【ansible】facts 获取硬件信息

facts 指的是 ansible_facts 变量,ansible 中使用 setup 模块来获取,包含系统的大部分基础硬件信息,

[root@10_1_162_39 host_vars]# ll
total 16
-rw-r--r-- 1 root root   44 May  5 14:55 hosts
-rw-r--r-- 1 root root  134 May  5 09:40 test1.yaml
-rw-r--r-- 1 root root  200 May  5 16:56 test.playbook

获取所有变量的命令如下,其中的变量可以在 playbook 入口 yaml 文件中使用,本文在 test.playbook 中引用

[root@10_1_162_39 host_vars]# ansible 10.1.162.18 -m setup -i hosts 
10.1.162.18 | SUCCESS => {
    "ansible_facts": {
        "ansible_all_ipv4_addresses": [
            "192.168.238.129"
        ], 
        "ansible_all_ipv6_addresses": [
            "fe80::20c:29ff:fe21:bd17"
        ], 
        "ansible_architecture": "x86_64", 
        "ansible_bios_date": "07/02/2015", 
        "ansible_bios_version": "6.00", 
        "ansible_cmdline": {
            "BOOT_IMAGE": "vmlinuz0", 
            "initrd": "initrd0.img", 
            "liveimg": true, 
            "nodiskmount": true, 
            "nolvmmount": true, 
            "quiet": true, 
            "rd.dm": "0", 
            "rd.luks": "0", 
            "rd.md": "0", 
            "rhgb": true, 
            "ro": true, 
            "root": "live:CDLABEL=CentOS-6.8-x86_64-LiveCD", 
            "rootfstype": "auto"
        }, 
        "ansible_date_time": {
            "date": "2017-05-05", 
            "day": "05", 
            "epoch": "1494018155", 
            "hour": "17", 
            "iso8601": "2017-05-05T21:02:35Z", 
            "iso8601_basic": "20170505T170235836807", 
            "iso8601_basic_short": "20170505T170235", 
            "iso8601_micro": "2017-05-05T21:02:35.836916Z", 
            "minute": "02", 
            "month": "05", 
            "second": "35", 
            "time": "17:02:35", 
            "tz": "EDT", 
            "tz_offset": "-0400", 
            "weekday": "Friday", 
            "weekday_number": "5", 
            "weeknumber": "18", 
            "year": "2017"
        }, 
        "ansible_default_ipv4": {
            "address": "192.168.238.129", 
            "alias": "eth0", 
            "broadcast": "192.168.238.255", 
            "gateway": "192.168.238.2", 
            "interface": "eth0", 
            "macaddress": "00:0c:29:21:bd:17", 
            "mtu": 1500, 
            "netmask": "255.255.255.0", 
            "network": "192.168.238.0", 
            "type": "ether"
        }, 
        "ansible_default_ipv6": {}, 
        "ansible_devices": {
            "sda": {
                "holders": [], 
                "host": "SCSI storage controller: LSI Logic / Symbios Logic 53c1030 PCI-X Fusion-MPT Dual Ultra320 SCSI (rev 01)", 
                "model": "VMware Virtual S", 
                "partitions": {
                    "sda1": {
                        "holders": [], 
                        "sectors": "41929587", 
                        "sectorsize": 512, 
                        "size": "19.99 GB", 
                        "start": "63", 
                        "uuid": "e211add0-38ea-4214-9c56-b193e6749d4f"
                    }
                }, 
                "removable": "0", 
                "rotational": "1", 
                "sas_address": null, 
                "sas_device_handle": null, 
                "scheduler_mode": "cfq", 
                "sectors": "41943040", 
                "sectorsize": "512", 
                "size": "20.00 GB", 
                "support_discard": "0", 
                "vendor": "VMware,"
            }, 
            "sr0": {
                "holders": [], 
                "host": "IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01)", 
                "model": "VMware IDE CDR10", 
                "partitions": {}, 
                "removable": "1", 
                "rotational": "1", 
                "sas_address": null, 
                "sas_device_handle": null, 
                "scheduler_mode": "cfq", 
                "sectors": "1437696", 
                "sectorsize": "2048", 
                "size": "2.74 GB", 
                "support_discard": "0", 
                "vendor": "NECVMWar"
            }
        }, 
        "ansible_distribution": "CentOS", 
        "ansible_distribution_major_version": "6", 
        "ansible_distribution_release": "Final", 
        "ansible_distribution_version": "6.8", 
        "ansible_dns": {
            "domain": "localdomain", 
            "nameservers": [
                "192.168.238.2"
            ], 
            "search": [
                "localdomain", 
                "centos"
            ]
        }, 
        "ansible_domain": "centos", 
        "ansible_env": {
            "G_BROKEN_FILENAMES": "1", 
            "HOME": "/root", 
            "LANG": "en_US.UTF-8", 
            "LESSOPEN": "||/usr/bin/lesspipe.sh %s", 
            "LOGNAME": "root", 
            "MAIL": "/var/mail/root", 
            "PATH": "/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin", 
            "PWD": "/root", 
            "SELINUX_LEVEL_REQUESTED": "", 
