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pkg/settings/cresettings: env var for scoped settings #1623

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Merged
merged 1 commit into from
Oct 17, 2025
+16 −1
Merged

pkg/settings/cresettings: env var for scoped settings #1623

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2 changes: 2 additions & 0 deletions pkg/loop/server.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ import (
"github.com/smartcontractkit/chainlink-common/pkg/services"
"github.com/smartcontractkit/chainlink-common/pkg/services/otelhealth"
"github.com/smartcontractkit/chainlink-common/pkg/services/promhealth"
"github.com/smartcontractkit/chainlink-common/pkg/settings/cresettings"
"github.com/smartcontractkit/chainlink-common/pkg/settings/limits"
"github.com/smartcontractkit/chainlink-common/pkg/sqlutil"
"github.com/smartcontractkit/chainlink-common/pkg/sqlutil/pg"
Expand Down Expand Up @@ -223,6 +224,7 @@ func (s *Server) start() error {
s.LimitsFactory.Logger = s.Logger.Named("LimitsFactory")
if bc := beholder.GetClient(); bc != nil {
s.LimitsFactory.Meter = bc.Meter
s.LimitsFactory.Settings = cresettings.DefaultGetter
}

return nil
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15 changes: 14 additions & 1 deletion pkg/settings/cresettings/settings.go
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Original file line number Diff line number Diff line change
@@ -1,4 +1,7 @@
// Package cresettings contains configurable settings definitions for nodes in the CRE.
// Environment Variables:
// - CL_CRE_SETTINGS_DEFAULT: defaults like in ./defaults.json - initializes Default
// - CL_CRE_SETTINGS: scoped settings like in ../settings/testdata/config.json - initializes DefaultGetter
package cresettings

import (
Expand All @@ -14,7 +17,7 @@ import (
)

func init() {
if v, ok := os.LookupEnv("CL_CRE_SETTINGS"); ok {
if v, ok := os.LookupEnv("CL_CRE_SETTINGS_DEFAULT"); ok {
err := json.Unmarshal([]byte(v), &Default)
if err != nil {
log.Fatalf("failed to initialize defaults: %v", err)
Expand All @@ -25,8 +28,18 @@ func init() {
log.Fatalf("failed to initialize keys: %v", err)
}
Config = Default

if v, ok := os.LookupEnv("CL_CRE_SETTINGS"); ok {
DefaultGetter, err = NewJSONGetter([]byte(v))
if err != nil {
log.Fatalf("failed to initialize settings: %v", err)
}
}
}

// DefaultGetter is a default settings getter populated from the env var CL_CRE_SETTINGS if set, otherwise it is nil.
var DefaultGetter Getter

// Deprecated: use Default
var Config Schema

Expand Down
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