78 lines
2.0 KiB
Go
78 lines
2.0 KiB
Go
package mtdaws
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import (
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"fmt"
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"time"
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"github.com/aws/aws-sdk-go-v2/aws"
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"github.com/aws/aws-sdk-go-v2/service/ec2"
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"github.com/thefeli73/polemos/state"
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)
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// AWSMoveInstance moves a specified instance to a new availability region
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func AWSMoveInstance(config state.Config) (state.Config) {
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instance := config.MTD.Services[0] // for testing use first instance
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region, instanceID := DecodeCloudID(instance.CloudID)
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awsConfig := NewConfig(region, config.AWS.CredentialsPath)
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svc := ec2.NewFromConfig(awsConfig)
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realInstance, err := getInstanceDetailsFromString(svc, instanceID)
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if err != nil {
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fmt.Println("Error getting instance details:\t", err)
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return config
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}
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imageName, err := createImage(svc, instanceID)
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if err != nil {
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fmt.Println("Error creating image:\t", err)
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return config
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}
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fmt.Println("Created image:\t", imageName)
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err = waitForImageReady(svc, imageName, 5*time.Minute)
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if err != nil {
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fmt.Println("Error waiting for image to be ready:\t", err)
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return config
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}
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fmt.Println("Image is ready:\t", imageName)
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newInstanceID, err := launchInstance(svc, realInstance, imageName)
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if err != nil {
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fmt.Println("Error launching instance:\t", err)
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return config
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}
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fmt.Println("Launched new instance:\t", newInstanceID)
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err = terminateInstance(svc, instanceID)
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if err != nil {
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fmt.Println("Error terminating instance:\t", err)
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return config
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}
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fmt.Println("Terminated old instance:\t", instanceID)
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image, err := describeImage(svc, imageName)
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if err != nil {
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fmt.Println("Error describing image:\t", err)
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return config
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}
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err = deregisterImage(svc, imageName)
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if err != nil {
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fmt.Println("Error deregistering image:\t", err)
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return config
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}
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fmt.Println("Deregistered image:\t", imageName)
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if len(image.BlockDeviceMappings) > 0 {
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snapshotID := aws.ToString(image.BlockDeviceMappings[0].Ebs.SnapshotId)
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err = deleteSnapshot(svc, snapshotID)
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if err != nil {
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fmt.Println("Error deleting snapshot:\t", err)
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return config
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}
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fmt.Println("Deleted snapshot:\t", snapshotID)
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}
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return config
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}
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