/
opts.go
180 lines (152 loc) · 6.17 KB
/
opts.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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
// Copyright © 2017 The virtual-kubelet authors
//
// 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 root
import (
"os"
"time"
"github.com/virtual-kubelet/virtual-kubelet/node"
corev1 "k8s.io/api/core/v1"
"k8s.io/utils/pointer"
discoveryv1alpha1 "github.com/liqotech/liqo/apis/discovery/v1alpha1"
"github.com/liqotech/liqo/pkg/consts"
argsutils "github.com/liqotech/liqo/pkg/utils/args"
"github.com/liqotech/liqo/pkg/virtualKubelet/reflection/generic"
)
const (
// CertificateTypeKubelet -> the kubelet certificate is requested to be signed by kubernetes.io/kubelet-serving.
CertificateTypeKubelet = "kubelet"
// CertificateTypeAWS -> the kubelet certificate is requested to be signed by beta.eks.amazonaws.com/app-serving.
CertificateTypeAWS = "aws"
// CertificateTypeSelfSigned -> the kubelet certificate is self signed.
CertificateTypeSelfSigned = "self-signed"
)
// Defaults for root command options.
const (
DefaultNodeName = "virtual-kubelet"
DefaultInformerResyncPeriod = 10 * time.Hour
DefaultListenPort = 10250
DefaultNodePingTimeout = 1 * time.Second
DefaultNodeCheckNetwork = true
)
// DefaultReflectorsWorkers contains the default number of workers for each reflected resource.
var DefaultReflectorsWorkers = map[generic.ResourceReflected]uint{
generic.Pod: 10,
generic.Service: 3,
generic.EndpointSlice: 10,
generic.Ingress: 3,
generic.ConfigMap: 3,
generic.Secret: 3,
generic.ServiceAccount: 3,
generic.PersistentVolumeClaim: 3,
generic.Event: 3,
}
// DefaultReflectorsTypes contains the default type of reflection for each reflected resource.
var DefaultReflectorsTypes = map[generic.ResourceReflected]consts.ReflectionType{
generic.Pod: consts.CustomLiqo,
generic.Service: consts.DenyList,
generic.Ingress: consts.DenyList,
generic.ConfigMap: consts.DenyList,
generic.Secret: consts.DenyList,
generic.ServiceAccount: consts.CustomLiqo,
generic.PersistentVolumeClaim: consts.CustomLiqo,
generic.Event: consts.DenyList,
}
// Opts stores all the options for configuring the root virtual-kubelet command.
// It is used for setting flag values.
type Opts struct {
HomeKubeconfig string
RemoteKubeconfigSecretName string
// Node name to use when creating a node in Kubernetes
NodeName string
// PodName to use when holding the virtual-kubelet lease
PodName string
TenantNamespace string
InformerResyncPeriod time.Duration
HomeCluster discoveryv1alpha1.ClusterIdentity
ForeignCluster discoveryv1alpha1.ClusterIdentity
LiqoIpamServer string
DisableIPReflection bool
// Sets the addresses to listen for requests from the Kubernetes API server
NodeIP string
ListenPort uint16
CertificateType *argsutils.StringEnum
EnableProfiling bool
// Number of workers to use for each refleted resource
ReflectorsWorkers map[string]*uint
// Type of reflection to use for each reflected resource
ReflectorsType map[string]*string
NodeLeaseDuration time.Duration
NodePingInterval time.Duration
NodePingTimeout time.Duration
NodeCheckNetwork bool
NodeExtraAnnotations argsutils.StringMap
NodeExtraLabels argsutils.StringMap
EnableAPIServerSupport bool
EnableStorage bool
VirtualStorageClassName string
RemoteRealStorageClassName string
EnableIngress bool
RemoteRealIngressClassName string
EnableLoadBalancer bool
RemoteRealLoadBalancerClassName string
EnableMetrics bool
MetricsAddress string
HomeAPIServerHost string
HomeAPIServerPort string
CreateNode bool
VirtualKubeletLeaseEnabled bool
VirtualKubeletLeaseLeaseDuration time.Duration
VirtualKubeletLeaseRenewDeadline time.Duration
VirtualKubeletLeaseRetryPeriod time.Duration
}
// NewOpts returns an Opts struct with the default values set.
func NewOpts() *Opts {
return &Opts{
HomeKubeconfig: os.Getenv("KUBECONFIG"),
NodeName: DefaultNodeName,
PodName: os.Getenv("POD_NAME"),
TenantNamespace: corev1.NamespaceDefault,
InformerResyncPeriod: DefaultInformerResyncPeriod,
DisableIPReflection: false,
CertificateType: argsutils.NewEnum([]string{CertificateTypeKubelet, CertificateTypeAWS, CertificateTypeSelfSigned}, CertificateTypeKubelet),
ListenPort: DefaultListenPort,
EnableProfiling: false,
ReflectorsWorkers: initReflectionWorkers(),
ReflectorsType: initReflectionType(),
NodeLeaseDuration: node.DefaultLeaseDuration * time.Second,
NodePingInterval: node.DefaultPingInterval,
NodePingTimeout: DefaultNodePingTimeout,
NodeCheckNetwork: DefaultNodeCheckNetwork,
VirtualKubeletLeaseEnabled: true,
VirtualKubeletLeaseLeaseDuration: 15 * time.Second,
VirtualKubeletLeaseRenewDeadline: 10 * time.Second,
VirtualKubeletLeaseRetryPeriod: 5 * time.Second,
}
}
func initReflectionWorkers() map[string]*uint {
reflectionWorkers := make(map[string]*uint, len(generic.Reflectors))
for i := range generic.Reflectors {
resource := &generic.Reflectors[i]
reflectionWorkers[string(*resource)] = pointer.Uint(DefaultReflectorsWorkers[*resource])
}
return reflectionWorkers
}
func initReflectionType() map[string]*string {
reflectionType := make(map[string]*string, len(generic.ReflectorsCustomizableType))
for i := range generic.ReflectorsCustomizableType {
resource := &generic.ReflectorsCustomizableType[i]
reflectionType[string(*resource)] = pointer.String(string(DefaultReflectorsTypes[*resource]))
}
return reflectionType
}