facts组件是Ansible用于采集被管理机器设备信息的一个功能。
我们可以通过setup模块查看机器的所有facts信息，同时可以使用filter来查看指定信息。
执行ansible 127.0.0.1 -m setup:
148.70.122.28 | SUCCESS => {
"ansible_facts": {
"ansible_all_ipv4_addresses": [
"172.17.0.1",
"172.27.16.8"
],
"ansible_all_ipv6_addresses": [],
"ansible_apparmor": {
"status": "disabled"
},
"ansible_architecture": "x86_64",
"ansible_bios_date": "01/01/2011",
"ansible_bios_version": "Bochs",
"ansible_cmdline": {
"BOOT_IMAGE": "/boot/vmlinuz-3.10.0-514.26.2.el7.x86_64",
"LANG": "C",
"biosdevname": "0",
"console": "tty0",
"crashkernel": "auto",
"net.ifnames": "0",
"panic": "5",
"ro": true,
"root": "/dev/vda1"
},
"ansible_date_time": {
"date": "2019-05-16",
"day": "16",
"epoch": "1558002342",
"hour": "18",
"iso8601": "2019-05-16T10:25:42Z",
"iso8601_basic": "20190516T182542937846",
"iso8601_basic_short": "20190516T182542",
"iso8601_micro": "2019-05-16T10:25:42.937975Z",
"minute": "25",
"month": "05",
"second": "42",
"time": "18:25:42",
"tz": "CST",
"tz_offset": "+0800",
"weekday": "Thursday",
"weekday_number": "4",
"weeknumber": "19",
"year": "2019"
},
"ansible_default_ipv4": {
"address": "172.27.16.8",
"alias": "eth0",
"broadcast": "172.27.31.255",
"gateway": "172.27.16.1",
"interface": "eth0",
"macaddress": "52:54:00:99:f1:f6",
"mtu": 1500,
"netmask": "255.255.240.0",
"network": "172.27.16.0",
"type": "ether"
},
"ansible_default_ipv6": {},
"ansible_device_links": {
"ids": {
"sr0": [
"ata-QEMU_DVD-ROM_QM00002"
]
},
"labels": {
"sr0": [
"config-2"
]
},
"masters": {},
"uuids": {
"sr0": [
"2019-04-03-15-46-34-00"
],
"vda1": [
"49f819fd-e56d-48a4-86d3-7ebe0a68ec88"
]
}
},
"ansible_devices": {
"sr0": {
"holders": [],
"host": "IDE interface: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II]",
"links": {
"ids": [
"ata-QEMU_DVD-ROM_QM00002"
],
"labels": [
"config-2"
],
"masters": [],
"uuids": [
"2019-04-03-15-46-34-00"
]
},
"model": "QEMU DVD-ROM",
"partitions": {},
"removable": "1",
"rotational": "1",
"sas_address": null,
"sas_device_handle": null,
"scheduler_mode": "cfq",
"sectors": "77128",
"sectorsize": "2048",
"size": "37.66 MB",
"support_discard": "0",
"vendor": "QEMU",
"virtual": 1
},
"vda": {
"holders": [],
"host": "SCSI storage controller: Red Hat, Inc Virtio block device",
"links": {
"ids": [],
"labels": [],
"masters": [],
"uuids": []
},
"model": null,
"partitions": {
"vda1": {
"holders": [],
"links": {
"ids": [],
"labels": [],
"masters": [],
"uuids": [
"49f819fd-e56d-48a4-86d3-7ebe0a68ec88"
]
},
"sectors": "104855552",
"sectorsize": 512,
"size": "50.00 GB",
"start": "2048",
"uuid": "49f819fd-e56d-48a4-86d3-7ebe0a68ec88"
}
},
"removable": "0",
"rotational": "1",
"sas_address": null,
"sas_device_handle": null,
"scheduler_mode": "",
"sectors": "104857600",
"sectorsize": "512",
"size": "50.00 GB",
"support_discard": "0",
"vendor": "0x1af4",
"virtual": 1
}
},
"ansible_distribution": "CentOS",
"ansible_distribution_file_parsed": true,
"ansible_distribution_file_path": "/etc/redhat-release",
