AttributeError ec2 ServiceResource object has no attribute send command

0 votes

Dear all,

I have tried to creating user credentials in windows EC2 instance using boto3 script. But I get an error like below

"AttributeError: 'ec2.ServiceResource' object has no attribute 'send_command"

It's my Boto3 code

#!/usr/bin/env python3

import boto3
import os
import subprocess

ssm_client = boto3.resource('ec2',aws_access_key_id='xxxxxx',aws_secret_access_key='yyyyy', region_name='us-west-2')

session = boto3.Session (profile_name='exampleaws')

response = ssm_client.send_command(
             InstanceIds=[
                "i-xxxxxx" # use instance id on which you want to execute, even multiple is allowd
                     ],
             DocumentName="AWS-RunPowerShellScript",
             Parameters={
                'commands':[
                     'New-LocalUser "Latchu" -Password "ABCD123" -FullName "LakshmiNarayanan" -Description "User-Details'
                       ]
                   },
             )
command_id = response['Command']['CommandId']
output = ssm_client.get_command_invocation(
      CommandId=command_id,
      InstanceId='i-xxxxxx',
    )
print(output)

----

What's the issue?

Oct 7, 2020 in AWS by Lakshminarayanan
• 1,360 points

edited Oct 7, 2020 by MD 399 views

1 answer to this question.

+2 votes
Best answer

Hi@Lakshminarayanan,

The send_command attribute is not available in boto3. You can check as shown below.

 import boto3
client = boto3.resource('ec2',aws_access_key_id='xxxxxx',aws_secret_access_key='yyyyy', region_name='us-west-2')
dir(client)
['ClassicAddress', 'DhcpOptions', 'Image', 'Instance', 'InternetGateway', 'KeyPair', 'NetworkAcl', 'NetworkInterface', 'NetworkInterfaceAssociation', 'PlacementGroup', 'Route', 'RouteTable', 'RouteTableAssociation', 'SecurityGroup', 'Snapshot', 'Subnet', 'Tag', 'Volume', 'Vpc', 'VpcAddress', 'VpcPeeringConnection', '__class__', '__delattr__', '__dict__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__le__', '__lt__', '__module__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', '__weakref__', 'classic_addresses', 'create_dhcp_options', 'create_instances', 'create_internet_gateway', 'create_key_pair', 'create_network_acl', 'create_network_interface', 'create_placement_group', 'create_route_table', 'create_security_group', 'create_snapshot', 'create_subnet', 'create_tags', 'create_volume', 'create_vpc', 'create_vpc_peering_connection', 'dhcp_options_sets', 'disassociate_route_table', 'get_available_subresources', 'images', 'import_key_pair', 'instances', 'internet_gateways', 'key_pairs', 'meta', 'network_acls', 'network_interfaces', 'placement_groups', 'register_image', 'route_tables', 'security_groups', 'snapshots', 'subnets', 'volumes', 'vpc_addresses', 'vpc_peering_connections', 'vpcs']
answered Oct 7, 2020 by MD
• 95,040 points

selected Oct 7, 2020 by Lakshminarayanan

Hi,

what should I use instead of

response = ssm_client.send_command(
             InstanceIds=[
                "i-xxxxxx" # use instance id on which you want to execute, even multiple is allowd
                     ],
             DocumentName="AWS-RunPowerShellScript",
             Parameters={
                'commands':[
                     'New-LocalUser "Latchu" -Password "ABCD123" -FullName "LakshmiNarayanan" -Description "User-Details'
                       ]
                   },
             )

Hi,

I think you just need to add the below line in your code.

ssm_client = boto3.client('ssm')

This module contains the send_command argument.

#!/usr/bin/env python3
import boto3
import os
import subprocess
client = boto3.resource('ec2',aws_access_key_id='xxxxxx',aws_secret_access_key='yyyyy', region_name='us-west-2')

session = boto3.Session (profile_name='exampleaws')
ssm_client = boto3.client('ssm')
response = ssm_client.send_command(
             InstanceIds=[
                "i-xxxxxx" # use instance id on which you want to execute, even multiple is allowd
                     ],
             DocumentName="AWS-RunPowerShellScript",
             Parameters={
                'commands':[
                     'New-LocalUser "Latchu" -Password "ABCD123" -FullName "LakshmiNarayanan" -Description "User-Details'
                       ]
                   },
             )
command_id = response['Command']['CommandId']
output = ssm_client.get_command_invocation(
      CommandId=command_id,
      InstanceId='i-xxxxxx',
    )
print(output)

yes, but its getting error like below

    raise error_class(parsed_response, operation_name)
botocore.errorfactory.InvalidInstanceId: An error occurred (InvalidInstanceId) when calling the SendCommand operation:

Even I mentioned exact instance id.

Hi,

Ok. Check your region name properly because EC2 is region-specific. Just cross-check id, region. Your code is totally ok.

Everything is properly configured. but still saying "invalid instance id"
Ok, do one thing first print all the instance id using boto3. Check what it is showing.
Finally created user. Just i have used "net user username "password" /ADD " in powershell script. its created successfully. Many thanks for your support.

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