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Signed-off-by: corvofeng <corvofeng@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| package command | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "github.com/aws/aws-sdk-go/aws" | ||
| "github.com/aws/aws-sdk-go/aws/session" | ||
| "github.com/aws/aws-sdk-go/service/eks" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
||
| func awsCmd(rootCmd *rootCmd) *cobra.Command { | ||
| cmd := &cobra.Command{ | ||
| Use: "aws", | ||
| Short: "Display one or many resources", | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| awsCMDExec() | ||
| return nil | ||
| }, | ||
| } | ||
| return cmd | ||
| } | ||
|
|
||
| func awsCMDExec() { | ||
| sess, err := session.NewSession(&aws.Config{ | ||
| Region: aws.String("eu-north-1"), | ||
| }) | ||
| if err != nil { | ||
| fmt.Println("Error creating session:", err) | ||
| return | ||
| } | ||
|
|
||
| input := &eks.ListClustersInput{} | ||
| svc := eks.New(sess) | ||
| svc.ListClustersPages(input, func(page *eks.ListClustersOutput, lastPage bool) bool { | ||
| for _, cluster := range page.Clusters { | ||
| fmt.Println(*cluster) | ||
| } | ||
| return !lastPage | ||
| }) | ||
|
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| // input = &eks.DescribeClusterInput{} | ||
| // regions, err := svc.DescribeCluster(input) | ||
| // // regions, err := svc.DescribeClusters(&eks.DescribeClustersInput{}) | ||
| // if err != nil { | ||
| // fmt.Println("Error describing EKS clusters:", err) | ||
| // return | ||
| // } | ||
|
|
||
| // fmt.Println(regions) | ||
| // 遍历每个区域 | ||
| // for regions.Next() { | ||
| // // 遍历每个集群 | ||
| // for _, cluster := range regions.ClusterList { | ||
| // fmt.Printf("Cluster: %s\n", *cluster.Name) | ||
| // fmt.Printf("ARN: %s\n", *cluster.Arn) | ||
| // fmt.Printf("Status: %s\n", *cluster.Status) | ||
| // fmt.Println("----") | ||
| // } | ||
| // } | ||
|
|
||
| // if err := regions.Err(); err != nil { | ||
| // fmt.Println("Error paging through EKS clusters:", err) | ||
| // return | ||
| // } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,20 +1,34 @@ | ||
| module kubemux | ||
|
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| go 1.20 | ||
| go 1.22.0 | ||
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| toolchain go1.22.2 | ||
|
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| require ( | ||
| github.com/aws/aws-sdk-go v1.52.5 | ||
| github.com/sirupsen/logrus v1.9.3 | ||
| github.com/spf13/cobra v1.8.0 | ||
| github.com/stretchr/testify v1.8.4 | ||
| github.com/tj/assert v0.0.3 | ||
| gopkg.in/yaml.v2 v2.4.0 | ||
| k8s.io/client-go v0.30.0 | ||
| ) | ||
|
|
||
| require ( | ||
| github.com/davecgh/go-spew v1.1.1 // indirect | ||
| github.com/go-logr/logr v1.4.1 // indirect | ||
| github.com/gogo/protobuf v1.3.2 // indirect | ||
| github.com/inconshreveable/mousetrap v1.1.0 // indirect | ||
| github.com/jmespath/go-jmespath v0.4.0 // indirect | ||
| github.com/json-iterator/go v1.1.12 // indirect | ||
| github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect | ||
| github.com/modern-go/reflect2 v1.0.2 // indirect | ||
| github.com/pmezard/go-difflib v1.0.0 // indirect | ||
| github.com/spf13/pflag v1.0.5 // indirect | ||
| github.com/stretchr/testify v1.7.0 // indirect | ||
| golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect | ||
| golang.org/x/sys v0.18.0 // indirect | ||
| gopkg.in/yaml.v3 v3.0.1 // indirect | ||
| k8s.io/apimachinery v0.30.0 // indirect | ||
| k8s.io/klog/v2 v2.120.1 // indirect | ||
| sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect | ||
| sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| // Package internal provides wrapper for creating aws sessions | ||
| package aws | ||
|
|
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| import ( | ||
| "encoding/base64" | ||
| "errors" | ||
| "fmt" | ||
|
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| cluster "kubemux/lib/kubernetes" | ||
|
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| "github.com/aws/aws-sdk-go/aws" | ||
| "github.com/aws/aws-sdk-go/aws/awserr" | ||
| "github.com/aws/aws-sdk-go/aws/session" | ||
| "github.com/aws/aws-sdk-go/service/eks" | ||
