角色期望文件位于某些目录名称中。角色必须至少包含其中一个目录,但是排除任何未使用的目录是完全正确的。在使用时,每个目录必须包含一个main.yml文件,其中包含相关内容:
production # inventory file for production servers
staging # inventory file for staging environment
group_vars/
group1.yml # here we assign variables to particular groups
group2.yml
host_vars/
hostname1.yml # here we assign variables to particular systems
hostname2.yml
library/ # if any custom modules, put them here (optional)
module_utils/ # if any custom module_utils to support modules, put them here (optional)
filter_plugins/ # if any custom filter plugins, put them here (optional)
site.yml # master playbook
webservers.yml # playbook for webserver tier
dbservers.yml # playbook for dbserver tier
roles/
common/ # this hierarchy represents a "role"
tasks/ #
main.yml # <-- tasks file can include smaller files if warranted
handlers/ #
main.yml # <-- handlers file
templates/ # <-- files for use with the template resource
ntp.conf.j2 # <------- templates end in .j2
files/ #
bar.txt # <-- files for use with the copy resource
foo.sh # <-- script files for use with the script resourcevars/ #
main.yml # <-- variables associated with this role
defaults/ #
main.yml # <-- default lower priority variables for this role
meta/ #
main.yml # <-- role dependencies
library/ # roles can also include custom modules
module_utils/ # roles can also include custom module_utils
lookup_plugins/ # or other types of plugins, like lookup in this case
webtier/ # same kind of structure as "common" was above, done for the webtier role
monitoring/ # ""
fooapp/ # ""
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