变量来源：
1、ansible 系统自带变量
ansible all -m setup 远程主机的所有变量都可直接调用
setup模块可以实现系统中很多系统信息的显示，可以返回每个主机的系统信息包括:版本、主机名、cpu、内存
ansible all -m setup -a 'filter="ansible_nodename"' 查询主机名
ansible all -m setup -a 'filter="ansible_memtotal_mb"' 查询主机内存大小
ansible all -m setup -a 'filter="ansible_distribution_major_version"' 查询系统版本
ansible all -m setup -a 'filter="ansible_processor_vcpus"' 查询主机cpu个数ansible all -i /home/hjk/ansible/hosts -m setup 查看主机上所有变量
172.16.10.252 | SUCCESS => {
"ansible_facts": {
"ansible_all_ipv4_addresses": [
"172.17.0.1",
"172.16.10.252",
"172.18.0.1"
],
"ansible_all_ipv6_addresses": [
"fe80::fbe5:4124:39ae:f14f",
"fe80::e672:feee:a54a:1021",
"fe80::96b6:1411:96cf:fd4e"
],
"ansible_apparmor": {
"status": "disabled"
},
"ansible_architecture": "x86_64",
"ansible_bios_date": "12/12/2018",
"ansible_bios_version": "6.00",
"ansible_br_5c32f59561fb": {
"active": false,
"device": "br-5c32f59561fb",
"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_gro_hw": "off [fixed]",
"rx_udp_tunnel_port_offload": "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_csum_segmentation": "on",
"tx_gre_segmentation": "on",
"tx_gso_partial": "on",
"tx_gso_robust": "on",
"tx_ipip_segmentation": "on",
"tx_lockless": "on [fixed]",
"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_mangleid_segmentation": "on",
"tx_tcp_segmentation": "on",
"tx_udp_tnl_csum_segmentation": "on",
"tx_udp_tnl_segmentation": "on",
"tx_vlan_offload": "on",
"tx_vlan_stag_hw_insert": "on",
"udp_fragmentation_offload": "on",
"vlan_challenged": "off [fixed]"
},
"hw_timestamp_filters": [],
"id": "8000.024252cd7b29",
"interfaces": [],
"ipv4": {
"address": "172.18.0.1",
"broadcast": "172.18.255.255",
"netmask": "255.255.0.0",
"network": "172.18.0.0"
},
"macaddress": "02:42:52:cd:7b:29",
"mtu": 1500,
"promisc": false,
"stp": false,
"timestamping": [
"rx_software",
"software"
],
"type": "bridge"
},
"ansible_cmdline": {
"BOOT_IMAGE": "/vmlinuz-3.10.0-1160.el7.x86_64",
"LANG": "en_US.UTF-8",
"crashkernel": "auto",
"quiet": true,
"rd.lvm.lv": "centos/swap",
"rhgb": true,
"ro": true,
"root": "/dev/mapper/centos-root"
},
"ansible_date_time": {
"date": "2022-03-03",
"day": "03",
"epoch": "1646290989",
"hour": "15",
"iso8601": "2022-03-03T07:03:09Z",
"iso8601_basic": "20220303T150309223680",
"iso8601_basic_short": "20220303T150309",
"iso8601_micro": "2022-03-03T07:03:09.223680Z",
"minute": "03",
"month": "03",
"second": "09",
"time": "15:03:09",
"tz": "CST",
"tz_offset": "+0800",
"weekday": "星期四",
"weekday_number": "4",
"weeknumber": "09",
"year": "2022"
},
"ansible_default_ipv4": {
"address": "172.16.10.252",
"alias": "ens192",
"broadcast": "172.16.10.255",
"gateway": "172.16.10.1",
"interface": "ens192",
"macaddress": "00:0c:29:f4:c5:0a",
"mtu": 1500,
"netmask": "255.255.255.0",
"network": "172.16.10.0",
"type": "ether"
},
"ansible_default_ipv6": {},
"ansible_device_links": {
"ids": {
"dm-0": [
"dm-name-centos-root",
"dm-uuid-LVM-GzMH6f8Hne1SF4h89qn95E0xftx8JRkbupKlP7AbiZe3YhaYYN5EelULsGTVXVer"
],
"dm-1": [
"dm-name-centos-swap",
"dm-uuid-LVM-GzMH6f8Hne1SF4h89qn95E0xftx8JRkb7QzZhtjgGsZjPutQIenGASzouUo0WhOA"
],
"sda2": [
"lvm-pv-uuid-DQGZrB-2WRU-JneT-xKKw-WFSN-ozM9-rnW0S4"
],
"sr0": [
"ata-VMware_Virtual_SATA_CDRW_Drive_00000000000000000001"
]
},
"labels": {},
"masters": {
"sda2": [
"dm-0",
"dm-1"
]
},
