forked from projectcalico/felix
-
Notifications
You must be signed in to change notification settings - Fork 0
/
scale.go
89 lines (78 loc) · 2.18 KB
/
scale.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
// Copyright (c) 2017 Tigera, Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"fmt"
"math/rand"
"strconv"
. "github.com/onsi/gomega"
"k8s.io/client-go/kubernetes"
)
// This file is a Go translation of scale.py.
func getMac() string {
// Gets a random mac address.
return fmt.Sprintf(
"%02x:%02x:%02x:%02x:%02x:%02x",
rand.Intn(256),
rand.Intn(256),
rand.Intn(256),
rand.Intn(256),
rand.Intn(256),
rand.Intn(256),
)
}
func addEndpoints(
clientset *kubernetes.Clientset,
nsPrefix string,
d deployment,
numEndpoints int,
) {
//last_time = time.Now()
for i := 0; i < numEndpoints; i++ {
endpoint_id := fmt.Sprintf("endpoint_%d", i+1)
ip := fmt.Sprintf("%d.%d.%d.%d",
[]int{10, 52, 1}[rand.Intn(3)],
i/65536,
(i/256)%256,
i%256,
)
nsName := fmt.Sprintf("%s-%03d", nsPrefix, i%1000)
createPod(clientset, d, nsName, podSpec{
mac: getMac(),
ipv4Addr: ip,
ipv6Addr: fmt.Sprintf("dead:beef::%x/128", i%65536),
name: fmt.Sprintf("%6.6d", i),
labels: map[string]string{
"foo": "bar",
"alpha": []string{"a", "b", "c", "d", "e", "f", "g", "h"}[rand.Intn(8)],
"id": endpoint_id,
"mod1000": strconv.Itoa(i % 1000),
"mod100": strconv.Itoa(i % 100),
"mod10": strconv.Itoa(i % 10),
},
})
}
Eventually(getNumEndpointsDefault(-1), "30s", "1s").Should(
BeNumerically("==", numEndpoints),
"Addition of pods wasn't reflected in Felix metrics",
)
return
}
func addNamespaces(clientset *kubernetes.Clientset, nsPrefix string) {
for ii := 0; ii < 1000; ii++ {
nsName := fmt.Sprintf("%s-%03d", nsPrefix, ii%1000)
createNamespace(clientset, nsName, nil)
}
return
}