mirror of https://github.com/hashicorp/consul
640 lines
20 KiB
Go
640 lines
20 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package wasm
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import (
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"encoding/json"
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"fmt"
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"net/url"
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"strings"
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"testing"
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"time"
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envoy_core_v3 "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
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envoy_listener_v3 "github.com/envoyproxy/go-control-plane/envoy/config/listener/v3"
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envoy_http_wasm_v3 "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/http/wasm/v3"
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envoy_http_v3 "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/network/http_connection_manager/v3"
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envoy_wasm_v3 "github.com/envoyproxy/go-control-plane/envoy/extensions/wasm/v3"
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"github.com/mitchellh/mapstructure"
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"github.com/stretchr/testify/require"
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"google.golang.org/protobuf/encoding/protojson"
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"google.golang.org/protobuf/proto"
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"google.golang.org/protobuf/types/known/anypb"
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"google.golang.org/protobuf/types/known/durationpb"
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"google.golang.org/protobuf/types/known/wrapperspb"
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"github.com/hashicorp/consul/acl"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/envoyextensions/extensioncommon"
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"github.com/hashicorp/consul/proto/private/prototest"
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)
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func TestHttpWasmExtension(t *testing.T) {
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t.Parallel()
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cases := map[string]struct {
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extName string
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canApply bool
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args func(bool) map[string]any
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rtCfg func(bool) *extensioncommon.RuntimeConfig
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inputFilters func() []*envoy_http_v3.HttpFilter
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expFilters func(tc testWasmConfig) []*envoy_http_v3.HttpFilter
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errStr string
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debug bool
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}{
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"http remote file": {
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extName: api.BuiltinWasmExtension,
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canApply: true,
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args: func(ent bool) map[string]any { return makeTestWasmConfig(ent).toMap(t) },
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rtCfg: func(ent bool) *extensioncommon.RuntimeConfig { return makeTestRuntimeConfig(ent) },
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inputFilters: makeTestHttpFilters,
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expFilters: func(tc testWasmConfig) []*envoy_http_v3.HttpFilter {
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return []*envoy_http_v3.HttpFilter{
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{Name: "one"},
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{Name: "two"},
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{
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Name: "envoy.filters.http.wasm",
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ConfigType: &envoy_http_v3.HttpFilter_TypedConfig{
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TypedConfig: makeAny(t,
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&envoy_http_wasm_v3.Wasm{
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Config: tc.toHttpWasmFilter(t),
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}),
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},
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},
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{Name: "envoy.filters.http.router"},
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{Name: "three"},
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}
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},
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},
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"local file": {
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extName: api.BuiltinWasmExtension,
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canApply: true,
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args: func(ent bool) map[string]any {
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cfg := newTestWasmConfig(ent)
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cfg.Protocol = "http"
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cfg.ListenerType = "inbound"
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cfg.PluginConfig.VmConfig.Code.Local.Filename = "plugin.wasm"
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return cfg.toMap(t)
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},
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rtCfg: func(ent bool) *extensioncommon.RuntimeConfig { return makeTestRuntimeConfig(ent) },
