Ansible Playbook Hosts Variable 2021 - handsonnetwork.org

und dann ansible-playbook playbook.yml -l some_more_strict_Host_or_pattern und verwenden Sie das Flag --list-hosts, um zu sehen, auf welchen Hosts diese Konfiguration angewendet wird. 7 29.08.2017 Jonathan Hamel. Ansible-Playbooks verwalten sich häufig verändernde Infrastrukturen, wodurch Variablen an Bedeutung gewinnen. Ansible-Variablen ermöglichen Playbooks die Verwendung statischen Codes, der.

Ansible exists to make tasks simple and repeatable. We also know that not all systems are exactly alike and often require some slight change to the way an Ansible playbook is run. Enter variables. Ansible supports variables to store values that can be used in Playbooks. Variables can be defined in a variety of places and have a clear precedence. ansible-playbook variable.yml Variables Dictionary In this example we declare 3 variable, 1th is “base_path” and set value /var/www/html/, this is our apache directory path where we create a directory using variable “ansible_hostname”, 2nd variable is index_file, we create a index.html and 3rd index_msg, we echo a message in index file. One can put conditions around the value of the variables and accordingly use them in the playbook. Example - hosts: vars: tomcat_port: 8080 In the above example, we have defined a variable name tomcat_port and assigned the value 8080 to that variable and can use that in your playbook wherever needed. Variables files¶ Ansible will look in Inventory directory and Playbook directory for directories named host_vars or group_vars. Inside those directories, you can put a single Variables file with the same name as a host or group respectively and Ansible will use those Pre-defined variables definitions. 04.07.2016 · Run your playbook with: ansible-playbook -i my-hosts playbook.yml The variable will now be defined for all hosts. If you are using ec2.py or some other dynamic inventory, you can put the global variables in the file group_vars/all to achieve the same result.

It occurred to me that I should also mention that as of version 1.8 of Ansible, there is a fact-caching feature that is now available. Fact caching relies on a redis server to store facts between playbook runs. With it enabled, one playbook can reference facts that were obtained by another playbook that was run previously. The example the. Ansible uses a combination of a hosts file and a group_vars directory to pull variables per host group and run Ansible plays/tasks against hosts. group_vars/all is used to set variables that will be used for every host that Ansible is ran against. EXPECTED RESULTS. Variables from host_aaa and host_bbb should be defined host_ccc when using multiple inventory files. ACTUAL RESULTS ansible-dev ansible-bug-inventory-01 git:master ansible-playbook -i inventory pb.show_var.yaml --limit=host_ccc PLAY [Print Variables. ansible-playbook extra_var_single.yml -e my_var=CoolCmdLineVar Passing multiple variables. If we want to pass multiple variables, we need to enclose our vars and their values in quotation marks: ansible-playbook extra_var_multiple.yml --extra-var "my_var1=CoolVar1 my_var2=WarmVar2" Passing variables containing spaces.

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