-
Notifications
You must be signed in to change notification settings - Fork 9
/
main.go
206 lines (171 loc) · 6.13 KB
/
main.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
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
/*
Copyright 2018 The Kubernetes 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 main
import (
"flag"
"fmt"
"log"
"os"
"time"
"github.com/openshift/machine-api-provider-openstack/pkg/machine"
"github.com/openshift/machine-api-provider-openstack/pkg/machineset"
"github.com/openshift/machine-api-provider-openstack/version"
configv1 "github.com/openshift/api/config/v1"
machinev1alpha1 "github.com/openshift/api/machine/v1alpha1"
machinev1beta1 "github.com/openshift/api/machine/v1beta1"
configclient "github.com/openshift/client-go/config/clientset/versioned/typed/config/v1"
maoMachine "github.com/openshift/machine-api-operator/pkg/controller/machine"
"github.com/openshift/machine-api-operator/pkg/metrics"
"k8s.io/client-go/kubernetes"
"k8s.io/klog/v2"
"k8s.io/klog/v2/klogr"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client/config"
rTcontroller "sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/healthz"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/manager/signals"
)
// The default durations for the leader election operations.
var (
leaseDuration = 120 * time.Second
renewDeadline = 110 * time.Second
retryPeriod = 20 * time.Second
)
func main() {
flag.Set("logtostderr", "true")
watchNamespace := flag.String(
"namespace",
"",
"Namespace that the controller watches to reconcile machine-api objects. If unspecified, the controller watches for machine-api objects across all namespaces.",
)
healthAddr := flag.String(
"health-addr",
":9440",
"The address for health checking.",
)
leaderElectResourceNamespace := flag.String(
"leader-elect-resource-namespace",
"",
"The namespace of resource object that is used for locking during leader election. If unspecified and running in cluster, defaults to the service account namespace for the controller. Required for leader-election outside of a cluster.",
)
leaderElect := flag.Bool(
"leader-elect",
false,
"Start a leader election client and gain leadership before executing the main loop. Enable this when running replicated components for high availability.",
)
leaderElectLeaseDuration := flag.Duration(
"leader-elect-lease-duration",
leaseDuration,
"The duration that non-leader candidates will wait after observing a leadership renewal until attempting to acquire leadership of a led but unrenewed leader slot. This is effectively the maximum duration that a leader can be stopped before it is replaced by another candidate. This is only applicable if leader election is enabled.",
)
metricsAddress := flag.String(
"metrics-bind-address",
metrics.DefaultMachineMetricsAddress,
"Address for hosting metrics",
)
showVersion := flag.Bool(
"version",
false,
"Show current version",
)
klog.InitFlags(nil)
flag.Parse()
if *showVersion {
fmt.Println(version.Get())
fmt.Println(version.Get().GitCommit)
os.Exit(0)
}
// Get a config to talk to the apiserver
cfg, err := config.GetConfig()
if err != nil {
klog.Fatal(err)
}
// Setup a Manager
opts := manager.Options{
HealthProbeBindAddress: *healthAddr,
LeaderElection: *leaderElect,
LeaderElectionNamespace: *leaderElectResourceNamespace,
LeaderElectionID: "cluster-api-provider-openstack-leader",
LeaseDuration: leaderElectLeaseDuration,
MetricsBindAddress: *metricsAddress,
// Slow the default retry and renew election rate to reduce etcd writes at idle: BZ 1858400
RetryPeriod: &retryPeriod,
RenewDeadline: &renewDeadline,
}
if *watchNamespace != "" {
opts.Namespace = *watchNamespace
klog.Infof("Watching machine-api objects only in namespace %q for reconciliation.", opts.Namespace)
}
mgr, err := manager.New(cfg, opts)
if err != nil {
klog.Fatal(err)
}
klog.Infof("Initializing Dependencies.")
// Setup Scheme for all resources
if err := machinev1alpha1.Install(mgr.GetScheme()); err != nil {
klog.Fatal(err)
}
if err := configv1.AddToScheme(mgr.GetScheme()); err != nil {
klog.Fatal(err)
}
if err := machinev1beta1.AddToScheme(mgr.GetScheme()); err != nil {
klog.Fatal(err)
}
params := getActuatorParams(mgr)
machineActuator, err := machine.NewActuator(params)
if err != nil {
klog.Fatal(err)
}
// Setup OpenStack Machine controller
if err := maoMachine.AddWithActuator(mgr, machineActuator); err != nil {
klog.Fatal(err)
}
// Setup OpenStack MachineSet controller
ctrl.SetLogger(klogr.New())
setupLog := ctrl.Log.WithName("setup")
if err = (&machineset.Reconciler{
Client: mgr.GetClient(),
Log: ctrl.Log.WithName("controllers").WithName("MachineSet"),
}).SetupWithManager(mgr, rTcontroller.Options{}); err != nil {
setupLog.Error(err, "unable to create controller", "controller", "MachineSet")
os.Exit(1)
}
if err := mgr.AddReadyzCheck("ping", healthz.Ping); err != nil {
klog.Fatal(err)
}
if err := mgr.AddHealthzCheck("ping", healthz.Ping); err != nil {
klog.Fatal(err)
}
log.Printf("Starting the Cmd.")
// Start the Cmd
log.Fatal(mgr.Start(signals.SetupSignalHandler()))
}
func getActuatorParams(mgr manager.Manager) machine.ActuatorParams {
config := mgr.GetConfig()
kubeClient, err := kubernetes.NewForConfig(config)
if err != nil {
klog.Fatalf("Could not create kubernetes client to talk to the apiserver: %v", err)
}
configClient, err := configclient.NewForConfig(config)
if err != nil {
klog.Fatalf("Failed to create a config client to talk to the apiserver: %v", err)
}
return machine.ActuatorParams{
Client: mgr.GetClient(),
KubeClient: kubeClient,
ConfigClient: configClient,
Scheme: mgr.GetScheme(),
EventRecorder: mgr.GetEventRecorderFor("openstack_controller"),
}
}