From 426e76dddb1e8ac08d9c16923fa3baa4d218358f Mon Sep 17 00:00:00 2001 From: Ritesh Khadgaray Date: Wed, 2 Dec 2015 19:33:34 +0530 Subject: [PATCH] vmware_vm_shell: add the ability to start program without network connection --- cloud/vmware/vmware_vm_shell.py | 191 ++++++++++++++++++++++++++++++++ 1 file changed, 191 insertions(+) create mode 100644 cloud/vmware/vmware_vm_shell.py diff --git a/cloud/vmware/vmware_vm_shell.py b/cloud/vmware/vmware_vm_shell.py new file mode 100644 index 00000000000..c8f42202f42 --- /dev/null +++ b/cloud/vmware/vmware_vm_shell.py @@ -0,0 +1,191 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- + +# (c) 2015, Ritesh Khadgaray +# +# This file is part of Ansible +# +# Ansible is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# Ansible is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with Ansible. If not, see . + +DOCUMENTATION = ''' +--- +module: vmware_vm_shell +short_description: Execute a process in VM +description: + - Start a program in a VM without the need for network connection +version_added: 2.0 +author: "Ritesh Khadgaray (@ritzk)" +notes: + - Tested on vSphere 5.5 + - Only the first match against vm_id is used, even if there are multiple matches +requirements: + - "python >= 2.6" + - PyVmomi +options: + hostname: + description: + - The hostname or IP address of the vSphere vCenter API server + required: True + username: + description: + - The username of the vSphere vCenter + required: True + aliases: ['user', 'admin'] + password: + description: + - The password of the vSphere vCenter + required: True + aliases: ['pass', 'pwd'] + datacenter: + description: + - The datacenter hosting the VM + required: False + vm_id: + description: + - The identification for the VM + required: True + vm_id_type: + description: + - The identification tag for the VM + default: dns_name + choices: + - 'uuid' + - 'dns_name' + - 'inventory_path' + required: False + vm_username: + description: + - The user to connect to the VM. + required: False + vm_password: + description: + - The password used to login to the VM. + required: False + vm_shell: + description: + - The absolute path to the program to start. On Linux this is executed via bash. + required: True + vm_shell_args: + description: + - The argument to the program. + required: False + default: None + vm_shell_env: + description: + - Comma seperated list of envirnoment variable, specified in the guest OS notation + required: False + default: None + vm_shell_cwd: + description: + - The current working directory of the application from which it will be run + required: False + default: None +''' + +EXAMPLES = ''' + - name: shell execution + local_action: + module: vmware_vm_shell + hostname: myVSphere + username: myUsername + password: mySecret + datacenter: myDatacenter + vm_id: DNSnameOfVM + vm_username: root + vm_password: superSecret + vm_shell: /bin/echo + vm_shell_args: " $var >> myFile " + vm_shell_env: + - "PATH=/bin" + - "var=test" + vm_shell_cwd: "/tmp" + +''' + +try: + from pyVmomi import vim, vmodl + HAS_PYVMOMI = True +except ImportError: + HAS_PYVMOMI = False + +def find_vm(content, vm_id, vm_id_type="dns_name", datacenter=None): + si = content.searchIndex + vm = None + + if datacenter: + datacenter = find_datacenter_by_name(content, datacenter) + + if vm_id_type == 'dns_name': + vm = si.FindByDnsName(datacenter=datacenter, dnsName=vm_id, vmSearch=True) + elif vm_id_type == 'inventory_path': + vm = si.FindByInventoryPath(inventoryPath=vm_id) + if type(vm) != type(vim.VirtualMachine): + vm = None + elif vm_id_type == 'uuid': + vm = si.FindByUuid(datacenter=datacenter, uuid=vm_id, vmSearch=True) + + return vm + +# https://github.com/vmware/pyvmomi-community-samples/blob/master/samples/execute_program_in_vm.py +def execute_command(content, vm, vm_username, vm_password, program_path, args="", env=None, cwd=None): + + creds = vim.vm.guest.NamePasswordAuthentication(username=vm_username, password=vm_password) + cmdspec = vim.vm.guest.ProcessManager.ProgramSpec(arguments=args, envVariables=env, programPath=program_path, workingDirectory=cwd) + cmdpid = content.guestOperationsManager.processManager.StartProgramInGuest(vm=vm, auth=creds, spec=cmdspec) + + return cmdpid + +def main(): + + argument_spec = vmware_argument_spec() + argument_spec.update(dict(datacenter=dict(default=None, type='str'), + vm_id=dict(required=True, type='str'), + vm_id_type=dict(default='dns_name', type='str', choices=['inventory_path', 'uuid', 'dns_name']), + vm_username=dict(required=False, type='str'), + vm_password=dict(required=False, type='str', no_log=True), + vm_shell=dict(required=True, type='str'), + vm_shell_args=dict(default=" ", type='str'), + vm_shell_env=dict(default=None, type='list'), + vm_shell_cwd=dict(default=None, type='str'))) + + module = AnsibleModule(argument_spec=argument_spec, supports_check_mode=False) + + if not HAS_PYVMOMI: + module.fail_json(msg='pyvmomi is required for this module') + + try: + p = module.params + content = connect_to_api(module) + + vm = find_vm(content, p['vm_id'], p['vm_id_type'], p['datacenter']) + if not vm: + module.fail_json(msg='failed to find VM') + + msg = execute_command(content, vm, p['vm_username'], p['vm_password'], + p['vm_shell'], p['vm_shell_args'], p['vm_shell_env'], p['vm_shell_cwd']) + + module.exit_json(changed=False, virtual_machines=vm.name, msg=msg) + except vmodl.RuntimeFault as runtime_fault: + module.fail_json(msg=runtime_fault.msg) + except vmodl.MethodFault as method_fault: + module.fail_json(msg=method_fault.msg) + except Exception as e: + module.fail_json(msg=str(e)) + +from ansible.module_utils.vmware import * +from ansible.module_utils.basic import * + +if __name__ == '__main__': + main() +