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Create filesystem before the tests
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Cheng Pan
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Oct 20, 2019
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,221 @@ | ||
| /* | ||
| Copyright 2019 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package e2e | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "time" | ||
|
|
||
| "github.com/aws/aws-sdk-go/aws" | ||
| "github.com/aws/aws-sdk-go/aws/session" | ||
| "github.com/aws/aws-sdk-go/service/ec2" | ||
| "github.com/aws/aws-sdk-go/service/efs" | ||
| ) | ||
|
|
||
| type cloud struct { | ||
| efsclient *efs.EFS | ||
| ec2client *ec2.EC2 | ||
| } | ||
|
|
||
| func NewCloud(region string) *cloud { | ||
| config := &aws.Config{ | ||
| Region: aws.String(region), | ||
| } | ||
| sess := session.Must(session.NewSession(config)) | ||
|
|
||
| return &cloud{ | ||
| efsclient: efs.New(sess), | ||
| ec2client: ec2.New(sess), | ||
| } | ||
| } | ||
|
|
||
| type FileSystemOptions struct { | ||
| clusterName string | ||
| } | ||
|
|
||
| func (c *cloud) CreateFileSystem(clusterName string) (string, error) { | ||
| tags := []*efs.Tag{ | ||
| { | ||
| Key: aws.String("KubernetesCluster"), | ||
| Value: aws.String(clusterName), | ||
| }, | ||
| } | ||
|
|
||
| // Use cluster name as the token | ||
| request := &efs.CreateFileSystemInput{ | ||
| CreationToken: aws.String(clusterName), | ||
| Tags: tags, | ||
| } | ||
|
|
||
| response, err := c.efsclient.CreateFileSystem(request) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| fileSystemId := response.FileSystemId | ||
| err = c.ensureFileSystemStatus(*fileSystemId, "available") | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| securityGroupId, err := c.getSecurityGroup(clusterName) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| subnetIds, err := c.getSubnetIds(clusterName) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| for _, subnetId := range subnetIds { | ||
| request := &efs.CreateMountTargetInput{ | ||
| FileSystemId: fileSystemId, | ||
| SubnetId: aws.String(subnetId), | ||
| SecurityGroups: []*string{ | ||
| aws.String(securityGroupId), | ||
| }, | ||
| } | ||
|
|
||
| _, err := c.efsclient.CreateMountTarget(request) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| } | ||
|
|
||
| err = c.ensureMountTargetStatus(*fileSystemId, "available") | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| return aws.StringValue(fileSystemId), nil | ||
| } | ||
|
|
||
| func (c *cloud) DeleteFileSystem(fileSystemId string) error { | ||
| request := &efs.DeleteFileSystemInput{ | ||
| FileSystemId: aws.String(fileSystemId), | ||
| } | ||
| _, err := c.efsclient.DeleteFileSystem(request) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // getSecurityGroup returns the node security group ID given cluster name | ||
| // assuming it's kops cluster and find security group using tag | ||
| func (c *cloud) getSecurityGroup(clusterName string) (string, error) { | ||
| request := &ec2.DescribeSecurityGroupsInput{ | ||
| Filters: []*ec2.Filter{ | ||
| { | ||
| Name: aws.String("tag:Name"), | ||
| Values: []*string{ | ||
| aws.String(fmt.Sprintf("nodes.%s", clusterName)), | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| response, err := c.ec2client.DescribeSecurityGroups(request) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| if len(response.SecurityGroups) == 0 { | ||
| return "", fmt.Errorf("No security group found for cluster %s", clusterName) | ||
| } | ||
|
|
||
| return aws.StringValue(response.SecurityGroups[0].GroupId), nil | ||
| } | ||
|
|
||
| func (c *cloud) getSubnetIds(clusterName string) ([]string, error) { | ||
| request := &ec2.DescribeSubnetsInput{ | ||
| Filters: []*ec2.Filter{ | ||
| { | ||
| Name: aws.String("tag:KubernetesCluster"), | ||
| Values: []*string{ | ||
| aws.String(clusterName), | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| subnetIds := []string{} | ||
| response, err := c.ec2client.DescribeSubnets(request) | ||
| if err != nil { | ||
| return subnetIds, err | ||
| } | ||
|
|
||
| for _, subnet := range response.Subnets { | ||
| subnetIds = append(subnetIds, aws.StringValue(subnet.SubnetId)) | ||
| } | ||
|
|
||
| return subnetIds, nil | ||
| } | ||
|
|
||
| func (c *cloud) ensureFileSystemStatus(fileSystemId, status string) error { | ||
| request := &efs.DescribeFileSystemsInput{ | ||
| FileSystemId: aws.String(fileSystemId), | ||
| } | ||
|
|
||
| for { | ||
| response, err := c.efsclient.DescribeFileSystems(request) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if len(response.FileSystems) == 0 { | ||
| return errors.New("no filesystem found") | ||
| } | ||
|
|
||
| if *response.FileSystems[0].LifeCycleState == status { | ||
| return nil | ||
| } | ||
| time.Sleep(time.Second) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (c *cloud) ensureMountTargetStatus(fileSystemId, status string) error { | ||
| request := &efs.DescribeMountTargetsInput{ | ||
| FileSystemId: aws.String(fileSystemId), | ||
| } | ||
|
|
||
| for { | ||
| response, err := c.efsclient.DescribeMountTargets(request) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| done := true | ||
| for _, target := range response.MountTargets { | ||
| if *target.LifeCycleState != status { | ||
| done = false | ||
| break | ||
| } | ||
| } | ||
| if done { | ||
| break | ||
| } | ||
| time.Sleep(time.Second) | ||
| } | ||
|
|
||
| return nil | ||
| } |
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