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inputFilters: makeTestHttpFilters,
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expFilters: func(tc testWasmConfig) []*envoy_http_v3.HttpFilter {
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return []*envoy_http_v3.HttpFilter{
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{Name: "one"},
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{Name: "two"},
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{
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Name: "envoy.filters.http.wasm",
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ConfigType: &envoy_http_v3.HttpFilter_TypedConfig{
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TypedConfig: makeAny(t,
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&envoy_http_wasm_v3.Wasm{
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Config: tc.toHttpWasmFilter(t),
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}),
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},
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},
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{Name: "envoy.filters.http.router"},
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{Name: "three"},
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}
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},
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},
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"no cluster for remote file": {
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extName: api.BuiltinWasmExtension,
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canApply: true,
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args: func(ent bool) map[string]any { return makeTestWasmConfig(ent).toMap(t) },
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rtCfg: func(ent bool) *extensioncommon.RuntimeConfig {
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rt := makeTestRuntimeConfig(ent)
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rt.LocalUpstreams = nil
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return rt
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},
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inputFilters: makeTestHttpFilters,
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errStr: "no upstream found for remote service",
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},
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}
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for _, enterprise := range []bool{false, true} {
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for name, c := range cases {
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c := c
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t.Run(fmt.Sprintf("%s_ent_%t", name, enterprise), func(t *testing.T) {
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t.Parallel()
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rtCfg := c.rtCfg(enterprise)
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rtCfg.EnvoyExtension = api.EnvoyExtension{
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Name: c.extName,
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Arguments: c.args(enterprise),
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}
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w, err := construct(rtCfg.EnvoyExtension)
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require.NoError(t, err)
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require.Equal(t, c.canApply, w.CanApply(rtCfg))
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if !c.canApply {
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return
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}
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route, patched, err := w.PatchRoute(c.rtCfg(enterprise), nil)
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require.Nil(t, route)
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require.False(t, patched)
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require.NoError(t, err)
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cluster, patched, err := w.PatchCluster(c.rtCfg(enterprise), nil)
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require.Nil(t, cluster)
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require.False(t, patched)
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require.NoError(t, err)
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inputHttpConMgr := makeHttpConMgr(t, c.inputFilters())
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obsHttpConMgr, patched, err := w.PatchFilter(c.rtCfg(enterprise), inputHttpConMgr)
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if c.errStr == "" {
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require.NoError(t, err)
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require.True(t, patched)
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cfg := testWasmConfigFromMap(t, c.args(enterprise))
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expHttpConMgr := makeHttpConMgr(t, c.expFilters(cfg))
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if c.debug {
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t.Logf("cfg =\n%s\n\n", cfg.toJSON(t))
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t.Logf("expFilterJSON =\n%s\n\n", protoToJSON(t, expHttpConMgr))
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t.Logf("obsfilterJSON =\n%s\n\n", protoToJSON(t, obsHttpConMgr))
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}
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prototest.AssertDeepEqual(t, expHttpConMgr, obsHttpConMgr)
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} else {
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require.Contains(t, err.Error(), c.errStr)
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}
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})
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}
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}