| "github.com/aws/aws-sdk-go/service/eks/eksiface" | ||
|
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| log "github.com/sirupsen/logrus" | ||
| ) | ||
|
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| type EKSClient struct { | ||
| EKS eksiface.EKSAPI | ||
| Region string | ||
| } | ||
|
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| func (c *EKSClient) String() string { | ||
| return fmt.Sprintf("EKS Client for region %v", c.Region) | ||
| } | ||
|
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| // TODO(mmicu): | ||
| // - test GetClusters function | ||
| // - use assert library in others tests also | ||
| func (c *EKSClient) GetClusters(ch chan<- *cluster.Cluster) { | ||
| input := &eks.ListClustersInput{} | ||
|
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| err := c.EKS.ListClustersPages(input, | ||
| func(page *eks.ListClustersOutput, lastPage bool) bool { | ||
| log.WithFields(log.Fields{ | ||
| "svc": c.String(), | ||
| "page": page.GoString(), | ||
| }).Debug("Parse page") | ||
| for _, cluster := range page.Clusters { | ||
| log.WithFields(log.Fields{ | ||
| "svc": c.String(), | ||
| "cluster": *cluster, | ||
| }).Debug("Found cluster") | ||
| if cls, err := c.detailCluster(*cluster); err == nil { | ||
| ch <- cls | ||
| } else { | ||
| log.WithFields(log.Fields{ | ||
| "svc": c.String(), | ||
| "cluster": *cluster, | ||
| "err": err, | ||
| }).Warn("Can't get details on the cluster") | ||
| } | ||
| } | ||
|
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| if lastPage { | ||
| log.WithFields(log.Fields{ | ||
| "svc": c.String(), | ||
| }).Debug("hit last page") | ||
| return false | ||
| } | ||
| return true | ||
| }) | ||
|
|
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| if err != nil { | ||
| log.WithFields(log.Fields{ | ||
| "err": err, | ||
| "svc": c.String(), | ||
| }).Warn("Can't list clusters") | ||
| } | ||
|
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| close(ch) | ||
| } | ||
|
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| func (c *EKSClient) detailCluster(cName string) (*cluster.Cluster, error) { | ||
| input := &eks.DescribeClusterInput{ | ||
| Name: aws.String(cName), | ||
| } | ||
|
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| result, err := c.EKS.(input) | ||
| if err != nil { | ||
| // TODO(mmicu): handle errors better here | ||
| if aerr, ok := err.(awserr.Error); ok { | ||
| log.Warn(aerr.Error()) | ||
| } else { | ||
| log.Warn(err.Error()) | ||
| } | ||
| msg := fmt.Sprintf("Can't fetch more details for the cluster %v", cName) | ||
| log.WithFields(log.Fields{ | ||
| "cluster-name": cName, | ||
| "svc": c.String(), | ||
| }).Warn(msg) | ||
| return nil, errors.New(msg) | ||
| } | ||
|
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| certificatAuthorityData, err := base64.StdEncoding.DecodeString(*result.Cluster.CertificateAuthority.Data) | ||
| if err != nil { | ||
| log.WithFields(log.Fields{ | ||
| "cluster-name": *result.Cluster.Name, | ||
| "arn": *result.Cluster.Arn, | ||
| "certificate-authority-data": *result.Cluster.CertificateAuthority.Data, | ||
| "svc": c.String(), | ||
| }).Error("Can't decode the Certificate Authority Data") | ||
| return nil, err | ||
| } | ||
|
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| cls := cluster.NewCluster() | ||
| cls.Name = *result.Cluster.Name | ||
| cls.ID = *result.Cluster.Arn | ||
| cls.Endpoint = *result.Cluster.Endpoint | ||
| cls.CertificateAuthorityData = string(certificatAuthorityData) | ||
| // cls.Status = *result.Cluster.Status | ||
| cls.Region = c.Region | ||
|
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| return cls, nil | ||
| } | ||
|
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| func NewEKS(region string) (*EKSClient, error) { | ||
| sess, err := session.NewSession(&aws.Config{ | ||
| Region: aws.String(region), | ||
| }) | ||
| if err != nil { | ||
| log.WithFields(log.Fields{ | ||
| "region": region, | ||
| "error": err.Error(), | ||
| }).Error("Failed to create AWS SDK session") | ||
| return nil, err | ||
| } | ||
| return &EKSClient{ | ||
| EKS: eks.New(sess), | ||
| Region: region, | ||
| }, nil | ||
| } |
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