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：