            "SELINUX_ROLE_REQUESTED": "", 
            "SELINUX_USE_CURRENT_RANGE": "", 
            "SHELL": "/bin/bash", 
            "SHLVL": "2", 
            "SSH_ASKPASS": "/usr/libexec/openssh/gnome-ssh-askpass", 
            "SSH_CLIENT": "10.1.162.39 39522 22", 
            "SSH_CONNECTION": "10.1.162.39 39522 192.168.238.129 22", 
            "SSH_TTY": "/dev/pts/5", 
            "TERM": "linux", 
            "USER": "root", 
            "_": "/usr/bin/python"
        }, 
        "ansible_eth0": {
            "active": true, 
            "device": "eth0", 
            "features": {
                "fcoe_mtu": "off [fixed]", 
                "generic_receive_offload": "on", 
                "generic_segmentation_offload": "off [requested on]", 
                "highdma": "off [fixed]", 
                "large_receive_offload": "off [fixed]", 
                "loopback": "off [fixed]", 
                "netns_local": "off [fixed]", 
                "ntuple_filters": "off [fixed]", 
                "receive_hashing": "off [fixed]", 
                "rx_checksumming": "off [fixed]", 
                "rx_vlan_filter": "off [fixed]", 
                "rx_vlan_offload": "off [fixed]", 
                "scatter_gather": "off", 
                "tcp_segmentation_offload": "off", 
                "tx_checksum_fcoe_crc": "off [fixed]", 
                "tx_checksum_ip_generic": "off [fixed]", 
                "tx_checksum_ipv4": "off [fixed]", 
                "tx_checksum_ipv6": "off [fixed]", 
                "tx_checksum_sctp": "off [fixed]", 
                "tx_checksum_unneeded": "off [fixed]", 
                "tx_checksumming": "off", 
                "tx_fcoe_segmentation": "off [fixed]", 
                "tx_gre_segmentation": "off [fixed]", 
                "tx_gso_robust": "off [fixed]", 
                "tx_lockless": "off [fixed]", 
                "tx_scatter_gather": "off [fixed]", 
                "tx_scatter_gather_fraglist": "off [fixed]", 
                "tx_tcp6_segmentation": "off [fixed]", 
                "tx_tcp_ecn_segmentation": "off [fixed]", 
                "tx_tcp_segmentation": "off [fixed]", 
                "tx_udp_tnl_segmentation": "off [fixed]", 
                "tx_vlan_offload": "off [fixed]", 
                "udp_fragmentation_offload": "off [fixed]", 
                "vlan_challenged": "off [fixed]"
            }, 
            "ipv4": {
                "address": "192.168.238.129", 
                "broadcast": "192.168.238.255", 
                "netmask": "255.255.255.0", 
                "network": "192.168.238.0"
            }, 
            "ipv6": [
                {
                    "address": "fe80::20c:29ff:fe21:bd17", 
                    "prefix": "64", 
                    "scope": "link"
                }
            ], 
            "macaddress": "00:0c:29:21:bd:17", 
            "module": "pcnet32", 
            "mtu": 1500, 
            "pciid": "0000:02:01.0", 
            "promisc": false, 
            "type": "ether"
        }, 
        "ansible_fips": false, 
        "ansible_form_factor": "Other", 
        "ansible_fqdn": "livecd.centos", 
        "ansible_gather_subset": [
            "hardware", 
            "network", 
            "virtual"
        ], 
        "ansible_hostname": "livecd", 
        "ansible_interfaces": [
            "lo", 
            "eth0"
        ], 
        "ansible_kernel": "2.6.32-642.el6.x86_64", 
        "ansible_lo": {
            "active": true, 
            "device": "lo", 
            "features": {
                "fcoe_mtu": "off [fixed]", 
                "generic_receive_offload": "on", 
                "generic_segmentation_offload": "on", 
                "highdma": "on [fixed]", 
                "large_receive_offload": "off [fixed]", 
                "loopback": "on [fixed]", 
                "netns_local": "on [fixed]", 
                "ntuple_filters": "off [fixed]", 
                "receive_hashing": "off [fixed]", 
                "rx_checksumming": "on [fixed]", 
                "rx_vlan_filter": "off [fixed]", 
                "rx_vlan_offload": "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": "off [fixed]", 
                "tx_checksum_unneeded": "off [fixed]", 
                "tx_checksumming": "on", 
                "tx_fcoe_segmentation": "off [fixed]", 
                "tx_gre_segmentation": "off [fixed]", 
                "tx_gso_robust": "off [fixed]", 
                "tx_lockless": "on [fixed]", 
                "tx_scatter_gather": "on [fixed]", 
                "tx_scatter_gather_fraglist": "on [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]", 
                "udp_fragmentation_offload": "on", 
                "vlan_challenged": "on [fixed]"
            }, 
            "ipv4": {
                "address": "127.0.0.1", 
                "broadcast": "host", 
                "netmask": "255.0.0.0", 
                "network": "127.0.0.0"
