1 files changed, 0 insertions, 76 deletions
diff --git a/plugin/pkg/policy/policy.go b/plugin/pkg/policy/policy.go
deleted file mode 100644
index c5e9de6f4..000000000
--- a/plugin/pkg/policy/policy.go
+++ /dev/null
@@ -1,76 +0,0 @@
-package policy
-
-import (
-	"math/rand"
-	"sync/atomic"
-)
-
-// Policy defines a policy we use for selecting upstreams.
-type Policy interface {
-	List(policy ...interface{}) []interface{}
-	String() string
-}
-
-// Random is a policy that implements random upstream selection.
-type Random struct{}
-
-var _ Policy = &Random{}
-
-// String returns the name of policy Random
-func (r *Random) String() string { return "random" }
-
-// List returns a set of proxies to be used for this client depending on Random policy.
-func (r *Random) List(p ...interface{}) []interface{} {
-	switch len(p) {
-	case 1:
-		return p
-	case 2:
-		if rand.Int()%2 == 0 {
-			return []interface{}{p[1], p[0]} // swap
-		}
-		return p
-	}
-
-	perms := rand.Perm(len(p))
-	rnd := make([]interface{}, len(p))
-
-	for i, p1 := range perms {
-		rnd[i] = p[p1]
-	}
-	return rnd
-}
-
-// RoundRobin is a policy that selects hosts based on round robin ordering.
-type RoundRobin struct {
-	robin uint32
-}
-
-var _ Policy = &RoundRobin{}
-
-// String returns the name of policy RoundRobin
-func (r *RoundRobin) String() string { return "round_robin" }
-
-// List returns a set of proxies to be used for this client depending on RoundRobin policy.
-func (r *RoundRobin) List(p ...interface{}) []interface{} {
-	poolLen := uint32(len(p))
-	i := atomic.AddUint32(&r.robin, 1) % poolLen
-
-	robin := []interface{}{p[i]}
-	robin = append(robin, p[:i]...)
-	robin = append(robin, p[i+1:]...)
-
-	return robin
-}
-
-// Sequential is a policy that selects hosts based on sequential ordering.
-type Sequential struct{}
-
-var _ Policy = &Sequential{}
-
-// String returns the name of policy Sequential
-func (r *Sequential) String() string { return "sequential" }
-
-// List returns a set of proxies without filter.
-func (r *Sequential) List(p ...interface{}) []interface{} {
-	return p
-}