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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| package helpers | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "log" | ||
| "os" | ||
|
|
||
| "github.com/aws/aws-sdk-go/aws" | ||
| "github.com/aws/aws-sdk-go/service/cloudwatchlogs" | ||
| ) | ||
|
|
||
| // GetCloudwatchGroups getting all cloudwatch groups in a region | ||
| func GetCloudwatchGroups(region string) []*cloudwatchlogs.LogGroup { | ||
| log.Printf("Running on region: %v", region) | ||
| awsSession, _ := InitAwsSession(region) | ||
| svc := cloudwatchlogs.New(awsSession) | ||
|
|
||
| // default empty input beofre retriving next tokens | ||
| input := &cloudwatchlogs.DescribeLogGroupsInput{} | ||
| // get all cloudwatch log groups | ||
| result, err := svc.DescribeLogGroups(input) | ||
|
|
||
| if err != nil { | ||
| log.Println(err) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| cloudwatchGroups := result.LogGroups | ||
|
|
||
| for result.NextToken != nil { | ||
| input = &cloudwatchlogs.DescribeLogGroupsInput{ | ||
| NextToken: result.NextToken, | ||
| } | ||
| result, err = svc.DescribeLogGroups(input) | ||
| if err != nil { | ||
| log.Println(err) | ||
| os.Exit(1) | ||
| } | ||
| for _, group := range result.LogGroups { | ||
| cloudwatchGroups = append(cloudwatchGroups, group) | ||
| } | ||
| } | ||
| return cloudwatchGroups | ||
| } | ||
|
|
||
| // SetCloudwatchGroupsExpiry Set expiry on a cloudwatch group | ||
| func SetCloudwatchGroupsExpiry(region string, retention int64, cloudwatchGroups []*cloudwatchlogs.LogGroup, apply bool) { | ||
| awsSession, _ := InitAwsSession(region) | ||
| svc := cloudwatchlogs.New(awsSession) | ||
|
|
||
| var totalLogByteSize int64 | ||
| noRetentionSet := false | ||
| for _, group := range cloudwatchGroups { | ||
| if group.RetentionInDays == nil { | ||
| totalLogByteSize = totalLogByteSize + *group.StoredBytes | ||
| noRetentionSet = true | ||
| if apply == true { | ||
| // set input filter | ||
| input := &cloudwatchlogs.PutRetentionPolicyInput{ | ||
| LogGroupName: aws.String(*group.LogGroupName), | ||
| RetentionInDays: aws.Int64(retention), | ||
| } | ||
| // put retention policy | ||
| _, err := svc.PutRetentionPolicy(input) | ||
| if err != nil { | ||
| log.Println(err) | ||
| return | ||
| } | ||
| log.Printf("Retention policy for %s was set to %v", *group.LogGroupName, retention) | ||
| } else { | ||
| log.Printf("Group %s retention policy would be set to %d (size is %v Bytes), --yes to apply", *group.LogGroupName, retention, *group.StoredBytes) | ||
| } | ||
| } | ||
| } | ||
| if noRetentionSet == true { | ||
| log.Printf("Region %s total log size:", region) | ||
| log.Printf("Total log size in with no retention policy is: %v bytes", totalLogByteSize) | ||
| } | ||
|
|
||
| fmt.Println("=====================================================================================================") | ||
| } |