"ansible_distribution_file_variety": "RedHat",
"ansible_distribution_major_version": "7",
"ansible_distribution_release": "Core",
"ansible_distribution_version": "7.2.1511",
"ansible_dns": {
"nameservers": [
"183.60.83.19",
"183.60.82.98"
]
},
"ansible_docker0": {
"active": false,
"device": "docker0",
"features": {
"busy_poll": "off [fixed]",
"fcoe_mtu": "off [fixed]",
"generic_receive_offload": "on",
"generic_segmentation_offload": "on",
"highdma": "on",
"hw_tc_offload": "off [fixed]",
"l2_fwd_offload": "off [fixed]",
"large_receive_offload": "off [fixed]",
"loopback": "off [fixed]",
"netns_local": "on [fixed]",
"ntuple_filters": "off [fixed]",
"receive_hashing": "off [fixed]",
"rx_all": "off [fixed]",
"rx_checksumming": "off [fixed]",
"rx_fcs": "off [fixed]",
"rx_vlan_filter": "off [fixed]",
"rx_vlan_offload": "off [fixed]",
"rx_vlan_stag_filter": "off [fixed]",
"rx_vlan_stag_hw_parse": "off [fixed]",
"scatter_gather": "on",
"tcp_segmentation_offload": "on",
"tx_checksum_fcoe_crc": "off [fixed]",
"tx_checksum_ip_generic": "on",
"tx_checksum_ipv4": "off [fixed]",
"tx_checksum_ipv6": "off [fixed]",
"tx_checksum_sctp": "off [fixed]",
"tx_checksumming": "on",
"tx_fcoe_segmentation": "on",
"tx_gre_segmentation": "on",
"tx_gso_robust": "on",
"tx_ipip_segmentation": "on",
"tx_lockless": "on [fixed]",
"tx_mpls_segmentation": "on",
"tx_nocache_copy": "off",
"tx_scatter_gather": "on",
"tx_scatter_gather_fraglist": "on",
"tx_sctp_segmentation": "on",
"tx_sit_segmentation": "on",
"tx_tcp6_segmentation": "on",
"tx_tcp_ecn_segmentation": "on",
"tx_tcp_segmentation": "on",
"tx_udp_tnl_segmentation": "on",
"tx_vlan_offload": "on",
"tx_vlan_stag_hw_insert": "off [fixed]",
"udp_fragmentation_offload": "on",
"vlan_challenged": "off [fixed]"
},
"hw_timestamp_filters": [],
"id": "8000.024299ffdab4",
"interfaces": [],
"ipv4": {
"address": "172.17.0.1",
"broadcast": "global",
"netmask": "255.255.0.0",
"network": "172.17.0.0"
},
"macaddress": "02:42:99:ff:da:b4",
"mtu": 1500,
"promisc": false,
"stp": false,
"timestamping": [
"rx_software",
"software"
],
"type": "bridge"
},
"ansible_domain": "",
"ansible_effective_group_id": 0,
"ansible_effective_user_id": 0,
"ansible_env": {
"HISTSIZE": "3000",
"HISTTIMEFORMAT": "%F %T ",
"HOME": "/root",
"LANG": "en_US.utf8",
"LESSOPEN": "||/usr/bin/lesspipe.sh %s",
"LOGNAME": "root",
"MAIL": "/var/mail/root",
"PATH": "/usr/lib64/qt-3.3/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin",
"PROMPT_COMMAND": "history -a; ",
"PWD": "/root",
"QTDIR": "/usr/lib64/qt-3.3",
"QTINC": "/usr/lib64/qt-3.3/include",
"QTLIB": "/usr/lib64/qt-3.3/lib",
"QT_GRAPHICSSYSTEM": "native",
"QT_GRAPHICSSYSTEM_CHECKED": "1",
"SHELL": "/bin/bash",
"SHLVL": "2",
"SSH_CLIENT": "148.70.120.50 42014 22",
"SSH_CONNECTION": "148.70.120.50 42014 172.27.16.8 22",
"SSH_TTY": "/dev/pts/1",
"TERM": "xterm",
"USER": "root",
"XDG_RUNTIME_DIR": "/run/user/0",
"XDG_SESSION_ID": "63175",
"_": "/usr/bin/python"
