feat: add force-unlock feature flag

The Terraform HTTP backend client does not send a lock ID on force-unlock. This feature flag lets the backend unlock the state even if the lock ID is missing in the request.

README.md

@@ -39,18 +39,19 @@ docker-compose up -d
 
 The following table describes the default configuration, although the backend server will run with these values, it's not scalable and therefore only for testing purposes. 
 
-| Environment Variable | Type   | Default    | Description                                                                                       |
-|----------------------|--------|------------|---------------------------------------------------------------------------------------------------|
-| LOG_LEVEL            | string | `info`     | Log level (options are: `fatal`, `info`, `warning`, `debug`, `trace`)                             |
-| LISTEN_ADDR          | string | `:8080`    | Address the HTTP server listens on                                                                |
-| TLS_KEY              | string | --         | Path to TLS key file for listening with TLS (fallback to HTTP if not specified)                   |
-| TLS_CERT             | string | --         | Path to TLS certificate file for listening with TLS (fallback to HTTP if not specified)           |
-| STORAGE_BACKEND      | string | `fs`       | Module for state file storage (checkout [docs/storage.md](./docs/storage.md) for other options)   |
-| STORAGE_FS_DIR       | string | `./states` | File system directory for `fs` storage module to store state files                                |
-| KMS_BACKEND          | string | `local`    | Module used for encryption (checkout [docs/kms.md](./docs/kms.md) for other options)              |
-| KMS_KEY              | string | --         | Key for `local` KMS module, if not defined, the server will generate a new one and exit           |
-| LOCK_BACKEND         | string | `local`    | Module used for locking the state (checkout [docs/lock.md](./docs/lock.md) for other options)     |
-| AUTH_BASIC_ENABLED   | bool   | `true`     | HTTP basic auth is enabled by default (checkout [docs/auth.md](./docs/auth.md) for other options) |
+| Environment Variable   | Type   | Default    | Description                                                                                                    |
+|------------------------|--------|------------|----------------------------------------------------------------------------------------------------------------|
+| LOG_LEVEL              | string | `info`     | Log level (options are: `fatal`, `info`, `warning`, `debug`, `trace`)                                          |
+| LISTEN_ADDR            | string | `:8080`    | Address the HTTP server listens on                                                                             |
+| TLS_KEY                | string | --         | Path to TLS key file for listening with TLS (fallback to HTTP if not specified)                                |
+| TLS_CERT               | string | --         | Path to TLS certificate file for listening with TLS (fallback to HTTP if not specified)                        |
+| STORAGE_BACKEND        | string | `fs`       | Module for state file storage (checkout [docs/storage.md](./docs/storage.md) for other options)                |
+| STORAGE_FS_DIR         | string | `./states` | File system directory for `fs` storage module to store state files                                             |
+| KMS_BACKEND            | string | `local`    | Module used for encryption (checkout [docs/kms.md](./docs/kms.md) for other options)                           |
+| KMS_KEY                | string | --         | Key for `local` KMS module, if not defined, the server will generate a new one and exit                        |
+| LOCK_BACKEND           | string | `local`    | Module used for locking the state (checkout [docs/lock.md](./docs/lock.md) for other options)                  |
+| AUTH_BASIC_ENABLED     | bool   | `true`     | HTTP basic auth is enabled by default (checkout [docs/auth.md](./docs/auth.md) for other options)              |
+| FORCE_UNLOCK_ENABLED   | bool   | `true`     | Force-unlock feature enables the native Terraform behavior which unlocks the state even if no lock id was sent |
 
 ## Usage
 

go.mod

@@ -40,13 +40,12 @@ require (
 	github.com/go-test/deep v1.1.0 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/go-cmp v0.6.0 // 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/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/go-getter v1.7.1 // indirect
-	github.com/hashicorp/go-hclog v1.5.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/hashicorp/go-retryablehttp v0.7.5 // indirect
 	github.com/hashicorp/go-rootcerts v1.0.2 // indirect
@@ -64,10 +63,8 @@ require (
 	github.com/klauspost/compress v1.17.5 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.6 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.18 // indirect
 	github.com/mattn/go-zglob v0.0.4 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/minio/md5-simd v1.1.2 // indirect
 	github.com/minio/sha256-simd v1.0.1 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
@@ -81,15 +78,13 @@ require (
 	github.com/prometheus/client_model v0.5.0 // indirect
 	github.com/prometheus/common v0.46.0 // indirect
 	github.com/prometheus/procfs v0.12.0 // indirect
-	github.com/rogpeppe/go-internal v1.10.0 // indirect
 	github.com/rs/xid v1.5.0 // indirect
 	github.com/ryanuber/go-glob v1.0.0 // indirect
 	github.com/sagikazarmark/locafero v0.4.0 // indirect
 	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
 	github.com/sourcegraph/conc v0.3.0 // indirect
 	github.com/spf13/afero v1.11.0 // indirect
 	github.com/spf13/cast v1.6.0 // indirect
-	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/stretchr/testify v1.8.4 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
@@ -101,16 +96,18 @@ require (
 	golang.org/x/exp v0.0.0-20240119083558-1b970713d09a // indirect
 	golang.org/x/net v0.20.0 // indirect
 	golang.org/x/oauth2 v0.16.0 // indirect
+	golang.org/x/sync v0.5.0 // indirect
 	golang.org/x/sys v0.16.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	golang.org/x/time v0.5.0 // indirect
 	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
 	google.golang.org/api v0.153.0 // indirect
 	google.golang.org/appengine v1.6.8 // indirect
 	google.golang.org/genproto v0.0.0-20231106174013-bbf56f31fb17 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20231106174013-bbf56f31fb17 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20231120223509-83a465c0220f // indirect
 	google.golang.org/grpc v1.59.0 // indirect
 	google.golang.org/protobuf v1.32.0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
-	gopkg.in/square/go-jose.v2 v2.6.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )