config: move Consul getter out of fingerprinter (#18556)

client/config/config_ce.go

@@ -7,6 +7,7 @@ package config
 
 import (
 	"github.com/hashicorp/go-hclog"
+	"github.com/hashicorp/nomad/nomad/structs/config"
 	structsc "github.com/hashicorp/nomad/nomad/structs/config"
 )
 
@@ -23,3 +24,17 @@ func (c *Config) GetVaultConfigs(logger hclog.Logger) map[string]*structsc.Vault
 
 	return map[string]*structsc.VaultConfig{"default": c.VaultConfig}
 }
+
+// GetConsulConfigs returns the set of Consul configurations the fingerprint needs
+// to check. In Nomad CE we only check the default Consul.
+func (c *Config) GetConsulConfigs(logger hclog.Logger) map[string]*structsc.ConsulConfig {
+	if c.ConsulConfig == nil {
+		return nil
+	}
+
+	if len(c.ConsulConfigs) > 1 {
+		logger.Warn("multiple Consul configurations are only supported in Nomad Enterprise")
+	}
+
+	return map[string]*config.ConsulConfig{"default": c.ConsulConfig}
+}

client/fingerprint/consul.go

@@ -58,7 +58,8 @@ func NewConsulFingerprint(logger log.Logger) Fingerprint {
 
 func (f *ConsulFingerprint) Fingerprint(req *FingerprintRequest, resp *FingerprintResponse) error {
 	var mErr *multierror.Error
-	for _, cfg := range f.consulConfigs(req) {
+	consulConfigs := req.Config.GetConsulConfigs(f.logger)
+	for _, cfg := range consulConfigs {
 		err := f.fingerprintImpl(cfg, resp)
 		if err != nil {
 			mErr = multierror.Append(mErr, err)