/
elbv2.go
101 lines (88 loc) · 3.34 KB
/
elbv2.go
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package cloud
import (
"context"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/elbv2"
"github.com/aws/aws-sdk-go/service/elbv2/elbv2iface"
)
// ELBV2 is an wrapper around original ELBV2API with additional convenient APIs.
type ELBV2 interface {
elbv2iface.ELBV2API
DescribeLoadBalancersAsList(ctx context.Context, input *elbv2.DescribeLoadBalancersInput) ([]*elbv2.LoadBalancer, error)
DescribeListenersAsList(ctx context.Context, input *elbv2.DescribeListenersInput) ([]*elbv2.Listener, error)
DescribeListenerCertificatesAsList(ctx context.Context, input *elbv2.DescribeListenerCertificatesInput) ([]*elbv2.Certificate, error)
DescribeRulesAsList(ctx context.Context, input *elbv2.DescribeRulesInput) ([]*elbv2.Rule, error)
DescribeTargetGroupsAsList(ctx context.Context, input *elbv2.DescribeTargetGroupsInput) ([]*elbv2.TargetGroup, error)
}
func NewELBV2(session *session.Session) ELBV2 {
return &defaultELBV2{
elbv2.New(session),
}
}
var _ ELBV2 = (*defaultELBV2)(nil)
type defaultELBV2 struct {
elbv2iface.ELBV2API
}
func (c *defaultELBV2) DescribeLoadBalancersAsList(ctx context.Context, input *elbv2.DescribeLoadBalancersInput) ([]*elbv2.LoadBalancer, error) {
var result []*elbv2.LoadBalancer
if err := c.DescribeLoadBalancersPagesWithContext(ctx, input, func(output *elbv2.DescribeLoadBalancersOutput, _ bool) bool {
result = append(result, output.LoadBalancers...)
return true
}); err != nil {
return nil, err
}
return result, nil
}
func (c *defaultELBV2) DescribeListenersAsList(ctx context.Context, input *elbv2.DescribeListenersInput) ([]*elbv2.Listener, error) {
var result []*elbv2.Listener
if err := c.DescribeListenersPagesWithContext(ctx, input, func(output *elbv2.DescribeListenersOutput, _ bool) bool {
result = append(result, output.Listeners...)
return true
}); err != nil {
return nil, err
}
return result, nil
}
func (c *defaultELBV2) DescribeListenerCertificatesAsList(ctx context.Context, input *elbv2.DescribeListenerCertificatesInput) ([]*elbv2.Certificate, error) {
var result []*elbv2.Certificate
p := request.Pagination{
EndPageOnSameToken: true,
NewRequest: func() (*request.Request, error) {
req, _ := c.DescribeListenerCertificatesRequest(input)
req.SetContext(ctx)
return req, nil
},
}
for p.Next() {
page := p.Page().(*elbv2.DescribeListenerCertificatesOutput)
result = append(result, page.Certificates...)
}
return result, p.Err()
}
func (c *defaultELBV2) DescribeRulesAsList(ctx context.Context, input *elbv2.DescribeRulesInput) ([]*elbv2.Rule, error) {
var rules []*elbv2.Rule
p := request.Pagination{
EndPageOnSameToken: true,
NewRequest: func() (*request.Request, error) {
req, _ := c.DescribeRulesRequest(input)
req.SetContext(ctx)
return req, nil
},
}
for p.Next() {
page := p.Page().(*elbv2.DescribeRulesOutput)
rules = append(rules, page.Rules...)
}
return rules, p.Err()
}
func (c *defaultELBV2) DescribeTargetGroupsAsList(ctx context.Context, input *elbv2.DescribeTargetGroupsInput) ([]*elbv2.TargetGroup, error) {
var result []*elbv2.TargetGroup
if err := c.DescribeTargetGroupsPagesWithContext(ctx, input, func(output *elbv2.DescribeTargetGroupsOutput, _ bool) bool {
result = append(result, output.TargetGroups...)
return true
}); err != nil {
return nil, err
}
return result, nil
}