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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| /* | ||
| 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/elasticSearchHelper" | ||
| "fmt" | ||
|
|
||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
||
| // elasticsearchCmd represents the elasticsearch command | ||
| var elasticsearchCmd = &cobra.Command{ | ||
| Use: "elasticsearch", | ||
| Short: "A brief description of your command", | ||
| Long: `A longer description that spans multiple lines and likely contains examples | ||
| and usage of using your command. For example: | ||
| Cobra is a CLI library for Go that empowers applications. | ||
| This application is a tool to generate the needed files | ||
| to quickly create a Cobra application.`, | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| fmt.Println("elasticsearch called") | ||
| }, | ||
| } | ||
|
|
||
| var getElasticSearchCmd = &cobra.Command{ | ||
| Use: "get-elasticsearch-tags", | ||
| Short: "Write elasticsearch arn and required tags to csv", | ||
| Long: `Write to csv data with elasticsearch arn and required tags to csv. | ||
| This csv can be used with tag-elasticsearch 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(elasticSearchHelper.ParseElasticSearchTags(tags, *sess), filename) | ||
| }, | ||
| } | ||
|
|
||
| var tagElasticSearchCmd = &cobra.Command{ | ||
| Use: "tag-elasticsearch", | ||
| Short: "Read csv and tag elasticsearch with csv data", | ||
| Long: `Read csv generated with get-elasticsearch-tags command and tag elasticsearch 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) | ||
| elasticSearchHelper.TagElasticSearch(csvData, *sess) | ||
| }, | ||
| } | ||
|
|
||
| func init() { | ||
| rootCmd.AddCommand(elasticsearchCmd) | ||
| elasticsearchCmd.AddCommand(getElasticSearchCmd) | ||
| elasticsearchCmd.AddCommand(tagElasticSearchCmd) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| package elasticSearchHelper | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/aws/aws-sdk-go/aws" | ||
| "github.com/aws/aws-sdk-go/aws/session" | ||
| "github.com/aws/aws-sdk-go/service/elasticsearchservice" | ||
| "github.com/aws/aws-sdk-go/service/sts" | ||
| "log" | ||
| "strings" | ||
| ) | ||
|
|
||
| // getInstances return all elasticsearch from specified region | ||
| func getInstances(session session.Session) *elasticsearchservice.ListDomainNamesOutput { | ||
| client := elasticsearchservice.New(&session) | ||
| input := &elasticsearchservice.ListDomainNamesInput{} | ||
|
|
||
| result, err := client.ListDomainNames(input) | ||
| if err != nil { | ||
| log.Fatal("Not able to get instances", err) | ||
| } | ||
| return result | ||
| } | ||
|
|
||
| // ParseElasticSearchTags parse output from getInstances and return arn and specified tags. | ||
| func ParseElasticSearchTags(tagsToRead string, session session.Session) [][]string { | ||
| instancesOutput := getInstances(session) | ||
| client := elasticsearchservice.New(&session) | ||
| stsClient := sts.New(&session) | ||
| callerIdentity, err := stsClient.GetCallerIdentity(&sts.GetCallerIdentityInput{}) | ||
| if err != nil { | ||
| log.Fatal("Not able to get elasticsearchservice tags", err) | ||
| } | ||
| var rows [][]string | ||
| headers := []string{"Arn"} | ||
| headers = append(headers, strings.Split(tagsToRead, ",")...) | ||
| rows = append(rows, headers) | ||
| for _, elasticCacheInstance := range instancesOutput.DomainNames { | ||
|
|
||
| clusterArn := fmt.Sprintf("arn:aws:es:%s:%s:domain/%s", | ||
| *session.Config.Region, *callerIdentity.Account, *elasticCacheInstance.DomainName) | ||
|
|
||
| input := &elasticsearchservice.ListTagsInput{ | ||
| ARN: aws.String(clusterArn), | ||
| } | ||
| elasticSearchTags, err := client.ListTags(input) | ||
| if err != nil { | ||
| fmt.Println("Not able to get elasticsearch tags", err) | ||
| } | ||
| tags := map[string]string{} | ||
| for _, tag := range elasticSearchTags.TagList { | ||
| tags[*tag.Key] = *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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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| package elasticSearchHelper | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "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/elasticsearchservice" | ||
| ) | ||
|
|
||
| // TagElasticSearch tag instances. Take as input data from csv file. Where first column id | ||
| func TagElasticSearch(csvData [][]string, session session.Session) { | ||
| client := elasticsearchservice.New(&session) | ||
|
|
||
| var tags []*elasticsearchservice.Tag | ||
| for r := 1; r < len(csvData); r++ { | ||
| for c := 1; c < len(csvData[0]); c++ { | ||
| tags = append(tags, &elasticsearchservice.Tag{ | ||
| Key: &csvData[0][c], | ||
| Value: &csvData[r][c], | ||
| }) | ||
| } | ||
|
|
||
| input := &elasticsearchservice.AddTagsInput{ | ||
| ARN: aws.String(csvData[r][0]), | ||
| TagList: tags, | ||
| } | ||
|
|
||
| _, err := client.AddTags(input) | ||
| if err != nil { | ||
| if aerr, ok := err.(awserr.Error); ok { | ||
| switch aerr.Code() { | ||
| default: | ||
| fmt.Println(aerr.Error()) | ||
| } | ||
| } else { | ||
| fmt.Println(err.Error()) | ||
| } | ||
| return | ||
| } | ||
| } | ||
| } |