/
main.go
155 lines (130 loc) · 3.31 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
package main
import (
"context"
"flag"
"fmt"
"os"
"golang.org/x/crypto/ssh"
"k8s.io/klog/v2"
"source.monogon.dev/cloud/bmaas/bmdb"
"source.monogon.dev/cloud/bmaas/bmdb/webug"
"source.monogon.dev/cloud/equinix/wrapngo"
"source.monogon.dev/cloud/lib/component"
"source.monogon.dev/cloud/shepherd/manager"
ssh2 "source.monogon.dev/go/net/ssh"
clicontext "source.monogon.dev/metropolis/cli/pkg/context"
)
type Config struct {
Component component.ComponentConfig
BMDB bmdb.BMDB
WebugConfig webug.Config
SSHKey manager.SSHKey
InitializerConfig manager.InitializerConfig
ProvisionerConfig manager.ProvisionerConfig
RecovererConfig manager.RecovererConfig
API wrapngo.Opts
Provider providerConfig
UpdaterConfig UpdaterConfig
}
// TODO(q3k): factor this out to BMDB library?
func runtimeInfo() string {
hostname, _ := os.Hostname()
if hostname == "" {
hostname = "UNKNOWN"
}
return fmt.Sprintf("host %s", hostname)
}
func (c *Config) RegisterFlags() {
c.Component.RegisterFlags("shepherd")
c.BMDB.ComponentName = "shepherd-equinix"
c.BMDB.RuntimeInfo = runtimeInfo()
c.BMDB.Database.RegisterFlags("bmdb")
c.WebugConfig.RegisterFlags()
c.SSHKey.RegisterFlags()
c.InitializerConfig.RegisterFlags()
c.ProvisionerConfig.RegisterFlags()
c.RecovererConfig.RegisterFlags()
c.API.RegisterFlags()
c.Provider.RegisterFlags()
c.UpdaterConfig.RegisterFlags()
}
func main() {
var c Config
c.RegisterFlags()
flag.Parse()
if flag.NArg() > 0 {
klog.Exitf("unexpected positional arguments: %v", flag.Args())
}
registry := c.Component.PrometheusRegistry()
c.BMDB.EnableMetrics(registry)
ctx := clicontext.WithInterrupt(context.Background())
c.Component.StartPrometheus(ctx)
if c.API.APIKey == "" || c.API.User == "" {
klog.Exitf("-equinix_api_username and -equinix_api_key must be set")
}
c.API.MetricsRegistry = registry
api := wrapngo.New(&c.API)
provider, err := c.Provider.New(&c.SSHKey, api)
if err != nil {
klog.Exitf("%v", err)
}
sshSigner, err := c.SSHKey.Signer()
if err != nil {
klog.Exitf("%v", err)
}
sshClient := &ssh2.DirectClient{
AuthMethod: ssh.PublicKeys(sshSigner),
// Equinix OS installations always use root.
Username: "root",
}
provisioner, err := manager.NewProvisioner(provider, c.ProvisionerConfig)
if err != nil {
klog.Exitf("%v", err)
}
initializer, err := manager.NewInitializer(provider, sshClient, c.InitializerConfig)
if err != nil {
klog.Exitf("%v", err)
}
recoverer, err := manager.NewRecoverer(provider, c.RecovererConfig)
if err != nil {
klog.Exitf("%v", err)
}
updater, err := c.UpdaterConfig.New(api)
if err != nil {
klog.Exitf("%v", err)
}
conn, err := c.BMDB.Open(true)
if err != nil {
klog.Exitf("Failed to open BMDB connection: %v", err)
}
go func() {
err = provisioner.Run(ctx, conn)
if err != nil {
klog.Exit(err)
}
}()
go func() {
err = manager.RunControlLoop(ctx, conn, initializer)
if err != nil {
klog.Exit(err)
}
}()
go func() {
err = manager.RunControlLoop(ctx, conn, recoverer)
if err != nil {
klog.Exit(err)
}
}()
go func() {
err = updater.Run(ctx, conn)
if err != nil {
klog.Exit(err)
}
}()
go func() {
if err := c.WebugConfig.Start(ctx, conn); err != nil && err != ctx.Err() {
klog.Exitf("Failed to start webug: %v", err)
}
}()
<-ctx.Done()
}