{"id":117761,"date":"2026-10-25T10:40:54","date_gmt":"2026-10-25T02:40:54","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/117761.html"},"modified":"2026-10-25T10:40:54","modified_gmt":"2026-10-25T02:40:54","slug":"3-ansible-debug%e6%a8%a1%e5%9d%97","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/117761.html","title":{"rendered":"3-ansible debug\u6a21\u5757"},"content":{"rendered":"

ansible debug\u6a21\u5757\u662f\u6700\u5e38\u7528\u7684\u8c03\u8bd5\u6a21\u5757\uff0c\u7528\u4e8e\u8f93\u51fa\u53d8\u91cf\u3001\u8868\u8fbe\u5f0f\u6216\u81ea\u5b9a\u4e49\u4fe1\u606f\uff0c\u5728\u7f16\u5199\u548c\u6392\u67e5playbook\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n

1.\u57fa\u672c\u8bed\u6cd5<\/h2>\n

– name: Debug message
\n debug:
\n msg: \\”Hello World\\”<\/p>\n

2.\u6837\u4f8b<\/h2>\n

1.debug\u57fa\u672c\u6d4b\u8bd5<\/h3>\n

– hosts: all<\/p>\n

tasks:
\n – name: Debug message
\n debug:
\n msg: \\”Hello World\\”<\/p>\n

\u8f93\u51fa\uff1a<\/p>\n

[root@cent79-2 yaml-directory]# ansible-playbook debug.yaml <\/p>\n

PLAY [all] ****************************************************************************************************<\/p>\n

TASK [Gathering Facts] ****************************************************************************************
\nok: [192.168.10.100]<\/p>\n

TASK [Debug message] ******************************************************************************************
\nok: [192.168.10.100] => {
\n \\”msg\\”: \\”Hello World\\”
\n}<\/p>\n

PLAY RECAP ****************************************************************************************************
\n192.168.10.100 : ok=2 changed=0 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 <\/p>\n

[root@cent79-2 yaml-directory]# <\/p>\n

2.\u8f93\u51fa\u53d8\u91cf(var)<\/h3>\n

– hosts: all<\/p>\n

tasks:
\n – name: Show hostname
\n debug:
\n var: ansible_hostname<\/p>\n

\u8f93\u51fa\uff1a<\/p>\n

[root@cent79-2 yaml-directory]# ansible-playbook debug.yaml <\/p>\n

PLAY [all] ****************************************************************************************************<\/p>\n

TASK [Gathering Facts] ****************************************************************************************
\nok: [192.168.10.100]<\/p>\n

TASK [Show hostname] ******************************************************************************************
\nok: [192.168.10.100] => {
\n \\”ansible_hostname\\”: \\”patrolagent\\”
\n}<\/p>\n

PLAY RECAP ****************************************************************************************************
\n192.168.10.100 : ok=2 changed=0 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 <\/p>\n

[root@cent79-2 yaml-directory]# <\/p>\n

3.\u67e5\u770b\u6ce8\u518c\u53d8\u91cf<\/h3>\n

– hosts: all<\/p>\n

tasks:
\n – name: Show hostname
\n shell: hostname
\n register: hostname_result<\/p>\n

– debug:
\n var: hostname_result<\/p>\n

\u8f93\u51fa\uff1a<\/p>\n

[root@cent79-2 yaml-directory]# ansible-playbook debug.yaml <\/p>\n

PLAY [all] ****************************************************************************************************<\/p>\n

TASK [Gathering Facts] ****************************************************************************************
\nok: [192.168.10.100]<\/p>\n

TASK [Show hostname] ******************************************************************************************
\nchanged: [192.168.10.100]<\/p>\n

TASK [debug] **************************************************************************************************
\nok: [192.168.10.100] => {
\n \\”hostname_result\\”: {
\n \\”changed\\”: true,
\n \\”cmd\\”: \\”hostname\\”,
\n \\”delta\\”: \\”0:00:00.002204\\”,
\n \\”end\\”: \\”2026-07-13 15:56:09.473972\\”,
\n \\”failed\\”: false,
\n \\”rc\\”: 0,
\n \\”start\\”: \\”2026-07-13 15:56:09.471768\\”,
\n \\”stderr\\”: \\”\\”,
\n \\”stderr_lines\\”: [],
\n \\”stdout\\”: \\”patrolagent\\”,
\n \\”stdout_lines\\”: [
\n \\”patrolagent\\”
\n ]
\n }
\n}<\/p>\n