            }, 
            "ipv6": [
                {
                    "address": "::1", 
                    "prefix": "128", 
                    "scope": "host"
                }
            ], 
            "mtu": 65536, 
            "promisc": false, 
            "type": "loopback"
        }, 
        "ansible_lvm": {
            "lvs": {}, 
            "vgs": {}
        }, 
        "ansible_machine": "x86_64", 
        "ansible_machine_id": "fbd601d6c3cc5bbb8e9b21b300000010", 
        "ansible_memfree_mb": 72, 
        "ansible_memory_mb": {
            "nocache": {
                "free": 682, 
                "used": 314
            }, 
            "real": {
                "free": 72, 
                "total": 996, 
                "used": 924
            }, 
            "swap": {
                "cached": 0, 
                "free": 0, 
                "total": 0, 
                "used": 0
            }
        }, 
        "ansible_memtotal_mb": 996, 
        "ansible_mounts": [
            {
                "device": "/dev/mapper/live-rw", 
                "fstype": "ext4", 
                "mount": "/", 
                "options": "rw,noatime", 
                "size_available": 2155237376, 
                "size_total": 4093313024, 
                "uuid": "N/A"
            }, 
            {
                "device": "/dev/sr0", 
                "fstype": "iso9660", 
                "mount": "/mnt/live", 
                "options": "ro", 
                "size_available": 0, 
                "size_total": 735934464, 
                "uuid": "N/A"
            }, 
            {
                "device": "/tmp", 
                "fstype": "tmpfs", 
                "mount": "/tmp", 
                "options": "rw,rootcontext=\"system_u:object_r:tmp_t:s0\"", 
                "size_available": 521654272, 
                "size_total": 522248192, 
                "uuid": "N/A"
            }
        ], 
        "ansible_nodename": "livecd.centos", 
        "ansible_os_family": "RedHat", 
        "ansible_pkg_mgr": "yum", 
        "ansible_processor": [
            "GenuineIntel", 
            "Intel(R) Xeon(R) CPU E5-2650 v3 @ 2.30GHz"
        ], 
        "ansible_processor_cores": 1, 
        "ansible_processor_count": 1, 
        "ansible_processor_threads_per_core": 1, 
        "ansible_processor_vcpus": 1, 
        "ansible_product_name": "VMware Virtual Platform", 
        "ansible_product_serial": "VMware-56 4d e4 27 2b 45 f8 74-e5 17 57 47 ab 21 bd 17", 
        "ansible_product_uuid": "564DE427-2B45-F874-E517-5747AB21BD17", 
        "ansible_product_version": "None", 
        "ansible_python": {
            "executable": "/usr/bin/python", 
            "has_sslcontext": false, 
            "type": "CPython", 
            "version": {
                "major": 2, 
                "micro": 6, 
                "minor": 6, 
                "releaselevel": "final", 
                "serial": 0
            }, 
            "version_info": [
                2, 
                6, 
                6, 
                "final", 
                0
            ]
        }, 
        "ansible_python_version": "2.6.6", 
        "ansible_selinux": {
            "config_mode": "enforcing", 
            "mode": "enforcing", 
            "policyvers": 24, 
            "status": "enabled", 
            "type": "targeted"
        }, 
        "ansible_service_mgr": "upstart", 
        "ansible_ssh_host_key_dsa_public": "AAAAB3NzaC1kc3MAAACBAN7JNklx9irSPQZeO+xeiUhXNoETLapnTGkcm3ZR/WDqm1HxX+8EPELNzPK0/kUEIouJTQN07vq/Rqhrm0wGO04JzohixiaAIlgxlWqM7aRtgJ29seZZw0SZ2EVnqfalLqO8kPYjqCXL8QBZVJOdvqLwzz/pOxuHGFHh5uKj5SN5AAAAFQCGSiIuqxBcCVS8CYUWjez4HmuatwAAAIBLJj4V3WOo6+9JVmy2RpBJkLimjEGSfsmUEMyRcggTWyBwMnKC4AweZOoGzgBoBtXm4rCgQdzze+jlbL1tQquQQXUoFnaV6eIxRBBOuHa48F3PH4RapLVosBf0U3BfqBZ5l1GhquqPtLug1XfJrUm27JJcuSIc5yVbMkHIoi5KeQAAAIBFR5wRIEyznDQfSMNtctTYExagg/7FOLKtNVOl0J1xbwNOwpF8fUI0OtgWQeHzqDbwTE/Gtp92v6CvEFVTMgcQ+FeUYDcFNPzia+Vdk5C1Un6q8Ejx2hIc+f1Y9fg0yuj6/J0G3kOoIPLOTXFWd1HHSdEr+7dgs8F2F0gsMB/W8/x2Q==", 
        "ansible_ssh_host_key_rsa_public": "AAAAB3NzaC1yc2EAAAABIwAAAQAQEFAqY4Aut3/NGPYJaqMVeVociBafC0Qbc29IKKSy6i0UodrGE3UXAWf/gmNSktkjqZ8UHBiXJAzCAMwyonlm/l4M+ZwYoJ8VjtUZtz/9cGXHS+P2qPID8mMyxvFMn9xd0w623GkSJfqMg0wW9Lwywd4hceq5qp5n8L1tDDCpNxbbAifKXoZmWFejhXU9qzJ8L4Vw/a+XzCbfiTmDifzL7MX2Yt/dy0SWeKbWnjjfDCDtFDtMYh/Uvin/J5FI7JEcSxP/1gjZZO7ivqhQpWNqkqkLgZJ/X2YVODsNh0GaTYfEbOrCKKHbstc0ypppE0bNe91HTSZfvkzkKwV6jzt2T3u8Q==", 
        "ansible_swapfree_mb": 0, 
        "ansible_swaptotal_mb": 0, 
        "ansible_system": "Linux", 
        "ansible_system_capabilities": [], 
        "ansible_system_capabilities_enforced": "False", 
        "ansible_system_vendor": "VMware, Inc.", 
        "ansible_uptime_seconds": 92488, 
        "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": "VMware", 
        "module_setup": true
    }, 
    "changed": false
}
[root@10_1_162_39 host_vars]#

