// Private function without the confirmation terminal prompts func rebootInstances(instList *Instances, dryRun bool) (err error) { for _, instance := range *instList { azs, _ := regions.GetAZs() svc := ec2.New(session.New(&aws.Config{Region: aws.String(azs.GetRegion(instance.AvailabilityZone))})) params := &ec2.RebootInstancesInput{ InstanceIds: []*string{ aws.String(instance.InstanceID), }, DryRun: aws.Bool(dryRun), } _, err := svc.RebootInstances(params) if err != nil { if awsErr, ok := err.(awserr.Error); ok { return errors.New(awsErr.Message()) } return err } terminal.Information("Rebooted Instance [" + instance.InstanceID + "] named [" + instance.Name + "] in [" + instance.AvailabilityZone + "]!") } return nil }
// CreateVolume creates a new EBS Volume func CreateVolume(class, name, az string, dryRun bool) error { // --dry-run flag if dryRun { terminal.Information("--dry-run flag is set, not making any actual changes!") } // Class Config volCfg, err := config.LoadVolumeClass(class) if err != nil { return err } terminal.Information("Found Volume Class Configuration for [" + class + "]!") // Verify the az input azs, errs := regions.GetAZs() if errs != nil { return errors.New("Error Verifying Availability Zone input") } if !azs.ValidAZ(az) { return cli.NewExitError("Availability Zone ["+az+"] is Invalid!", 1) } terminal.Information("Found Availability Zone [" + az + "]!") region := azs.GetRegion(az) // Get the latest snapshot latestSnapshot, err := GetLatestSnapshotByTag(region, "Class", volCfg.Snapshot) if err != nil { return err } terminal.Information("Found Snapshot [" + latestSnapshot.SnapshotID + "] with class [" + latestSnapshot.Class + "] created [" + latestSnapshot.CreatedHuman + "]!") svc := ec2.New(session.New(&aws.Config{Region: aws.String(region)})) params := &ec2.CreateVolumeInput{ AvailabilityZone: aws.String(az), DryRun: aws.Bool(dryRun), Size: aws.Int64(int64(volCfg.VolumeSize)), SnapshotId: aws.String(latestSnapshot.SnapshotID), VolumeType: aws.String(volCfg.VolumeType), //Encrypted: aws.Bool(true), //Iops: aws.Int64(1), //KmsKeyId: aws.String("String"), } createVolumeResp, err := svc.CreateVolume(params) if err != nil { if awsErr, ok := err.(awserr.Error); ok { return errors.New(awsErr.Message()) } return err } terminal.Information("Created Volume [" + *createVolumeResp.VolumeId + "] named [" + name + "] in [" + region + "]!") // Add Tags err = SetEc2NameAndClassTags(createVolumeResp.VolumeId, name, class, region) if err != nil { if awsErr, ok := err.(awserr.Error); ok { return errors.New(awsErr.Message()) } return err } return nil }
// Private function without the confirmation terminal prompts func updateAutoScaleGroups(asgList *AutoScaleGroups, version string, double, dryRun bool) (err error) { for _, asg := range *asgList { // Get the ASG class config cfg, err := config.LoadAutoscalingGroupClass(asg.Class) if err != nil { return err } terminal.Information("Found Autoscaling group class configuration for [" + asg.Class + "]") // Get the Launch Configuration class config launchConfigurationCfg, err := config.LoadLaunchConfigurationClass(cfg.LaunchConfigurationClass) if err != nil { return err } terminal.Information("Found Launch Configuration class configuration for [" + cfg.LaunchConfigurationClass + "]") // Get the AZs azs, errs := regions.GetAZs() if errs != nil { return errors.New("Error gathering region list") } for region, regionAZs := range azs.GetRegionMap(cfg.AvailabilityZones) { // TODO check if exists yet ? // Verify that the latest Launch Configuration is available in this region lcName := GetLaunchConfigurationName(region, cfg.LaunchConfigurationClass, launchConfigurationCfg.Version) if lcName == "" { return fmt.Errorf("Launch Configuration [%s] version [%d] is not available in [%s]!", cfg.LaunchConfigurationClass, launchConfigurationCfg.Version, region) } terminal.Information(fmt.Sprintf("Found latest Launch Configuration [%s] version [%d] in [%s]", cfg.LaunchConfigurationClass, launchConfigurationCfg.Version, asg.Region)) svc := autoscaling.New(session.New(&aws.Config{Region: aws.String(region)})) params := &autoscaling.UpdateAutoScalingGroupInput{ AutoScalingGroupName: aws.String(asg.Name), AvailabilityZones: []*string{ aws.String("XmlStringMaxLen255"), // Required // More values... }, DefaultCooldown: aws.Int64(int64(cfg.DefaultCooldown)), DesiredCapacity: aws.Int64(int64(cfg.DesiredCapacity)), HealthCheckGracePeriod: aws.Int64(int64(cfg.HealthCheckGracePeriod)), HealthCheckType: aws.String(cfg.HealthCheckType), LaunchConfigurationName: aws.String(lcName), MaxSize: aws.Int64(int64(asg.MaxSize)), MinSize: aws.Int64(int64(asg.MinSize)), //NewInstancesProtectedFromScaleIn: aws.Bool(true), // TODO? //PlacementGroup: aws.String("XmlStringMaxLen255"), // TODO } subList := new(Subnets) var vpcZones []string if cfg.SubnetClass != "" { err := GetRegionSubnets(region, subList, "") if err != nil { return err } } // Set the AZs for _, az := range regionAZs { if !azs.ValidAZ(az) { return cli.NewExitError("Availability Zone ["+az+"] is Invalid!", 1) } terminal.Information("Found Availability Zone [" + az + "]!") params.AvailabilityZones = append(params.AvailabilityZones, aws.String(az)) for _, sub := range *subList { if sub.Class == cfg.SubnetClass && sub.AvailabilityZone == az { vpcZones = append(vpcZones, sub.SubnetID) } } } // Set the VPCZoneIdentifier (SubnetIds seperated by comma) params.VPCZoneIdentifier = aws.String(strings.Join(vpcZones, ", ")) // Set the Termination Policies for _, terminationPolicy := range cfg.LoadBalancerNames { params.TerminationPolicies = append(params.TerminationPolicies, aws.String(terminationPolicy)) // ?? } // Update it! if !dryRun { _, err := svc.UpdateAutoScalingGroup(params) if err != nil { if awsErr, ok := err.(awserr.Error); ok { return errors.New(awsErr.Message()) } return err } terminal.Information("Updated AutoScaling Group [" + asg.Name + "] in [" + region + "]!") } else { fmt.Println(params) } } } return nil }
// CreateAutoScaleGroups creates a new AutoScale Group of the given class func CreateAutoScaleGroups(class string, dryRun bool) (err error) { // --dry-run flag if dryRun { terminal.Information("--dry-run flag is set, not making any actual changes!") } // Verify the asg config class input cfg, err := config.LoadAutoscalingGroupClass(class) if err != nil { return err } terminal.Information("Found Autoscaling group class configuration for [" + class + "]") // Verify the launchconfig class input launchConfigurationCfg, err := config.LoadLaunchConfigurationClass(cfg.LaunchConfigurationClass) if err != nil { return err } terminal.Information("Found Launch Configuration class configuration for [" + cfg.LaunchConfigurationClass + "]") // Get the AZs azs, errs := regions.GetAZs() if errs != nil { return errors.New("Error gathering region list") } for region, regionAZs := range azs.GetRegionMap(cfg.AvailabilityZones) { // Verify that the latest Launch Configuration is available in this region lcName := GetLaunchConfigurationName(region, cfg.LaunchConfigurationClass, launchConfigurationCfg.Version) if lcName == "" { return fmt.Errorf("Launch Configuration [%s] version [%d] is not available in [%s]!", cfg.LaunchConfigurationClass, launchConfigurationCfg.Version, region) } terminal.Information(fmt.Sprintf("Found latest Launch Configuration [%s] version [%d] in [%s]", cfg.LaunchConfigurationClass, launchConfigurationCfg.Version, region)) svc := autoscaling.New(session.New(&aws.Config{Region: aws.String(region)})) params := &autoscaling.CreateAutoScalingGroupInput{ AutoScalingGroupName: aws.String(class), MaxSize: aws.Int64(int64(cfg.MaxSize)), MinSize: aws.Int64(int64(cfg.MinSize)), DefaultCooldown: aws.Int64(int64(cfg.DefaultCooldown)), DesiredCapacity: aws.Int64(int64(cfg.DesiredCapacity)), HealthCheckGracePeriod: aws.Int64(int64(cfg.HealthCheckGracePeriod)), HealthCheckType: aws.String(cfg.HealthCheckType), LaunchConfigurationName: aws.String(lcName), // InstanceId: aws.String("XmlStringMaxLen19"), // TODO ? // NewInstancesProtectedFromScaleIn: aws.Bool(true), // TODO ? // PlacementGroup: aws.String("XmlStringMaxLen255"), // TODO ? Tags: []*autoscaling.Tag{ { // Name Key: aws.String("Name"), PropagateAtLaunch: aws.Bool(true), ResourceId: aws.String(class), ResourceType: aws.String("auto-scaling-group"), Value: aws.String(lcName), }, { // Class Key: aws.String("Class"), PropagateAtLaunch: aws.Bool(true), ResourceId: aws.String(class), ResourceType: aws.String("auto-scaling-group"), Value: aws.String(class), }, }, } subList := new(Subnets) var vpcZones []string if cfg.SubnetClass != "" { err := GetRegionSubnets(region, subList, "") if err != nil { return err } } // Set the AZs for _, az := range regionAZs { if !azs.ValidAZ(az) { return cli.NewExitError("Availability Zone ["+az+"] is Invalid!", 1) } terminal.Information("Found Availability Zone [" + az + "]!") params.AvailabilityZones = append(params.AvailabilityZones, aws.String(az)) for _, sub := range *subList { if sub.Class == cfg.SubnetClass && sub.AvailabilityZone == az { vpcZones = append(vpcZones, sub.SubnetID) } } } // Set the VPCZoneIdentifier (SubnetIds seperated by comma) params.VPCZoneIdentifier = aws.String(strings.Join(vpcZones, ", ")) // Set the Load Balancers for _, elb := range cfg.LoadBalancerNames { params.LoadBalancerNames = append(params.LoadBalancerNames, aws.String(elb)) } // Set the Termination Policies for _, terminationPolicy := range cfg.LoadBalancerNames { params.TerminationPolicies = append(params.TerminationPolicies, aws.String(terminationPolicy)) // ?? } // Create it! if !dryRun { _, err := svc.CreateAutoScalingGroup(params) if err != nil { if awsErr, ok := err.(awserr.Error); ok { return errors.New(awsErr.Message()) } return err } terminal.Information("Created AutoScaling Group [" + aws.StringValue(params.AutoScalingGroupName) + "] in [" + region + "]!") terminal.Information("Done!") } else { fmt.Println(params) } } return nil }
// CreateSubnet creates a new VPC Subnet func CreateSubnet(class, name, vpc, ip, az string, dryRun bool) error { // --dry-run flag if dryRun { terminal.Information("--dry-run flag is set, not making any actual changes!") } // Class Config cfg, err := config.LoadSubnetClass(class) if err != nil { return err } terminal.Information("Found Subnet Class Configuration for [" + class + "]!") // Verify the az input azs, errs := regions.GetAZs() if errs != nil { return errors.New("Error Verifying Availability Zone input") } if !azs.ValidAZ(az) { return cli.NewExitError("Availability Zone ["+az+"] is Invalid!", 1) } terminal.Information("Found Availability Zone [" + az + "]!") region := azs.GetRegion(az) // Verify the vpc input targetVpc, err := GetVpcByTag(region, "Class", vpc) if err != nil { return err } terminal.Information("Found [" + targetVpc.Name + "] VPC [" + targetVpc.VpcID + "]!") // Create the Subnet svc := ec2.New(session.New(&aws.Config{Region: aws.String(region)})) params := &ec2.CreateSubnetInput{ CidrBlock: aws.String(ip + cfg.CIDR), VpcId: aws.String(targetVpc.VpcID), DryRun: aws.Bool(dryRun), AvailabilityZone: aws.String(az), } createSubnetResp, err := svc.CreateSubnet(params) if err != nil { return err } terminal.Information("Created Subnet [" + *createSubnetResp.Subnet.SubnetId + "] named [" + name + "] in [" + *createSubnetResp.Subnet.AvailabilityZone + "]!") // Add Tags err = SetEc2NameAndClassTags(createSubnetResp.Subnet.SubnetId, name, class, region) if err != nil { return err } terminal.Information("Done!") return nil }
