how to check if a variable is a dict in ansible? In Ansible, you can use the type_debug filter to check if a variable is a dictionary. Here’s an example: --- - name: Check if Variable is a Dictionary hosts: lo
/bin/bash# The module checks for system uptime of the target machine.# The module takes in 'detailed' bool argument from the user# It returns a JSON output since an Ansible module should# output a Valid JSON.source$1if[ -f"/proc/uptime"];thenuptime=`cat/proc/uptime`uptime=${uptime%%...
所有主机重启firewalld服务 ansible web_test -m service -a "name=firewalld state=restarted" #查看web_test组中所有主机的firewalld服务运行状态 ansible web_test -m shell -a "systemctl status firewalld" #给web_test组中的所有主机关闭firewalld服务 ansible web_test -m service -a "name=fire...
== 0 ]; then echo "ntp service has been installed" exit fi yum install -y ntp >/dev/null 2>&1 if [ \$? == 0 ]; then systemctl start ntpd systemctl enabled ntpd >/dev/null 2>&1 sleep 5 ntpq -p else echo "ntp service install failed,check network or yum" ...
-a选项是模块支持的参数。 ansible选项说明 –version #显示版本 -m module #指定模块,默认为command -v #详细过程 –list-hosts #显示主机列表,可简写为–list -k --ask-pass #提示输入ssh连接密码,默认key验证 -c --check #检查,并不执行 ansible常用模块 ...
Variable: ANSIBLE_ANY_ERRORS_FATAL BECOME_ALLOW_SAME_USER Description: When False``(default), Ansible will skip using become if the remote user is the same as the become user, as this is normally a redundant operation. In other words root sudo to root. If ``True, this forces Ansibl...
For the next task, list all members of all bands. You're selecting thememberskey of the dictionary if thememberskey is "defined." In this case you know it is, so you can expect data to be returned. Once you select the data, pass it to themapfilter. Themapfilter applies a filter ...
For example. If the variable has not been declared earlier using thevarsmethod, you can directly set them as a dictionary by default. you can define some value to it by default using thedefault This is much more helpful while creating variables in a dynamic manner. To declare the variable ...
The method of using hostvars is important because it is a dictionary of the entire namespace of variables. The variable ‘inventory_hostname’ specifies the current host you are looking at in the host loop. 23. What is the method to check the inventory vars defined for the host? This can...
If you start a value with{{foo}}, you must quote the whole expression to create valid YAML syntax. If you do not quote the whole expression, the YAML parser cannot interpret the syntax - it might be a variable or it might be the start of a YAML dictionary. For guidance on writing ...