ansible笔记（15）：变量（二） - 黑帽联盟

ansible test70 -m setup

复制代码

test70 | SUCCESS =>
{
"ansible_facts":{
"ansible_all_ipv4_addresses":[
"192.168.122.1",
"192.168.1.106",
"10.1.1.70",
"172.16.66.70"
],
"ansible_all_ipv6_addresses":Array[2],
"ansible_apparmor":Object{...},
"ansible_architecture":"x86_64",
"ansible_bios_date":"05/19/2017",
"ansible_bios_version":"6.00",
"ansible_cmdline":Object{...},
"ansible_date_time":Object{...},
"ansible_default_ipv4":Object{...},
"ansible_default_ipv6":Object{...},
"ansible_device_links":Object{...},
"ansible_devices":Object{...},
"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":"7.4.1708",
"ansible_dns":Object{...},
"ansible_domain":"",
"ansible_effective_group_id":0,
"ansible_effective_user_id":0,
"ansible_ens33":Object{...},
"ansible_ens34":Object{...},
"ansible_ens35":{
"active":true,
"device":"ens35",
"features":{
"busy_poll":"off [fixed]",
"fcoe_mtu":"off [fixed]",
"generic_receive_offload":"on",
"generic_segmentation_offload":"on",
"highdma":"off [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",
"rx_checksumming":"off",
"rx_fcs":"off",
"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_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":"off [fixed]",
"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 [fixed]",
"tx_vlan_stag_hw_insert":"off [fixed]",
"udp_fragmentation_offload":"off [fixed]",
"vlan_challenged":"off [fixed]"
},
"hw_timestamp_filters":[
],
"ipv4":{
"address":"10.1.1.70",
"broadcast":"10.1.1.255",
"netmask":"255.255.255.0",
"network":"10.1.1.0"
},
"ipv6":[
{
"address":"fe80::250:56ff:fe25:5fb0",
"prefix":"64",
"scope":"link"
}
],
"macaddress":"00:50:56:25:5f:b0",
"module":"e1000",
"mtu":1500,
"pciid":"0000:02:03.0",
"promisc":false,
"speed":1000,
"timestamping":[
"tx_software",
"rx_software",
"software"
],
"type":"ether"
},
"ansible_env":Object{...},
"ansible_fips":false,
"ansible_form_factor":"Other",
"ansible_fqdn":"test70",
"ansible_hostname":"test70",
"ansible_interfaces":Array[6],
"ansible_kernel":"3.10.0-693.el7.x86_64",
"ansible_lo":Object{...},
"ansible_local":Object{...},
"ansible_lsb":Object{...},
"ansible_lvm":Object{...},
"ansible_machine":"x86_64",
"ansible_machine_id":"f6d15ac15f624d3db89e843639a52cc0",
"ansible_memfree_mb":1121,
"ansible_memory_mb":{
"nocache":{
"free":1467,
"used":356
},
"real":{
"free":1121,
"total":1823,
"used":702
},
"swap":{
"cached":0,
"free":1023,
"total":1023,
"used":0
}
},
"ansible_memtotal_mb":1823,
"ansible_mounts":Array[2],
"ansible_nodename":"test70",
"ansible_os_family":"RedHat",
"ansible_pkg_mgr":"yum",
"ansible_processor":Array[6],
"ansible_processor_cores":2,
"ansible_processor_count":1,
"ansible_processor_threads_per_core":1,
"ansible_processor_vcpus":2,
"ansible_product_name":"VMware Virtual Platform",
"ansible_product_serial":"VMware-56 4d 0d 63 80 3f 29 b4-f0 e2 1b 7a ff 01 a5 9e",
"ansible_product_uuid":"630D4D56-3F80-B429-F0E2-1B7AFF01A59E",
"ansible_product_version":"None",
"ansible_python":Object{...},
"ansible_python_version":"2.7.5",
"ansible_real_group_id":0,
"ansible_real_user_id":0,
"ansible_selinux":Object{...},
"ansible_selinux_python_present":true,
"ansible_service_mgr":"systemd",
"ansible_swapfree_mb":1023,
"ansible_swaptotal_mb":1023,
"ansible_system":"Linux",
"ansible_system_capabilities":Array[37],
"ansible_system_capabilities_enforced":"True",
"ansible_system_vendor":"VMware, Inc.",
"ansible_uptime_seconds":31658,
"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_virbr0":Object{...},
"ansible_virbr0_nic":Object{...},
"ansible_virtualization_role":"guest",
"ansible_virtualization_type":"VMware",
"gather_subset":Array[1],
"module_setup":true
},
"changed":false
}

复制代码

ansible test70 -m setup -a 'filter=ansible_memory_mb'

复制代码

test70 | SUCCESS => {
"ansible_facts": {
"ansible_memory_mb": {
"nocache": {
"free": 1467,
"used": 356
},
"real": {
"free": 1119,
"total": 1823,
"used": 704
},
"swap": {
"cached": 0,
"free": 1023,
"total": 1023,
"used": 0
}
}
},
"changed": false
}

复制代码

ansible test70 -m setup -a "filter=*mb*"

复制代码

test70 | SUCCESS => {
"ansible_facts": {
"ansible_memfree_mb": 1140,
"ansible_memory_mb": {
"nocache": {
"free": 1475,
"used": 348
},
"real": {
"free": 1140,
"total": 1823,
"used": 683
},
"swap": {
"cached": 0,
"free": 1023,
"total": 1023,
"used": 0
}
},
"ansible_memtotal_mb": 1823,
"ansible_swapfree_mb": 1023,
"ansible_swaptotal_mb": 1023
},
"changed": false
}

复制代码

[root@test70 facts.d]# cat testinfo.fact
[testmsg]
msg1=This is the first custom test message
msg2=This is the second custom test message

复制代码

{
"testmsg":{
"msg1":"This is the first custom test message",
"msg2":"This is the second custom test message"
}
}

复制代码

ansible test70 -m setup -a "filter=ansible_local"

复制代码

test70 | SUCCESS => {
"ansible_facts": {
"ansible_local": {
"testinfo": {
"testmsg": {
"msg1": "This is the first custom test message",
"msg2": "This is the second custom test message"
}
}
}
},
"changed": false
}

复制代码

ansible test70 -m setup -a 'fact_path=/testdir'

复制代码

---
- hosts: test70
remote_user: root
tasks:
- name: touch testfile
file:
path: /testdir/testfile
state: touch
- name: debug demo
debug:
msg: this is debug info,The test file has been touched

复制代码

---
- hosts: test70
remote_user: root
vars:
testvar: value of test variable
tasks:
- name: debug demo
debug:
var: testvar

复制代码

---
- hosts: test70
remote_user: root
vars:
testvar: testv
tasks:
- name: debug demo
debug:
msg: "value of testvar is : {{testvar}}"

复制代码

---
- hosts: test70
remote_user: root
tasks:
- name: debug demo
debug:
msg: "Remote host memory information: {{ansible_memory_mb}}"

复制代码

test70 | SUCCESS => {
"ansible_facts": {
"ansible_memory_mb": {
"nocache": {
"free": 1487,
"used": 336
},
"real": {
"free": 1151,
"total": 1823,
"used": 672
},
"swap": {
"cached": 0,
"free": 1023,
"total": 1023,
"used": 0
}
}
},
"changed": false
}

复制代码

语法一示例：
debug:
msg: "Remote host memory information : {{ansible_memory_mb.real}}"
语法二示例：
debug:
msg: "Remote host memory information : {{ansible_memory_mb['real']}}"
上述两种语法前文中已经进行过示例，此处不再赘述。

复制代码