监控安全容器
描述
kata events命令用于显示指定容器状态。包括但不限于容器内存、CPU、Pid、 Blkio、大页内存、网络等信息。
用法
kata-runtime metrics <sandbox id>
前置条件
要查询的容器状态必须为running,否则报错:Container ID (
该命令只支持查询监控一个容器的状态
示例
每隔三秒显示容器状态。
$ kata-runtime metrics b1ea31830b57d08e1782e2bdb19cf9162908445cc283d371aa1e4923a91e0d0b
# HELP go_gc_duration_seconds A summary of the pause duration of garbage collection cycles.
# TYPE go_gc_duration_seconds summary
go_gc_duration_seconds{quantile="0"} 2.717e-05
go_gc_duration_seconds{quantile="0.25"} 3.7e-05
go_gc_duration_seconds{quantile="0.5"} 4.043e-05
go_gc_duration_seconds{quantile="0.75"} 4.633e-05
go_gc_duration_seconds{quantile="1"} 0.00019117
go_gc_duration_seconds_sum 0.00229451
go_gc_duration_seconds_count 51
# HELP go_goroutines Number of goroutines that currently exist.
# TYPE go_goroutines gauge
go_goroutines 29
# HELP go_info Information about the Go environment.
# TYPE go_info gauge
go_info{version="go1.15.7"} 1
# HELP go_memstats_alloc_bytes Number of bytes allocated and still in use.
# TYPE go_memstats_alloc_bytes gauge
go_memstats_alloc_bytes 2.487136e+06
# HELP go_memstats_heap_idle_bytes Number of heap bytes waiting to be used.
# TYPE go_memstats_heap_idle_bytes gauge
go_memstats_heap_idle_bytes 6.2185472e+07
# HELP go_memstats_heap_inuse_bytes Number of heap bytes that are in use.
# TYPE go_memstats_heap_inuse_bytes gauge
go_memstats_heap_inuse_bytes 4.333568e+06
...
kata_guest_diskstat{disk="ram5",item="writes_merged"} 0
kata_guest_diskstat{disk="ram6",item="discards"} 0
kata_guest_diskstat{disk="ram6",item="discards_merged"} 0
kata_guest_diskstat{disk="ram6",item="flushes"} 0
kata_guest_diskstat{disk="ram6",item="in_progress"} 0
kata_guest_diskstat{disk="ram6",item="merged"} 0
kata_guest_diskstat{disk="ram6",item="reads"} 0
kata_guest_diskstat{disk="ram6",item="sectors_discarded"} 0
kata_guest_diskstat{disk="ram6",item="sectors_read"} 0
kata_guest_diskstat{disk="ram6",item="sectors_written"} 0
kata_guest_diskstat{disk="ram6",item="time_discarding"} 0
kata_guest_diskstat{disk="ram6",item="time_flushing"} 0
kata_guest_diskstat{disk="ram6",item="time_in_progress"} 0
kata_guest_diskstat{disk="ram6",item="time_reading"} 0
kata_guest_diskstat{disk="ram6",item="time_writing"} 0
kata_guest_diskstat{disk="ram6",item="weighted_time_in_progress"} 0
kata_guest_diskstat{disk="ram6",item="writes"} 0
...
kata_shim_proc_status{item="vmlib"} 1.835008e+06
kata_shim_proc_status{item="vmpeak"} 1.49815296e+09
kata_shim_proc_status{item="vmpin"} 0
kata_shim_proc_status{item="vmpmd"} 0
kata_shim_proc_status{item="vmpte"} 655360
kata_shim_proc_status{item="vmrss"} 3.2768e+07
kata_shim_proc_status{item="vmsize"} 1.431044096e+09
kata_shim_proc_status{item="vmstk"} 196608
kata_shim_proc_status{item="vmswap"} 0
kata_shim_proc_status{item="voluntary_ctxt_switches"} 43
# HELP kata_shim_rpc_durations_histogram_milliseconds RPC latency distributions.
# TYPE kata_shim_rpc_durations_histogram_milliseconds histogram
kata_shim_rpc_durations_histogram_milliseconds_bucket{action="create",le="1"} 0
kata_shim_rpc_durations_histogram_milliseconds_bucket{action="create",le="2"} 0
kata_shim_rpc_durations_histogram_milliseconds_bucket{action="create",le="4"} 0
kata_shim_rpc_durations_histogram_milliseconds_bucket{action="create",le="8"} 0
kata_shim_rpc_durations_histogram_milliseconds_bucket{action="create",le="16"} 0
kata_shim_rpc_durations_histogram_milliseconds_bucket{action="create",le="32"} 0
...
kata_guest_netdev_stat{interface="eth0",item="recv_bytes"} 0
kata_guest_netdev_stat{interface="eth0",item="recv_compressed"} 0
kata_guest_netdev_stat{interface="eth0",item="recv_drop"} 0
kata_guest_netdev_stat{interface="eth0",item="recv_errs"} 0
kata_guest_netdev_stat{interface="eth0",item="recv_fifo"} 0
kata_guest_netdev_stat{interface="eth0",item="recv_frame"} 0
kata_guest_netdev_stat{interface="eth0",item="recv_multicast"} 0
kata_guest_netdev_stat{interface="eth0",item="recv_packets"} 0
kata_guest_netdev_stat{interface="eth0",item="sent_bytes"} 0
kata_guest_netdev_stat{interface="eth0",item="sent_carrier"} 0
kata_guest_netdev_stat{interface="eth0",item="sent_colls"} 0
kata_guest_netdev_stat{interface="eth0",item="sent_compressed"} 0
kata_guest_netdev_stat{interface="eth0",item="sent_drop"} 0
kata_guest_netdev_stat{interface="eth0",item="sent_errs"} 0
kata_guest_netdev_stat{interface="eth0",item="sent_fifo"} 0
kata_guest_netdev_stat{interface="eth0",item="sent_packets"} 0
kata_guest_netdev_stat{interface="eth1",item="recv_bytes"} 0
kata_guest_netdev_stat{interface="eth1",item="recv_compressed"} 0
显示容器状态并立即返回
kata-runtime events --stats <container_id>
该命令返回内容的格式与上一条相同,区别为只显示一次信息后便退出。
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