DescribeInstances Ruby Example
require 'chilkat'
# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.
rest = Chilkat::CkRest.new()
authAws = Chilkat::CkAuthAws.new()
authAws.put_AccessKey("AWS_ACCESS_KEY")
authAws.put_SecretKey("AWS_SECRET_KEY")
# Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
authAws.put_Region("us-west-2")
authAws.put_ServiceName("opsworks")
# SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws)
# URL: https://opsworks.us-west-2.amazonaws.com/
# Use the same region as specified above.
success = rest.Connect("opsworks.us-west-2.amazonaws.com",443,true,true)
if (success != true)
print "ConnectFailReason: " + rest.get_ConnectFailReason().to_s() + "\n";
print rest.lastErrorText() + "\n";
exit
end
# The following code creates the JSON request body.
# The JSON created by this code is shown below.
# Use this online tool to generate code from sample JSON:
# Generate Code to Create JSON
json = Chilkat::CkJsonObject.new()
json.UpdateString("InstanceIds[0]","string")
json.UpdateString("LayerId","string")
json.UpdateString("StackId","string")
# The JSON request body created by the above code:
# {
# "InstanceIds": [
# "string"
# ],
# "LayerId": "string",
# "StackId": "string"
# }
rest.AddHeader("Content-Type","application/x-amz-json-1.1")
rest.AddHeader("X-Amz-Target","OpsWorks_20130218.DescribeInstances")
sbRequestBody = Chilkat::CkStringBuilder.new()
json.EmitSb(sbRequestBody)
sbResponseBody = Chilkat::CkStringBuilder.new()
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
if (success != true)
print rest.lastErrorText() + "\n";
exit
end
respStatusCode = rest.get_ResponseStatusCode()
print "response status code = " + respStatusCode.to_s() + "\n";
if (respStatusCode != 200)
print "Response Header:" + "\n";
print rest.responseHeader() + "\n";
print "Response Body:" + "\n";
print sbResponseBody.getAsString() + "\n";
exit
end
jResp = Chilkat::CkJsonObject.new()
jResp.LoadSb(sbResponseBody)
# The following code parses the JSON response.
# A sample JSON response is shown below the sample code.
# Use this online tool to generate parsing code from sample JSON:
# Generate Parsing Code from JSON
i = 0
count_i = jResp.SizeOfArray("Instances")
while i < count_i
jResp.put_I(i)
AgentVersion = jResp.stringOf("Instances[i].AgentVersion")
AmiId = jResp.stringOf("Instances[i].AmiId")
Architecture = jResp.stringOf("Instances[i].Architecture")
Arn = jResp.stringOf("Instances[i].Arn")
AutoScalingType = jResp.stringOf("Instances[i].AutoScalingType")
AvailabilityZone = jResp.stringOf("Instances[i].AvailabilityZone")
CreatedAt = jResp.stringOf("Instances[i].CreatedAt")
EbsOptimized = jResp.IntOf("Instances[i].EbsOptimized")
Ec2InstanceId = jResp.stringOf("Instances[i].Ec2InstanceId")
EcsClusterArn = jResp.stringOf("Instances[i].EcsClusterArn")
EcsContainerInstanceArn = jResp.stringOf("Instances[i].EcsContainerInstanceArn")
ElasticIp = jResp.stringOf("Instances[i].ElasticIp")
Hostname = jResp.stringOf("Instances[i].Hostname")
InfrastructureClass = jResp.stringOf("Instances[i].InfrastructureClass")
InstallUpdatesOnBoot = jResp.IntOf("Instances[i].InstallUpdatesOnBoot")
InstanceId = jResp.stringOf("Instances[i].InstanceId")
InstanceProfileArn = jResp.stringOf("Instances[i].InstanceProfileArn")
InstanceType = jResp.stringOf("Instances[i].InstanceType")
LastServiceErrorId = jResp.stringOf("Instances[i].LastServiceErrorId")
Os = jResp.stringOf("Instances[i].Os")
Platform = jResp.stringOf("Instances[i].Platform")
PrivateDns = jResp.stringOf("Instances[i].PrivateDns")
PrivateIp = jResp.stringOf("Instances[i].PrivateIp")
PublicDns = jResp.stringOf("Instances[i].PublicDns")