},
"ansible_eth0": {
"active": true,
"device": "eth0",
"features": {
"busy_poll": "off [fixed]",
"fcoe_mtu": "off [fixed]",
"generic_receive_offload": "on",
"generic_segmentation_offload": "on",
"highdma": "on [fixed]",
"hw_tc_offload": "off [fixed]",
"l2_fwd_offload": "off [fixed]",
"large_receive_offload": "off [fixed]",
"loopback": "off [fixed]",
"netns_local": "off [fixed]",
"ntuple_filters": "off [fixed]",
"receive_hashing": "off [fixed]",
"rx_all": "off [fixed]",
"rx_checksumming": "on [fixed]",
"rx_fcs": "off [fixed]",
"rx_vlan_filter": "on [fixed]",
"rx_vlan_offload": "off [fixed]",
"rx_vlan_stag_filter": "off [fixed]",
"rx_vlan_stag_hw_parse": "off [fixed]",
"scatter_gather": "on",
"tcp_segmentation_offload": "on",
"tx_checksum_fcoe_crc": "off [fixed]",
"tx_checksum_ip_generic": "on",
"tx_checksum_ipv4": "off [fixed]",
"tx_checksum_ipv6": "off [fixed]",
"tx_checksum_sctp": "off [fixed]",
"tx_checksumming": "on",
"tx_fcoe_segmentation": "off [fixed]",
"tx_gre_segmentation": "off [fixed]",
"tx_gso_robust": "off [fixed]",
"tx_ipip_segmentation": "off [fixed]",
"tx_lockless": "off [fixed]",
"tx_mpls_segmentation": "off [fixed]",
"tx_nocache_copy": "off",
"tx_scatter_gather": "on",
"tx_scatter_gather_fraglist": "off [fixed]",
"tx_sctp_segmentation": "off [fixed]",
"tx_sit_segmentation": "off [fixed]",
"tx_tcp6_segmentation": "on",
"tx_tcp_ecn_segmentation": "on",
"tx_tcp_segmentation": "on",
"tx_udp_tnl_segmentation": "off [fixed]",
"tx_vlan_offload": "off [fixed]",
"tx_vlan_stag_hw_insert": "off [fixed]",
"udp_fragmentation_offload": "on",
"vlan_challenged": "off [fixed]"
},
"hw_timestamp_filters": [],
"ipv4": {
"address": "172.27.16.8",
"broadcast": "172.27.31.255",
"netmask": "255.255.240.0",
"network": "172.27.16.0"
},
"macaddress": "52:54:00:99:f1:f6",
"module": "virtio_net",
"mtu": 1500,
"pciid": "virtio0",
"promisc": false,
"timestamping": [
"rx_software",
"software"
],
"type": "ether"
},
"ansible_fips": false,
"ansible_form_factor": "Other",
"ansible_fqdn": "centos2",
"ansible_hostname": "centos2",
"ansible_interfaces": [
"lo",
"docker0",
"eth0"
],
"ansible_is_chroot": false,
"ansible_iscsi_iqn": "",
"ansible_kernel": "3.10.0-514.26.2.el7.x86_64",
"ansible_lo": {
"active": true,
"device": "lo",
"features": {
"busy_poll": "off [fixed]",
"fcoe_mtu": "off [fixed]",
"generic_receive_offload": "on",
"generic_segmentation_offload": "on",
"highdma": "on [fixed]",
"hw_tc_offload": "off [fixed]",
"l2_fwd_offload": "off [fixed]",
"large_receive_offload": "off [fixed]",
"loopback": "on [fixed]",
"netns_local": "on [fixed]",
"ntuple_filters": "off [fixed]",
"receive_hashing": "off [fixed]",
"rx_all": "off [fixed]",
"rx_checksumming": "on [fixed]",
"rx_fcs": "off [fixed]",
"rx_vlan_filter": "off [fixed]",
"rx_vlan_offload": "off [fixed]",
"rx_vlan_stag_filter": "off [fixed]",
"rx_vlan_stag_hw_parse": "off [fixed]",
"scatter_gather": "on",
"tcp_segmentation_offload": "on",
