[英]How to get AWS EC2 Instance object by id from java code?
I hava AmazonEC2Client connected to my account. 我已经将AmazonEC2Client连接到我的帐户。 I can ask AWS my Reservations and Instances by
我可以通过以下方式向AWS询问我的预订和实例
DescribeInstancesResult describeInstancesRequest = amazonEC2Client.describeInstances();
List<Reservation> reservations = describeInstancesRequest.getReservations();
Set<Instance> instances = new HashSet<Instance>();
for (Reservation reservation : reservations) {
instances.addAll(reservation.getInstances());
}
But if I already know the Id of instance, can I somehow get Instance object for it without requesting reservations and all instances? 但是,如果我已经知道实例的ID,是否可以以某种方式为其获取实例对象而无需请求保留和所有实例?
You need to use : 您需要使用:
describeInstances (DescribeInstancesRequest describeInstancesRequest)
instead of 代替
describeInstances()
. describeInstances()
。
You can set the instanceId
in the DescribeInstancesRequest
. 您可以在
DescribeInstancesRequest
设置instanceId
。
You need to use the setInstanceIds(Collection<String> instanceIds)
method of DescribeInstancesRequest
to set the instanceId(s) you are searching for. 您需要使用
DescribeInstancesRequest
的setInstanceIds(Collection<String> instanceIds)
方法来设置要搜索的instanceId。
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