Launching an EC2 instance

We now have all the information required to launch our instance. Let's finally launch it as follows:

$ aws ec2 run-instances \
    --instance-type t2.micro \
    --key-name EffectiveDevOpsAWS \
    --security-group-ids sg-01864b4c \
    --image-id ami-cfe4b2b0
{
    "Instances": [
        {
            "Monitoring": {
                "State": "disabled"
            },
            "PublicDnsName": "",
            "StateReason": {
                "Message": "pending",
                "Code": "pending"
            },
            "State": {
                "Code": 0,
                "Name": "pending"
            },
            "EbsOptimized": false,
            "LaunchTime": "2018-08-08T06:38:43.000Z",
            "PrivateIpAddress": "172.31.22.52",
            "ProductCodes": [],
            "VpcId": "vpc-4cddce2a",
            "CpuOptions": {
                "CoreCount": 1,
                "ThreadsPerCore": 1
            },
            "StateTransitionReason": "",
            "InstanceId": "i-057e8deb1a4c3f35d",
            "ImageId": "ami-cfe4b2b0",
            "PrivateDnsName": "ip-172-31-22-52.ec2.internal",
            "KeyName": "EffectiveDevOpsAWS",
            "SecurityGroups": [
                {
                    "GroupName": "HelloWorld",
                    "GroupId": "sg-01864b4c"
                }
            ],
            "ClientToken": "",
            "SubnetId": "subnet-6fdd7927",
            "InstanceType": "t2.micro",
            "NetworkInterfaces": [
                {
                    "Status": "in-use",
                    "MacAddress": "0a:d0:b9:db:7b:38",
                    "SourceDestCheck": true,
                    "VpcId": "vpc-4cddce2a",
                    "Description": "",
                    "NetworkInterfaceId": "eni-001aaa6b5c7f92b9f",
                    "PrivateIpAddresses": [
                        {
                            "PrivateDnsName": "ip-172-31-22-
                             52.ec2.internal",
                            "Primary": true,
                            "PrivateIpAddress": "172.31.22.52"
                        }
                    ],
                    "PrivateDnsName": "ip-172-31-22-52.ec2.internal",
                    "Attachment": {
                        "Status": "attaching",
                        "DeviceIndex": 0,
                        "DeleteOnTermination": true,
                        "AttachmentId": "eni-attach-0428b549373b9f864",
                        "AttachTime": "2018-08-08T06:38:43.000Z"
                    },
                    "Groups": [
                        {
                            "GroupName": "HelloWorld",
                            "GroupId": "sg-01864b4c"
                        }
                    ],
                    "Ipv6Addresses": [],
                    "OwnerId": "094507990803",
                    "SubnetId": "subnet-6fdd7927",
                    "PrivateIpAddress": "172.31.22.52"
                }
            ],
            "SourceDestCheck": true,
            "Placement": {
                "Tenancy": "default",
                "GroupName": "",
                "AvailabilityZone": "us-east-1c"
            },
            "Hypervisor": "xen",
            "BlockDeviceMappings": [],
            "Architecture": "x86_64",
            "RootDeviceType": "ebs",
            "RootDeviceName": "/dev/xvda",
            "VirtualizationType": "hvm",
            "AmiLaunchIndex": 0
        }
    ],
    "ReservationId": "r-09a637b7a3be11d8b",
    "Groups": [],
    "OwnerId": "094507990803"
}

You can track the progress of the instance creation. To do that, get the instance ID provided in the output of the aws ec2 run-instances command and run the following command:

$ aws ec2 describe-instance-status --instance-ids i-057e8deb1a4c3f35d
{
    "InstanceStatuses": [
        {
            "InstanceId": "i-057e8deb1a4c3f35d",
            "InstanceState": {
                "Code": 16,
                "Name": "running"
            },
            "AvailabilityZone": "us-east-1c",
            "SystemStatus": {
                "Status": "initializing",
                "Details": [
                    {
                        "Status": "initializing",
                        "Name": "reachability"
                    }
                ]
            },
            "InstanceStatus": {
                "Status": "initializing",
                "Details": [
                    {
                        "Status": "initializing",
                        "Name": "reachability"
                    }
                ]
            }
        }
    ]
}

The instance will be ready once the status under SystemStatus changes from initializing to ok:

$ aws ec2 describe-instance-status --instance-ids i-057e8deb1a4c3f35d --output text| grep -i SystemStatus

SYSTEMSTATUS ok