"uuids": {
"dm-0": [
"a8e67b40-8e6e-4010-a911-21b4f95b90bf"
],
"dm-1": [
"326cb3bd-ea93-460d-9f2b-cded2d3836c8"
],
"sda1": [
"e1e8eda5-8b7a-45f0-a763-8868777e3f5f"
]
}
},
"ansible_devices": {
"dm-0": {
"holders": [],
"host": "",
"links": {
"ids": [
"dm-name-centos-root",
"dm-uuid-LVM-GzMH6f8Hne1SF4h89qn95E0xftx8JRkbupKlP7AbiZe3YhaYYN5EelULsGTVXVer"
],
"labels": [],
"masters": [],
"uuids": [
"a8e67b40-8e6e-4010-a911-21b4f95b90bf"
]
},
"model": null,
"partitions": {},
"removable": "0",
"rotational": "1",
"sas_address": null,
"sas_device_handle": null,
"scheduler_mode": "",
"sectors": "54517760",
"sectorsize": "512",
"size": "26.00 GB",
"support_discard": "512",
"vendor": null,
"virtual": 1
},
"dm-1": {
"holders": [],
"host": "",
"links": {
"ids": [
"dm-name-centos-swap",
"dm-uuid-LVM-GzMH6f8Hne1SF4h89qn95E0xftx8JRkb7QzZhtjgGsZjPutQIenGASzouUo0WhOA"
],
"labels": [],
"masters": [],
"uuids": [
"326cb3bd-ea93-460d-9f2b-cded2d3836c8"
]
},
"model": null,
"partitions": {},
"removable": "0",
"rotational": "1",
"sas_address": null,
"sas_device_handle": null,
"scheduler_mode": "",
"sectors": "6291456",
"sectorsize": "512",
"size": "3.00 GB",
"support_discard": "512",
"vendor": null,
"virtual": 1
},
"sda": {
"holders": [],
"host": "Serial Attached SCSI controller: VMware PVSCSI SCSI Controller (rev 02)",
"links": {
"ids": [],
"labels": [],
"masters": [],
"uuids": []
},
"model": "Virtual disk",
"partitions": {
"sda1": {
"holders": [],
"links": {
"ids": [],
"labels": [],
"masters": [],
"uuids": [
"e1e8eda5-8b7a-45f0-a763-8868777e3f5f"
]
},
"sectors": "2097152",
"sectorsize": 512,
"size": "1.00 GB",
"start": "2048",
"uuid": "e1e8eda5-8b7a-45f0-a763-8868777e3f5f"
},
"sda2": {
"holders": [
"centos-root",
"centos-swap"
],
"links": {
"ids": [
"lvm-pv-uuid-DQGZrB-2WRU-JneT-xKKw-WFSN-ozM9-rnW0S4"
],
"labels": [],
"masters": [
"dm-0",
"dm-1"
],
"uuids": []
},
"sectors": "60815360",
"sectorsize": 512,
"size": "29.00 GB",
"start": "2099200",
"uuid": null
}
},
"removable": "0",
"rotational": "1",
"sas_address": null,
"sas_device_handle": null,
"scheduler_mode": "deadline",
"sectors": "62914560",
"sectorsize": "512",
"size": "30.00 GB",
"support_discard": "512",
"vendor": "VMware",
"virtual": 1
},
"sr0": {
"holders": [],
"host": "SATA controller: VMware SATA AHCI controller",
"links": {
"ids": [
"ata-VMware_Virtual_SATA_CDRW_Drive_00000000000000000001"
],
"labels": [],
"masters": [],
"uuids": []
},
"model": "VMware SATA CD00",
"partitions": {},
"removable": "1",
"rotational": "1",
"sas_address": null,
"sas_device_handle": null,
"scheduler_mode": "deadline",
"sectors": "2097151",
"sectorsize": "512",
"size": "1024.00 MB",
"support_discard": "0",
"vendor": "NECVMWar",
"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": "7.9",
"ansible_dns": {
"nameservers": [
"114.114.114.114"
]
},
"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_gro_hw": "off [fixed]",
"rx_udp_tunnel_port_offload": "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_csum_segmentation": "on",
"tx_gre_segmentation": "on",
"tx_gso_partial": "on",
"tx_gso_robust": "on",
"tx_ipip_segmentation": "on",
"tx_lockless": "on [fixed]",
"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_mangleid_segmentation": "on",
"tx_tcp_segmentation": "on",
"tx_udp_tnl_csum_segmentation": "on",
"tx_udp_tnl_segmentation": "on",