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}
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func TestWasmConstructor(t *testing.T) {
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t.Parallel()
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cases := map[string]struct {
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name string
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args func(bool) map[string]any
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errStr string
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}{
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"with no arguments": {
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name: api.BuiltinWasmExtension,
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args: func(_ bool) map[string]any { return nil },
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errStr: "VmConfig.Code must provide exactly one of Local or Remote data source",
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},
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"invalid protocol": {
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name: api.BuiltinWasmExtension,
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args: func(ent bool) map[string]any {
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cfg := newTestWasmConfig(ent)
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cfg.Protocol = "invalid"
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return cfg.toMap(t)
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},
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errStr: `unsupported Protocol "invalid", expected "tcp" or "http"`,
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},
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"invalid proxy type": {
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name: api.BuiltinWasmExtension,
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args: func(ent bool) map[string]any {
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cfg := newTestWasmConfig(ent)
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cfg.ProxyType = "invalid"
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return cfg.toMap(t)
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},
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errStr: "unsupported ProxyType",
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},
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"invalid listener type": {
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name: api.BuiltinWasmExtension,
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args: func(ent bool) map[string]any {
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cfg := newTestWasmConfig(ent)
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cfg.ListenerType = "invalid"
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return cfg.toMap(t)
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},
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errStr: `unsupported ListenerType "invalid", expected "inbound" or "outbound"`,
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},
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"invalid runtime": {
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name: api.BuiltinWasmExtension,
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args: func(ent bool) map[string]any {
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cfg := newTestWasmConfig(ent)
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cfg.PluginConfig.VmConfig.Runtime = "invalid"
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return cfg.toMap(t)
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},
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errStr: "unsupported runtime",
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},
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"both local and remote files": {
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name: api.BuiltinWasmExtension,
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args: func(ent bool) map[string]any {
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cfg := newTestWasmConfig(ent)
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cfg.PluginConfig.VmConfig.Code.Local.Filename = "plugin.wasm"
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cfg.PluginConfig.VmConfig.Code.Remote.HttpURI.Service.Name = "file-server"
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cfg.PluginConfig.VmConfig.Code.Remote.HttpURI.URI = "http://file-server/plugin.wasm"
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return cfg.toMap(t)
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},
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errStr: "VmConfig.Code must provide exactly one of Local or Remote data source",
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},
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"service and uri required for remote files": {
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name: api.BuiltinWasmExtension,
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args: func(ent bool) map[string]any {
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cfg := newTestWasmConfig(ent)
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cfg.PluginConfig.VmConfig.Code.Remote.HttpURI.Service.Name = "file-server"
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return cfg.toMap(t)
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},
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errStr: "both Service and URI are required for Remote data sources",
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},
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"no sha for remote file": {
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name: api.BuiltinWasmExtension,
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args: func(ent bool) map[string]any {
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cfg := newTestWasmConfig(ent)
