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api_op_DescribeDomainHealth.go
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api_op_DescribeDomainHealth.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package opensearch
import (
"context"
"errors"
"fmt"
"github.com/aws/aws-sdk-go-v2/aws"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
internalauth "github.com/aws/aws-sdk-go-v2/internal/auth"
"github.com/aws/aws-sdk-go-v2/service/opensearch/types"
smithyendpoints "github.com/aws/smithy-go/endpoints"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Returns information about domain and node health, the standby Availability
// Zone, number of nodes per Availability Zone, and shard count per node.
func (c *Client) DescribeDomainHealth(ctx context.Context, params *DescribeDomainHealthInput, optFns ...func(*Options)) (*DescribeDomainHealthOutput, error) {
if params == nil {
params = &DescribeDomainHealthInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeDomainHealth", params, optFns, c.addOperationDescribeDomainHealthMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeDomainHealthOutput)
out.ResultMetadata = metadata
return out, nil
}
// Container for the parameters to the DescribeDomainHealth operation.
type DescribeDomainHealthInput struct {
// The name of the domain.
//
// This member is required.
DomainName *string
noSmithyDocumentSerde
}
// The result of a DescribeDomainHealth request. Contains health information for
// the requested domain.
type DescribeDomainHealthOutput struct {
// The number of active Availability Zones configured for the domain. If the
// service is unable to fetch this information, it will return NotAvailable .
ActiveAvailabilityZoneCount *string
// The number of Availability Zones configured for the domain. If the service is
// unable to fetch this information, it will return NotAvailable .
AvailabilityZoneCount *string
// The current health status of your cluster.
// - Red - At least one primary shard is not allocated to any node.
// - Yellow - All primary shards are allocated to nodes, but some replicas
// aren’t.
// - Green - All primary shards and their replicas are allocated to nodes.
// - NotAvailable - Unable to retrieve cluster health.
ClusterHealth types.DomainHealth
// The number of data nodes configured for the domain. If the service is unable to
// fetch this information, it will return NotAvailable .
DataNodeCount *string
// A boolean that indicates if dedicated master nodes are activated for the domain.
DedicatedMaster *bool
// The current state of the domain.
// - Processing - The domain has updates in progress.
// - Active - Requested changes have been processed and deployed to the domain.
DomainState types.DomainState
// A list of EnvironmentInfo for the domain.
EnvironmentInformation []types.EnvironmentInfo
// The number of nodes that can be elected as a master node. If dedicated master
// nodes is turned on, this value is the number of dedicated master nodes
// configured for the domain. If the service is unable to fetch this information,
// it will return NotAvailable .
MasterEligibleNodeCount *string
// Indicates whether the domain has an elected master node.
// - Available - The domain has an elected master node.
// - UnAvailable - The master node hasn't yet been elected, and a quorum to
// elect a new master node hasn't been reached.
MasterNode types.MasterNodeStatus
// The number of standby Availability Zones configured for the domain. If the
// service is unable to fetch this information, it will return NotAvailable .
StandByAvailabilityZoneCount *string
// The total number of primary and replica shards for the domain.
TotalShards *string
// The total number of primary and replica shards not allocated to any of the
// nodes for the cluster.
TotalUnAssignedShards *string
// The number of warm nodes configured for the domain.
