CkPython
CkPython
EC2 Check Instance Status
See more Amazon EC2 Examples
Demonstrates how to send a request to check the status of Amazon EC2 instances.Chilkat CkPython Downloads
import sys
import chilkat
success = False
# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.
rest = chilkat.CkRest()
# Connect to the Amazon AWS server.
# such as https://ec2.amazonaws.com/
bTls = True
port = 443
bAutoReconnect = True
success = rest.Connect("ec2.us-west-2.amazonaws.com",port,bTls,bAutoReconnect)
# Provide AWS credentials for the REST call.
authAws = chilkat.CkAuthAws()
authAws.put_AccessKey("AWS_ACCESS_KEY")
authAws.put_SecretKey("AWS_SECRET_KEY")
# the region should match the region part of the domain passed to the REST connect method (above).
authAws.put_Region("us-west-2")
authAws.put_ServiceName("ec2")
rest.SetAuthAws(authAws)
rest.AddQueryParam("Action","DescribeInstanceStatus")
rest.AddQueryParam("Version","2016-11-15")
rest.AddQueryParam("InstanceId.1","i-999719995399c9999")
# If you have additional instances to check, then add them with .2, .3, etc.
rest.AddQueryParam("InstanceId.2","i-999719995399c0000")
rest.AddQueryParam("InstanceId.3","i-999719995399c0111")
# ...
# Instead of checking specific instances, you can check all instances by
# sending the IncludeAllInstances param
rest.AddQueryParam("IncludeAllInstances","true")
responseXml = rest.fullRequestNoBody("GET","/")
if (rest.get_LastMethodSuccess() != True):
print(rest.lastErrorText())
sys.exit()
# A successful response will have a status code equal to 200.
if (rest.get_ResponseStatusCode() != 200):
print("response status code = " + str(rest.get_ResponseStatusCode()))
print("response status text = " + rest.responseStatusText())
print("response header: " + rest.responseHeader())
print("response body: " + responseXml)
sys.exit()
# Examine the successful XML response.
xml = chilkat.CkXml()
xml.LoadXml(responseXml)
print(xml.getXml())
# Here is a sample response:
# Use this online tool to generate parsing code from sample XML:
# Generate Parsing Code from XML
# <DescribeInstanceStatusResponse xmlns="http://ec2.amazonaws.com/doc/2016-11-15/">
# <requestId>3be1508e-c444-4fef-89cc-0b1223c4f02fEXAMPLE</requestId>
# <instanceStatusSet>
# <item>
# <instanceId>i-1234567890abcdef0</instanceId>
# <availabilityZone>us-east-1d</availabilityZone>
# <instanceState>
# <code>16</code>
# <name>running</name>
# </instanceState>
# <systemStatus>
# <status>impaired</status>
# <details>
# <item>
# <name>reachability</name>
# <status>failed</status>
# <impairedSince>YYYY-MM-DDTHH:MM:SS.000Z</impairedSince>
# </item>
# </details>
# </systemStatus>
# <instanceStatus>
# <status>impaired</status>
# <details>
# <item>
# <name>reachability</name>
# <status>failed</status>
# <impairedSince>YYYY-MM-DDTHH:MM:SS.000Z</impairedSince>
# </item>
# </details>
# </instanceStatus>
# <eventsSet>
# <item>
# <code>instance-retirement</code>
# <description>The instance is running on degraded hardware</description>
# <notBefore>YYYY-MM-DDTHH:MM:SS+0000</notBefore>
# <notAfter>YYYY-MM-DDTHH:MM:SS+0000</notAfter>
# </item>
# </eventsSet>
# </item>
# <item>
# <instanceId>i-0598c7d356eba48d7</instanceId>
# <availabilityZone>us-east-1d</availabilityZone>
# <instanceState>
# <code>16</code>
# <name>running</name>
# </instanceState>
# <systemStatus>
# <status>ok</status>
# <details>
# <item>
# <name>reachability</name>
# <status>passed</status>
# </item>
# </details>
# </systemStatus>
# <instanceStatus>
# <status>ok</status>
# <details>
# <item>
# <name>reachability</name>
# <status>passed</status>
# </item>
# </details>
# </instanceStatus>
# <eventsSet>
# <item>
# <code>instance-reboot</code>
# <description>The instance is scheduled for a reboot</description>
# <notBefore>YYYY-MM-DDTHH:MM:SS+0000</notBefore>
# <notAfter>YYYY-MM-DDTHH:MM:SS+0000</notAfter>
# </item>
# </eventsSet>
# </item>
# <item>
# <instanceId>i-0987654321abcdef0</instanceId>
# <availabilityZone>us-east-1d</availabilityZone>
# <instanceState>
# <code>16</code>
# <name>running</name>
# </instanceState>
# <systemStatus>
# <status>ok</status>
# <details>
# <item>
# <name>reachability</name>
# <status>passed</status>
# </item>
# </details>
# </systemStatus>
# <instanceStatus>
# <status>ok</status>
# <details>
# <item>
# <name>reachability</name>
# <status>passed</status>
# </item>
# </details>
# </instanceStatus>
# </item>
# <item>
# <instanceId>i-0598c7d356eba48d8</instanceId>
# <availabilityZone>us-east-1d</availabilityZone>
# <instanceState>
# <code>16</code>
# <name>running</name>
# </instanceState>
# <systemStatus>
# <status>ok</status>
# <details>
# <item>
# <name>reachability</name>
# <status>passed</status>
# </item>
# </details>
# </systemStatus>
# <instanceStatus>
# <status>insufficient-data</status>
# <details>
# <item>
# <name>reachability</name>
# <status>insufficient-data</status>
# </item>
# </details>
# </instanceStatus>
# </item>
# </instanceStatusSet>
# </DescribeInstanceStatusResponse>