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Allow only system failures to trigger circuit breaker #667

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merged 4 commits into from Nov 7, 2019
Merged

Allow only system failures to trigger circuit breaker #667

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1b1e8bc
Allow only system failures to trigger circuit breaker
argouber Nov 1, 2019
4932af0
fixed an oops, return value overwriting error
argouber Nov 2, 2019
7883d8e
Code review comments + fix bug
argouber Nov 5, 2019
bd23040
rename plus one bug fix
argouber Nov 6, 2019
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10 changes: 8 additions & 2 deletions codegen/template_bundle/template_files.go
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3 changes: 3 additions & 0 deletions codegen/templates/http_client.tmpl
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Expand Up @@ -240,6 +240,9 @@ func (c *{{$clientName}}) {{$methodName}}(
} else {
err = hystrix.DoC(ctx, "{{$clientID}}", func(ctx context.Context) error {
res, err = req.Do()
if res.StatusCode < 500 {
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return nil
}
return err
}, nil)
}
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3 changes: 3 additions & 0 deletions codegen/templates/tchannel_client.tmpl
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Expand Up @@ -268,6 +268,9 @@ type {{$clientName}} struct {
success, respHeaders, err = c.client.Call(
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ctx, "{{$svc.Name}}", "{{.Name}}", reqHeaders, args, &result,
)
if _, isSysErr := err.(tchannel.SystemError); !isSysErr {
return nil
}
return err
}, nil)
}
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102 changes: 102 additions & 0 deletions examples/example-gateway/build/clients/bar/bar.go
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