引用变量

[root@10_1_162_39 host_vars]# cat test.playbook 
---
- hosts: "{{ host }}"
  gather_facts: true
  remote_user: root
  tasks:
    - shell: ifconfig
      register: output
    - debug: var=output.stdout
    - debug: msg=" ansible_system={{ ansible_system }}"
    - debug: msg={{ ansible_selinux }}

运行 playbook 命令

[root@10_1_162_39 host_vars]# ansible-playbook test.playbook -i hosts -e host=10.1.162.18

PLAY [10.1.162.18] *************************************************************

TASK [setup] *******************************************************************
ok: [10.1.162.18]

TASK [command] *****************************************************************
changed: [10.1.162.18]

TASK [debug] *******************************************************************
ok: [10.1.162.18] => {
    "output.stdout": "eth0      Link encap:Ethernet  HWaddr 00:0C:29:21:BD:17  \n          inet addr:192.168.238.129  Bcast:192.168.238.255  Mask:255.255.255.0\n          inet6 addr: fe80::20c:29ff:fe21:bd17/64 Scope:Link\n          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1\n          RX packets:309551 errors:0 dropped:0 overruns:0 frame:0\n          TX packets:125322 errors:0 dropped:0 overruns:0 carrier:0\n          collisions:0 txqueuelen:1000 \n          RX bytes:368636410 (351.5 MiB)  TX bytes:7103077 (6.7 MiB)\n          Interrupt:19 Base address:0x2000 \n\nlo        Link encap:Local Loopback  \n          inet addr:127.0.0.1  Mask:255.0.0.0\n          inet6 addr: ::1/128 Scope:Host\n          UP LOOPBACK RUNNING  MTU:65536  Metric:1\n          RX packets:8 errors:0 dropped:0 overruns:0 frame:0\n          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0\n          collisions:0 txqueuelen:0 \n          RX bytes:480 (480.0 b)  TX bytes:480 (480.0 b)"
}

TASK [debug] *******************************************************************
ok: [10.1.162.18] => {
    "msg": " ansible_system=Linux"
}

TASK [debug] *******************************************************************
ok: [10.1.162.18] => {
    "msg": {
        "config_mode": "enforcing", 
        "mode": "enforcing", 
        "policyvers": 24, 
        "status": "enabled", 
        "type": "targeted"
    }
}

PLAY RECAP *********************************************************************
10.1.162.18                : ok=5    changed=1    unreachable=0    failed=0   

[root@10_1_162_39 host_vars]# 

 

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