Check if an object points to the same memory address than another object: {%iffoo.attributeissameasfalse%}the foo attribute really is the `False` singleton{%endif%} sequence(value) Return true if the variable is a sequence. Sequences are variables that are iterable. string(value) Return tr...
Return true if the variable is defined: {% if variable is defined %} value of variable: {{ variable }} {% else %} variable is not defined {% endif %} See thefilter for a simple way to set undefined variables. divisibleby ( value , num ) Check if a variable is divisible by ...
40 {# {% if filter01 is defined %} #} 41 {% if filter00 is defined %} 42 variable is defined 43 {% else %} 44 variable is undefined 45 {% endif %} 46 47 # range 使用 48 {% for i in range(1,20) %} 49 server 172.16.1.{{ i }}:80 50 {% endfor %} playbook 文件 ...
{% for host in groups['dbservers'] if host !="1.1.1.1" %} {{host}} {% endfor %} 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 三、如何使用模板 ⼀个基于Facts的Jinja2 实例 # cat config.j2 {# use variable example #} {# 都是内置变量 #} wlecome host {{ ansible_hostname }}, ...
If given and a string, this will be used as prefix for line based based comments. See also 行语句. New in version 2.2. trim_blocks If this is set to True the first newline after a block is removed (block, not variable tag!). Defaults to False. lstrip_blocks If this is set to ...
({{ foo if bar else baz }}) Node type: Expr class jinja2.nodes.ContextReference Returns the current template context. It can be used like a Name node, with a 'load' ctx and will return the current Context object. Here an example that assigns the current template name to a variable ...
{# *** 通过判断变量是否被定义,得到到True或False *** #}40 {# {% if filter01 is defined %} #}41 {% if filter00 is defined %}42 variable is defined43 {% else %}44 variable is undefined45 {% endif %}46 47 # range 使用48 {% for i in range(1,20) %}49 server 172.16....
Changes the undefined types that are used when a variable name lookup fails. If unset, defaults to :py:class:`~jinja2.Undefined` (silent ignore). Setting it to strict will trigger :py:class:`~jinja2.StrictUndefined` behavior (which raises an error, and is recommended for development). ...
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{# use variable example #} wlecome host {{ ansible_hostname }}, os is {{ ansible_os_family }} {# use condition example #} {% if ansible_processor_vcpus > 1 %} OS CPU more than one core {% endif %} {% for m in ansible_mounts if m['mount'] != "/" %} ...