changing xDS APIs to take abs::Satus #29439

alyssawilk · 2023-09-05T21:00:47Z

Unlike many of the throw->status PRs I'm doing xDS in two parts - one is a pure API change, and the follow-up(s) will change the throw over to returning non-Ok stauts. This PR is large enough already I didn't want to do them all at once.

Risk Level: low (but will cause downstream churn, sorry)
Testing: updated tests
Docs Changes: n/a
Release Notes: n/a
envoyproxy/envoy-mobile#176

Signed-off-by: Alyssa Wilk <alyssar@chromium.org>

repokitteh-read-only · 2023-09-05T21:00:52Z

As a reminder, PRs marked as draft will not be automatically assigned reviewers,
or be handled by maintainer-oncall triage.

Please mark your PR as ready when you want it to be reviewed!

🐱

Caused by: #29439 was opened by alyssawilk.

see: more, trace.

Signed-off-by: Alyssa Wilk <alyssar@chromium.org>

adisuissa

Thanks for cleaning up the exceptions usage!
Overall LGTM, left a few small nits.

adisuissa · 2023-09-06T17:49:01Z

envoy/rds/route_config_provider.h

@@ -51,7 +51,7 @@ class RouteConfigProvider {
  /**
   * Callback used to notify RouteConfigProvider about configuration changes.
   */
-  virtual void onConfigUpdate() PURE;
+  virtual absl::Status onConfigUpdate() PURE;


nit: update the doc-string to include returned value.

adisuissa · 2023-09-06T17:51:49Z

source/common/filter/config_discovery_impl.cc

@@ -215,7 +225,7 @@ void FilterConfigProviderManagerImplBase::applyLastOrDefaultConfig(
  bool last_config_valid = false;
  if (subscription->lastConfig()) {
    TRY_ASSERT_MAIN_THREAD {
-      provider.validateTypeUrl(subscription->lastTypeUrl());
+      THROW_IF_NOT_OK(provider.validateTypeUrl(subscription->lastTypeUrl()))


OOC why doesn't the validateMessage() in the line below needs the same THROW_IF_NOT_OK wrapper?

Looking further in this PR, I guess this is going to be a future change.

adisuissa · 2023-09-06T17:53:18Z

source/common/filter/config_discovery_impl.cc

+      auto status = provider.onConfigUpdate(*subscription->lastConfig(),
+                                            subscription->lastVersionInfo(), nullptr);
+      if (!status.ok()) {
+        throw EnvoyException(std::string(status.message()));
+      }


nit: can THROW_IF_NOT_OK be used here?

adisuissa · 2023-09-06T17:54:04Z

source/common/filter/config_discovery_impl.h

+      auto status = onConfigUpdate(*default_configuration_, "", nullptr);
+      if (!status.ok()) {
+        throw EnvoyException(std::string(status.message()));
+      }


nit: can THROW_IF_NOT_OK be used here?

adisuissa · 2023-09-06T17:55:00Z

source/common/rds/rds_route_config_subscription.cc

+      auto status = route_config_provider_->onConfigUpdate();
+      if (!status.ok()) {
+        throw EnvoyException(std::string(status.message()));
+      }


nit: can THROW_IF_NOT_OK be used here?

adisuissa · 2023-09-06T17:58:19Z

source/common/router/scoped_rds.cc

-  ConfigSubscriptionCommonBase::onConfigUpdate();
-  if (any_applied) {
+  bool any_applied = false;
+  absl::Status scopes = addOrUpdateScopes(


nit: rename scopes to scopes_status

BTW: why not use StatusOr for the return value? just to clarify that any_applied is a return val)?

adisuissa · 2023-09-06T18:03:01Z

source/common/router/scoped_rds.cc

    const std::vector<Envoy::Config::DecodedResourceRef>& resources, Init::Manager& init_manager,
-    const std::string& version_info) {
-  bool any_applied = false;


I think setting to false is still needed, in case the passed value is true, but nothing will be applied

adisuissa · 2023-09-06T18:04:12Z

source/common/router/vhds.cc

+      auto status = route_config_provider_->onConfigUpdate();
+
+      if (!status.ok()) {
+        throw EnvoyException(std::string(status.message()));
+      }


nit: can THROW_IF_NOT_OK be used here?

adisuissa · 2023-09-06T18:11:35Z

envoy/common/exception.h

+  absl::Status status = status_fn;                                                                 \
+  if (!status.ok()) {                                                                              \
+    throw EnvoyException(std::string(status.message()));                                           \
+  }


Consider adding this inside an inner scope, to allow reuse of status variable name in the same block.

adisuissa · 2023-09-06T18:16:07Z

test/common/filter/config_discovery_impl_test.cc

    return;
  }

  EXPECT_THROW_WITH_MESSAGE(
-      config_discovery_test.callbacks_->onConfigUpdate(decoded_resources.refvec_,
-                                                       response.version_info()),
+      EXPECT_TRUE(config_discovery_test.callbacks_


A bit confusing (expect throw, while expecting a successful return value), but I guess this is just to satisfy the linter.

yeah and they're mostly all changing in the follow-up PR.

