用于条件判断,如{% if variable > 10 %}...{% endif %}。 逻辑运算:and, or, not用于逻辑条件组合。例如,{% if condition1 and condition2 %}...{% endif %} 或{% if not condition %}...{% endif %}。模板都是通过引用变量来引用的...
options:--metadata-dump **For internal testing only** Dump json metadata for all plugins.--playbook-dir BASEDIRSince this tool doesnotuse playbooks, use this as a substitute playbook directory.This sets the relativepathformany features including roles/ group_vars/ etc.--version show program's ...
复制 $ ansible-i hosts.yaml master-a"echo {{ ntp_server }}"master-node|FAILED|rc=-1>>The task includes an optionwithanundefinedvariable.The error was:'ntp_server'isundefined.'ntp_server'isundefined$ ansible-i hosts.yaml nodes-a"echo {{ ntp_server }}"node-1|CHANGED|rc=0>>9.1.1.1 ...
pxc4 ~]#systemctl stop mysql.service #在其它任意节点查看wsrep_cluster_size变量少了一个节点 mysql> SHOW STATUS LIKE 'wsrep_cluster_size'; +---+---+ | Variable_name | Value | +---+---+ | wsrep_cluster_size | 3 | +---+---+ 1 row in set (0.01 sec) mysql> create database ...
defrun(self):super(PlaybookCLI,self).run()# Note: slightly wrong, this is written so that implicit localhost# manages passwordssshpass=Nonebecomepass=Nonepasswords={}# initial error check, to make sure all specified playbooks are accessible# before we start running anything through the playbook ...
-name:Check if a file exists in temp and fail task if it doesansible.builtin.command:ls /tmp/this_should_not_be_hereregister:resultfailed_when:-result.rc == 0-'"Nosuch"notinresult.stderr' If you want the task to fail when only one condition is satisfied, change thefailed_whendefinit...
Ansible always registers something in a registered variable for every host, even on hosts where a task fails or Ansible skips a task because a condition is not met. To run a follow-up task on these hosts, query the registered variable forisskipped(not for “undefined” or “default”). ...
local_group.set_variable(k,v) elif self._loader.path_exists(host_list): # TODO: switch this to a plugin loader and a 'condition' per plugin on which it should be tried, restoring 'inventory pllugins' if self.is_directory(host_list): ...
Skip_Counter: 0 Exec_Master_Log_Pos: 1098 Relay_Log_Space: 727 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: NULL Master_SSL_Verify_...
config, restored the ability to set module compression via a variable connection plugins using the 'extras' option feature would need variables to match the plugin's loaded name, sometimes requiring fqcn, which is not the same as the documented/declared/expected variables. Now we fall back to ...