"tx_vlan_offload": "on",
"tx_vlan_stag_hw_insert": "on",
"udp_fragmentation_offload": "on",
"vlan_challenged": "off [fixed]"
},
"hw_timestamp_filters": [],
"id": "8000.0242637ea75c",
"interfaces": [],
"ipv4": {
"address": "172.17.0.1",
"broadcast": "172.17.255.255",
"netmask": "255.255.0.0",
"network": "172.17.0.0"
},
"macaddress": "02:42:63:7e:a7:5c",
"mtu": 1500,
"promisc": false,
"stp": false,
"timestamping": [
"rx_software",
"software"
],
"type": "bridge"
},
"ansible_domain": "localdomain",
"ansible_effective_group_id": 1000,
"ansible_effective_user_id": 1000,
"ansible_ens192": {
"active": true,
"device": "ens192",
"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",
"loopback": "off [fixed]",
"netns_local": "off [fixed]",
"ntuple_filters": "off [fixed]",
"receive_hashing": "on",
"rx_all": "off [fixed]",
"rx_checksumming": "on",
"rx_fcs": "off [fixed]",
"rx_gro_hw": "off [fixed]",
"rx_udp_tunnel_port_offload": "off [fixed]",
"rx_vlan_filter": "on [fixed]",
"rx_vlan_offload": "on",
"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_csum_segmentation": "off [fixed]",
"tx_gre_segmentation": "off [fixed]",
"tx_gso_partial": "off [fixed]",
"tx_gso_robust": "off [fixed]",
"tx_ipip_segmentation": "off [fixed]",
"tx_lockless": "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": "off [fixed]",
"tx_tcp_mangleid_segmentation": "off",
"tx_tcp_segmentation": "on",
"tx_udp_tnl_csum_segmentation": "off [fixed]",
"tx_udp_tnl_segmentation": "off [fixed]",
"tx_vlan_offload": "on",
"tx_vlan_stag_hw_insert": "off [fixed]",
"udp_fragmentation_offload": "off [fixed]",
"vlan_challenged": "off [fixed]"
},
"hw_timestamp_filters": [],
"ipv4": {
"address": "172.16.10.252",
"broadcast": "172.16.10.255",
"netmask": "255.255.255.0",
"network": "172.16.10.0"
},
"ipv6": [
{
"address": "fe80::fbe5:4124:39ae:f14f",
"prefix": "64",
"scope": "link"
},
{
"address": "fe80::e672:feee:a54a:1021",
"prefix": "64",
"scope": "link"
},
{
"address": "fe80::96b6:1411:96cf:fd4e",
"prefix": "64",
"scope": "link"
}
],
"macaddress": "00:0c:29:f4:c5:0a",
"module": "vmxnet3",
"mtu": 1500,
"pciid": "0000:0b:00.0",
"promisc": false,
"speed": 10000,
"timestamping": [
"rx_software",
"software"
],
"type": "ether"
},
"ansible_env": {
"HOME": "/home/hjk",
"LANG": "zh_CN.UTF-8",
"LESSOPEN": "||/usr/bin/lesspipe.sh %s",
"LOGNAME": "hjk",
"LS_COLORS": "rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=01;05;37;41:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.axv=01;35:*.anx=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=01;36:*.au=01;36:*.flac=01;36:*.mid=01;36:*.midi=01;36:*.mka=01;36:*.mp3=01;36:*.mpc=01;36:*.ogg=01;36:*.ra=01;36:*.wav=01;36:*.axa=01;36:*.oga=01;36:*.spx=01;36:*.xspf=01;36:",
"MAIL": "/var/mail/hjk",
"PATH": "/usr/local/bin:/usr/bin",
"PWD": "/home/hjk",
"SHELL": "/bin/bash",
"SHLVL": "2",
"SSH_CLIENT": "172.16.10.37 28114 16722",
"SSH_CONNECTION": "172.16.10.37 28114 172.16.10.252 16722",
"SSH_TTY": "/dev/pts/0",
"TERM": "xterm",
"USER": "hjk",
"XDG_RUNTIME_DIR": "/run/user/1000",
"XDG_SESSION_ID": "462",
"_": "/usr/bin/python"
},
"ansible_fibre_channel_wwn": [],
"ansible_fips": false,
"ansible_form_factor": "Other",
"ansible_fqdn": "localhost.localdomain",
"ansible_hostname": "localhost",
"ansible_hostnqn": "",
"ansible_interfaces": [
"lo",
"ens192",
"docker0",
