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ansible:ansible_variables [2021/11/06 19:06] manu |
ansible:ansible_variables [2025/05/21 16:24] (current) manu |
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opensuse:~ # ansible -i "node2," all -e "var1=toto" -m debug -a 'msg={{ var1 }}' | opensuse:~ # ansible -i "node2," all -e "var1=toto" -m debug -a 'msg={{ var1 }}' | ||
</cli> | </cli> | ||
+ | |||
+ | ===== Ansible inventory ===== | ||
+ | |||
+ | <cli prompt='$'> | ||
+ | $ ansible --version | grep 'config file' | ||
+ | config file = /home/tux/.ansible.cfg | ||
+ | $ ansible-config dump --only-changed | ||
+ | DEFAULT_BECOME(/home/tux/.ansible.cfg) = True | ||
+ | DEFAULT_BECOME_METHOD(/home/tux/.ansible.cfg) = sudo | ||
+ | DEFAULT_HOST_LIST(/home/tux/.ansible.cfg) = ['/home/tux/ | ||
+ | inventory'] | ||
+ | DEFAULT_REMOTE_USER(/home/tux/.ansible.cfg) = ansible | ||
+ | </cli> | ||
+ | |||
+ | List all hosts, use the keyword **all**. To specify all host not in a group use **ungrouped** | ||
+ | <cli prompt='$'> | ||
+ | $ ansible all --list-hosts | ||
+ | hosts (21): | ||
+ | green.example.com | ||
+ | blue.example.com | ||
+ | 192.168.100.1 | ||
+ | 192.168.100.10 | ||
+ | alpha.example.org | ||
+ | beta.example.org | ||
+ | www001.example.com | ||
+ | www002.example.com | ||
+ | www003.example.com | ||
+ | db-99-node.example.com | ||
+ | db-100-node.example.com | ||
+ | db-101-node.example.com | ||
+ | </cli> | ||
+ | |||
+ | List the group webservers | ||
+ | <cli prompt='$'> | ||
+ | $ ansible webservers --list-hosts | ||
+ | hosts (10): | ||
+ | alpha.example.org | ||
+ | beta.example.org | ||
+ | 192.168.1.100 | ||
+ | 192.168.1.110 | ||
+ | www001.example.com | ||
+ | www002.example.com | ||
+ | www003.example.com | ||
+ | </cli> | ||
+ | |||
+ | Print inventory in YML format | ||
+ | <cli prompt='$'> | ||
+ | $ ansible-inventory --list --yaml | ||
+ | all: | ||
+ | children: | ||
+ | ungrouped: | ||
+ | hosts: | ||
+ | 172.16.120.161: {} | ||
+ | 172.16.120.185: {} | ||
+ | 172.16.120.188: {} | ||
+ | </cli> | ||
+ | |||
+ | ===== Custom variable ===== | ||
+ | |||
+ | ==== Time / date ==== | ||
+ | |||
+ | <code> | ||
+ | - hosts: test | ||
+ | vars: | ||
+ | time: "{{ lookup('pipe', 'date -d \"1 day ago\" +\"%Y%m%d\"') }}" | ||
+ | </code> | ||
+ | |||
+ |