config/migrate: Automatically configure external P2P addresses

.changelog/5410.bugfix.md

@@ -0,0 +1 @@
+config/migrate: Automatically configure external P2P addresses for validators

go/oasis-node/cmd/config/migrate/migrate.go

@@ -6,6 +6,7 @@ import (
 	"bytes"
 	"fmt"
 	"io"
+	"net/url"
 	"os"
 	"runtime"
 	"strings"
@@ -724,13 +725,41 @@ func doMigrateConfig(cmd *cobra.Command, args []string) {
 
 	// If a node has `consensus.validator` set to true and it does not have any runtimes configured,
 	// the new `mode` should be set to `validator`.
+	var isValidator bool
 	if newValidator, ok := m(newCfg["consensus"])["validator"]; ok {
-		isValidator, _ := newValidator.(bool)
+		isValidator, _ = newValidator.(bool)
 		if _, hasRuntimes := m(newCfg["runtime"])["paths"]; !hasRuntimes && isValidator {
 			nodeMode = "validator"
 			delete(m(newCfg["consensus"]), "validator")
 		}
 	}
+	// If node is a validator, it now requires external P2P addresses to have set.
+	if isValidator {
+		// Set P2P registration addresses based on consensus.external_address.
+		ea := m(newCfg["consensus"])["external_address"]
+		if eaStr, ok := ea.(string); !ok {
+			logger.Warn("consensus.external_address missing, not configuring p2p registration parameters", "address", ea)
+		} else {
+			// Parse host from the external address.
+			url, err := url.Parse(eaStr)
+			if err != nil {
+				logger.Error("failed to parse URI from consensus.external_address", "err", err)
+				os.Exit(1)
+			}
+			// Set P2P port if not set.
+			if _, ok := m(newCfg["p2p"])["port"]; !ok {
+				m(newCfg["p2p"])["port"] = 9200
+			}
+			// Set P2P registration addresses if not set.
+			if _, ok := m(m(newCfg["p2p"])["registration"])["addresses"]; !ok {
+				mkSubMap(m(newCfg["p2p"]), "registration")
+				m(m(newCfg["p2p"])["registration"])["addresses"] = []string{url.Hostname() + ":9200"}
+			}
+		}
+	}
+	if isValidator && (m(newCfg["p2p"])["port"] == nil || m(m(newCfg["p2p"])["registration"])["addresses"] == nil) {
+		logger.Warn("node is a validator but p2p.port or p2p.registration.addresses are not set")
+	}
 
 	// Check for options that are only available on the command-line.
 	if _, ok = oldCfg["debug"]; ok {

go/oasis-node/cmd/config/migrate/migrate_test.go

@@ -67,7 +67,7 @@ genesis:
   file: /storage/node/genesis.json
 
 # Worker configuration.
-worker:  
+worker:
   p2p:
     port: 9002
     peer_outbound_queue_size: 42
@@ -261,6 +261,39 @@ worker:
     entity: /node/entity/entity.json
 `
 
+// Validator node with external address set and no P2P address.
+const testValidatorConfig2Raw = `
+datadir: /node/data
+
+log:
+  level:
+    default: info
+    tendermint: info
+    tendermint/context: error
+  format: JSON
+
+genesis:
+  file: /node/etc/genesis.json
+
+consensus:
+  validator: true
+
+  tendermint:
+    p2p:
+      # List of seed nodes to connect to.
+      # NOTE: You can add additional seed nodes to this list if you want.
+      seed:
+        - "E27F6B7A350B4CC2B48A6CBE94B0A02B0DCB0BF3@35.199.49.168:26656"
+    core:
+      external_address: tcp://4.3.2.1:26656
+
+worker:
+  registration:
+    # In order for the node to register itself, the entity.json of the entity
+    # used to provision the node must be available on the node.
+    entity: /node/entity/entity.json
+`
+
 // Non-validator node from docs test configuration file.
 const testDocsNonValidatorConfigRaw = `
 datadir: /node/data
@@ -612,6 +645,27 @@ func TestConfigMigrationValidator(t *testing.T) {
 	require.Equal(newConfig.Consensus.Validator, false)
 }
 
+func TestConfigMigrationValidator2(t *testing.T) {
+	require := require.New(t)
+	newConfig := prepareTest(require, testValidatorConfig2Raw)
+
+	// Now check if the config struct fields actually match the original state.
+	require.Equal(newConfig.Mode, config.ModeValidator)
+	require.Equal(newConfig.Common.DataDir, "/node/data")
+	require.Equal(newConfig.Common.Log.Format, "JSON")
+	require.Equal(newConfig.Common.Log.Level["default"], "info")
+	require.Equal(newConfig.Common.Log.Level["cometbft"], "info")
+	require.Equal(newConfig.Common.Log.Level["cometbft/context"], "error")
+	require.Equal(newConfig.Genesis.File, "/node/etc/genesis.json")
+	require.Equal(newConfig.P2P.Seeds[0], "H6u9MtuoWRKn5DKSgarj/dzr2Z9BsjuRHgRAoXITOcU=@35.199.49.168:26656")
+	require.Equal(newConfig.P2P.Seeds[1], "H6u9MtuoWRKn5DKSgarj/dzr2Z9BsjuRHgRAoXITOcU=@35.199.49.168:9200")
+	require.Equal(newConfig.Consensus.Validator, false)
+	require.Equal(newConfig.Consensus.ExternalAddress, "tcp://4.3.2.1:26656")
+	require.Equal(newConfig.P2P.Port, uint16(9200))
+	require.Equal(len(newConfig.P2P.Registration.Addresses), 1)
+	require.Equal(newConfig.P2P.Registration.Addresses[0], "4.3.2.1:9200")
+}
+
 func TestConfigMigrationDocsNonValidator(t *testing.T) {
 	require := require.New(t)
 	newConfig := prepareTest(require, testDocsNonValidatorConfigRaw)