"br-5c32f59561fb"
],
"ansible_is_chroot": true,
"ansible_iscsi_iqn": "",
"ansible_kernel": "3.10.0-1160.el7.x86_64",
"ansible_kernel_version": "#1 SMP Mon Oct 19 16:18:59 UTC 2020",
"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_gro_hw": "off [fixed]",
"rx_udp_tunnel_port_offload": "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_csum_segmentation": "off [fixed]",
"tx_gre_segmentation": "off [fixed]",
"tx_gso_partial": "off [fixed]",
"tx_gso_robust": "off [fixed]",
"tx_ipip_segmentation": "off [fixed]",
"tx_lockless": "on [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_mangleid_segmentation": "on",
"tx_tcp_segmentation": "on",
"tx_udp_tnl_csum_segmentation": "off [fixed]",
"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": "",
"netmask": "255.0.0.0",
"network": "127.0.0.0"
},
"ipv6": [
{
"address": "::1",
"prefix": "128",
"scope": "host"
}
],
"mtu": 65536,
"promisc": false,
"timestamping": [
"rx_software",
"software"
],
"type": "loopback"
},
"ansible_local": {},
"ansible_lsb": {},
"ansible_machine": "x86_64",
"ansible_machine_id": "ecf28a9e134042fa9f4e62df68b558f1",
"ansible_memfree_mb": 10963,
"ansible_memory_mb": {
"nocache": {
"free": 14601,
"used": 1284
},
"real": {
"free": 10963,
"total": 15885,
"used": 4922
},
"swap": {
"cached": 0,
"free": 3071,
"total": 3071,
"used": 0
}
},
"ansible_memtotal_mb": 15885,
"ansible_mounts": [
{
"block_available": 221190,
"block_size": 4096,
"block_total": 259584,
"block_used": 38394,
"device": "/dev/sda1",
"fstype": "xfs",
"inode_available": 523961,
"inode_total": 524288,
"inode_used": 327,
"mount": "/boot",
"options": "rw,relatime,attr2,inode64,noquota",
"size_available": 905994240,
"size_total": 1063256064,
"uuid": "e1e8eda5-8b7a-45f0-a763-8868777e3f5f"
},
{
"block_available": 3150247,
"block_size": 4096,
"block_total": 6811393,
"block_used": 3661146,
"device": "/dev/mapper/centos-root",
"fstype": "xfs",
"inode_available": 13153345,
"inode_total": 13629440,
"inode_used": 476095,
"mount": "/",
"options": "rw,relatime,attr2,inode64,noquota",
"size_available": 12903411712,
"size_total": 27899465728,
"uuid": "a8e67b40-8e6e-4010-a911-21b4f95b90bf"
}
],
"ansible_nodename": "localhost.localdomain",
"ansible_os_family": "RedHat",
"ansible_pkg_mgr": "yum",
"ansible_proc_cmdline": {
"BOOT_IMAGE": "/vmlinuz-3.10.0-1160.el7.x86_64",
"LANG": "en_US.UTF-8",
"crashkernel": "auto",
"quiet": true,
"rd.lvm.lv": [
"centos/root",
"centos/swap"
],
"rhgb": true,
"ro": true,
"root": "/dev/mapper/centos-root"
},
"ansible_processor": [
"0",
"GenuineIntel",
"Intel(R) Xeon(R) Silver 4214R CPU @ 2.40GHz",
"1",
"GenuineIntel",
"Intel(R) Xeon(R) Silver 4214R CPU @ 2.40GHz",
"2",
"GenuineIntel",
"Intel(R) Xeon(R) Silver 4214R CPU @ 2.40GHz",
"3",
"GenuineIntel",
"Intel(R) Xeon(R) Silver 4214R CPU @ 2.40GHz"
],
"ansible_processor_cores": 1,
"ansible_processor_count": 4,
"ansible_processor_threads_per_core": 1,
"ansible_processor_vcpus": 4,
"ansible_product_name": "VMware Virtual Platform",
"ansible_product_serial": "NA",
"ansible_product_uuid": "NA",
"ansible_product_version": "None",
"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": 1000,
"ansible_real_user_id": 1000,
"ansible_selinux": {
"status": "disabled"
},
"ansible_selinux_python_present": true,
"ansible_service_mgr": "systemd",