PLAY RECAP ****************************************************************************************************
\n192.168.10.100 : ok=3 changed=1 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 <\/p>\n

[root@cent79-2 yaml-directory] <\/p>\n

\u5982\u679c\u53ea\u60f3\u8f93\u51fa\u547d\u4ee4\u7ed3\u679c<\/p>\n

– hosts: all<\/p>\n

tasks:
\n – name: Show hostname
\n shell: hostname
\n register: hostname_result<\/p>\n

– debug:
\n var: hostname_result.stdout<\/p>\n

\u8f93\u51fa\uff1a<\/p>\n

[root@cent79-2 yaml-directory]# ansible-playbook debug.yaml <\/p>\n

PLAY [all] ****************************************************************************************************<\/p>\n

TASK [Gathering Facts] ****************************************************************************************
\nok: [192.168.10.100]<\/p>\n

TASK [Show hostname] ******************************************************************************************
\nchanged: [192.168.10.100]<\/p>\n

TASK [debug] **************************************************************************************************
\nok: [192.168.10.100] => {
\n \\”hostname_result.stdout\\”: \\”patrolagent\\”
\n}<\/p>\n

PLAY RECAP ****************************************************************************************************
\n192.168.10.100 : ok=3 changed=1 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 <\/p>\n

[root@cent79-2 yaml-directory]# <\/p>\n

4.\u8f93\u51fa\u81ea\u5b9a\u4e49\u4fe1\u606f(msg)<\/h3>\n

– hosts: all<\/p>\n

tasks:
\n – debug:
\n msg: \\”Current host is {<\/p>\n

{ ansible_hostname }}\\”<\/p>\n

\u8f93\u51fa\uff1a<\/p>\n

[root@cent79-2 yaml-directory]# ansible-playbook debug.yaml <\/p>\n

PLAY [all] ****************************************************************************************************<\/p>\n

TASK [Gathering Facts] ****************************************************************************************
\nok: [192.168.10.100]<\/p>\n

TASK [debug] **************************************************************************************************
\nok: [192.168.10.100] => {
\n \\”msg\\”: \\”Current host is patrolagent\\”
\n}<\/p>\n

PLAY RECAP ****************************************************************************************************
\n192.168.10.100 : ok=2 changed=0 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 <\/p>\n

[root@cent79-2 yaml-directory]# <\/p>\n

\u8f93\u51fa\u591a\u4e2a\u53d8\u91cf<\/p>\n

– hosts: all<\/p>\n

tasks:
\n – debug:
\n msg:
\n – \\”Hostname: {<\/p>\n

{ ansible_hostname }}\\”
\n – \\”IP: {<\/p>\n

{ ansible_default_ipv4.address }}\\”
\n – \\”OS: {<\/p>\n

{ ansible_distribution }}\\”<\/p>\n

\u8f93\u51fa\uff1a<\/p>\n

[root@cent79-2 yaml-directory]# ansible-playbook debug.yaml <\/p>\n

PLAY [all] ****************************************************************************************************<\/p>\n

TASK [Gathering Facts] ****************************************************************************************
\nok: [192.168.10.100]<\/p>\n

TASK [debug] **************************************************************************************************
\nok: [192.168.10.100] => {
\n \\”msg\\”: [
\n \\”Hostname: patrolagent\\”,
\n \\”IP: 192.168.10.100\\”,
\n \\”OS: RedHat\\”
\n ]
\n}<\/p>\n

PLAY RECAP ****************************************************************************************************
\n192.168.10.100 : ok=2 changed=0 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 <\/p>\n

[root@cent79-2 yaml-directory]# <\/p>\n

5.\u8f93\u51fa\u8868\u8fbe\u5f0f\u7ed3\u679c<\/h3>\n

– hosts: all<\/p>\n

tasks:
\n – debug:
\n msg: \\”{<\/p>\n

{ 10 + 20 }}\\”<\/p>\n

\u8f93\u51fa\uff1a<\/p>\n

[root@cent79-2 yaml-directory]# ansible-playbook debug.yaml <\/p>\n

PLAY [all] ****************************************************************************************************<\/p>\n

