mirror of https://github.com/docker/compose.git
69 lines
1.8 KiB
Go
69 lines
1.8 KiB
Go
/*
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Copyright 2024 Docker Compose CLI authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package experimental
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import (
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"context"
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"os"
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"strconv"
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"github.com/docker/compose/v2/internal/desktop"
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)
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// envComposeExperimentalGlobal can be set to a falsy value (e.g. 0, false) to
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// globally opt-out of any experimental features in Compose.
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const envComposeExperimentalGlobal = "COMPOSE_EXPERIMENTAL"
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// State of experiments (enabled/disabled) based on environment and local config.
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type State struct {
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// active is false if experiments have been opted-out of globally.
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active bool
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desktopValues desktop.FeatureFlagResponse
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}
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func NewState() *State {
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// experimental features have individual controls, but users can opt out
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// of ALL experiments easily if desired
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experimentsActive := true
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if v := os.Getenv(envComposeExperimentalGlobal); v != "" {
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experimentsActive, _ = strconv.ParseBool(v)
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}
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return &State{
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active: experimentsActive,
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}
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}
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func (s *State) Load(ctx context.Context, client *desktop.Client) error {
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if !s.active {
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// user opted out of experiments globally, no need to load state from
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// Desktop
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return nil
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}
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if client == nil {
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// not running under Docker Desktop
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return nil
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}
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desktopValues, err := client.FeatureFlags(ctx)
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if err != nil {
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return err
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}
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s.desktopValues = desktopValues
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return nil
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}
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