"tx_checksum_fcoe_crc": "off [fixed]",
"tx_checksum_ip_generic": "on [fixed]",
"tx_checksum_ipv4": "off [fixed]",
"tx_checksum_ipv6": "off [fixed]",
"tx_checksum_sctp": "on [fixed]",
"tx_checksumming": "on",
"tx_fcoe_segmentation": "off [fixed]",
"tx_gre_segmentation": "off [fixed]",
"tx_gso_robust": "off [fixed]",
"tx_ipip_segmentation": "off [fixed]",
"tx_lockless": "on [fixed]",
"tx_mpls_segmentation": "off [fixed]",
"tx_nocache_copy": "off [fixed]",
"tx_scatter_gather": "on [fixed]",
"tx_scatter_gather_fraglist": "on [fixed]",
"tx_sctp_segmentation": "on",
"tx_sit_segmentation": "off [fixed]",
"tx_tcp6_segmentation": "on",
"tx_tcp_ecn_segmentation": "on",
"tx_tcp_segmentation": "on",
"tx_udp_tnl_segmentation": "off [fixed]",
"tx_vlan_offload": "off [fixed]",
"tx_vlan_stag_hw_insert": "off [fixed]",
"udp_fragmentation_offload": "on",
"vlan_challenged": "on [fixed]"
},
"hw_timestamp_filters": [],
"ipv4": {
"address": "127.0.0.1",
"broadcast": "host",
"netmask": "255.0.0.0",
"network": "127.0.0.0"
},
"mtu": 65536,
"promisc": false,
"timestamping": [
"rx_software",
"software"
],
"type": "loopback"
},
"ansible_local": {},
"ansible_lsb": {
"codename": "Core",
"description": "CentOS Linux release 7.2.1511 (Core)",
"id": "CentOS",
"major_release": "7",
"release": "7.2.1511"
},
"ansible_lvm": {
"lvs": {},
"pvs": {},
"vgs": {}
},
"ansible_machine": "x86_64",
"ansible_machine_id": "f9d400c5e1e8c3a8209e990d887d4ac1",
"ansible_memfree_mb": 265,
"ansible_memory_mb": {
"nocache": {
"free": 582,
"used": 410
},
"real": {
"free": 265,
"total": 992,
"used": 727
},
"swap": {
"cached": 0,
"free": 0,
"total": 0,
"used": 0
}
},
"ansible_memtotal_mb": 992,
"ansible_mounts": [
{
"block_available": 10919769,
"block_size": 4096,
"block_total": 12868511,
"block_used": 1948742,
"device": "/dev/vda1",
"fstype": "ext3",
"inode_available": 3188297,
"inode_total": 3276800,
"inode_used": 88503,
"mount": "/",
"options": "rw,noatime,data=ordered",
"size_available": 44727373824,
"size_total": 52709421056,
"uuid": "49f819fd-e56d-48a4-86d3-7ebe0a68ec88"
},
{
"block_available": 10919769,
"block_size": 4096,
"block_total": 12868511,
"block_used": 1948742,
"device": "/dev/vda1",
"fstype": "ext3",
"inode_available": 3188297,
"inode_total": 3276800,
"inode_used": 88503,
"mount": "/var/lib/docker/containers",
"options": "rw,noatime,data=ordered,bind",
"size_available": 44727373824,
"size_total": 52709421056,
"uuid": "49f819fd-e56d-48a4-86d3-7ebe0a68ec88"
},
{
"block_available": 10919769,
"block_size": 4096,
"block_total": 12868511,
"block_used": 1948742,
"device": "/dev/vda1",
"fstype": "ext3",
"inode_available": 3188297,
"inode_total": 3276800,
"inode_used": 88503,
"mount": "/var/lib/docker/overlay2",
"options": "rw,noatime,data=ordered,bind",
"size_available": 44727373824,
"size_total": 52709421056,
"uuid": "49f819fd-e56d-48a4-86d3-7ebe0a68ec88"
}
],
"ansible_nodename": "centos2",
"ansible_os_family": "RedHat",
"ansible_pkg_mgr": "yum",