Signed-off-by: Alyssa Wilk <alyssar@chromium.org>

mattklein123

LGTM at a high level. I live now in the land of ? so looking at all of this is pretty painful. 😉

Signed-off-by: Alyssa Wilk <alyssar@chromium.org>

adisuissa

Thanks, LGTM!
Left a couple of small const nits, that I think can be done in a future PR.

adisuissa · 2023-09-07T13:08:35Z

source/common/router/scoped_rds.cc

+  if (!status_or_applied.status().ok()) {
+    return status_or_applied.status();
+  }
+  bool any_applied = status_or_applied.value();


nit: const here and places above and below (defer for future PR)

adisuissa · 2023-09-07T13:09:37Z

envoy/common/exception.h

@@ -12,6 +12,14 @@ class EnvoyException : public std::runtime_error {
  EnvoyException(const std::string& message) : std::runtime_error(message) {}
 };

+#define THROW_IF_NOT_OK(status_fn)                                                                 \
+  {                                                                                                \
+    absl::Status status = status_fn;                                                               \


nit: const (defer to future PR)

alyssawilk · 2023-09-07T13:31:39Z

Thanks for the fast turnaround! I'll address the last two nits in the follow-up (removing throws) which I have staged to go

follow up to #29439 using the new status return code Risk Level: medium Testing: updated tests Docs Changes: n/a Release Notes: n/a envoyproxy/envoy-mobile#176 Signed-off-by: Alyssa Wilk <alyssar@chromium.org>

Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

follow up to envoyproxy#29439 using the new status return code Risk Level: medium Testing: updated tests Docs Changes: n/a Release Notes: n/a envoyproxy/envoy-mobile#176 Signed-off-by: Alyssa Wilk <alyssar@chromium.org>

Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

alyssawilk added 2 commits August 21, 2023 08:52

WIP

fad0f95

Signed-off-by: Alyssa Wilk <alyssar@chromium.org>

integration tests pass

fb94be7

Signed-off-by: Alyssa Wilk <alyssar@chromium.org>

alyssawilk force-pushed the ds branch from 8c16e30 to eeb3209 Compare September 6, 2023 12:38

changing onConfigUpdate to take absl::Status

945c60a

Signed-off-by: Alyssa Wilk <alyssar@chromium.org>

alyssawilk force-pushed the ds branch from eeb3209 to 945c60a Compare September 6, 2023 13:38

alyssawilk assigned adisuissa and mattklein123 Sep 6, 2023

alyssawilk marked this pull request as ready for review September 6, 2023 13:54

alyssawilk requested review from wbpcode, soulxu, htuch, zuercher and lizan as code owners September 6, 2023 13:54

adisuissa reviewed Sep 6, 2023

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Signed-off-by: Alyssa Wilk <alyssar@chromium.org>

mattklein123 approved these changes Sep 7, 2023

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Merge branch 'main' into ds

94348b2

Signed-off-by: Alyssa Wilk <alyssar@chromium.org>

adisuissa approved these changes Sep 7, 2023

View reviewed changes

alyssawilk enabled auto-merge (squash) September 7, 2023 13:30

alyssawilk merged commit e6ee1cf into envoyproxy:main Sep 7, 2023
114 of 115 checks passed

alyssawilk mentioned this pull request Sep 7, 2023

xds: returning absl::Status #29497

Merged

zirain mentioned this pull request Sep 8, 2023

Automator: update envoy@ in istio/proxy@master istio/proxy#4942

Closed

sayboras added a commit to sayboras/proxy that referenced this pull request Oct 22, 2023

cilium: Adjust onConfigUpdate signature

135d04f

Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

sayboras added a commit to sayboras/proxy that referenced this pull request Oct 22, 2023

cilium: Adjust onConfigUpdate signature

a4b49af

Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

sayboras added a commit to sayboras/proxy that referenced this pull request Oct 22, 2023

cilium: Adjust onConfigUpdate signature

3428269

Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

sayboras added a commit to sayboras/proxy that referenced this pull request Oct 22, 2023

cilium: Adjust onConfigUpdate signature

55304d2

Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

sayboras added a commit to sayboras/proxy that referenced this pull request Nov 11, 2023

cilium: Adjust onConfigUpdate signature

a96fcd4

Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

sayboras added a commit to sayboras/proxy that referenced this pull request Dec 2, 2023

cilium: Adjust onConfigUpdate signature

693f4c0

Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

sayboras added a commit to sayboras/proxy that referenced this pull request Dec 6, 2023

cilium: Adjust onConfigUpdate signature

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Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

sayboras added a commit to sayboras/proxy that referenced this pull request Dec 10, 2023

cilium: Adjust onConfigUpdate signature

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Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

sayboras added a commit to sayboras/proxy that referenced this pull request Dec 12, 2023

cilium: Adjust onConfigUpdate signature

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Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

sayboras added a commit to sayboras/proxy that referenced this pull request Dec 27, 2023

cilium: Adjust onConfigUpdate signature

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Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

sayboras added a commit to sayboras/proxy that referenced this pull request Jan 23, 2024

cilium: Adjust onConfigUpdate signature

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Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

sayboras added a commit to sayboras/proxy that referenced this pull request Jan 29, 2024

cilium: Adjust onConfigUpdate signature

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Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

sayboras added a commit to sayboras/proxy that referenced this pull request Jan 29, 2024

cilium: Adjust onConfigUpdate signature

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Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

sayboras added a commit to cilium/proxy that referenced this pull request Jan 29, 2024

cilium: Adjust onConfigUpdate signature

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Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

sayboras added a commit to sayboras/proxy that referenced this pull request Jan 29, 2024

cilium: Adjust onConfigUpdate signature

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Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

github-merge-queue bot pushed a commit to cilium/proxy that referenced this pull request Jan 30, 2024

cilium: Adjust onConfigUpdate signature

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Relates: envoyproxy/envoy#29439 Signed-off-by: Tam Mach <tam.mach@cilium.io>

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changing xDS APIs to take abs::Satus #29439

changing xDS APIs to take abs::Satus #29439

alyssawilk commented Sep 5, 2023 •

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alyssawilk commented Sep 7, 2023

changing xDS APIs to take abs::Satus #29439

changing xDS APIs to take abs::Satus #29439

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alyssawilk commented Sep 7, 2023

alyssawilk commented Sep 5, 2023 •

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