Ansible get all hostnames from inventory

So I need to get a list of all IP addresses in my inventory to build an sshguard whitelist on each host. I can get those using something like this … Press J to jump to the feed. Executing ansible-inventory--list-i <filename>.vmware.yml creates a list of the virtual machines that are ready to be configured using Ansible. What to expect ¶ You will notice that instead of default behavior of representing the hostname as config.name + _ + config.uuid , the inventory hosts show value as config.name . Executing ansible-inventory--list-i <filename>.vmware.yml creates a list of the virtual machines that are ready to be configured using Ansible. What to expect ¶ You will notice that instead of default behavior of representing the hostname as config.name + _ + config.uuid , the inventory hosts show value as config.name . Ansible works against multiple systems in your infrastructure by selecting portions of Ansible’s inventory, stored as edit-able, version-able ASCII text files. Not only is this inventory configurable, but you can also use multiple inventory files at the same time and pull inventory from dynamic or cloud sources or different formats ( YAML ... Apr 08, 2019 · At this point your inventory is functional. Your hostnames are ready for use, and don’t need anything more to function. ... I will create a directory to hold all of them. Ansible looks for this ... Sep 29, 2020 · This module is part of ansible-base and included in all Ansible installations. In most cases, you can use the short module name inventory_hostnames even without specifying the collections: keyword. Despite that, we recommend you use the FQCN for easy linking to the module documentation and to avoid conflicting with other collections that may ... ansible test -m setup -a 'filter=ansible_all_ipv*_addresses' > ip_addrs.txt ansible test -m setup -a 'filter=ansible_hostname' > hostnames.txt This is probably what you actually want, but might output a bit too much data: Setting dynamic inventory hostnames from Ansible. Ask Question Asked 1 year, 4 months ago. Active 1 year, 3 months ago. Viewed 668 times 1. I'm setting up a bunch of ... Apr 08, 2017 · Ansible - Parsing CSV List Of Hosts (IP, hostname(s), MAC) April 8, 2017 1 minute read . Recently I had a need to take an already populated spreadsheet which contained a list of hostnames, generic names, IP addresses and MAC addresses and convert them to a usable YAML format to be used with Ansible. You can use groups ['test-hosts'] to get those hosts as a list. Jun 30, 2020 · To run Ansible commands with a custom inventory file, use the -i option as follows: ansible all -i inventory-m ping This would execute the ping module on all hosts listed in your custom inventory file. Similarly, this is how you execute Ansible playbooks with a custom inventory file: ansible-playbook -i inventory playbook.yml Apr 08, 2017 · Ansible - Parsing CSV List Of Hosts (IP, hostname(s), MAC) April 8, 2017 1 minute read . Recently I had a need to take an already populated spreadsheet which contained a list of hostnames, generic names, IP addresses and MAC addresses and convert them to a usable YAML format to be used with Ansible. - name: Test Inventory #The Task Name hosts: cisco #This will be in your ansible inventory file connection: local #Required gather_facts: no #Do not gather facts tasks: #Begin Tasks - name: get facts from device #Task Name napalm_get_facts: #Call the napalm module, in this case napal_get_facts hostname: "{{ inventory_hostname }}" #This is a ... Sep 15, 2020 · Here is the customized Ansible inventory file with two hosts grouped as webservers. Here the host group name is webservers and it is mentioned in the hosts: directive on the playbook. Given below is the command syntax or sample to run an ansible playbook. ansible-playbook sampleplaybook.yml-i ansible_hosts. If you have mentioned all the host ... ansible-playbook -i staging ... --extra-vars "host=webserver[0]" playbook.yml instead, you might try having a third inventory file for this kind of tasks where all of your servers are included. i'm guessing you playbook.yml is something like: So if I have 3 hosts in my inventory, I want to create a playbook that will yield the following hostnames. prefix_A prefix_B prefix_C the command that needs to be run on each hosts is. set hostname prefix_{{item}} where {{item}} should be filled in with A for first host, B for second host, etc. This will take you to the inventories page where all of your current inventories will be displayed. 2. Once there, select the green “+Add” button to create a new inventory. 3. This will open the “Create Inventory” page where you will need to name the inventory and also select which organization it will fall under. 4. alikins changed the title Ansible 2.4 with_inventory_hostnames unordered results inventory_hostnames lookup by group result ordering is inconsistent with order in groups['some-group'] Oct 16, 2017 Copy link Quote reply - name: Test Inventory #The Task Name hosts: cisco #This will be in your ansible inventory file connection: local #Required gather_facts: no #Do not gather facts tasks: #Begin Tasks - name: get facts from device #Task Name napalm_get_facts: #Call the napalm module, in this case napal_get_facts hostname: "{{ inventory_hostname }}" #This is a ... 