weichen
45f21e84c7
Add typed jevdecide HTTP client (circuit, metrics) and coordinator DecideAssist wiring behind JEV_DECIDE_MODE (default off). Offline eval and synthetic soak evidence gate realtime/profile before assist rollout.
58 lines
1.0 KiB
Go
58 lines
1.0 KiB
Go
package jevdecide
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import (
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"os"
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"strings"
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"sync"
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)
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var (
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flagsMu sync.RWMutex
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activeMode = defaultMode()
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)
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func defaultMode() Mode {
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return ParseMode(os.Getenv("JEV_DECIDE_MODE"))
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}
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// ParseMode maps env string to Mode; unknown → off (fail-closed).
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func ParseMode(raw string) Mode {
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switch strings.ToLower(strings.TrimSpace(raw)) {
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case "", "off", "0", "false", "no":
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return ModeOff
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case "shadow":
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return ModeShadow
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case "assist":
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return ModeAssist
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default:
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return ModeOff
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}
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}
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// CurrentMode returns the active integration mode.
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func CurrentMode() Mode {
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flagsMu.RLock()
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defer flagsMu.RUnlock()
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return activeMode
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}
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// SetModeForTest overrides mode in tests.
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func SetModeForTest(m Mode) {
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flagsMu.Lock()
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activeMode = m
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flagsMu.Unlock()
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}
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// ResetModeForTest restores mode from the process environment.
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func ResetModeForTest() {
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flagsMu.Lock()
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activeMode = defaultMode()
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flagsMu.Unlock()
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}
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// Enabled reports whether shadow or assist is active.
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func Enabled() bool {
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m := CurrentMode()
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return m == ModeShadow || m == ModeAssist
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}
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