Add Redis rate limiter

pkg/provider/kubernetes/crd/fixtures/with_auth.yml

@@ -8,6 +8,7 @@ data:
   users: |2
     dGVzdDokYXByMSRINnVza2trVyRJZ1hMUDZld1RyU3VCa1RycUU4d2ovCnRlc3QyOiRhcHIxJGQ5
     aHI5SEJCJDRIeHdnVWlyM0hQNEVzZ2dQL1FObzAK
+
 ---
 apiVersion: v1
 kind: Secret

pkg/provider/kubernetes/crd/fixtures/with_ratelimit.yml

@@ -0,0 +1,82 @@
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: ratelimit
+  namespace: default
+
+spec:
+  rateLimit:
+    period: 1m
+    average: 6
+    burst: 12
+    sourceCriterion:
+      ipStrategy:
+        excludedIPs:
+          - 127.0.0.1/32
+          - 192.168.1.7
+
+    redis:
+      secret: redissecret
+      endpoints:
+        - "127.0.0.1:6379"
+      tls:
+        certSecret: tlssecret
+        caSecret: casecret
+      db: 0
+      poolSize: 42
+      maxActiveConns: 42
+      readTimeout: 42s
+      writeTimeout: 42s
+      dialTimeout: 42s
+
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: redissecret
+  namespace: default
+data:
+  username: dXNlcg== # username: user
+  password: cGFzc3dvcmQ= # password: password
+
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: casecret
+  namespace: default
+
+data:
+  ca: LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0tLS0tCi0tLS0tRU5EIENFUlRJRklDQVRFLS0tLS0=
+
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: tlssecret
+  namespace: default
+
+data:
+  tls.crt: LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0tLS0tCi0tLS0tRU5EIENFUlRJRklDQVRFLS0tLS0=
+  tls.key: LS0tLS1CRUdJTiBQUklWQVRFIEtFWS0tLS0tCi0tLS0tRU5EIFBSSVZBVEUgS0VZLS0tLS0=
+
+---
+apiVersion: traefik.io/v1alpha1
+kind: IngressRoute
+metadata:
+  name: test2.route
+  namespace: default
+
+spec:
+  entryPoints:
+    - web
+
+  routes:
+    - match: Host(`foo.com`) && PathPrefix(`/will-be-limited`)
+      priority: 12
+      kind: Rule
+      services:
+        - name: whoami
+          port: 80
+      middlewares:
+        - name: ratelimit