Added Datadog Logging

[ianmagenta]

Summary

Added Datadog logging package and included logging calls alongside Google Analytics calls for each Identity component.

Related issue(s)

https://github.com/department-of-veterans-affairs/va.gov-team/issues/75258

What areas of the site does it impact?

This impacts various Identity components throughout the site including RenderErrorContainer, AuthApp, AuthMetrics, VerifyApp, CreateAccountLink, LoginButton, SessionTimeoutModal, SignInModal, and VerifyAccountLink,

Acceptance criteria

• [x] Add Datadog Logging package and add logs alongside Google Analytics calls in all relevant Identity components.

[ianmagenta]

Turns out that the Datadog logging package was merged into main while this PR was up: https://github.com/department-of-veterans-affairs/vets-website/pull/27567. I've gone ahead and removed that addition from this PR.

[asg5704]

@ianmagenta Also I noticed when running the unit tests there are some failures

yarn test:unit --app-folder=auth => AuthApp & AuthMetrics, most likely you'll need to add information to the session storage. YOu might want to also double-check the authentication/utilities unit test too.

[ianmagenta]

@asg5704 - I can refactor the switch statement to avoid disabling eslint, but the tests currently expect it to use fallthrough behavior. Feel free to let me know what you think!

[asg5704]

@asg5704 - I can refactor the switch statement to avoid disabling eslint, but the tests currently expect it to use fallthrough behavior. Feel free to let me know what you think!

Yeah let's not disable ESLint, we can consolidate this to

switch(this.type) {
// .. rest above
case POLICY_TYPES.CUSTOM /* type=custom is used for SSOe auto login */:
case POLICY_TYPES.MHV_VERIFIED: /* type=mhv_verified */
case CSP_IDS.MHV:
case CSP_IDS.DS_LOGON:
case CSP_IDS.ID_ME:
case CSP_IDS.LOGIN_GOV:
case CSP_IDS.VAMOCK:
  dataDogLog({
    name: LOG_NAME.LOGIN_SUCCESS,
    payload: {
      ...ddPayload,
      ...(this.type === POLICY_TYPES.CUSTOM && { autoSSO: true }),
    },
    status: STATUS_TYPE.INFO,
  });
  recordEvent({ event: `login-success-${this.serviceName}` });
  this.compareLoginPolicy();
  break;
// .. rest below
}

[ianmagenta]

@asg5704 - Sorry, it looks like it auto-dismissed your review when I pushed up the changes.

[Andrew565]

PR has failing required tests, opting not to review at this time. - Tier 2/FE COP

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