node_cpu_seconds_total
node_load5
node_load15
node_memory_MemTotal_bytes
node_memory_MemFree_bytes
node_memory_MemAvailable_bytes
node_memory_SwapTotal_bytes
node_memory_SwapFree_bytes
node_filesystem_avail_bytes
node_filesystem_size_bytes
node_time_seconds
node_boot_time_seconds