// LaunchInstance Launches a new EC2 Instance func LaunchInstance(class, sequence, az string, dryRun bool) error { // --dry-run flag if dryRun { terminal.Information("--dry-run flag is set, not making any actual changes!") } // Instance Class Config instanceCfg, err := config.LoadInstanceClass(class) if err != nil { return err } terminal.Information("Found Instance class configuration for [" + class + "]!") // AZ azs, _ := regions.GetAZs() if !azs.ValidAZ(az) { return cli.NewExitError("Availability Zone ["+az+"] is Invalid!", 1) } terminal.Information("Found Availability Zone [" + az + "]!") region := azs.GetRegion(az) // AMI ami, err := GetLatestImageByTag(region, "Class", instanceCfg.AMI) if err != nil { return err } terminal.Information("Found AMI [" + ami.ImageID + "] with class [" + ami.Class + "] created [" + ami.CreatedHuman + "]!") // EBS ebsVolumes := make([]*ec2.BlockDeviceMapping, len(instanceCfg.EBSVolumes)) for i, ebsClass := range instanceCfg.EBSVolumes { volCfg, err := config.LoadVolumeClass(ebsClass) if err != nil { return err } terminal.Information("Found Volume Class Configuration for [" + ebsClass + "]!") latestSnapshot, err := GetLatestSnapshotByTag(region, "Class", volCfg.Snapshot) if err != nil { return err } terminal.Information("Found Snapshot [" + latestSnapshot.SnapshotID + "] with class [" + latestSnapshot.Class + "] created [" + latestSnapshot.CreatedHuman + "]!") ebsVolumes[i] = &ec2.BlockDeviceMapping{ DeviceName: aws.String(volCfg.DeviceName), Ebs: &ec2.EbsBlockDevice{ DeleteOnTermination: aws.Bool(volCfg.DeleteOnTermination), //Encrypted: aws.Bool(volCfg.Encrypted), SnapshotId: aws.String(latestSnapshot.SnapshotID), VolumeSize: aws.Int64(int64(volCfg.VolumeSize)), VolumeType: aws.String(volCfg.VolumeType), }, //NoDevice: aws.String("String"), //VirtualName: aws.String("String"), } if volCfg.VolumeType == "io1" { ebsVolumes[i].Ebs.Iops = aws.Int64(int64(volCfg.Iops)) } } // EBS Optimized if instanceCfg.EbsOptimized { terminal.Information("Launching as EBS Optimized") } // IAM Profile var iam IAMUser if len(instanceCfg.IAMUser) > 0 { iam, err := GetIAMUser(instanceCfg.IAMUser) if err != nil { return err } terminal.Information("Found IAM User [" + iam.UserName + "]!") } // KeyPair keyPair, err := GetKeyPairByName(region, instanceCfg.KeyName) if err != nil { return err } terminal.Information("Found KeyPair [" + keyPair.KeyName + "] in [" + keyPair.Region + "]!") // Network Interfaces // Placement ?? // VPC / Subnet var vpc Vpc var subnet Subnet var subnetID string secGroupIds := make([]*string, len(instanceCfg.SecurityGroups)) if instanceCfg.Vpc != "" && instanceCfg.Subnet != "" { // VPC vpc, err = GetVpcByTag(region, "Class", instanceCfg.Vpc) if err != nil { return err } terminal.Information("Found VPC [" + vpc.VpcID + "] in Region [" + region + "]!") // Subnet subnet, err = vpc.GetVpcSubnetByTag("Class", instanceCfg.Subnet) if err != nil { return err } subnetID = subnet.SubnetID terminal.Information("Found Subnet [" + subnet.SubnetID + "] in VPC [" + subnet.VpcID + "]!") // VPC Security Groups secGroups, err := vpc.GetVpcSecurityGroupByTagMulti("Class", instanceCfg.SecurityGroups) if err != nil { return err } for i, secGroup := range secGroups { terminal.Information("Found VPC