Denis VodopianovandDave Henderson
ce9ab6a89a
* initial commit * add support of integerts * finialise the static provider * minor refactoring * the rest * revert: the rest * add new thiongs * more tests added * add ff parsing tests to check if types are handled correctly * update tests according to recent changes * address golint issues * Update pkg/setting/setting_feature_toggles.go Co-authored-by: Dave Henderson <dave.henderson@grafana.com> * fix rebase issues * addressing review comments * add test cases for enterprise * handle enterprise cases * minor refactoring to make api a bit easier to debug * make test names a bit more precise * fix linter * add openfeature sdk to goleak ignore in testutil * Remove only boolean check in ff gen tests * add non-boolean types top the doc in default.ini and doc string in FeatureFlag type * apply remarks, add docs to sample.ini * reflect changes in feature flags in the public grafana configuration doc * fix doc formatting * apply suggestions to the doc file --------- Co-authored-by: Dave Henderson <dave.henderson@grafana.com>
76 lines
1.9 KiB
Go
76 lines
1.9 KiB
Go
package featuremgmt
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import (
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"sort"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promauto"
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"golang.org/x/exp/maps"
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"github.com/grafana/grafana/pkg/infra/log"
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"github.com/grafana/grafana/pkg/setting"
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)
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var (
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// The values are updated each time
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featureToggleInfo = promauto.NewGaugeVec(prometheus.GaugeOpts{
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Name: "feature_toggles_info",
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Help: "info metric that exposes what feature toggles are enabled or not",
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Namespace: "grafana",
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}, []string{"name"})
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)
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func ProvideManagerService(cfg *setting.Cfg) (*FeatureManager, error) {
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mgmt := &FeatureManager{
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isDevMod: cfg.Env != setting.Prod,
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flags: make(map[string]*FeatureFlag, 30),
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enabled: make(map[string]bool),
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startup: make(map[string]bool),
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warnings: make(map[string]string),
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log: log.New("featuremgmt"),
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}
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// Register the standard flags
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mgmt.registerFlags(standardFeatureFlags...)
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// Load the flags from `custom.ini` files
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flags, err := setting.ReadFeatureTogglesFromInitFile(cfg.Raw.Section("feature_toggles"))
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if err != nil {
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return mgmt, err
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}
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for key, val := range flags {
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_, ok := mgmt.flags[key]
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if !ok {
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mgmt.flags[key] = &FeatureFlag{
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Name: key,
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Stage: FeatureStageUnknown,
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}
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mgmt.warnings[key] = "unknown flag in config"
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}
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mgmt.startup[key] = val.Variants[val.DefaultVariant] == true
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}
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// update the values
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mgmt.update()
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// Log the enabled feature toggles at startup
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enabled := sort.StringSlice(maps.Keys(mgmt.enabled))
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logctx := make([]any, len(enabled)*2)
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for i, k := range enabled {
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logctx[(i * 2)] = k
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logctx[(i*2)+1] = true
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}
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mgmt.log.Info("FeatureToggles", logctx...)
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// Minimum approach to avoid circular dependency
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// nolint:staticcheck
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cfg.IsFeatureToggleEnabled = mgmt.IsEnabledGlobally
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return mgmt, nil
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}
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// ProvideToggles allows read-only access to the feature state
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func ProvideToggles(mgmt *FeatureManager) FeatureToggles {
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return mgmt
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}
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