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cfg.PluginConfig.VmConfig.Code.Remote.HttpURI.Service.Name = "file-server"
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cfg.PluginConfig.VmConfig.Code.Remote.HttpURI.URI = "http://file-server/plugin.wasm"
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return cfg.toMap(t)
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},
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errStr: "SHA256 checksum is required for Remote data sources",
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},
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"invalid url for remote file": {
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name: api.BuiltinWasmExtension,
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args: func(ent bool) map[string]any {
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cfg := newTestWasmConfig(ent)
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cfg.PluginConfig.VmConfig.Code.Remote.HttpURI.Service.Name = "file-server"
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cfg.PluginConfig.VmConfig.Code.Remote.HttpURI.URI = "://bogus.url.com/error"
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return cfg.toMap(t)
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},
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errStr: `invalid HttpURI.URI: parse "://bogus.url.com/error": missing protocol scheme`,
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},
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"decoding error": {
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name: api.BuiltinWasmExtension,
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args: func(ent bool) map[string]any {
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a := makeTestWasmConfig(ent).toMap(t)
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setField(a, "PluginConfig.VmConfig.Code.Remote.RetryPolicy.RetryBackOff.BaseInterval", 1000)
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return a
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},
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errStr: "got unconvertible type",
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},
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"invalid http timeout": {
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name: api.BuiltinWasmExtension,
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args: func(ent bool) map[string]any {
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cfg := newTestWasmConfig(ent)
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cfg.PluginConfig.VmConfig.Code.Remote.HttpURI.Timeout = "invalid"
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return cfg.toMap(t)
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},
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errStr: `failed to parse HttpURI.Timeout "invalid" as a duration`,
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},
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"invalid num retries": {
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name: api.BuiltinWasmExtension,
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args: func(ent bool) map[string]any {
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cfg := newTestWasmConfig(ent)
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cfg.PluginConfig.VmConfig.Code.Remote.RetryPolicy.NumRetries = -1
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return cfg.toMap(t)
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},
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errStr: "RetryPolicy.NumRetries must be greater than or equal to 0",
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},
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"invalid base interval": {
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name: api.BuiltinWasmExtension,
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args: func(ent bool) map[string]any {
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cfg := newTestWasmConfig(ent)
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cfg.PluginConfig.VmConfig.Code.Remote.RetryPolicy.RetryBackOff.BaseInterval = "0s"
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return cfg.toMap(t)
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},
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errStr: `RetryBackOff.BaseInterval "0s" must be greater than zero and less than or equal to RetryBackOff.MaxInterval`,
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},
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"invalid max interval": {
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name: api.BuiltinWasmExtension,
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args: func(ent bool) map[string]any {
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cfg := newTestWasmConfig(ent)
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cfg.PluginConfig.VmConfig.Code.Remote.RetryPolicy.RetryBackOff.BaseInterval = "10s"
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cfg.PluginConfig.VmConfig.Code.Remote.RetryPolicy.RetryBackOff.MaxInterval = "5s"
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return cfg.toMap(t)
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},
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errStr: `RetryBackOff.MaxInterval "5s" must be greater than or equal to RetryBackOff.BaseInterval "10s"`,
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},
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"invalid base interval duration": {
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name: api.BuiltinWasmExtension,
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args: func(ent bool) map[string]any {
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cfg := newTestWasmConfig(ent)
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cfg.PluginConfig.VmConfig.Code.Remote.RetryPolicy.RetryBackOff.BaseInterval = "invalid"
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return cfg.toMap(t)
