generated from giantswarm/template-app
/
client_get.go
66 lines (54 loc) · 2.1 KB
/
client_get.go
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package vpc
import (
"context"
"github.com/aws/aws-sdk-go-v2/service/ec2"
"github.com/giantswarm/microerror"
"sigs.k8s.io/controller-runtime/pkg/log"
"github.com/giantswarm/aws-vpc-operator/pkg/errors"
)
type GetVpcInput struct {
RoleARN string
Region string
VpcId string
ClusterName string
}
type GetVpcOutput struct {
VpcId string
CidrBlock string
State VpcState
Tags map[string]string
}
func (c *client) Get(ctx context.Context, input GetVpcInput) (GetVpcOutput, error) {
logger := log.FromContext(ctx)
logger.Info("Started getting VPC")
defer logger.Info("Finished getting VPC")
if input.RoleARN == "" {
return GetVpcOutput{}, microerror.Maskf(errors.InvalidConfigError, "%T.RoleARN must not be empty", input)
}
if input.Region == "" {
return GetVpcOutput{}, microerror.Maskf(errors.InvalidConfigError, "%T.Region must not be empty", input)
}
if input.VpcId == "" {
return GetVpcOutput{}, microerror.Maskf(errors.InvalidConfigError, "%T.VpcId must not be empty", input)
}
ec2Input := ec2.DescribeVpcsInput{
VpcIds: []string{input.VpcId},
}
ec2Output, err := c.ec2Client.DescribeVpcs(ctx, &ec2Input, c.assumeRoleClient.AssumeRoleFunc(input.RoleARN, input.Region))
if err != nil {
return GetVpcOutput{}, microerror.Mask(err)
}
if len(ec2Output.Vpcs) == 0 {
return GetVpcOutput{}, microerror.Maskf(errors.VpcNotFoundError, "could not find vpc %q", input.VpcId)
} else if len(ec2Output.Vpcs) > 1 {
return GetVpcOutput{}, microerror.Maskf(errors.VpcConflictError, "found %v VPCs with matching tags for %v. Only one VPC per cluster name is supported. Ensure duplicate VPCs are deleted for this AWS account and there are no conflicting instances of Cluster API Provider AWS. filtered VPCs: %v", len(ec2Output.Vpcs), input.ClusterName, ec2Output.Vpcs)
}
output := GetVpcOutput{
VpcId: *ec2Output.Vpcs[0].VpcId,
CidrBlock: *ec2Output.Vpcs[0].CidrBlock,
State: VpcState(ec2Output.Vpcs[0].State),
Tags: TagsToMap(ec2Output.Vpcs[0].Tags),
}
logger.Info("Got existing VPC", "vpc-id", output.VpcId, "cidr-block", output.CidrBlock)
return output, nil
}