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upstream: allow clusters to skip waiting on warmup for initialization (#17179)

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Commit Message: upstream -- allow clusters to skip waiting on warmup for initialization
Additional Description: this reduces server startup time, but might cause initial 500s for requests made on unresolved clusters. Further work might be needed there if operators use this new config option.
Risk Level: low - new config option. Default uses legacy behavior.
Testing: added unit tests
Docs Changes: added.
Release Notes: updated

Signed-off-by: Jose Nino <jnino@lyft.com>

Mirrored from https://github.com/envoyproxy/envoy @ f2906f5ce372814b8e6f688a0e1766703d8b56f2
pull/624/head
data-plane-api(Azure Pipelines) 4 years ago
parent ba691eaee4
commit 5747b966e2
2 changed files with 16 additions and 2 deletions
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  1. 9
      envoy/config/cluster/v3/cluster.proto
  2. 9
      envoy/config/cluster/v4alpha/cluster.proto

9
envoy/config/cluster/v3/cluster.proto
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@ -43,7 +43,7 @@ message ClusterCollection {
}
// Configuration for a single upstream cluster.
// [#next-free-field: 54]
// [#next-free-field: 55]
message Cluster {
option (udpa.annotations.versioning).previous_message_type = "envoy.api.v2.Cluster";
@ -876,6 +876,13 @@ message Cluster {
// DNS resolution configuration which includes the underlying dns resolver addresses and options.
core.v3.DnsResolutionConfig dns_resolution_config = 53;
// Optional configuration for having cluster readiness block on warm-up. Currently, only applicable for
// :ref:`STRICT_DNS<envoy_v3_api_enum_value_config.cluster.v3.Cluster.DiscoveryType.STRICT_DNS>`,
// or :ref:`LOGICAL_DNS<envoy_v3_api_enum_value_config.cluster.v3.Cluster.DiscoveryType.LOGICAL_DNS>`.
// If true, cluster readiness blocks on warm-up. If false, the cluster will complete
// initialization whether or not warm-up has completed. Defaults to true.
google.protobuf.BoolValue wait_for_warm_on_init = 54;
// If specified, outlier detection will be enabled for this upstream cluster.
// Each of the configuration values can be overridden via
// :ref:`runtime values <config_cluster_manager_cluster_runtime_outlier_detection>`.

9
envoy/config/cluster/v4alpha/cluster.proto
Unescape View File

@ -43,7 +43,7 @@ message ClusterCollection {
}
// Configuration for a single upstream cluster.
// [#next-free-field: 54]
// [#next-free-field: 55]
message Cluster {
option (udpa.annotations.versioning).previous_message_type = "envoy.config.cluster.v3.Cluster";
@ -802,6 +802,13 @@ message Cluster {
// DNS resolution configuration which includes the underlying dns resolver addresses and options.
core.v4alpha.DnsResolutionConfig dns_resolution_config = 53;
// Optional configuration for having cluster readiness block on warm-up. Currently, only applicable for
// :ref:`STRICT_DNS<envoy_v3_api_enum_value_config.cluster.v3.Cluster.DiscoveryType.STRICT_DNS>`,
// or :ref:`LOGICAL_DNS<envoy_v3_api_enum_value_config.cluster.v3.Cluster.DiscoveryType.LOGICAL_DNS>`.
// If true, cluster readiness blocks on warm-up. If false, the cluster will complete
// initialization whether or not warm-up has completed. Defaults to true.
google.protobuf.BoolValue wait_for_warm_on_init = 54;
// If specified, outlier detection will be enabled for this upstream cluster.
// Each of the configuration values can be overridden via
// :ref:`runtime values <config_cluster_manager_cluster_runtime_outlier_detection>`.

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