Security Group [" + secGroup.GroupID + "] with name [" + secGroup.Name + "]!") secGroupIds[i] = aws.String(secGroup.GroupID) } } else { terminal.Information("No VPC and/or Subnet specified for instance Class [" + class + "]!") // EC2-Classic security groups secGroups, err := GetSecurityGroupByTagMulti(region, "Class", instanceCfg.SecurityGroups) if err != nil { return err } for i, secGroup := range secGroups { terminal.Information("Found Security Group [" + secGroup.GroupID + "] with name [" + secGroup.Name + "]!") secGroupIds[i] = aws.String(secGroup.GroupID) } } // User Data // ================================================================ // ================================================================ // ================================================================ svc := ec2.New(session.New(&aws.Config{Region: aws.String(region)})) params := &ec2.RunInstancesInput{ ImageId: aws.String(ami.ImageID), MaxCount: aws.Int64(1), MinCount: aws.Int64(1), BlockDeviceMappings: ebsVolumes, DryRun: aws.Bool(dryRun), EbsOptimized: aws.Bool(instanceCfg.EbsOptimized), IamInstanceProfile: &ec2.IamInstanceProfileSpecification{ Arn: aws.String(iam.Arn), Name: aws.String(iam.UserName), }, InstanceInitiatedShutdownBehavior: aws.String(instanceCfg.ShutdownBehavior), InstanceType: aws.String(instanceCfg.InstanceType), KeyName: aws.String(keyPair.KeyName), Monitoring: &ec2.RunInstancesMonitoringEnabled{ Enabled: aws.Bool(instanceCfg.Monitoring), }, NetworkInterfaces: []*ec2.InstanceNetworkInterfaceSpecification{ // only needed when we launch with a public ip. TODO { /* AssociatePublicIpAddress: aws.Bool(instanceCfg.PublicIpAddress), DeleteOnTermination: aws.Bool(true), //Description: aws.String("String"), DeviceIndex: aws.Int64(0), Groups: []*string{ aws.String("String"), // Required }, PrivateIpAddress: aws.String("String"), PrivateIpAddresses: []*ec2.PrivateIpAddressSpecification{ { // Required PrivateIpAddress: aws.String("String"), // Required Primary: aws.Bool(true), }, }, SecondaryPrivateIpAddressCount: aws.Int64(1), SubnetId: aws.String("String"), */ }, }, /* Placement: &ec2.Placement{ // havent played around with placements yet, TODO? Affinity: aws.String("String"), AvailabilityZone: aws.String("String"), GroupName: aws.String("String"), HostId: aws.String("String"), Tenancy: aws.String("Tenancy"), }, */ // PrivateIpAddress: aws.String("String"), SecurityGroupIds: secGroupIds, SubnetId: aws.String(subnetID), UserData: aws.String(base64.StdEncoding.EncodeToString([]byte(instanceCfg.UserData))), //KernelId: aws.String("String"), //RamdiskId: aws.String("String"), } launchInstanceResp, err := svc.RunInstances(params) if err != nil { if awsErr, ok := err.(awserr.Error); ok { return errors.New(awsErr.Message()) } return err } // Add Tags instanceTagsParams := &ec2.CreateTagsInput{ Resources: []*string{ launchInstanceResp.Instances[0].InstanceId, }, Tags: []*ec2.Tag{ { Key: aws.String("Name"), Value: aws.String(class + sequence), }, { Key: aws.String("Sequence"), Value: aws.String(sequence), }, { Key: aws.String("Class"), Value: aws.String(class), }, }, DryRun: aws.Bool(dryRun), } _, err = svc.CreateTags(instanceTagsParams) if err != nil { if awsErr, ok := err.(awserr.Error); ok { return errors.New(awsErr.Message()) } return err } terminal.Information("Finished Launching Instance!") inst := make(Instances, 1) inst[1].Marshal(launchInstanceResp.Instances[0], region, &Subnets{subnet}, &Vpcs{vpc}, &Images{ami}) inst.PrintTable() // ================================================================ // ================================================================ // ================================================================ return nil }