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},
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errStr: `failed to parse RetryBackOff.BaseInterval "invalid"`,
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},
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"invalid max interval duration": {
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name: api.BuiltinWasmExtension,
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args: func(ent bool) map[string]any {
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cfg := newTestWasmConfig(ent)
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cfg.PluginConfig.VmConfig.Code.Remote.RetryPolicy.RetryBackOff.MaxInterval = "invalid"
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return cfg.toMap(t)
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},
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errStr: `failed to parse RetryBackOff.MaxInterval "invalid"`,
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},
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"invalid extension name": {
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name: "invalid",
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args: func(ent bool) map[string]any { return newTestWasmConfig(ent).toMap(t) },
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errStr: `expected extension name "builtin/wasm" but got "invalid"`,
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},
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"valid configuration": {
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name: api.BuiltinWasmExtension,
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args: func(ent bool) map[string]any { return makeTestWasmConfig(ent).toMap(t) },
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},
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}
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for _, enterprise := range []bool{false, true} {
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for name, c := range cases {
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c := c
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t.Run(fmt.Sprintf("%s_ent_%t", name, enterprise), func(t *testing.T) {
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t.Parallel()
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svc := api.CompoundServiceName{Name: "svc"}
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ext := extensioncommon.RuntimeConfig{
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ServiceName: svc,
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EnvoyExtension: api.EnvoyExtension{
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Name: c.name,
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Arguments: c.args(enterprise),
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},
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}
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e, err := Constructor(ext.EnvoyExtension)
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if c.errStr == "" {
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require.NoError(t, err)
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require.NotNil(t, e)
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} else {
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require.Error(t, err)
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require.Contains(t, err.Error(), c.errStr)
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}
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})
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}
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}
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}
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type testWasmConfig struct {
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Required bool
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Protocol string
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ProxyType string
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ListenerType string
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PluginConfig struct {
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Name string
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RootID string
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VmConfig struct {
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VmID string
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Runtime string
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Code struct {
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Local struct {
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Filename string
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}
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Remote struct {
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HttpURI struct {
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Service api.CompoundServiceName
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URI string
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Timeout string
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}
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SHA256 string
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RetryPolicy struct {
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RetryBackOff struct {
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BaseInterval string
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MaxInterval string
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}
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NumRetries int
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}
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}
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}
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Configuration string
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EnvironmentVariables struct {
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HostEnvKeys []string
