACHINES_FILE.tmp" "$MACHINES_FILE"
+}
+
+# Update machine status based on lastSeen
+update_status() {
+    local machines="$1"
+    local current_time=$(now)
+
+    echo "$machines" | jq --arg now "$current_time" --arg threshold "$STALE_THRESHOLD" '
+        to_entries | map(
+            .value.status = (
+                if (.value.lastSeen | tonumber) < (($now | tonumber) - ($threshold | tonumber))
+                then "unknown"
+                else .value.status
+                end
+            )
+        ) | from_entries
+    '
+}
+
+# Handle POST /api/machines/register
+handle_register() {
+    local body="$1"
+
+    # Validate JSON
+    if ! echo "$body" | jq -e . >/dev/null 2>&1; then
+        send_error "400 Bad Request" "Invalid JSON"
+        return
+    fi
+
+    # Extract required fields
+    local id=$(echo "$body" | jq -r '.id // empty')
+    local name=$(echo "$body" | jq -r '.name // empty')
+    local url=$(echo "$body" | jq -r '.url // empty')
+
+    if [ -z "$id" ] || [ -z "$name" ] || [ -z "$url" ]; then
+        send_error "400 Bad Request" "Missing required fields: id, name, url"
+        return
+    fi
+
+    # Read current machines
+    local machines=$(read_machines)
+    local current_time=$(now)
+
+    # Create/update machine entry
+    local machine=$(echo "$body" | jq --arg ts "$current_time" '. + {lastSeen: ($ts | tonumber)}')
+
+    # Add to machines
+    machines=$(echo "$machines" | jq --arg id "$id" --argjson machine "$machine" '.[$id] = $machine')
+
+    # Write back
+    write_machines "$machines"
+
+    send_json "200 OK" "$machine"
+}
+
+# Handle GET /api/machines
+handle_list_machines() {
+    local machines=$(read_machines)
+
+    # Update status based on lastSeen
+    machines=$(update_status "$machines")
+
+    # Convert to array
+    local result=$(echo "$machines" | jq '[to_entries[] | .value]')
+
+    send_json "200 OK" "$result"
+}
+
+# Handle GET /api/machines/:id
+handle_get_machine() {
+    local id="$1"
+    local machines=$(read_machines)
+
+    # Update status
+    machines=$(update_status "$machines")
+
+    # Get machine
+    local machine=$(echo "$machines" | jq --arg id "$id" '.[$id] // null')
+
+    if [ "$machine" = "null" ]; then
+        send_error "404 Not Found" "Machine not found"
+        return
+    fi
+
+    send_json "200 OK" "$machine"
+}
+
+# Handle DELETE /api/machines/:id
+handle_delete_machine() {
+    local id="$1"
+    local machines=$(read_machines)
+
+    # Check if exists
+    local exists=$(echo "$machines" | jq --arg id "$id" 'has($id)')
+
+    if [ "$exists" = "false" ]; then
+        send_error "404 Not Found" "Machine not found"
+        return
+    fi
+
+    # Remove machine
+    machines=$(echo "$machines" | jq --arg id "$id" 'del(.[$id])')
+    write_machines "$machines"
+
+    send_json "200 OK" '{"deleted":true}'
+}