TASK [Gathering Facts] ****************************************************************************************
\nok: [192.168.10.100]<\/p>\n

TASK [debug] **************************************************************************************************
\nok: [192.168.10.100] => {
\n \\”msg\\”: \\”30\\”
\n}<\/p>\n

PLAY RECAP ****************************************************************************************************
\n192.168.10.100 : ok=2 changed=0 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 <\/p>\n

[root@cent79-2 yaml-directory]# <\/p>\n

\u5224\u65ad\u6761\u4ef6<\/p>\n

– hosts: all<\/p>\n

tasks:
\n – debug:
\n msg: \\”{<\/p>\n

{ ansible_memtotal_mb > 4096 }}\\”<\/p>\n

\u8f93\u51fa\uff1a<\/p>\n

[root@cent79-2 yaml-directory]# ansible-playbook debug.yaml <\/p>\n

PLAY [all] ****************************************************************************************************<\/p>\n

TASK [Gathering Facts] ****************************************************************************************
\nok: [192.168.10.100]<\/p>\n

TASK [debug] **************************************************************************************************
\nok: [192.168.10.100] => {
\n \\”msg\\”: false
\n}<\/p>\n

PLAY RECAP ****************************************************************************************************
\n192.168.10.100 : ok=2 changed=0 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 <\/p>\n

[root@cent79-2 yaml-directory]# <\/p>\n

6.\u914d\u5408when<\/h3>\n

– hosts: all<\/p>\n

tasks:
\n – debug:
\n msg: \\”Memory is greater than 4GB\\”
\n when: ansible_memtotal_mb > 4096<\/p>\n

\u8f93\u51fa\uff1a<\/p>\n

[root@cent79-2 yaml-directory]# ansible-playbook debug.yaml <\/p>\n

PLAY [all] ****************************************************************************************************<\/p>\n

TASK [Gathering Facts] ****************************************************************************************
\nok: [192.168.10.100]<\/p>\n

TASK [debug] **************************************************************************************************
\nskipping: [192.168.10.100]<\/p>\n

PLAY RECAP ****************************************************************************************************
\n192.168.10.100 : ok=1 changed=0 unreachable=0 failed=0 skipped=1 rescued=0 ignored=0 <\/p>\n

[root@cent79-2 yaml-directory]# <\/p>\n

7.\u914d\u5408register<\/h3>\n

– hosts: all<\/p>\n

tasks:
\n – name: Check nginx
\n shell: systemctl is-active PatrolAgent
\n register: pa_status<\/p>\n

– name: Pa output
\n debug:
\n var: pa_status.stdout<\/p>\n

\u8f93\u51fa\uff1a<\/p>\n

[root@cent79-2 yaml-directory]# ansible-playbook debug.yaml <\/p>\n

PLAY [all] ****************************************************************************************************<\/p>\n

TASK [Gathering Facts] ****************************************************************************************
\nok: [192.168.10.100]<\/p>\n

TASK [Check nginx] ********************************************************************************************
\nchanged: [192.168.10.100]<\/p>\n

TASK [Pa output] **********************************************************************************************
\nok: [192.168.10.100] => {
\n \\”pa_status.stdout\\”: \\”active\\”
\n}<\/p>\n

PLAY RECAP ****************************************************************************************************
\n192.168.10.100 : ok=3 changed=1 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 <\/p>\n

[root@cent79-2 yaml-directory]# <\/p>\n

8.\u67e5\u770b\u6240\u6709Facts<\/h3>\n

– hosts: all<\/p>\n

tasks:
\n – name: Facts output
\n debug:
\n var: ansible_facts<\/p>\n

\u8f93\u51fa\uff1a<\/p>\n

[root@cent79-2 yaml-directory]# ansible-playbook debug.yaml <\/p>\n

PLAY [all] ****************************************************************************************************<\/p>\n

TASK [Gathering Facts] ****************************************************************************************
\nok: [192.168.10.100]<\/p>\n

