feat: exponential retries for axiosWrapper

[dkwon17]

What does this PR do?

Tweaks the axiosWrapper retries functionality to have exponential retries with a base of 2, and an initial delay of 500ms.

As a result, with 3 retries, the first retry has a delay of 500ms, second has a delay of 1000ms and third with 2000ms.

What issues does this PR fix or reference?

eclipse-che/che#22652

Is it tested? How?

To simulate 401 errors and test this PR, checkout the PR branch and apply this patch:

diff --git a/packages/dashboard-backend/src/routes/api/helpers/getToken.ts b/packages/dashboard-backend/src/routes/api/helpers/getToken.ts
index 59e8d76f..cd44ec45 100644
--- a/packages/dashboard-backend/src/routes/api/helpers/getToken.ts
+++ b/packages/dashboard-backend/src/routes/api/helpers/getToken.ts
@@ -18,6 +18,9 @@ const authorizationBearerPrefix = /^Bearer /;
 
 export function getToken(request: FastifyRequest): string {
   const authorization = request.headers?.authorization;
+  if (Math.random() <= 0.9) {
+    throw createFastifyError('FST_UNAUTHORIZED', 'Bearer Token Authorization is required', 401);
+  }
   if (!authorization || !authorizationBearerPrefix.test(authorization)) {
     throw createFastifyError('FST_UNAUTHORIZED', 'Bearer Token Authorization is required', 401);
   }

and build the image.

Next follow these steps:

1. Deploy Che and set the che-dashboard image to the new image.

2. Go to the dashboard and open your web browser web developer tools

3. Refresh the page

4. The console should print statements like the following:
   

5. Confirm that the retries delay is 500ms for the first retry, 1000ms for the second, and 1500ms for the third

Release Notes

Docs PR

[che-bot]

Click here to review and test in web IDE:

[dkwon17]

This is the same as

 this.initialDelay * (this.base ** exp);

but prettier complains about the extra brackets

[codecov]

Codecov Report

Merging #980 (55cfa9d) into main (2476cab) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #980   +/-   ##
=======================================
  Coverage   85.15%   85.15%           
=======================================
  Files         380      380           
  Lines       39186    39189    +3     
  Branches     2522     2522           
=======================================
+ Hits        33370    33373    +3     
  Misses       5789     5789           
  Partials       27       27           

Flag	Coverage Δ
unittests	85.15% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
...rontend/src/services/axios-wrapper/axiosWrapper.ts	98.30% <100.00%> (+0.04%)	⬆️

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: dkwon17, ibuziuk, tolusha

The full list of commands accepted by this bot can be found here.

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• OWNERS

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[github-actions]

Docker image build succeeded: quay.io/eclipse/che-dashboard:pr-980

[devstudio-release]

Build 3.11 :: dashboard_3.x/389: Console, Changes, Git Data

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Build 3.11 :: get-sources-rhpkg-container-build_3.x/5086:

dashboard : 3.x :: Build 56832326 : quay.io/devspaces/dashboard-rhel8:3.11-17
SUCCESS; copied to quay; /DS_CI/push-latest-container-to-quay_3.x/3624 triggered

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Build 3.11 :: dashboard_3.x/389:

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dashboard : 3.10 :: Build 56832352 : quay.io/devspaces/dashboard-rhel8:3.10-51
SUCCESS; copied to quay; /DS_CI/push-latest-container-to-quay_3.10/78 triggered

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No new images detected: nothing to do!

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devspaces-operator-bundle : 3.10 :: Build 56833967 : quay.io/devspaces/devspaces-operator-bundle:3.10-196
SUCCESS; copied to quay; /DS_CI/push-latest-container-to-quay_3.10/79 triggered;

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- quay.io/devspaces/idea-rhel8:3.10-6
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- quay.io/devspaces/traefik-rhel8:3.10-11
- quay.io/devspaces/udi-rhel8:3.10-19
= registry.redhat.io/openshift4/ose-kube-rbac-proxy:v4.12.0-202310241244.p0.gb17014f.assembly.stream
= registry.redhat.io/openshift4/ose-oauth-proxy:v4.12.0-202310201022.p0.g03e5b13.assembly.stream
= registry.redhat.io/rhscl/mongodb-36-rhel7:1-50
= registry.redhat.io/ubi8/ubi-minimal:8.8-1072.1697626218

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Build container: devspaces-operator-bundle synced; /DS_CI/get-sources-rhpkg-container-build_3.10/114 triggered; /job/DS_CI/job/dsc_3.10 triggered;

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Build 3.10 :: operator-bundle_3.10/40:

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Build 3.10 :: update-digests_3.10/139:

Detected new images: rebuild operator-bundle
* dashboard; /DS_CI/operator-bundle_3.10/40 triggered

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Build 3.10 :: dsc_3.10/32: Console, Changes, Git Data

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Build 3.10 :: dsc_3.10/32:

3.10.0-CI