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c8cd6b4dca
Service entry points currently resolve defaults, files, environment variables, and flags differently, which makes precedence inconsistent and prevents some services from using config files. Introduce one Viper-backed loader and migrate Combined, Management, Relay, Signal, and Proxy while preserving compatibility aliases and Management template expansion.
49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
package cmd
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import (
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"os"
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"path/filepath"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestLoadConfigPrecedence(t *testing.T) {
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path := filepath.Join(t.TempDir(), "relay.yaml")
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require.NoError(t, os.WriteFile(path, []byte(`
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listenAddress: ":8443"
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exposedAddress: "relay.example.com:443"
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authSecret: file-secret
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metricsPort: 9091
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enableSTUN: true
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stunPorts: [3478, 3479]
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`), 0o600))
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t.Setenv("NB_METRICS_PORT", "9191")
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require.NoError(t, rootCmd.ParseFlags(nil))
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listenFlag := rootCmd.Flags().Lookup("listen-address")
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oldListen := listenFlag.Value.String()
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oldChanged := listenFlag.Changed
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t.Cleanup(func() {
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require.NoError(t, listenFlag.Value.Set(oldListen))
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listenFlag.Changed = oldChanged
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})
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require.NoError(t, listenFlag.Value.Set(":7443"))
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listenFlag.Changed = true
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oldConfigPath := configPath
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configPath = path
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t.Cleanup(func() {
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configPath = oldConfigPath
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})
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cfg, err := loadConfig(rootCmd)
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require.NoError(t, err)
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assert.Equal(t, ":7443", cfg.ListenAddress, "Flags should override the configuration file")
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assert.Equal(t, 9191, cfg.MetricsPort, "Environment should override the configuration file")
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assert.Equal(t, "relay.example.com:443", cfg.ExposedAddress, "File values should override defaults")
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assert.True(t, cfg.EnableSTUN, "STUN should be configurable from the file")
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assert.Equal(t, []int{3478, 3479}, cfg.STUNPorts, "STUN ports should load from the file")
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}
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