WarmNodeCount *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeDomainHealthMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsRestjson1_serializeOpDescribeDomainHealth{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsRestjson1_deserializeOpDescribeDomainHealth{}, middleware.After)
if err != nil {
return err
}
if err = addlegacyEndpointContextSetter(stack, options); err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
return err
}
if err = addRetryMiddlewares(stack, options); err != nil {
return err
}
if err = addHTTPSignerV4Middleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
return err
}
if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
return err
}
if err = addClientUserAgent(stack, options); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = addDescribeDomainHealthResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addOpDescribeDomainHealthValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeDomainHealth(options.Region), middleware.Before); err != nil {
return err
}
if err = awsmiddleware.AddRecursionDetection(stack); err != nil {
return err
}
if err = addRequestIDRetrieverMiddleware(stack); err != nil {
return err
}
if err = addResponseErrorMiddleware(stack); err != nil {
return err
}
if err = addRequestResponseLogging(stack, options); err != nil {
return err
}
if err = addendpointDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
return nil
}
func newServiceMetadataMiddleware_opDescribeDomainHealth(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "es",
OperationName: "DescribeDomainHealth",
}
}
type opDescribeDomainHealthResolveEndpointMiddleware struct {
EndpointResolver EndpointResolverV2
BuiltInResolver builtInParameterResolver
}
func (*opDescribeDomainHealthResolveEndpointMiddleware) ID() string {
return "ResolveEndpointV2"
}
func (m *opDescribeDomainHealthResolveEndpointMiddleware) HandleSerialize(ctx context.Context, in middleware.SerializeInput, next middleware.SerializeHandler) (
out middleware.SerializeOutput, metadata middleware.Metadata, err error,
) {
if awsmiddleware.GetRequiresLegacyEndpoints(ctx) {
return next.HandleSerialize(ctx, in)
}
req, ok := in.Request.(*smithyhttp.Request)
if !ok {
return out, metadata, fmt.Errorf("unknown transport type %T", in.Request)
}
if m.EndpointResolver == nil {
return out, metadata, fmt.Errorf("expected endpoint resolver to not be nil")
}
params := EndpointParameters{}
m.BuiltInResolver.ResolveBuiltIns(¶ms)
var resolvedEndpoint smithyendpoints.Endpoint
resolvedEndpoint, err = m.EndpointResolver.ResolveEndpoint(ctx, params)
if err != nil {
return out, metadata, fmt.Errorf("failed to resolve service endpoint, %w", err)
}
req.URL = &resolvedEndpoint.URI
for k := range resolvedEndpoint.Headers {
req.Header.Set(
k,
resolvedEndpoint.Headers.Get(k),
)
}
authSchemes, err := internalauth.GetAuthenticationSchemes(&resolvedEndpoint.Properties)
if err != nil {
var nfe *internalauth.NoAuthenticationSchemesFoundError
if errors.As(err, &nfe) {
// if no auth scheme is found, default to sigv4
signingName := "es"
signingRegion := m.BuiltInResolver.(*builtInResolver).Region
ctx = awsmiddleware.SetSigningName(ctx, signingName)
ctx = awsmiddleware.SetSigningRegion(ctx, signingRegion)
}
var ue *internalauth.UnSupportedAuthenticationSchemeSpecifiedError
if errors.As(err, &ue) {
return out, metadata, fmt.Errorf(
"This operation requests signer version(s) %v but the client only supports %v",
ue.UnsupportedSchemes,
internalauth.SupportedSchemes,
)
}
}
for _, authScheme := range authSchemes {
switch authScheme.(type) {
case *internalauth.AuthenticationSchemeV4:
v4Scheme, _ := authScheme.(*internalauth.AuthenticationSchemeV4)
var signingName, signingRegion string
if v4Scheme.SigningName == nil {
signingName = "es"
} else {
signingName = *v4Scheme.SigningName
}
if v4Scheme.SigningRegion == nil {
signingRegion = m.BuiltInResolver.(*builtInResolver).Region
} else {
signingRegion = *v4Scheme.SigningRegion
}
if v4Scheme.DisableDoubleEncoding != nil {
// The signer sets an equivalent value at client initialization time.
// Setting this context value will cause the signer to extract it
// and override the value set at client initialization time.
ctx = internalauth.SetDisableDoubleEncoding(ctx, *v4Scheme.DisableDoubleEncoding)
}
ctx = awsmiddleware.SetSigningName(ctx, signingName)
ctx = awsmiddleware.SetSigningRegion(ctx, signingRegion)
break
case *internalauth.AuthenticationSchemeV4A:
v4aScheme, _ := authScheme.(*internalauth.AuthenticationSchemeV4A)
if v4aScheme.SigningName == nil {
v4aScheme.SigningName = aws.String("es")
}
if v4aScheme.DisableDoubleEncoding != nil {
// The signer sets an equivalent value at client initialization time.
// Setting this context value will cause the signer to extract it
// and override the value set at client initialization time.
ctx = internalauth.SetDisableDoubleEncoding(ctx, *v4aScheme.DisableDoubleEncoding)
}
ctx = awsmiddleware.SetSigningName(ctx, *v4aScheme.SigningName)
ctx = awsmiddleware.SetSigningRegion(ctx, v4aScheme.SigningRegionSet[0])
break
case *internalauth.AuthenticationSchemeNone:
break
}
}
return next.HandleSerialize(ctx, in)
}
func addDescribeDomainHealthResolveEndpointMiddleware(stack *middleware.Stack, options Options) error {
return stack.Serialize.Insert(&opDescribeDomainHealthResolveEndpointMiddleware{
EndpointResolver: options.EndpointResolverV2,
BuiltInResolver: &builtInResolver{
Region: options.Region,
UseDualStack: options.EndpointOptions.UseDualStackEndpoint,
UseFIPS: options.EndpointOptions.UseFIPSEndpoint,
Endpoint: options.BaseEndpoint,
},
}, "ResolveEndpoint", middleware.After)
}