"ansible_processor": [
"0",
"GenuineIntel",
"Intel(R) Xeon(R) CPU E5-26xx v4"
],
"ansible_processor_cores": 1,
"ansible_processor_count": 1,
"ansible_processor_threads_per_core": 1,
"ansible_processor_vcpus": 1,
"ansible_product_name": "Bochs",
"ansible_product_serial": "d713599d-c127-4e85-b7ef-bc19a1de4096",
"ansible_product_uuid": "D713599D-C127-4E85-B7EF-BC19A1DE4096",
"ansible_product_version": "NA",
"ansible_python": {
"executable": "/usr/bin/python",
"has_sslcontext": true,
"type": "CPython",
"version": {
"major": 2,
"micro": 5,
"minor": 7,
"releaselevel": "final",
"serial": 0
},
"version_info": [
2,
7,
5,
"final",
0
]
},
"ansible_python_version": "2.7.5",
"ansible_real_group_id": 0,
"ansible_real_user_id": 0,
"ansible_selinux": {
"status": "disabled"
},
"ansible_selinux_python_present": true,
"ansible_service_mgr": "systemd",
"ansible_ssh_host_key_dsa_public": "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",
"ansible_ssh_host_key_ecdsa_public": "AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBH4O7LDyv61vyUYsu682pMqablZ6L3u+rL4dLORZYGCsz8nzlKs+x9zf4MzlDeV4e39t5xBlknWzQhGLjB44vGE=",
"ansible_ssh_host_key_ed25519_public": "AAAAC3NzaC1lZDI1NTE5AAAAILiS3/9yE2Fq3otdggxsYSrIdYysvNd+7K0QigiMnaOs",
"ansible_ssh_host_key_rsa_public": "AAAAB3NzaC1yc2EAAAADAQABAAABAQCtodyL+bKkUn7Ij0vW8Y3RkYgCdJ4bjvpeo2Efgzc5ih8kSjyyRCcgqPkVUtqW8C7xvpoiapWKQ3PidzB5JZD5CwuRmbxK0XmwrAkFTWx8onY7HZRPBx77dCcIvlyKBTxjqd1+b2UAB87YO/wpxGrcsM/0NVTEHiluX1rmqwOI2MVjjgSb1dcD9DbpD4kp0ebrH9NuCREoIr73gu2SDcTuWKweQqiUPezRB2NjDDpzvnHZLvcoJN7XJmmFHZ/yHX2qEgCWxBWWToG5DyaM4D3SDJChkq3xIXBckpEkM5Q1mjOpaOqLMO4UlP1EvbYYzgQIdzY6efv7xmmhOS2HKuG5",
"ansible_swapfree_mb": 0,
"ansible_swaptotal_mb": 0,
"ansible_system": "Linux",
"ansible_system_capabilities": [
"cap_chown",
"cap_dac_override",
"cap_dac_read_search",
"cap_fowner",
"cap_fsetid",
"cap_kill",
"cap_setgid",
"cap_setuid",
"cap_setpcap",
"cap_linux_immutable",
"cap_net_bind_service",
"cap_net_broadcast",
"cap_net_admin",
"cap_net_raw",
"cap_ipc_lock",
"cap_ipc_owner",
"cap_sys_module",
"cap_sys_rawio",
"cap_sys_chroot",
"cap_sys_ptrace",
"cap_sys_pacct",
"cap_sys_admin",
"cap_sys_boot",
"cap_sys_nice",
"cap_sys_resource",
"cap_sys_time",
"cap_sys_tty_config",
"cap_mknod",
"cap_lease",
"cap_audit_write",
"cap_audit_control",
"cap_setfcap",
"cap_mac_override",
"cap_mac_admin",
"cap_syslog",
"35",
"36+ep"
],
"ansible_system_capabilities_enforced": "True",
"ansible_system_vendor": "Bochs",
"ansible_uptime_seconds": 3724739,
"ansible_user_dir": "/root",
"ansible_user_gecos": "root",
"ansible_user_gid": 0,
"ansible_user_id": "root",
"ansible_user_shell": "/bin/bash",
"ansible_user_uid": 0,
"ansible_userspace_architecture": "x86_64",
"ansible_userspace_bits": "64",
"ansible_virtualization_role": "guest",
"ansible_virtualization_type": "kvm",
"gather_subset": [
"all"
],
"module_setup": true
},
"changed": false
}
使用filter来进行过滤：
来源：https://www.cnblogs.com/yangmingxianshen/p/12656402.html