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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| /* | ||
| Copyright © 2020 Maksym Postument [email protected] | ||
| 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 cmd | ||
|
|
||
| import ( | ||
| "awstaghelper/modules/common" | ||
| "awstaghelper/modules/redshiftHelper" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
||
| // redshiftCmd represents the redshift command | ||
| var redshiftCmd = &cobra.Command{ | ||
| Use: "redshift", | ||
| Short: "Root command for interaction with AWS redshfit services", | ||
| Long: `Root command for interaction with AWS redshfit services.`, | ||
| //Run: func(cmd *cobra.Command, args []string) { | ||
| // fmt.Println("redshift called") | ||
| //}, | ||
| } | ||
|
|
||
| var getRedshiftCmd = &cobra.Command{ | ||
| Use: "get-redshift-tags", | ||
| Short: "Write redshift id and required tags to csv", | ||
| Long: `Write to csv data with redshift id and required tags to csv. | ||
| This csv can be used with tag-redshift command to tag aws environment. | ||
| Specify list of tags which should be read using tags flag: --tags Name,Env,Project. | ||
| Csv filename can be specified with flag filename.`, | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| tags, _ := cmd.Flags().GetString("tags") | ||
| filename, _ := cmd.Flags().GetString("filename") | ||
| profile, _ := cmd.Flags().GetString("profile") | ||
| region, _ := cmd.Flags().GetString("region") | ||
| sess := common.GetSession(region, profile) | ||
| common.WriteCsv(redshiftHelper.ParseRedshiftTags(tags, *sess), filename) | ||
| }, | ||
| } | ||
|
|
||
| var tagRedshifCmd = &cobra.Command{ | ||
| Use: "tag-redshift", | ||
| Short: "Read csv and tag redshift with csv data", | ||
| Long: `Read csv generated with get-redshift-tags command and tag redshift instances with tags from csv.`, | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| filename, _ := cmd.Flags().GetString("filename") | ||
| profile, _ := cmd.Flags().GetString("profile") | ||
| region, _ := cmd.Flags().GetString("region") | ||
| sess := common.GetSession(region, profile) | ||
| csvData := common.ReadCsv(filename) | ||
| redshiftHelper.TagRedsfhit(csvData, *sess) | ||
| }, | ||
| } | ||
|
|
||
| func init() { | ||
| rootCmd.AddCommand(redshiftCmd) | ||
| redshiftCmd.AddCommand(getRedshiftCmd) | ||
| redshiftCmd.AddCommand(tagRedshifCmd) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| package redshiftHelper | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/aws/aws-sdk-go/aws/session" | ||
| "github.com/aws/aws-sdk-go/service/redshift" | ||
| "github.com/aws/aws-sdk-go/service/sts" | ||
| "log" | ||
| "strings" | ||
| ) | ||
|
|
||
| // getInstances return all redshift instances from specified region | ||
| func getInstances(session session.Session) []*redshift.Cluster { | ||
| client := redshift.New(&session) | ||
| input := &redshift.DescribeClustersInput{} | ||
|
|
||
| var result []*redshift.Cluster | ||
|
|
||
| err := client.DescribeClustersPages(input, | ||
| func(page *redshift.DescribeClustersOutput, lastPage bool) bool { | ||
| result = append(result, page.Clusters...) | ||
| return !lastPage | ||
| }) | ||
| if err != nil { | ||
| log.Fatal("Not able to get instances", err) | ||
| return nil | ||
| } | ||
| return result | ||
| } | ||
|
|
||
| // ParseRedshiftTags parse output from getInstances and return arn and specified tags. | ||
| func ParseRedshiftTags(tagsToRead string, session session.Session) [][]string { | ||
| instancesOutput := getInstances(session) | ||
| client := redshift.New(&session) | ||
| stsClient := sts.New(&session) | ||
|
|
||
| callerIdentity, err := stsClient.GetCallerIdentity(&sts.GetCallerIdentityInput{}) | ||
| if err != nil { | ||
| log.Fatal("Not able to get elasticache tags", err) | ||
| } | ||
|
|
||
| var rows [][]string | ||
| headers := []string{"Arn"} | ||
| headers = append(headers, strings.Split(tagsToRead, ",")...) | ||
| rows = append(rows, headers) | ||
| for _, redshiftInstances := range instancesOutput { | ||
| clusterArn := fmt.Sprintf("arn:aws:redshift:%s:%s:cluster:%s", | ||
| *session.Config.Region, *callerIdentity.Account, *redshiftInstances.ClusterIdentifier) | ||
| redshiftTags, err := client.DescribeTags(&redshift.DescribeTagsInput{ResourceName: &clusterArn}) | ||
| if err != nil { | ||
| fmt.Println("Not able to get redshift tags", err) | ||
| } | ||
| tags := map[string]string{} | ||
| for _, tag := range redshiftTags.TaggedResources { | ||
| tags[*tag.Tag.Key] = *tag.Tag.Value | ||
| } | ||
| var resultTags []string | ||
| for _, key := range strings.Split(tagsToRead, ",") { | ||
| resultTags = append(resultTags, tags[key]) | ||
| } | ||
| rows = append(rows, append([]string{clusterArn}, resultTags...)) | ||
| } | ||
| return rows | ||
| } |
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