"ansible_ssh_host_key_ecdsa_public": "AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBMGlWdv0pq7+dyhuVgaLnMOfr/weiNbWUijGarn4toCBz/3F4e9YrJ/zYozWfXEbBK9AHLri98rfm1BQrZVd/AA=",
"ansible_ssh_host_key_ed25519_public": "AAAAC3NzaC1lZDI1NTE5AAAAIPHP0kHC8HiNxkMmgqG6rYvil/TuyUxgTmzJMSxEZWDP",
"ansible_ssh_host_key_rsa_public": "AAAAB3NzaC1yc2EAAAADAQABAAABAQDW0V3JaUWO8QcBNNnnBIqfyvtaeuLXGVxsaec92FTXOxrE+eHYirwpGfWBq6WuKo1jcST9M7tPCqWnWTf8sPRmZDgUFXsjgwSOibZOBL/ZKqe/f5ns/EXdBky19Rh9Y6ZVxiLYdEcQP796yJYVX/S0qHk/+GXRqjEZ//GuIF+eefAlDrTPZuH3JaLUhg48E232zkPoTJcpL1p/vtxdNW/mhq9yoh8mT2AgU+LFLHvPkMOlp2fckI4INojWrMaC/mYfGxyt1amCd16PKqilg7/HHNJGWJV/GT1MJb2UQarDLg5OB0RAf3xRxrCc0bpoXk5Rlb/AW3NvXC1VdqsU1i+H",
"ansible_swapfree_mb": 3071,
"ansible_swaptotal_mb": 3071,
"ansible_system": "Linux",
"ansible_system_capabilities": [
""
],
"ansible_system_capabilities_enforced": "True",
"ansible_system_vendor": "VMware, Inc.",
"ansible_uptime_seconds": 1382378,
"ansible_user_dir": "/home/hjk",
"ansible_user_gecos": "hjk",
"ansible_user_gid": 1000,
"ansible_user_id": "hjk",
"ansible_user_shell": "/bin/bash",
"ansible_user_uid": 1000,
"ansible_userspace_architecture": "x86_64",
"ansible_userspace_bits": "64",
"ansible_virtualization_role": "guest",
"ansible_virtualization_type": "VMware",
"discovered_interpreter_python": "/usr/bin/python",
"gather_subset": [
"all"
],
"module_setup": true
},
"changed": false
}
示例： 根据ansible_fqdn 系统自带变量，创建文件
---
- hosts: all
remote_user: root
tasks:
- name: "create log file"
file:
name: "/var/log/{{ ansible_fqdn }}"
state: touch2、invertory参数【hosts(主机清单)中定义的变量】
普通变量：主机组中主机单独定义，优先级高于公共变量(单个主机 )
公共(组)变量：针对主机组中所有主机定义统一变量(一组主机的同一类别)
在主机清单中定义变量,在ansible中使用变量
普通变量:
[test]
192.168.99.101 http_port=8080 hname=www1
192.168.99.102 http_port=80 hname=www2
公共（组）变量:
[test:vars]
http_port=808
mark=”_”
ansible websvrs –m hostname –a ‘name={{ hname }}{{ mark }}{{ http_port }}’
命令行指定变量：[命令行的优先级最高]
ansible websvrs –e http_port=8000 –m hostname –a ‘name={{ hname }}{{ mark }}{{ http_port }}’
3、通过命令行指定变量【优先级最高】
示例：var.yml
---
- hosts: all
remote_user: root
tasks:
- name: install package
yum: name={{ pkname }} state=present
ansible-playbook –e pkname=httpd var.yml4、在playbook中定义变量
示例：var.yml
---
- hosts: test
remote_user: root
vars:
- username: user1
- groupname: group1
tasks:
- name: create user
user: name={{ username }} state=present
- name: create group
group: name={{ groupname }} state=present ansible-playbook -e “username=test11 groupname=test22” var2.yml
5、在独立的变量YAML文件中定义
示例：vars.yml
var1: httpd
var2: nginx---
- hosts: 172.16.10.252
remote_user: root
vars_files:
- vars.yml
tasks:
- name: create httpd log
file:
name: "/{{ var1 }}.log"
state: touch
- name: create nginx log
file:
name: "/{{ var2 }}.log"
state: touch6、在role中定义
见后面补充！！！
7、register变量 [把任务的输出定义为变量，然后用于其他任务]
注意： register变量的命名不能用
-中横线，可以使用_ 横线； 另外 ignore_errors 这个关键字很重要，一定要配合设置成True，否则如果命令执行不成功，即 echo $?不为0，则在其语句后面的ansible语句不会被执行，导致程序中止。示例：sda6.yml
---
- hosts: 172.16.10.252
remote_user: root
tasks:
- name: install httpd server
yum: name=httpd state=present
tags: yum
- name: service httpd server
service: name=httpd state=started
- name: check httpd server
shell: ps aux | grep httpd
register: check_httpd
ignore_errors: True
- name: output variables
debug: msg="{{ check_httpd }}"
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