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* build: consolidate Envoy version management Simplify Envoy version management by consolidating all runtime, build, and CI sources of Envoy versions into a single plaintext file. The goal of this change is to avoid common mistakes missing an update of some Envoy versions (both in general and due to release branch inconsistency), and enable automated Envoy version updates in the future. * ci: add missing ref argument for get-go-version Supports nightly tests.
103 lines
2.7 KiB
Go
103 lines
2.7 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package xdscommon
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import (
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"fmt"
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envoy_core_v3 "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
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"github.com/hashicorp/go-version"
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)
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var (
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// minSupportedVersion is the oldest mainline version we support. This should always be
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// the zero'th point release of the last element of xdscommon.EnvoyVersions.
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minSupportedVersion = version.Must(version.NewVersion(GetMinEnvoyMajorVersion()))
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specificUnsupportedVersions = []unsupportedVersion{}
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)
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type unsupportedVersion struct {
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Version *version.Version
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UpgradeTo string
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Why string
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}
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type SupportedProxyFeatures struct {
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// Put feature switches here when necessary. For reference, The most recent remove of a feature flag was removed in
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// <insert PR here>.
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}
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func DetermineSupportedProxyFeatures(node *envoy_core_v3.Node) (SupportedProxyFeatures, error) {
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version := DetermineEnvoyVersionFromNode(node)
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return determineSupportedProxyFeaturesFromVersion(version)
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}
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func DetermineSupportedProxyFeaturesFromString(vs string) (SupportedProxyFeatures, error) {
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version := version.Must(version.NewVersion(vs))
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return determineSupportedProxyFeaturesFromVersion(version)
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}
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func determineSupportedProxyFeaturesFromVersion(version *version.Version) (SupportedProxyFeatures, error) {
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if version == nil {
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// This would happen on either extremely old builds OR perhaps on
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// custom builds. Should we error?
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return SupportedProxyFeatures{}, nil
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}
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if version.LessThan(minSupportedVersion) {
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return SupportedProxyFeatures{}, fmt.Errorf("Envoy %s is too old and is not supported by Consul", version)
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}
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for _, uv := range specificUnsupportedVersions {
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if version.Equal(uv.Version) {
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return SupportedProxyFeatures{}, fmt.Errorf(
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"Envoy %s is too old of a point release and is not supported by Consul because it %s. "+
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"Please upgrade to version %s.",
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version,
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uv.Why,
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uv.UpgradeTo,
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)
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}
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}
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sf := SupportedProxyFeatures{}
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// when feature flags necessary, populate here by calling version.LessThan(...)
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return sf, nil
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}
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func DetermineEnvoyVersionFromNode(node *envoy_core_v3.Node) *version.Version {
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if node == nil {
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return nil
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}
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if node.UserAgentVersionType == nil {
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return nil
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}
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if node.UserAgentName != "envoy" {
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return nil
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}
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bv, ok := node.UserAgentVersionType.(*envoy_core_v3.Node_UserAgentBuildVersion)
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if !ok {
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// NOTE: we could sniff for *envoycore.Node_UserAgentVersion and do more regex but official builds don't have this problem.
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return nil
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}
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if bv.UserAgentBuildVersion == nil {
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return nil
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}
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v := bv.UserAgentBuildVersion.Version
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return version.Must(version.NewVersion(
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fmt.Sprintf("%d.%d.%d",
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v.GetMajorNumber(),
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v.GetMinorNumber(),
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v.GetPatch(),
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),
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))
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}
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