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KeyValues map[string]string
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}
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}
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Configuration string
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CapabilityRestrictionConfiguration struct {
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AllowedCapabilities map[string]any
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}
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}
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}
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func testWasmConfigFromMap(t *testing.T, m map[string]any) testWasmConfig {
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t.Helper()
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var cfg testWasmConfig
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require.NoError(t, mapstructure.Decode(m, &cfg))
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return cfg
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}
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func (c testWasmConfig) toMap(t *testing.T) map[string]any {
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t.Helper()
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var m map[string]any
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require.NoError(t, json.Unmarshal(c.toJSON(t), &m))
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return m
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}
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func (c testWasmConfig) toJSON(t *testing.T) []byte {
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t.Helper()
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b, err := json.MarshalIndent(c, "", " ")
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require.NoError(t, err)
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return b
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}
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func (cfg testWasmConfig) toHttpWasmFilter(t *testing.T) *envoy_wasm_v3.PluginConfig {
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t.Helper()
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var code *envoy_core_v3.AsyncDataSource
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if cfg.PluginConfig.VmConfig.Code.Local.Filename != "" {
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code = &envoy_core_v3.AsyncDataSource{
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Specifier: &envoy_core_v3.AsyncDataSource_Local{
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Local: &envoy_core_v3.DataSource{
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Specifier: &envoy_core_v3.DataSource_Filename{
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Filename: cfg.PluginConfig.VmConfig.Code.Local.Filename,
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},
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},
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},
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}
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} else {
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cluster, err := url.Parse(cfg.PluginConfig.VmConfig.Code.Remote.HttpURI.URI)
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require.NoError(t, err)
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timeout, err := time.ParseDuration(cfg.PluginConfig.VmConfig.Code.Remote.HttpURI.Timeout)
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require.NoError(t, err)
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baseInterval, err := time.ParseDuration(cfg.PluginConfig.VmConfig.Code.Remote.RetryPolicy.RetryBackOff.BaseInterval)
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require.NoError(t, err)
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maxInterval, err := time.ParseDuration(cfg.PluginConfig.VmConfig.Code.Remote.RetryPolicy.RetryBackOff.MaxInterval)
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require.NoError(t, err)
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code = &envoy_core_v3.AsyncDataSource{
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Specifier: &envoy_core_v3.AsyncDataSource_Remote{
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Remote: &envoy_core_v3.RemoteDataSource{
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Sha256: cfg.PluginConfig.VmConfig.Code.Remote.SHA256,
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HttpUri: &envoy_core_v3.HttpUri{
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Uri: cfg.PluginConfig.VmConfig.Code.Remote.HttpURI.URI,
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Timeout: &durationpb.Duration{Seconds: int64(timeout.Seconds())},
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HttpUpstreamType: &envoy_core_v3.HttpUri_Cluster{
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Cluster: cluster.Host,
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},
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},
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RetryPolicy: &envoy_core_v3.RetryPolicy{
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RetryBackOff: &envoy_core_v3.BackoffStrategy{
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BaseInterval: &durationpb.Duration{Seconds: int64(baseInterval.Seconds())},
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MaxInterval: &durationpb.Duration{Seconds: int64(maxInterval.Seconds())},
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},
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NumRetries: wrapperspb.UInt32(uint32(cfg.PluginConfig.VmConfig.Code.Remote.RetryPolicy.NumRetries)),
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},
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},
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},
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}
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}
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var capConfig *envoy_wasm_v3.CapabilityRestrictionConfig
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if len(cfg.PluginConfig.CapabilityRestrictionConfiguration.AllowedCapabilities) > 0 {
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caps := make(map[string]*envoy_wasm_v3.SanitizationConfig)
|
|
for cap := range cfg.PluginConfig.CapabilityRestrictionConfiguration.AllowedCapabilities {
|
|
caps[cap] = &envoy_wasm_v3.SanitizationConfig{}
|
|
}
|
|
capConfig = &envoy_wasm_v3.CapabilityRestrictionConfig{AllowedCapabilities: caps}
|
|
}
|
|
|
|
var vmConfiguration *anypb.Any
|
|
if cfg.PluginConfig.VmConfig.Configuration != "" {
|
|
vmConfiguration = makeAny(t, wrapperspb.String(cfg.PluginConfig.VmConfig.Configuration))
|
|
}
|
|
|
|
var envVars *envoy_wasm_v3.EnvironmentVariables
|
|
if len(cfg.PluginConfig.VmConfig.EnvironmentVariables.HostEnvKeys) > 0 ||
|
|
len(cfg.PluginConfig.VmConfig.EnvironmentVariables.KeyValues) > 0 {
|
|
envVars = &envoy_wasm_v3.EnvironmentVariables{
|
|
HostEnvKeys: cfg.PluginConfig.VmConfig.EnvironmentVariables.HostEnvKeys,
|
|
KeyValues: cfg.PluginConfig.VmConfig.EnvironmentVariables.KeyValues,
|
|
}
|
|
}
|
|
|
|
var pluginConfiguration *anypb.Any
|
|
if cfg.PluginConfig.Configuration != "" {
|
|
pluginConfiguration = makeAny(t, wrapperspb.String(cfg.PluginConfig.Configuration))
|
|
}
|
|
|
|
rt := cfg.PluginConfig.VmConfig.Runtime
|
|
if rt == "" {
|
|
rt = supportedRuntimes[0]
|
|
}
|
|
|
|
return &envoy_wasm_v3.PluginConfig{
|
|
Name: cfg.PluginConfig.Name,
|
|
RootId: cfg.PluginConfig.RootID,
|
|
Vm: &envoy_wasm_v3.PluginConfig_VmConfig{
|
|
VmConfig: &envoy_wasm_v3.VmConfig{
|
|
VmId: cfg.PluginConfig.VmConfig.VmID,
|
|
Runtime: fmt.Sprintf("envoy.wasm.runtime.%s", rt),
|
|
Code: code,
|
|
Configuration: vmConfiguration,
|
|
EnvironmentVariables: envVars,
|
|
},
|
|
},
|
|
Configuration: pluginConfiguration,
|
|
FailOpen: !cfg.Required,
|
|
CapabilityRestrictionConfig: capConfig,
|
|
}
|
|
}
|
|
|
|
func makeAny(t *testing.T, m proto.Message) *anypb.Any {
|
|
t.Helper()
|
|
v, err := anypb.New(m)
|
|
require.NoError(t, err)
|
|
return v
|
|
}
|
|
|
|
func makeHttpConMgr(t *testing.T, filters []*envoy_http_v3.HttpFilter) *envoy_listener_v3.Filter {
|
|
t.Helper()
|
|
return &envoy_listener_v3.Filter{
|
|
Name: "envoy.filters.network.http_connection_manager",
|
|
ConfigType: &envoy_listener_v3.Filter_TypedConfig{
|
|
TypedConfig: makeAny(t, &envoy_http_v3.HttpConnectionManager{
|
|
HttpFilters: filters,
|
|
}),
|
|
},
|
|
}
|
|
}
|
|
|
|
func makeTestHttpFilters() []*envoy_http_v3.HttpFilter {
|
|
return []*envoy_http_v3.HttpFilter{
|
|
{Name: "one"},
|
|
{Name: "two"},
|
|
{Name: "envoy.filters.http.router"},
|
|
{Name: "three"},
|
|
}
|
|
}
|
|
|
|
func makeTestRuntimeConfig(enterprise bool) *extensioncommon.RuntimeConfig {
|
|
var ns, ap string
|
|
if enterprise {
|
|
ns = "ns1"
|
|
ap = "ap1"
|
|
}
|
|
return &extensioncommon.RuntimeConfig{
|
|
Kind: api.ServiceKindConnectProxy,
|
|
ServiceName: api.CompoundServiceName{Name: "test-service"},
|
|
LocalUpstreams: map[api.CompoundServiceName]*extensioncommon.UpstreamData{
|
|
{
|
|
Name: "test-file-server",
|
|
Namespace: acl.NamespaceOrDefault(ns),
|
|
Partition: acl.PartitionOrDefault(ap),
|
|
}: {
|
|
SNI: map[string]struct{}{"test-file-server": {}},
|
|
EnvoyID: "test-file-server",
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func makeTestWasmConfig(enterprise bool) *testWasmConfig {
|
|
cfg := newTestWasmConfig(enterprise)
|
|
cfg.Required = false
|
|
cfg.Protocol = "http"
|
|
cfg.ProxyType = "connect-proxy"
|
|
cfg.ListenerType = "inbound"
|
|
cfg.PluginConfig.Name = "test-plugin-name"
|
|
cfg.PluginConfig.RootID = "test-root-id"
|
|
cfg.PluginConfig.VmConfig.VmID = "test-vm-id"
|
|
cfg.PluginConfig.VmConfig.Runtime = "wasmtime"
|
|
cfg.PluginConfig.VmConfig.Code.Remote.HttpURI.Service.Name = "test-file-server"
|
|
cfg.PluginConfig.VmConfig.Code.Remote.HttpURI.URI = "https://test-file-server/plugin.wasm"
|
|
cfg.PluginConfig.VmConfig.Code.Remote.HttpURI.Timeout = "5s"
|
|
cfg.PluginConfig.VmConfig.Code.Remote.SHA256 = "d05d88b0ce8a8f1d5176481e0af3ae5c65ed82cbfb8c61506c5354b076078545"
|
|
cfg.PluginConfig.VmConfig.Code.Remote.RetryPolicy.RetryBackOff.BaseInterval = "3s"
|
|
cfg.PluginConfig.VmConfig.Code.Remote.RetryPolicy.RetryBackOff.MaxInterval = "15s"
|
|
cfg.PluginConfig.VmConfig.Code.Remote.RetryPolicy.NumRetries = 3
|
|
cfg.PluginConfig.VmConfig.Configuration = "test-vm-configuration"
|
|
cfg.PluginConfig.VmConfig.EnvironmentVariables.HostEnvKeys = []string{"PATH"}
|
|
cfg.PluginConfig.VmConfig.EnvironmentVariables.KeyValues = map[string]string{"TEST_VAR": "TEST_VAL"}
|
|
cfg.PluginConfig.Configuration = "test-plugin-configuration"
|
|
cfg.PluginConfig.CapabilityRestrictionConfiguration.AllowedCapabilities = map[string]any{"proxy_on_vm_start": true}
|
|
return cfg
|
|
}
|
|
|
|
func newTestWasmConfig(enterprise bool) *testWasmConfig {
|
|
cfg := &testWasmConfig{}
|
|
if enterprise {
|
|
cfg.PluginConfig.VmConfig.Code.Remote.HttpURI.Service.Namespace = "ns1"
|
|
cfg.PluginConfig.VmConfig.Code.Remote.HttpURI.Service.Partition = "ap1"
|
|
}
|
|
return cfg
|
|
}
|
|
|
|
func protoToJSON(t *testing.T, pb proto.Message) string {
|
|
t.Helper()
|
|
m := protojson.MarshalOptions{
|
|
Indent: " ",
|
|
}
|
|
gotJSON, err := m.Marshal(pb)
|
|
require.NoError(t, err)
|
|
return string(gotJSON)
|
|
}
|
|
|
|
func setField(m map[string]any, path string, value any) {
|
|
upsertField(m, path, value, 0)
|
|
}
|
|
|
|
func upsertField(m map[string]any, path string, value any, index int) {
|
|
keys := strings.Split(path, ".")
|
|
key := keys[index]
|
|
|
|
if val, ok := m[key]; ok {
|
|
// update the value
|
|
if index == len(keys)-1 {
|
|
m[key] = value
|
|
} else {
|
|
upsertField(val.(map[string]any), path, value, index+1)
|
|
}
|
|
} else {
|
|
// key does not exist so insert it
|
|
if index == len(keys)-1 {
|
|
m[key] = value
|
|
} else {
|
|
newMap := make(map[string]any)
|
|
m[key] = newMap
|
|
upsertField(newMap, path, value, index+1)
|
|
}
|
|
}
|
|
}
|