add provider/secretmanager (#128)

To load configuration from GCP Secret Manager.

.github/dependabot.yml

@@ -36,6 +36,13 @@ updates:
     schedule:
       interval: daily
 
+  - package-ecosystem: gomod
+    directory: /provider/secretmanager
+    labels:
+      - Skip-Changelog
+    schedule:
+      interval: daily
+
   - package-ecosystem: github-actions
     directory: /
     labels:

.github/workflows/coverage.yml

@@ -11,7 +11,7 @@ jobs:
   coverage:
     strategy:
       matrix:
-        module: [ '', 'provider/file', 'provider/pflag', 'provider/appconfig', 'provider/azappconfig' ]
+        module: [ '', 'provider/file', 'provider/pflag', 'provider/appconfig', 'provider/azappconfig', 'provider/secretmanager' ]
     name: Coverage
     runs-on: ubuntu-latest
     steps:

.github/workflows/lint.yml

@@ -11,7 +11,7 @@ jobs:
   lint:
     strategy:
       matrix:
-        module: [ '', 'provider/file', 'provider/pflag', 'provider/appconfig', 'provider/azappconfig' ]
+        module: [ '', 'provider/file', 'provider/pflag', 'provider/appconfig', 'provider/azappconfig', 'provider/secretmanager' ]
     name: Lint
     runs-on: ubuntu-latest
     steps:

.github/workflows/tag.yml

@@ -11,7 +11,7 @@ jobs:
   tag:
     strategy:
       matrix:
-        module: [ 'provider/file', 'provider/pflag', 'provider/appconfig', 'provider/azappconfig' ]
+        module: [ 'provider/file', 'provider/pflag', 'provider/appconfig', 'provider/azappconfig', 'provider/secretmanager' ]
     name: Submodules
     runs-on: ubuntu-latest
     steps:

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
   test:
     strategy:
       matrix:
-        module: [ '', 'provider/file', 'provider/pflag', 'provider/appconfig', 'provider/azappconfig' ]
+        module: [ '', 'provider/file', 'provider/pflag', 'provider/appconfig', 'provider/azappconfig', 'provider/secretmanager' ]
         go-version: [ 'stable', 'oldstable' ]
     name: Test
     runs-on: ubuntu-latest

CHANGELOG.md

@@ -11,6 +11,7 @@ to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 - Add env.WithNameSplitter/flag.WithNameSplitter/pflag.WithNameSplitter to split the name of the flag/env (#110).
 - Add Azure App Configuration Loader (#121).
+- Add GCP Secret Manager Loader (#128).
 
 ### Changed
 

README.md

@@ -102,6 +102,7 @@ There are providers for the following configuration sources:
 - [`pflag`](provider/pflag) loads configuration from [spf13/pflag](https://github.com/spf13/pflag).
 - [`appconfig`](provider/appconfig) loads configuration from [AWS AppConfig](https://aws.amazon.com/systems-manager/features/appconfig/).
 - [`azappconfig`](provider/azappconfig) loads configuration from [Azure App Configuration](https://azure.microsoft.com/en-us/products/app-configuration).
+- [`secretmanager`](provider/secretmanager) loads configuration from [GCP Secret Manager](https://cloud.google.com/security/products/secret-manager).
 
 ## Custom Configuration Providers
 

provider/secretmanager/go.mod

@@ -0,0 +1,45 @@
+module github.com/nil-go/konf/provider/secretmanager
+
+go 1.21
+
+require (
+	cloud.google.com/go/compute/metadata v0.2.3
+	cloud.google.com/go/secretmanager v1.11.5
+	github.com/stretchr/testify v1.8.4
+	google.golang.org/api v0.165.0
+	google.golang.org/grpc v1.61.1
+)
+
+require (
+	cloud.google.com/go/compute v1.24.0 // indirect
+	cloud.google.com/go/iam v1.1.6 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/felixge/httpsnoop v1.0.4 // indirect
+	github.com/go-logr/logr v1.4.1 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/s2a-go v0.1.7 // indirect
+	github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
+	github.com/googleapis/gax-go/v2 v2.12.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	go.opencensus.io v0.24.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.47.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.47.0 // indirect
+	go.opentelemetry.io/otel v1.23.0 // indirect
+	go.opentelemetry.io/otel/metric v1.23.0 // indirect
+	go.opentelemetry.io/otel/trace v1.23.0 // indirect
+	golang.org/x/crypto v0.19.0 // indirect
+	golang.org/x/net v0.21.0 // indirect
+	golang.org/x/oauth2 v0.17.0 // indirect
+	golang.org/x/sync v0.6.0 // indirect
+	golang.org/x/sys v0.17.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	golang.org/x/time v0.5.0 // indirect
+	google.golang.org/appengine v1.6.8 // indirect
+	google.golang.org/genproto v0.0.0-20240205150955-31a09d347014 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20240205150955-31a09d347014 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240213162025-012b6fc9bca9 // indirect
+	google.golang.org/protobuf v1.32.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)