2 days ago · Add the common variables to this file used by all the hosts added under this group. ansible_ssh_port: 22 ansible_ssh_user: root Step 4 – Testing Ansible Connection. Your Ansible is ready to use. To test all nodes connectivity use ping module. Login to your Ansible server and execute following command: ansible -m ping all Sep 29, 2020 · If Kolla-Ansible was installed with pip, it can be found in /usr/share/kolla-ansible. Add the IP addresses or hostnames to a group and the services associated with that group will land on that host. IP addresses or hostnames must be added to the groups control, network, compute, monitoring and storage. Also, define additional behavioral ... Jul 28, 2020 · I need to filter "{{ inventory_hostname }}" variable of all the hosts from the dynamic inventory. so that I could call module `add_host` for all hosts of the play. I tried to alter the below code to item.inventory_hostname which doesn't work. Nov 27, 2019 · What is ansible inventory file. In technical language you can say ansible inventory file which consist list of host and host group or group over the group and credential of the machine-like variables, login username and password. That will help to perform task on all machine parallelly at a time. There are mainly two type of inventory files. Sep 27, 2020 · groups (all groups and hosts in the inventory) inventory_hostname (current host as in inventory) inventory_hostname_short (first component of inventory_hostname) play_hosts (hostnames in scope for current play) inventory_dir (location of the inventory) inventoty_file (name of the inventory) Facts: Run ansible hostname -m setup, but in particular: By default, Ansible represents what machines it manages using a very simple INI file that puts all of your managed machines in groups of your own choosing. To add new machines, there is no additional SSL signing server involved, so there's never any hassle deciding why a particular machine didn’t get linked up due to obscure NTP or DNS issues. 2 days ago · Add the common variables to this file used by all the hosts added under this group. ansible_ssh_port: 22 ansible_ssh_user: root Step 4 – Testing Ansible Connection. Your Ansible is ready to use. To test all nodes connectivity use ping module. Login to your Ansible server and execute following command: ansible -m ping all Ansible Debug: Print Variable & List All Variables – Playbook Posted on Friday June 21st, 2019 Friday June 21st, 2019 by admin During Ansible playbook debugging it is useful to know how to display host facts or registered variables. Dec 12, 2019 · In order to get the hostvars from Ansible itself using the Dynamic Inventory File for our vmblog01 (or according to Ansible, vmblog01_7178), run the following command: ansible vmblog01_7178 -m debug -a 'var=hostvars' -i ansible_azure_rm.yml. The results are as follows: ansible-playbook -i staging ... --extra-vars "host=webserver[0]" playbook.yml instead, you might try having a third inventory file for this kind of tasks where all of your servers are included. i'm guessing you playbook.yml is something like: The string for the tag is built of two parts - first, we've got a static "test" which will be the same for every host, while the second bit {{ play_hosts.index(inventory_hostname) }}, is an Ansible fact returning an index number of the host currently being processed. Executing ansible-inventory--list-i <filename>.vmware.yml creates a list of the virtual machines that are ready to be configured using Ansible. What to expect ¶ You will notice that instead of default behavior of representing the hostname as config.name + _ + config.uuid , the inventory hosts show value as config.name . I put inventory_hostname and ansible_hostname in task names but that did not work -... Stack Exchange Network Stack Exchange network consists of 176 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Sep 29, 2020 · A dictionary/map with all the hosts in inventory and variables assigned to them. inventory_hostname. The inventory name for the ‘current’ host being iterated over in the play. inventory_hostname_short. The short version of inventory_hostname. inventory_dir. The directory of the inventory source in which the inventory_hostname was first ... Sep 29, 2020 · all group (because it is the ‘parent’ of all other groups) parent group. child group. host. By default Ansible merges groups at the same parent/child level in ASCII order, and the last group loaded overwrites the previous groups. For example, an a_group will be merged with b_group and b_group vars that match will overwrite the ones in a_group. The string for the tag is built of two parts - first, we've got a static "test" which will be the same for every host, while the second bit {{ play_hosts.index(inventory_hostname) }}, is an Ansible fact returning an index number of the host currently being processed. Ansible register allows the user to capture the output and store as variables and can be used in different scenarios. The variables will contain the value returned by the task. The register ...