aws-sdk-go-v2 - Advanced waiter configuration overrides

CL answered on March 1, 2023 Popularity 1/10 Helpfulness 1/10

answer aws-sdk-go-v2 - Advanced waiter configuration overrides

related aws-sdk-go-v2 - Overriding waiter configuration

aws-sdk-go-v2 - Advanced waiter configuration overrides

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import "context"
import "fmt"
import "log"
import "time"
import "github.com/aws/aws-sdk-go-v2/aws"
import "github.com/aws/aws-sdk-go-v2/config"
import "github.com/aws/aws-sdk-go-v2/service/dynamodb"
import "github.com/aws/aws-sdk-go-v2/service/dynamodb/types"
// ...

cfg, err := config.LoadDefaultConfig(context.TODO())
if err != nil {
    log.Printf("error: %v", err)
    return
}

client := dynamodb.NewFromConfig(cfg)

// custom retryable defines if a waiter state is retryable or a terminal state.
// For example purposes, we will configure the waiter to not wait 
// if table status is returned as `UPDATING`
customRetryable := func(ctx context.Context, params *dynamodb.DescribeTableInput, 
	output *dynamodb.DescribeTableOutput, err error) (bool, error) {
	if output.Table != nil {
		if output.Table.TableStatus == types.TableStatusUpdating {
			// if table status is `UPDATING`, no need to wait
		    return false, nil	
        }
    }
}

// we create a waiter instance by directly passing in a client
// that satisfies the waiters client Interface. 
waiter :=  dynamodb.NewTableExistsWaiter(client, func (o *dynamodb.TableExistsWaiterOptions) {
	
	// override the service defined waiter-behavior
	o.Retryable = customRetryable
})

Popularity 1/10 Helpfulness 1/10 Language go

Source: aws.github.io

Tags: aws-sdk-go-v2 configuration go

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Contributed on Mar 01 2023

0 Answers Avg Quality 2/10

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aws-sdk-go-v2 - Overriding waiter configuration

Comment

import "context"
import "fmt"
import "log"
import "time"
import "github.com/aws/aws-sdk-go-v2/aws"
import "github.com/aws/aws-sdk-go-v2/config"
import "github.com/aws/aws-sdk-go-v2/service/dynamodb"

// ...

cfg, err := config.LoadDefaultConfig(context.TODO())
if err != nil {
    log.Printf("error: %v", err)
    return
}

client := dynamodb.NewFromConfig(cfg)

// we create a waiter instance by directly passing in a client
// that satisfies the waiters client Interface. 
waiter :=  dynamodb.NewTableExistsWaiter(client, func (o *dynamodb.TableExistsWaiterOptions) {
	
	// override minimum delay to 10 seconds
	o.MinDelay = 10 * time.Second
	
	// override maximum default delay to 300 seconds
	o.MaxDelay = 300 * time.Second
})

Popularity 1/10 Helpfulness 1/10 Language go

Source: aws.github.io

Tags: go overriding aws-sdk-go-v2 configuration

Link to this answer
Share Copy Link

Contributed on Mar 01 2023

0 Answers Avg Quality 2/10

aws-sdk-go-v2 - Advanced waiter configuration overrides

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