[ansible-project] fetching VMs Info via Anisble

[karun pruthi]

Hi Team 

I am trying to fetch different VMs info using vminfo module nd my Yaml looks like below:

===============playbook yaml=============

- hosts: Web
  gather_facts: false
  become: false
  vars:
     vcenter_hostname: x.x.x.x
     vcenter_username: <Creds>
     vcenter_password: <creds>
  tasks:
    - name: Gather all registered virtual machines
      community.vmware.vmware_vm_info:
        hostname: '{{ vcenter_hostname }}'
        username: '{{ vcenter_username }}'
        password: '{{ vcenter_password }}'
      delegate_to: localhost
      register: vminfo

   - debug:
       msg: "{{ item.guest_name }}, {{ item.ip_address }}"
     with_items:
       - "{{ vminfo.virtual_machines }}"

=========================================

In the hosts file i have give Vcenter IP details as below:

========Host file==========

[Web]
x.x.x.x #ip of my vcenter server

==============

But while triggering ansible playbook i am getting error as below:

================Error==================

[WARNING]: Could not match supplied host pattern, ignoring: vmware_test.yaml
[WARNING]: No hosts matched, nothing to do
usage: ansible [-h] [--version] [-v] [-b] [--become-method BECOME_METHOD] [--become-user BECOME_USER] [-K | --become-password-file BECOME_PASSWORD_FILE] [-i INVENTORY]
               [--list-hosts] [-l SUBSET] [-P POLL_INTERVAL] [-B SECONDS] [-o] [-t TREE] [--private-key PRIVATE_KEY_FILE] [-u REMOTE_USER] [-c CONNECTION] [-T TIMEOUT]
               [--ssh-common-args SSH_COMMON_ARGS] [--sftp-extra-args SFTP_EXTRA_ARGS] [--scp-extra-args SCP_EXTRA_ARGS] [--ssh-extra-args SSH_EXTRA_ARGS]
               [-k | --connection-password-file CONNECTION_PASSWORD_FILE] [-C] [--syntax-check] [-D] [-e EXTRA_VARS] [--vault-id VAULT_IDS]
               [--ask-vault-password | --vault-password-file VAULT_PASSWORD_FILES] [-f FORKS] [-M MODULE_PATH] [--playbook-dir BASEDIR] [--task-timeout TASK_TIMEOUT]
               [-a MODULE_ARGS] [-m MODULE_NAME]
               pattern

Define and run a single task 'playbook' against a set of hosts

positional arguments:
  pattern               host pattern

optional arguments:
  --ask-vault-password, --ask-vault-pass
                        ask for vault password
  --become-password-file BECOME_PASSWORD_FILE, --become-pass-file BECOME_PASSWORD_FILE
                        Become password file
  --connection-password-file CONNECTION_PASSWORD_FILE, --conn-pass-file CONNECTION_PASSWORD_FILE
                        Connection password file
  --list-hosts          outputs a list of matching hosts; does not execute anything else
  --playbook-dir BASEDIR
                        Since this tool does not use playbooks, use this as a substitute playbook directory. This sets the relative path for many features including
                        roles/ group_vars/ etc.
  --syntax-check        perform a syntax check on the playbook, but do not execute it
  --task-timeout TASK_TIMEOUT
                        set task timeout limit in seconds, must be positive integer.
  --vault-id VAULT_IDS  the vault identity to use
  --vault-password-file VAULT_PASSWORD_FILES, --vault-pass-file VAULT_PASSWORD_FILES
                        vault password file
  --version             show program's version number, config file location, configured module search path, module location, executable location and exit
  -B SECONDS, --background SECONDS
                        run asynchronously, failing after X seconds (default=N/A)
  -C, --check           don't make any changes; instead, try to predict some of the changes that may occur
  -D, --diff            when changing (small) files and templates, show the differences in those files; works great with --check
  -K, --ask-become-pass
                        ask for privilege escalation password
  -M MODULE_PATH, --module-path MODULE_PATH
                        prepend colon-separated path(s) to module library (default=~/.ansible/plugins/modules:/usr/share/ansible/plugins/modules)
  -P POLL_INTERVAL, --poll POLL_INTERVAL
                        set the poll interval if using -B (default=15)
  -a MODULE_ARGS, --args MODULE_ARGS
                        The action's options in space separated k=v format: -a 'opt1=val1 opt2=val2'
  -e EXTRA_VARS, --extra-vars EXTRA_VARS
                        set additional variables as key=value or YAML/JSON, if filename prepend with @
  -f FORKS, --forks FORKS
                        specify number of parallel processes to use (default=5)
  -h, --help            show this help message and exit
  -i INVENTORY, --inventory INVENTORY, --inventory-file INVENTORY
                        specify inventory host path or comma separated host list. --inventory-file is deprecated
  -k, --ask-pass        ask for connection password
  -l SUBSET, --limit SUBSET
                        further limit selected hosts to an additional pattern
  -m MODULE_NAME, --module-name MODULE_NAME
                        Name of the action to execute (default=command)
  -o, --one-line        condense output
  -t TREE, --tree TREE  log output to this directory
  -v, --verbose         Causes Ansible to print more debug messages. Adding multiple -v will increase the verbosity, the builtin plugins currently evaluate up to
                        -vvvvvv. A reasonable level to start is -vvv, connection debugging might require -vvvv.

Privilege Escalation Options:
  control how and which user you become as on target hosts

  --become-method BECOME_METHOD
                        privilege escalation method to use (default=sudo), use `ansible-doc -t become -l` to list valid choices.
  --become-user BECOME_USER
                        run operations as this user (default=root)
  -b, --become          run operations with become (does not imply password prompting)

Connection Options:
  control as whom and how to connect to hosts

  --private-key PRIVATE_KEY_FILE, --key-file PRIVATE_KEY_FILE
                        use this file to authenticate the connection
  --scp-extra-args SCP_EXTRA_ARGS
                        specify extra arguments to pass to scp only (e.g. -l)
  --sftp-extra-args SFTP_EXTRA_ARGS
                        specify extra arguments to pass to sftp only (e.g. -f, -l)
  --ssh-common-args SSH_COMMON_ARGS
                        specify common arguments to pass to sftp/scp/ssh (e.g. ProxyCommand)
  --ssh-extra-args SSH_EXTRA_ARGS
                        specify extra arguments to pass to ssh only (e.g. -R)
  -T TIMEOUT, --timeout TIMEOUT
                        override the connection timeout in seconds (default=10)
  -c CONNECTION, --connection CONNECTION
                        connection type to use (default=smart)
  -u REMOTE_USER, --user REMOTE_USER
                        connect as this user (default=None)

Some actions do not make sense in Ad-Hoc (include, meta, etc)
ERROR! No argument passed to command module

===================

I am very new to ansible. Can someone please guide how to extract vcenter VM hosted info via ansible ..should hosts file have vcenter host related info or host has to be localhost from where ansible is triggered or ESXi hosts under Vcenter.

Thanks for help in advance.

Regards

Karun

[Dick Visser]

This is your error. 

It indicates that you 'triggered' ansible playbook incorrectly. Apparently you supplied a file name as the host pattern. 

What are you files called?

And what command do you run?

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[Walter Rowe]

I recommend you take an ansible class. The class is very worth the time and money. It will help you past these initial hurdles more quickly than asking in online forums. I put over 50 people through it two years ago. Worth every penny.

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