TASK [Facts output] *******************************************************************************************
\nok: [192.168.10.100] => {
\n \\”ansible_facts\\”: {
\n \\”all_ipv4_addresses\\”: [
\n \\”192.168.10.100\\”,
\n \\”192.168.10.111\\”
\n ],
\n \\”all_ipv6_addresses\\”: [
\n \\”fe80::6a88:30a0:2d04:24ed\\”
\n ],
\n \\”ansible_local\\”: {},
\n \\”apparmor\\”: {
\n \\”status\\”: \\”disabled\\”
\n },
\n \\”architecture\\”: \\”x86_64\\”,
\n \\”bios_date\\”: \\”11\/12\/2020\\”,
\n \\”bios_version\\”: \\”6.00\\”,
\n \\”cmdline\\”: {
\n \\”BOOT_IMAGE\\”: \\”\/vmlinuz-3.10.0-693.el7.x86_64\\”,
\n \\”LANG\\”: \\”en_US.UTF-8\\”,
\n \\”quiet\\”: true,
\n \\”rd.lvm.lv\\”: \\”rhel_patrolagent\/swap\\”,
\n \\”rhgb\\”: true,
\n \\”ro\\”: true,
\n \\”root\\”: \\”\/dev\/mapper\/rhel_patrolagent-root\\”
\n },
\n \\”date_time\\”: {
\n \\”date\\”: \\”2026-07-13\\”,
\n \\”day\\”: \\”13\\”,
\n \\”epoch\\”: \\”1783932084\\”,
\n \\”hour\\”: \\”16\\”,
\n \\”iso8601\\”: \\”2026-07-13T08:41:24Z\\”,
\n \\”iso8601_basic\\”: \\”20260713T164124285920\\”,
\n \\”iso8601_basic_short\\”: \\”20260713T164124\\”,
\n \\”iso8601_micro\\”: \\”2026-07-13T08:41:24.285920Z\\”,
\n \\”minute\\”: \\”41\\”,
\n \\”month\\”: \\”07\\”,
\n \\”second\\”: \\”24\\”,
\n \\”time\\”: \\”16:41:24\\”,
\n \\”tz\\”: \\”CST\\”,
\n \\”tz_offset\\”: \\”+0800\\”,
\n \\”weekday\\”: \\”Monday\\”,
\n \\”weekday_number\\”: \\”1\\”,
\n \\”weeknumber\\”: \\”28\\”,
\n \\”year\\”: \\”2026\\”
\n },
\n \\”default_ipv4\\”: {
\n \\”address\\”: \\”192.168.10.100\\”,
\n \\”alias\\”: \\”ens33\\”,
\n \\”broadcast\\”: \\”192.168.10.255\\”,
\n \\”gateway\\”: \\”192.168.10.1\\”,
\n \\”interface\\”: \\”ens33\\”,
\n \\”macaddress\\”: \\”00:0c:29:7c:8d:7b\\”,
\n \\”mtu\\”: 1500,
\n \\”netmask\\”: \\”255.255.255.0\\”,
\n \\”network\\”: \\”192.168.10.0\\”,
\n \\”type\\”: \\”ether\\”
\n },
\n \\”default_ipv6\\”: {},
\n \\”device_links\\”: {
\n \\”ids\\”: {
\n \\”dm-0\\”: [
\n \\”dm-name-rhel_patrolagent-root\\”,
\n \\”dm-uuid-LVM-UlaebvSQUYHFSvRiRiQgmUk4M2n1X4fBSE24QCo1EkXin4VkULSH3U6xkiCLvACC\\”
\n ],
\n \\”dm-1\\”: [
\n \\”dm-name-rhel_patrolagent-swap\\”,
\n \\”dm-uuid-LVM-UlaebvSQUYHFSvRiRiQgmUk4M2n1X4fBrcpQr58KLciodrOxFf1dy2iwzJ7XfOe5\\”
\n ],
\n \\”dm-2\\”: [
\n \\”dm-name-rhel_patrolagent-var\\”,
\n \\”dm-uuid-LVM-UlaebvSQUYHFSvRiRiQgmUk4M2n1X4fBPZ1fz70wHTdVNEixh4KNjJEILFyr1HVJ\\”
\n ],
\n \\”dm-3\\”: [
\n \\”dm-name-rhel_patrolagent-home\\”,
\n \\”dm-uuid-LVM-UlaebvSQUYHFSvRiRiQgmUk4M2n1X4fBxk2EgXPcz21MGa9t2DafrOOVgZzgDNPC\\”
\n ],
\n \\”sda2\\”: [
\n \\”lvm-pv-uuid-VRgGxq-GkDc-m54A-5T1D-j4MQ-hwCj-YP32cV\\”
\n ],
\n \\”sr0\\”: [
\n \\”ata-VMware_Virtual_SATA_CDRW_Drive_01000000000000000001\\”
\n ]
\n },
\n \\”labels\\”: {
\n \\”sr0\\”: [
\n \\”RHEL-7.4\\\\\\\\x20Server.x86_64\\”
\n ]
\n },
\n \\”masters\\”: {
\n \\”sda2\\”: [
\n \\”dm-0\\”,
\n \\”dm-1\\”,
\n \\”dm-2\\”,
\n \\”dm-3\\”
\n ]
\n },
\n \\”uuids\\”: {
\n \\”dm-0\\”: [
\n \\”f50ba8b5-e369-4235-8c3b-1e7b6d0bda48\\”
\n ],
\n \\”dm-1\\”: [
\n \\”30d1fee5-cb49-489c-b787-e33ee0a9b131\\”
\n ],
\n \\”dm-2\\”: [
\n \\”c3b19f3a-71ee-450b-9d34-956675a278a1\\”
\n ],
\n \\”dm-3\\”: [
\n \\”f9f9733b-9aa4-4d7d-84b8-40d4f53d412d\\”
\n ],
\n \\”sda1\\”: [
\n \\”bc617ee4-b4e6-4f09-9a4b-2025d80e4684\\”
\n ],
\n \\”sr0\\”: [
\n \\”2017-07-11-01-39-24-00\\”
\n ]
\n }
\n },
\n \\”devices\\”: {
\n \\”dm-0\\”: {
\n \\”holders\\”: []<\/p>\n","protected":false},"excerpt":{"rendered":"

