EC2 Describe Instances produced different format from CLI vs Boto3












0















I am getting a different output for dates depending on how I run the ec2 describe-instances command.



From CLI, the following output is given:



"BlockDeviceMappings": [
{
"DeviceName": "/dev/sda1",
"Ebs": {
"Status": "attached",
"DeleteOnTermination": false,
"VolumeId": "vol-032ed502806c9e847",
"AttachTime": "2018-11-08T21:30:24.000Z"


From PyCharm, I get the following:



'BlockDeviceMappings': [{'DeviceName': '/dev/sda1',
'Ebs': {'AttachTime': datetime.datetime(2018, 7, 14, 16, 44, 31, tzinfo=tzutc()),
'DeleteOnTermination': True,
'Status': 'attached',
'VolumeId': 'vol-096cd0ee0ace156df'}},


The "AttachTime" is not converting to a date. When I run an operation and tried to write the output dictionary to a JSON file, the following error comes up:
TypeError: Object of type datetime is not JSON serializable



I tried importing datetime and that doesn't work. Why is this happening? And is there a way to fix this so the formatting is the same when using both opeartion?










share|improve this question























  • Use datetime.strftime(format) to convert the datetime object to a string. See: Python datetime to string without microsecond component

    – John Rotenstein
    Nov 15 '18 at 18:46


















0















I am getting a different output for dates depending on how I run the ec2 describe-instances command.



From CLI, the following output is given:



"BlockDeviceMappings": [
{
"DeviceName": "/dev/sda1",
"Ebs": {
"Status": "attached",
"DeleteOnTermination": false,
"VolumeId": "vol-032ed502806c9e847",
"AttachTime": "2018-11-08T21:30:24.000Z"


From PyCharm, I get the following:



'BlockDeviceMappings': [{'DeviceName': '/dev/sda1',
'Ebs': {'AttachTime': datetime.datetime(2018, 7, 14, 16, 44, 31, tzinfo=tzutc()),
'DeleteOnTermination': True,
'Status': 'attached',
'VolumeId': 'vol-096cd0ee0ace156df'}},


The "AttachTime" is not converting to a date. When I run an operation and tried to write the output dictionary to a JSON file, the following error comes up:
TypeError: Object of type datetime is not JSON serializable



I tried importing datetime and that doesn't work. Why is this happening? And is there a way to fix this so the formatting is the same when using both opeartion?










share|improve this question























  • Use datetime.strftime(format) to convert the datetime object to a string. See: Python datetime to string without microsecond component

    – John Rotenstein
    Nov 15 '18 at 18:46
















0












0








0








I am getting a different output for dates depending on how I run the ec2 describe-instances command.



From CLI, the following output is given:



"BlockDeviceMappings": [
{
"DeviceName": "/dev/sda1",
"Ebs": {
"Status": "attached",
"DeleteOnTermination": false,
"VolumeId": "vol-032ed502806c9e847",
"AttachTime": "2018-11-08T21:30:24.000Z"


From PyCharm, I get the following:



'BlockDeviceMappings': [{'DeviceName': '/dev/sda1',
'Ebs': {'AttachTime': datetime.datetime(2018, 7, 14, 16, 44, 31, tzinfo=tzutc()),
'DeleteOnTermination': True,
'Status': 'attached',
'VolumeId': 'vol-096cd0ee0ace156df'}},


The "AttachTime" is not converting to a date. When I run an operation and tried to write the output dictionary to a JSON file, the following error comes up:
TypeError: Object of type datetime is not JSON serializable



I tried importing datetime and that doesn't work. Why is this happening? And is there a way to fix this so the formatting is the same when using both opeartion?










share|improve this question














I am getting a different output for dates depending on how I run the ec2 describe-instances command.



From CLI, the following output is given:



"BlockDeviceMappings": [
{
"DeviceName": "/dev/sda1",
"Ebs": {
"Status": "attached",
"DeleteOnTermination": false,
"VolumeId": "vol-032ed502806c9e847",
"AttachTime": "2018-11-08T21:30:24.000Z"


From PyCharm, I get the following:



'BlockDeviceMappings': [{'DeviceName': '/dev/sda1',
'Ebs': {'AttachTime': datetime.datetime(2018, 7, 14, 16, 44, 31, tzinfo=tzutc()),
'DeleteOnTermination': True,
'Status': 'attached',
'VolumeId': 'vol-096cd0ee0ace156df'}},


The "AttachTime" is not converting to a date. When I run an operation and tried to write the output dictionary to a JSON file, the following error comes up:
TypeError: Object of type datetime is not JSON serializable



I tried importing datetime and that doesn't work. Why is this happening? And is there a way to fix this so the formatting is the same when using both opeartion?







boto3 aws-cli python-3.7






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asked Nov 15 '18 at 14:16









kravbkravb

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104













  • Use datetime.strftime(format) to convert the datetime object to a string. See: Python datetime to string without microsecond component

    – John Rotenstein
    Nov 15 '18 at 18:46





















  • Use datetime.strftime(format) to convert the datetime object to a string. See: Python datetime to string without microsecond component

    – John Rotenstein
    Nov 15 '18 at 18:46



















Use datetime.strftime(format) to convert the datetime object to a string. See: Python datetime to string without microsecond component

– John Rotenstein
Nov 15 '18 at 18:46







Use datetime.strftime(format) to convert the datetime object to a string. See: Python datetime to string without microsecond component

– John Rotenstein
Nov 15 '18 at 18:46














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