PublicIp = jResp.stringOf("Instances[i].PublicIp")
RegisteredBy = jResp.stringOf("Instances[i].RegisteredBy")
ReportedAgentVersion = jResp.stringOf("Instances[i].ReportedAgentVersion")
Family = jResp.stringOf("Instances[i].ReportedOs.Family")
Name = jResp.stringOf("Instances[i].ReportedOs.Name")
Version = jResp.stringOf("Instances[i].ReportedOs.Version")
RootDeviceType = jResp.stringOf("Instances[i].RootDeviceType")
RootDeviceVolumeId = jResp.stringOf("Instances[i].RootDeviceVolumeId")
SshHostDsaKeyFingerprint = jResp.stringOf("Instances[i].SshHostDsaKeyFingerprint")
SshHostRsaKeyFingerprint = jResp.stringOf("Instances[i].SshHostRsaKeyFingerprint")
SshKeyName = jResp.stringOf("Instances[i].SshKeyName")
StackId = jResp.stringOf("Instances[i].StackId")
Status = jResp.stringOf("Instances[i].Status")
SubnetId = jResp.stringOf("Instances[i].SubnetId")
Tenancy = jResp.stringOf("Instances[i].Tenancy")
VirtualizationType = jResp.stringOf("Instances[i].VirtualizationType")
j = 0
count_j = jResp.SizeOfArray("Instances[i].BlockDeviceMappings")
while j < count_j
jResp.put_J(j)
DeviceName = jResp.stringOf("Instances[i].BlockDeviceMappings[j].DeviceName")
DeleteOnTermination = jResp.IntOf("Instances[i].BlockDeviceMappings[j].Ebs.DeleteOnTermination")
Iops = jResp.IntOf("Instances[i].BlockDeviceMappings[j].Ebs.Iops")
SnapshotId = jResp.stringOf("Instances[i].BlockDeviceMappings[j].Ebs.SnapshotId")
VolumeSize = jResp.IntOf("Instances[i].BlockDeviceMappings[j].Ebs.VolumeSize")
VolumeType = jResp.stringOf("Instances[i].BlockDeviceMappings[j].Ebs.VolumeType")
NoDevice = jResp.stringOf("Instances[i].BlockDeviceMappings[j].NoDevice")
VirtualName = jResp.stringOf("Instances[i].BlockDeviceMappings[j].VirtualName")
j = j + 1
end
j = 0
count_j = jResp.SizeOfArray("Instances[i].LayerIds")
while j < count_j
jResp.put_J(j)
strVal = jResp.stringOf("Instances[i].LayerIds[j]")
j = j + 1
end
j = 0
count_j = jResp.SizeOfArray("Instances[i].SecurityGroupIds")
while j < count_j
jResp.put_J(j)
strVal = jResp.stringOf("Instances[i].SecurityGroupIds[j]")
j = j + 1
end
i = i + 1
end
# A sample JSON response body parsed by the above code:
# {
# "Instances": [
# {
# "AgentVersion": "string",
# "AmiId": "string",
# "Architecture": "string",
# "Arn": "string",
# "AutoScalingType": "string",
# "AvailabilityZone": "string",
# "BlockDeviceMappings": [
# {
# "DeviceName": "string",
# "Ebs": {
# "DeleteOnTermination": boolean,
# "Iops": number,
# "SnapshotId": "string",
# "VolumeSize": number,
# "VolumeType": "string"
# },
# "NoDevice": "string",
# "VirtualName": "string"
# }
# ],
# "CreatedAt": "string",
# "EbsOptimized": boolean,
# "Ec2InstanceId": "string",
# "EcsClusterArn": "string",
# "EcsContainerInstanceArn": "string",
# "ElasticIp": "string",
# "Hostname": "string",
# "InfrastructureClass": "string",
# "InstallUpdatesOnBoot": boolean,
# "InstanceId": "string",
# "InstanceProfileArn": "string",
# "InstanceType": "string",
# "LastServiceErrorId": "string",
# "LayerIds": [
# "string"
# ],
# "Os": "string",
# "Platform": "string",
# "PrivateDns": "string",
# "PrivateIp": "string",
# "PublicDns": "string",
# "PublicIp": "string",
# "RegisteredBy": "string",
# "ReportedAgentVersion": "string",
# "ReportedOs": {
# "Family": "string",
# "Name": "string",
# "Version": "string"
# },
# "RootDeviceType": "string",
# "RootDeviceVolumeId": "string",
# "SecurityGroupIds": [
# "string"
# ],
# "SshHostDsaKeyFingerprint": "string",
# "SshHostRsaKeyFingerprint": "string",
# "SshKeyName": "string",
# "StackId": "string",
# "Status": "string",
# "SubnetId": "string",
# "Tenancy": "string",
# "VirtualizationType": "string"
# }
# ]
# }
