cli: Use admin bind address in self_admin cluster (#10757)

Configure the self_admin cluster to use the admin bind address
provided when starting Envoy.

Fixes #10747
This commit is contained in:
Blake Covarrubias 2021-08-09 17:10:32 -07:00 committed by GitHub
parent 001a108f26
commit 82565fdf55
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3 changed files with 54 additions and 1 deletions

4
.changelog/10757.txt Normal file
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@ -0,0 +1,4 @@
```release-note:bug
cli: Ensure the metrics endpoint is accessible when Envoy is configured to use
a non-default admin bind address.
```

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@ -579,6 +579,7 @@ func (c *BootstrapConfig) generateListenerConfig(args *BootstrapTplArgs, bindAdd
// metrics. This cluster will only be created once since it's only created
// when prometheusBackendPort is set, and prometheusBackendPort is only set
// when calling this function if c.PrometheusBindAddr is set.
clusterAddress := args.AdminBindAddress
clusterPort := args.AdminBindPort
clusterName := selfAdminName
if prometheusBackendPort != "" {
@ -601,7 +602,7 @@ func (c *BootstrapConfig) generateListenerConfig(args *BootstrapTplArgs, bindAdd
"endpoint": {
"address": {
"socket_address": {
"address": "127.0.0.1",
"address": "` + clusterAddress + `",
"port_value": ` + clusterPort + `
}
}

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@ -37,6 +37,32 @@ const (
}
]
}
}`
expectedSelfAdminClusterNonLoopbackIP = `{
"name": "self_admin",
"ignore_health_on_host_removal": false,
"connect_timeout": "5s",
"type": "STATIC",
"http_protocol_options": {},
"loadAssignment": {
"clusterName": "self_admin",
"endpoints": [
{
"lbEndpoints": [
{
"endpoint": {
"address": {
"socket_address": {
"address": "192.0.2.10",
"port_value": 19002
}
}
}
}
]
}
]
}
}`
expectedPrometheusBackendCluster = `{
"name": "prometheus_backend",
@ -649,6 +675,28 @@ func TestBootstrapConfig_ConfigureArgs(t *testing.T) {
},
wantErr: false,
},
{
name: "prometheus-bind-addr-non-loopback-ip",
input: BootstrapConfig{
PrometheusBindAddr: "0.0.0.0:9000",
},
baseArgs: BootstrapTplArgs{
AdminBindAddress: "192.0.2.10",
AdminBindPort: "19002",
PrometheusScrapePath: "/metrics",
},
wantArgs: BootstrapTplArgs{
AdminBindAddress: "192.0.2.10",
AdminBindPort: "19002",
// Should add a static cluster for the self-proxy to admin
StaticClustersJSON: expectedSelfAdminClusterNonLoopbackIP,
// Should add a static http listener too
StaticListenersJSON: expectedPromListener,
StatsConfigJSON: defaultStatsConfigJSON,
PrometheusScrapePath: "/metrics",
},
wantErr: false,
},
{
name: "prometheus-bind-addr-with-overrides",
input: BootstrapConfig{