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Merge pull request #873 from frodopwns/async-sql-errs2
Option 2 for catching async errors in sql server creation
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| // Copyright (c) Microsoft Corporation. | ||
| // Licensed under the MIT License. | ||
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| package pollclient | ||
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|
||
| import ( | ||
| "context" | ||
| "net/http" | ||
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| "github.com/Azure/azure-service-operator/pkg/resourcemanager/config" | ||
| "github.com/Azure/azure-service-operator/pkg/resourcemanager/iam" | ||
| "github.com/Azure/go-autorest/autorest" | ||
| "github.com/Azure/go-autorest/autorest/azure" | ||
| "github.com/Azure/go-autorest/tracing" | ||
| ) | ||
|
|
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| const fqdn = "github.com/Azure/azure-service-operator/pollingclient" | ||
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| // BaseClient was modeled off some of the other Baseclients in the go sdk and contains an autorest client | ||
| type BaseClient struct { | ||
| autorest.Client | ||
| BaseURI string | ||
| SubscriptionID string | ||
| } | ||
|
|
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| // PollClient inherits from the autorest client and has the methods needed to handle GETs to the polling url | ||
| type PollClient struct { | ||
| BaseClient | ||
| } | ||
|
|
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| // NewPollClient returns a client using hte env values from config | ||
| func NewPollClient() PollClient { | ||
| return NewPollClientWithBaseURI(config.BaseURI(), config.SubscriptionID()) | ||
| } | ||
|
|
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| // NewPollClientWithBaseURI returns a paramterized client | ||
| func NewPollClientWithBaseURI(baseURI string, subscriptionID string) PollClient { | ||
| c := PollClient{NewWithBaseURI(baseURI, subscriptionID)} | ||
| a, _ := iam.GetResourceManagementAuthorizer() | ||
| c.Authorizer = a | ||
| c.AddToUserAgent(config.UserAgent()) | ||
| return c | ||
| } | ||
|
|
||
| // NewWithBaseURI creates an instance of the BaseClient client. | ||
| func NewWithBaseURI(baseURI string, subscriptionID string) BaseClient { | ||
| return BaseClient{ | ||
| Client: autorest.NewClientWithUserAgent(config.UserAgent()), | ||
| BaseURI: baseURI, | ||
| SubscriptionID: subscriptionID, | ||
| } | ||
| } | ||
|
|
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| // PollRespons models the expected response from the poll url | ||
| type PollRespons struct { | ||
| autorest.Response `json:"-"` | ||
| Name string `json:"name,omitempty"` | ||
| Status string `json:"status,omitempty"` | ||
| Error azure.ServiceError `json:"error,omitempty"` | ||
| } | ||
|
|
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| // Get takes a context and a polling url and performs a Get request on the url | ||
| func (client PollClient) Get(ctx context.Context, pollURL string) (result PollRespons, err error) { | ||
| if tracing.IsEnabled() { | ||
| ctx = tracing.StartSpan(ctx, fqdn+"/PollClient.Get") | ||
| defer func() { | ||
| sc := -1 | ||
| if result.Response.Response != nil { | ||
| sc = result.Response.Response.StatusCode | ||
| } | ||
| tracing.EndSpan(ctx, sc, err) | ||
| }() | ||
| } | ||
| req, err := client.GetPreparer(ctx, pollURL) | ||
| if err != nil { | ||
| err = autorest.NewErrorWithError(err, "sql.PollClient", "Get", nil, "Failure preparing request") | ||
| return | ||
| } | ||
|
|
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| resp, err := client.GetSender(req) | ||
| if err != nil { | ||
| result.Response = autorest.Response{Response: resp} | ||
| err = autorest.NewErrorWithError(err, "sql.PollClient", "Get", resp, "Failure sending request") | ||
| return | ||
| } | ||
|
|
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| result, err = client.GetResponder(resp) | ||
| if err != nil { | ||
| err = autorest.NewErrorWithError(err, "sql.PollClient", "Get", resp, "Failure responding to request") | ||
| } | ||
|
|
||
| return | ||
| } | ||
|
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| // GetPreparer prepares the Get request. | ||
| func (client PollClient) GetPreparer(ctx context.Context, pollURL string) (*http.Request, error) { | ||
| preparer := autorest.CreatePreparer( | ||
| autorest.AsGet(), | ||
| autorest.WithBaseURL(pollURL)) | ||
| return preparer.Prepare((&http.Request{}).WithContext(ctx)) | ||
| } | ||
|
|
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| // GetSender sends the Get request. The method will close the | ||
| // http.Response Body if it receives an error. | ||
| func (client PollClient) GetSender(req *http.Request) (*http.Response, error) { | ||
| sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client)) | ||
| return autorest.SendWithSender(client, req, sd...) | ||
| } | ||
|
|
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| // GetResponder handles the response to the Get request. The method always | ||
| // closes the http.Response Body. | ||
| func (client PollClient) GetResponder(resp *http.Response) (result PollRespons, err error) { | ||
| err = autorest.Respond( | ||
| resp, | ||
| client.ByInspecting(), | ||
| azure.WithErrorUnlessStatusCode(http.StatusOK), | ||
| autorest.ByUnmarshallingJSON(&result), | ||
| autorest.ByClosing()) | ||
| result.Response = autorest.Response{Response: resp} | ||
| return | ||
| } |