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examples/opentelemetry-web/examples/fetch-proto/index.html
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| @@ -0,0 +1,20 @@ | ||
| <!DOCTYPE html> | ||
| <html lang="en"> | ||
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| <head> | ||
| <meta charset="utf-8"> | ||
| <title>Fetch Plugin Example</title> | ||
| <base href="/"> | ||
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| <meta name="viewport" content="width=device-width, initial-scale=1"> | ||
| </head> | ||
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| <body> | ||
| Example of using Web Tracer with Fetch plugin with console exporter and proto exporter | ||
| <script type="text/javascript" src="fetch-proto.js"></script> | ||
| <br/> | ||
| <button id="button1">Test</button> | ||
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| </body> | ||
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| </html> |
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| Original file line number | Diff line number | Diff line change |
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| const { context, trace } = require("@opentelemetry/api"); | ||
| const { ConsoleSpanExporter, SimpleSpanProcessor} = require("@opentelemetry/sdk-trace-base"); | ||
| const { WebTracerProvider } = require("@opentelemetry/sdk-trace-web"); | ||
| const { FetchInstrumentation } = require("@opentelemetry/instrumentation-fetch"); | ||
| const { ZoneContextManager } = require("@opentelemetry/context-zone"); | ||
| const { B3Propagator } = require("@opentelemetry/propagator-b3"); | ||
| const { registerInstrumentations } = require("@opentelemetry/instrumentation"); | ||
| const { OTLPTraceExporter: OTLPTraceExporterProto } = require("@opentelemetry/exporter-trace-otlp-proto"); | ||
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| const provider = new WebTracerProvider(); | ||
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| // Note: For production consider using the "BatchSpanProcessor" to reduce the number of requests | ||
| // to your exporter. Using the SimpleSpanProcessor here as it sends the spans immediately to the | ||
| // exporter without delay | ||
| provider.addSpanProcessor(new SimpleSpanProcessor(new ConsoleSpanExporter())); | ||
| provider.addSpanProcessor( | ||
| new SimpleSpanProcessor(new OTLPTraceExporterProto()) | ||
| ); | ||
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| provider.register({ | ||
| contextManager: new ZoneContextManager(), | ||
| propagator: new B3Propagator(), | ||
| }); | ||
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| registerInstrumentations({ | ||
| instrumentations: [ | ||
| new FetchInstrumentation({ | ||
| ignoreUrls: [/localhost:8090\/sockjs-node/], | ||
| propagateTraceHeaderCorsUrls: [ | ||
| "https://cors-test.appspot.com/test", | ||
| "https://httpbin.org/get", | ||
| ], | ||
| clearTimingResources: true, | ||
| }), | ||
| ], | ||
| }); | ||
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| const webTracerWithZone = provider.getTracer("example-tracer-web"); | ||
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| const getData = (url) => | ||
| fetch(url, { | ||
| method: "GET", | ||
| headers: { | ||
| Accept: "application/json", | ||
| "Content-Type": "application/json", | ||
| }, | ||
| }); | ||
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| // example of keeping track of context between async operations | ||
| const prepareClickEvent = () => { | ||
| const url = "https://httpbin.org/get"; | ||
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| const element = document.getElementById("button1"); | ||
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| const onClick = () => { | ||
| const singleSpan = webTracerWithZone.startSpan("files-series-info"); | ||
| context.with(trace.setSpan(context.active(), singleSpan), () => { | ||
| getData(url).then((_data) => { | ||
| trace | ||
| .getSpan(context.active()) | ||
| .addEvent("fetching-single-span-completed"); | ||
| singleSpan.end(); | ||
| }); | ||
| }); | ||
| for (let i = 0, j = 5; i < j; i += 1) { | ||
| const span = webTracerWithZone.startSpan(`files-series-info-${i}`); | ||
| context.with(trace.setSpan(context.active(), span), () => { | ||
| getData(url).then((_data) => { | ||
| trace | ||
| .getSpan(context.active()) | ||
| .addEvent(`fetching-span-${i}-completed`); | ||
| span.end(); | ||
| }); | ||
| }); | ||
| } | ||
| }; | ||
| element.addEventListener("click", onClick); | ||
| }; | ||
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| window.addEventListener("load", prepareClickEvent); |
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