如何使用shell脚本计算docker容器的cpu、内存和硬盘使用率百分比

如何使用shell脚本计算docker容器的cpu、内存和硬盘使用率百分比

下面是在特定容器上使用此命令的输出

curl-s——unixsocket/var/run/docker.sock-xget | jq

ContainerID=$（sudo docker ps--filter“status=running”| awk'NR>1{print$1}）

echo“$containerIds”

谢谢和问候

  {
  "read": "2020-09-08T17:57:08.612559386Z",
  "preread": "0001-01-01T00:00:00Z",
  "pids_stats": {
    "current": 2
  },
  "blkio_stats": {
    "io_service_bytes_recursive": [
      {
        "major": 8,
        "minor": 0,
        "op": "Read",
        "value": 17207296
      },
      {
        "major": 8,
        "minor": 0,
        "op": "Write",
        "value": 8192
      },
      {
        "major": 8,
        "minor": 0,
        "op": "Sync",
        "value": 17211392
      },
      {
        "major": 8,
        "minor": 0,
        "op": "Async",
        "value": 4096
      },
      {
        "major": 8,
        "minor": 0,
        "op": "Discard",
        "value": 0
      },
      {
        "major": 8,
        "minor": 0,
        "op": "Total",
        "value": 17215488
      }
    ],
    "io_serviced_recursive": [
      {
        "major": 8,
        "minor": 0,
        "op": "Read",
        "value": 584
      },
      {
        "major": 8,
        "minor": 0,
        "op": "Write",
        "value": 2
      },
      {
        "major": 8,
        "minor": 0,
        "op": "Sync",
        "value": 585
      },
      {
        "major": 8,
        "minor": 0,
        "op": "Async",
        "value": 1
      },
      {
        "major": 8,
        "minor": 0,
        "op": "Discard",
        "value": 0
      },
      {
        "major": 8,
        "minor": 0,
        "op": "Total",
        "value": 586
      }
    ],
    "io_queue_recursive": [],
    "io_service_time_recursive": [],
    "io_wait_time_recursive": [],
    "io_merged_recursive": [],
    "io_time_recursive": [],
    "sectors_recursive": []
  },
  "num_procs": 0,
  "storage_stats": {},
  "cpu_stats": {
    "cpu_usage": {
      "total_usage": 139411120,
      "percpu_usage": [
        57494949,
        42111399,
        10313912,
        29490860
      ],
      "usage_in_kernelmode": 100000000,
      "usage_in_usermode": 50000000
    },
    "system_cpu_usage": 649165800000000,
    "online_cpus": 4,
    "throttling_data": {
      "periods": 0,
      "throttled_periods": 0,
      "throttled_time": 0
    }
  },
  "precpu_stats": {
    "cpu_usage": {
      "total_usage": 0,
      "usage_in_kernelmode": 0,
      "usage_in_usermode": 0
    },
    "throttling_data": {
      "periods": 0,
      "throttled_periods": 0,
      "throttled_time": 0
    }
  },
  "memory_stats": {
    "usage": 3731456,
    "max_usage": 14323712,
    "stats": {
      "active_anon": 114688,
      "active_file": 499712,
      "cache": 2445312,
      "dirty": 0,
      "hierarchical_memory_limit": 9223372036854772000,
      "hierarchical_memsw_limit": 0,
      "inactive_anon": 159744,
      "inactive_file": 2367488,
      "mapped_file": 1622016,
      "pgfault": 4323,
      "pgmajfault": 33,
      "pgpgin": 6105,
      "pgpgout": 5404,
      "rss": 327680,
      "rss_huge": 0,
      "total_active_anon": 77824,
      "total_active_file": 0,
      "total_cache": 0,
      "total_dirty": 0,
      "total_inactive_anon": 73728,
      "total_inactive_file": 0,
      "total_mapped_file": 0,
      "total_pgfault": 4689,
      "total_pgmajfault": 294,
      "total_pgpgin": 6417,
      "total_pgpgout": 6523,
      "total_rss": 0,
      "total_rss_huge": 0,
      "total_unevictable": 0,
      "total_writeback": 319488,
      "unevictable": 0,
      "writeback": 0
    },
    "limit": 8265834496
  },
  "name": "/myNginx",
  "id": "3c54b9e5991dd57c4e298c95b7201f322d813aab701acf2ed3d5585ff9169200",
  "networks": {
    "eth0": {
      "rx_bytes": 1480757,
      "rx_packets": 8331,
      "rx_errors": 0,
      "rx_dropped": 0,
      "tx_bytes": 0,
      "tx_packets": 0,
      "tx_errors": 0,
      "tx_dropped": 0
    }
  }
}