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DeepCopy resources that require status updates #1723
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* Was seeing constant churn between provider runner publishing resources and gateway-api runner receiving them. * Tried to debug it by printing the o/p of `cmp.Diff` between current and previous values ``` diff --git a/internal/gatewayapi/runner/runner.go b/internal/gatewayapi/runner/runner.go index 050394ba..50d09f6f 100644 --- a/internal/gatewayapi/runner/runner.go +++ b/internal/gatewayapi/runner/runner.go @@ -8,6 +8,7 @@ package runner import ( "context" + "github.com/google/go-cmp/cmp" "k8s.io/apimachinery/pkg/runtime/schema" "sigs.k8s.io/gateway-api/apis/v1beta1" "sigs.k8s.io/yaml" @@ -49,6 +50,7 @@ func (r *Runner) Start(ctx context.Context) error { } func (r *Runner) subscribeAndTranslate(ctx context.Context) { + prev := &gatewayapi.Resources{} message.HandleSubscription(r.ProviderResources.GatewayAPIResources.Subscribe(ctx), func(update message.Update[string, *gatewayapi.Resources]) { val := update.Value @@ -56,6 +58,9 @@ func (r *Runner) subscribeAndTranslate(ctx context.Context) { if update.Delete || val == nil { return } + diff := cmp.Diff(prev, val) + r.Logger.WithValues("output", "diff").Info(diff) + prev = val.DeepCopy() // Translate and publish IRs. t := &gatewayapi.Translator{ ``` Here's the o/p and its empty ``` 2023-07-27T23:55:29.795Z INFO gateway-api runner/runner.go:62 {"runner": "gateway-api", "output": "diff"} ``` * Using a DeepCopy for resources that were updating the `Status` subresource seems to have solved the issue, which implies that watchable doesnt like clients to mutate the value, even though they are meant to be a `DeepCopy` Fixes: envoyproxy#1715 Signed-off-by: Arko Dasgupta <arko@tetrate.io>
cc @LukeShu |
Codecov Report
@@ Coverage Diff @@
## main #1723 +/- ##
==========================================
+ Coverage 64.77% 64.85% +0.07%
==========================================
Files 83 83
Lines 11925 11928 +3
==========================================
+ Hits 7725 7736 +11
+ Misses 3715 3710 -5
+ Partials 485 482 -3
|
AliceProxy
approved these changes
Aug 1, 2023
zirain
approved these changes
Aug 1, 2023
@@ -57,6 +57,7 @@ func (r *Runner) subscribeToProxyInfraIR(ctx context.Context) { | |||
// Subscribe to resources | |||
message.HandleSubscription(r.InfraIR.Subscribe(ctx), | |||
func(update message.Update[string, *ir.Infra]) { | |||
r.Logger.Info("received an update") |
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ditto
zirain
reviewed
Aug 1, 2023
@@ -51,6 +51,8 @@ func (r *Runner) Start(ctx context.Context) error { | |||
func (r *Runner) subscribeAndTranslate(ctx context.Context) { | |||
message.HandleSubscription(r.ProviderResources.GatewayAPIResources.Subscribe(ctx), | |||
func(update message.Update[string, *gatewayapi.Resources]) { | |||
r.Logger.Info("received an update") |
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this should be a debug log
arkodg
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Relates to envoyproxy#1723 (comment) Signed-off-by: Arko Dasgupta <arko@tetrate.io>
arkodg
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Aug 2, 2023
* Was seeing constant churn between provider runner publishing resources and gateway-api runner receiving them. * Tried to debug it by printing the o/p of `cmp.Diff` between current and previous values ``` diff --git a/internal/gatewayapi/runner/runner.go b/internal/gatewayapi/runner/runner.go index 050394ba..50d09f6f 100644 --- a/internal/gatewayapi/runner/runner.go +++ b/internal/gatewayapi/runner/runner.go @@ -8,6 +8,7 @@ package runner import ( "context" + "github.com/google/go-cmp/cmp" "k8s.io/apimachinery/pkg/runtime/schema" "sigs.k8s.io/gateway-api/apis/v1beta1" "sigs.k8s.io/yaml" @@ -49,6 +50,7 @@ func (r *Runner) Start(ctx context.Context) error { } func (r *Runner) subscribeAndTranslate(ctx context.Context) { + prev := &gatewayapi.Resources{} message.HandleSubscription(r.ProviderResources.GatewayAPIResources.Subscribe(ctx), func(update message.Update[string, *gatewayapi.Resources]) { val := update.Value @@ -56,6 +58,9 @@ func (r *Runner) subscribeAndTranslate(ctx context.Context) { if update.Delete || val == nil { return } + diff := cmp.Diff(prev, val) + r.Logger.WithValues("output", "diff").Info(diff) + prev = val.DeepCopy() // Translate and publish IRs. t := &gatewayapi.Translator{ ``` Here's the o/p and its empty ``` 2023-07-27T23:55:29.795Z INFO gateway-api runner/runner.go:62 {"runner": "gateway-api", "output": "diff"} ``` * Using a DeepCopy for resources that were updating the `Status` subresource seems to have solved the issue, which implies that watchable doesnt like clients to mutate the value, even though they are meant to be a `DeepCopy` Fixes: envoyproxy#1715 Signed-off-by: Arko Dasgupta <arko@tetrate.io> (cherry picked from commit 5b72451)