ansible debug\u6a21\u5757\u662f\u6700\u5e38\u7528\u7684\u8c03\u8bd5\u6a21\u5757\uff0c\u7528\u4e8e\u8f93\u51fa\u53d8\u91cf\u3001\u8868\u8fbe\u5f0f\u6216\u81ea\u5b9a\u4e49\u4fe1\u606f\uff0c\u5728\u7f16\u5199\u548c\u6392\u67e5playbook\u65f6\u975e\u5e38\u6709\u7528\u3002
\n1.\u57fa\u672c\u8bed\u6cd5
\n– name: Debug messagedebug:msg: \\”Hello World\\”2.\u6837\u4f8b
\n1.debug\u57fa\u672c\u6d4b\u8bd5
\n– hosts: alltasks:- name: Debug messagedebug:msg: \\”Hello World\\”\u8f93\u51fa\uff1a
\n[root@cent79-2 yaml-directory]# ansi<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1064,4401],"topic":[],"class_list":["post-117761","post","type-post","status-publish","format-standard","hentry","category-server","tag-ansible","tag-debug"],"yoast_head":"\n3-ansible debug\u6a21\u5757 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/117761.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3-ansible debug\u6a21\u5757 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"ansible debug\u6a21\u5757\u662f\u6700\u5e38\u7528\u7684\u8c03\u8bd5\u6a21\u5757\uff0c\u7528\u4e8e\u8f93\u51fa\u53d8\u91cf\u3001\u8868\u8fbe\u5f0f\u6216\u81ea\u5b9a\u4e49\u4fe1\u606f\uff0c\u5728\u7f16\u5199\u548c\u6392\u67e5playbook\u65f6\u975e\u5e38\u6709\u7528\u3002 1.\u57fa\u672c\u8bed\u6cd5 - name: Debug messagedebug:msg: "Hello World"2.\u6837\u4f8b 1.debug\u57fa\u672c\u6d4b\u8bd5 - hosts: alltasks:- name: Debug messagedebug:msg: "Hello World"\u8f93\u51fa\uff1a [root@cent79-2 yaml-directory]# ansi\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/117761.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-25T02:40:54+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/117761.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/117761.html\",\"name\":\"3-ansible debug\u6a21\u5757 - 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