[taler-wallet-core] branch master updated: harness: tooling to wait for service

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dold pushed a commit to branch master
in repository wallet-core.

The following commit(s) were added to refs/heads/master by this push:
     new 2ecdd6816 harness: tooling to wait for service
2ecdd6816 is described below

commit 2ecdd6816d6398f246ed58954893ba71927f2db6
Author: Florian Dold <florian@dold.me>
AuthorDate: Mon Oct 9 21:39:01 2023 +0200

    harness: tooling to wait for service
---
 packages/taler-harness/src/index.ts | 109 ++++++++++++++++++++++++++++++++++--
 1 file changed, 103 insertions(+), 6 deletions(-)

diff --git a/packages/taler-harness/src/index.ts 
b/packages/taler-harness/src/index.ts
index 82d8e4326..8ed67b162 100644
--- a/packages/taler-harness/src/index.ts
+++ b/packages/taler-harness/src/index.ts
@@ -30,7 +30,10 @@ import {
   setGlobalLogLevelFromString,
 } from "@gnu-taler/taler-util";
 import { clk } from "@gnu-taler/taler-util/clk";
-import { createPlatformHttpLib } from "@gnu-taler/taler-util/http";
+import {
+  HttpResponse,
+  createPlatformHttpLib,
+} from "@gnu-taler/taler-util/http";
 import {
   CryptoDispatcher,
   downloadExchangeInfo,
@@ -46,7 +49,11 @@ import { runBench2 } from "./bench2.js";
 import { runBench3 } from "./bench3.js";
 import { runEnvFull } from "./env-full.js";
 import { runEnv1 } from "./env1.js";
-import { GlobalTestState, runTestWithState } from "./harness/harness.js";
+import {
+  GlobalTestState,
+  delayMs,
+  runTestWithState,
+} from "./harness/harness.js";
 import { getTestInfo, runTests } from "./integrationtests/testrunner.js";
 import { lintExchangeDeployment } from "./lint.js";
 
@@ -312,8 +319,7 @@ deploymentCli
     const exchangeInfo = await downloadExchangeInfo(exchangeBaseUrl, http);
     await topupReserveWithDemobank({
       amount: "KUDOS:10",
-      corebankApiBaseUrl:
-        "https://bank.demo.taler.net/";,
+      corebankApiBaseUrl: "https://bank.demo.taler.net/";,
       exchangeInfo,
       http,
       reservePub: reserveKeyPair.pub,
@@ -341,8 +347,7 @@ deploymentCli
     const exchangeInfo = await downloadExchangeInfo(exchangeBaseUrl, http);
     await topupReserveWithDemobank({
       amount: "TESTKUDOS:10",
-      corebankApiBaseUrl:
-        "https://bank.test.taler.net/";,
+      corebankApiBaseUrl: "https://bank.test.taler.net/";,
       exchangeInfo,
       http,
       reservePub: reserveKeyPair.pub,
@@ -422,6 +427,98 @@ deploymentCli
     );
   });
 
+deploymentCli
+  .subcommand("waitService", "wait-taler-service", {
+    help: "Wait for the config endpoint of a Taler-style service to be 
available",
+  })
+  .requiredArgument("serviceName", clk.STRING)
+  .requiredArgument("serviceConfigUrl", clk.STRING)
+  .action(async (args) => {
+    const serviceName = args.waitService.serviceName;
+    const serviceUrl = args.waitService.serviceConfigUrl;
+    console.log(
+      `Waiting for service ${serviceName} to be ready at ${serviceUrl}`,
+    );
+    const httpLib = createPlatformHttpLib();
+    while (1) {
+      console.log(`Fetching ${serviceUrl}`);
+      let resp: HttpResponse;
+      try {
+        resp = await httpLib.fetch(serviceUrl);
+      } catch (e) {
+        console.log(
+          `Got network error for service ${serviceName} at ${serviceUrl}`,
+        );
+        await delayMs(1000);
+        continue;
+      }
+      if (resp.status != 200) {
+        console.log(
+          `Got unexpected status ${resp.status} for service at ${serviceUrl}`,
+        );
+        await delayMs(1000);
+        continue;
+      }
+      let respJson: any;
+      try {
+        respJson = await resp.json();
+      } catch (e) {
+        console.log(
+          `Got json error for service ${serviceName} at ${serviceUrl}`,
+        );
+        await delayMs(1000);
+        continue;
+      }
+      const recServiceName = respJson.name;
+      console.log(`Got name ${recServiceName}`);
+      if (recServiceName != serviceName) {
+        console.log(`A different service is still running at ${serviceUrl}`);
+        await delayMs(1000);
+        continue;
+      }
+      console.log(`service ${serviceName} at ${serviceUrl} is now available`);
+      return;
+    }
+  });
+
+deploymentCli
+  .subcommand("waitEndpoint", "wait-service", {
+    help: "Wait for an endpoint to return an HTTP 200 Ok status with JSON 
body",
+  })
+  .requiredArgument("serviceEndpoint", clk.STRING)
+  .action(async (args) => {
+    const serviceUrl = args.waitEndpoint.serviceEndpoint;
+    console.log(`Waiting for endpoint ${serviceUrl} to be ready`);
+    const httpLib = createPlatformHttpLib();
+    while (1) {
+      console.log(`Fetching ${serviceUrl}`);
+      let resp: HttpResponse;
+      try {
+        resp = await httpLib.fetch(serviceUrl);
+      } catch (e) {
+        console.log(`Got network error for service at ${serviceUrl}`);
+        await delayMs(1000);
+        continue;
+      }
+      if (resp.status != 200) {
+        console.log(
+          `Got unexpected status ${resp.status} for service at ${serviceUrl}`,
+        );
+        await delayMs(1000);
+        continue;
+      }
+      let respJson: any;
+      try {
+        respJson = await resp.json();
+      } catch (e) {
+        console.log(`Got json error for service at ${serviceUrl}`);
+        await delayMs(1000);
+        continue;
+      }
+      return;
+    }
+  });
+
 deploymentCli
   .subcommand("coincfg", "gen-coin-config", {
     help: "Generate a coin/denomination configuration for the exchange.",

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