arkodg
added a commit
that referenced
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Aug 2, 2023
* refactor: set defaults in Deployment, else k8s sets them for you, creating infinite reconciliation loop (#1594) * fix: envoy proxy resource apply bug. Signed-off-by: qicz <qiczzhu@gmail.com> * update pointer. Signed-off-by: qicz <qiczzhu@gmail.com> * add comment Signed-off-by: qicz <qiczzhu@gmail.com> * update cm cmp logic. Signed-off-by: qicz <qiczzhu@gmail.com> * fix lint Signed-off-by: qicz <qiczzhu@gmail.com> * add probe field default value. Signed-off-by: qicz <qiczzhu@gmail.com> * fix uts Signed-off-by: qicz <qiczzhu@gmail.com> * align probe Signed-off-by: qicz <qiczzhu@gmail.com> * optimize deploy compare logic Signed-off-by: qicz <qiczzhu@gmail.com> * add compare deploy uts Signed-off-by: qicz <qiczzhu@gmail.com> * rm cm binarydata cmp Signed-off-by: qicz <qiczzhu@gmail.com> * rm deploy cmp logic Signed-off-by: qicz <qiczzhu@gmail.com> * fix ut Signed-off-by: qicz <qiczzhu@gmail.com> * fix lint Signed-off-by: qicz <qiczzhu@gmail.com> --------- Signed-off-by: qicz <qiczzhu@gmail.com> Signed-off-by: qi <qiczzhu@gmail.com> (cherry picked from commit 9ba9103) * DeepCopy resources that require status updates (#1723) * Was seeing constant churn between provider runner publishing resources and gateway-api runner receiving them. * Tried to debug it by printing the o/p of `cmp.Diff` between current and previous values ``` diff --git a/internal/gatewayapi/runner/runner.go b/internal/gatewayapi/runner/runner.go index 050394ba..50d09f6f 100644 --- a/internal/gatewayapi/runner/runner.go +++ b/internal/gatewayapi/runner/runner.go @@ -8,6 +8,7 @@ package runner import ( "context" + "github.com/google/go-cmp/cmp" "k8s.io/apimachinery/pkg/runtime/schema" "sigs.k8s.io/gateway-api/apis/v1beta1" "sigs.k8s.io/yaml" @@ -49,6 +50,7 @@ func (r *Runner) Start(ctx context.Context) error { } func (r *Runner) subscribeAndTranslate(ctx context.Context) { + prev := &gatewayapi.Resources{} message.HandleSubscription(r.ProviderResources.GatewayAPIResources.Subscribe(ctx), func(update message.Update[string, *gatewayapi.Resources]) { val := update.Value @@ -56,6 +58,9 @@ func (r *Runner) subscribeAndTranslate(ctx context.Context) { if update.Delete || val == nil { return } + diff := cmp.Diff(prev, val) + r.Logger.WithValues("output", "diff").Info(diff) + prev = val.DeepCopy() // Translate and publish IRs. t := &gatewayapi.Translator{ ``` Here's the o/p and its empty ``` 2023-07-27T23:55:29.795Z INFO gateway-api runner/runner.go:62 {"runner": "gateway-api", "output": "diff"} ``` * Using a DeepCopy for resources that were updating the `Status` subresource seems to have solved the issue, which implies that watchable doesnt like clients to mutate the value, even though they are meant to be a `DeepCopy` Fixes: #1715 Signed-off-by: Arko Dasgupta <arko@tetrate.io> (cherry picked from commit 5b72451) * observability: add container port for metrics (#1736) container port Signed-off-by: zirain <zirain2009@gmail.com> (cherry picked from commit 4bba03a) * docs: Add user docs for EnvoyPatchPolicy (#1733) * Add user docs for EnvoyPatchPolicy Relates to #24 Signed-off-by: Arko Dasgupta <arko@tetrate.io> * nits Signed-off-by: Arko Dasgupta <arko@tetrate.io> * wrap up Signed-off-by: Arko Dasgupta <arko@tetrate.io> * lint Signed-off-by: Arko Dasgupta <arko@tetrate.io> * address comments && fix config Signed-off-by: Arko Dasgupta <arko@tetrate.io> --------- Signed-off-by: Arko Dasgupta <arko@tetrate.io> (cherry picked from commit 27b0939) * e2e & misc fixes for EnvoyPatchPolicy (#1738) * Add E2E for EnvoyPatchPolicy * Use LocalReplyConfig to return a custom status code `406` when there is no valid route match Signed-off-by: Arko Dasgupta <arko@tetrate.io> (cherry picked from commit a7784c5) --------- Signed-off-by: Arko Dasgupta <arko@tetrate.io> Co-authored-by: qi <qiczzhu@gmail.com> Co-authored-by: zirain <zirain2009@gmail.com>
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Was seeing constant churn between provider runner publishing resources and gateway-api runner receiving them.
Tried to debug it by printing the o/p of
cmp.Diff
between current and previous valuesHere's the o/p and its empty
Status
subresource seems to have solved the issue, which implies that watchable doesnt like clients to mutate the value, even though they are meant to be aDeepCopy
Fixes: #1715