-
Notifications
You must be signed in to change notification settings - Fork 0
/
schedules2slack.go
171 lines (146 loc) · 4.08 KB
/
schedules2slack.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
package main
import (
"crypto/tls"
"encoding/base64"
"encoding/pem"
"flag"
"fmt"
"os"
"os/signal"
"syscall"
"time"
"github.com/robfig/cron/v3"
servicenow "github.com/sapcc/schedules2slack/internal/clients/servicenow"
slackclient "github.com/sapcc/schedules2slack/internal/clients/slack"
config "github.com/sapcc/schedules2slack/internal/config"
jobs "github.com/sapcc/schedules2slack/internal/jobs"
"github.com/sapcc/schedules2slack/internal/metrics"
log "github.com/sirupsen/logrus"
"golang.org/x/crypto/pkcs12"
)
var opts config.Config
func printUsage() {
var CommandLine = flag.NewFlagSet(os.Args[0], flag.ExitOnError)
_, _ = fmt.Fprintf(CommandLine.Output(), "\n\nUsage of %s:\n", os.Args[0])
flag.PrintDefaults()
}
func main() {
go metrics.Run()
flag.StringVar(&opts.ConfigFilePath, "config", "./config.yml", "Config file path including file name.")
flag.BoolVar(&opts.Global.Write, "write", false, "[true|false] write changes? Overrides config setting!")
flag.Parse()
cfg, err := config.NewConfig(opts.ConfigFilePath)
if err != nil {
printUsage()
log.Fatal(err)
}
initLogging(cfg.Global.LogLevel)
convert(&cfg.ServiceNow)
slackClient, err := slackclient.NewClient(&cfg.Slack)
if err != nil {
log.Fatal(err)
}
servicenowClient, err := servicenow.NewClient(&cfg.ServiceNow)
if err != nil {
log.Fatal(err)
}
c := cron.New(cron.WithLocation(time.UTC))
_, err = c.AddFunc("0 * * * *", func() {
if err := slackClient.LoadMasterData(); err != nil {
log.Warnf("loading slack masterdata failed: %s", err.Error())
}
})
if err != nil {
log.Fatalf("adding Slack masterdata loading to cron failed: %s", err.Error())
}
//member sync jobs
for _, s := range cfg.Jobs.ScheduleSyncs {
job, err := jobs.NewScheduleSyncJob(s, !cfg.Global.Write, servicenowClient, slackClient)
if err != nil {
log.Fatalf("creating job to sync '%s' failed: %s", s.SyncObjects.SlackGroupHandle, err.Error())
}
_, err = c.AddFunc(s.CrontabExpressionForRepetition, func() {
err := job.Run()
if err != nil {
log.Warnf("schedule_sync failed: %s", err.Error())
}
if err = jobs.PostInfoMessage(slackClient, job); err != nil {
log.Warnf("posting update to slack failed: %s", err.Error())
}
})
if err != nil {
log.Fatalf("failed to create job: %s", err.Error())
}
}
go c.Start()
defer c.Stop()
time.Sleep(2000)
if cfg.Global.RunAtStart {
for rc, e := range c.Entries() {
if rc == 0 {
continue
}
log.Debugf("job %d: next run %s; valid: %v", e.ID, e.Next, e.Valid())
if e.Valid() {
c.Entry(e.ID).WrappedJob.Run()
}
}
sig := make(chan os.Signal, 1)
signal.Notify(sig, syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM)
s := <-sig
log.Infof("received %v, shutting down", s.String())
} else {
log.Info("cfg.Global.RunAtStart is set to: ", cfg.Global.RunAtStart)
}
}
// initLogging configures the logger
func initLogging(logLevel string) {
log.SetFormatter(&log.JSONFormatter{})
log.SetFormatter(&log.TextFormatter{
DisableColors: false,
FullTimestamp: true,
})
log.SetReportCaller(false)
level, err := log.ParseLevel(logLevel)
if err != nil {
log.Info("parsing log level failed, defaulting to info")
level = log.InfoLevel
}
log.SetLevel(level)
}
func convert(cfg *config.ServiceNowConfig) {
var cert []byte
var err error
if cfg.PfxCertBase64 != "" {
cert, err = base64.StdEncoding.DecodeString(cfg.PfxCertBase64)
if err != nil {
fmt.Println("Cert Error from base64 env string:", err)
return
}
} else {
// read PKCS#12 file
cert, err = os.ReadFile(cfg.PfxCertFile)
if err != nil {
fmt.Println("Cert Error:", err)
return
}
}
certificates, err := pkcs12.ToPEM(cert, cfg.PfxCertPassword)
if err != nil {
log.Fatal(err)
}
var pemData []byte
for _, b := range certificates {
pemData = append(pemData, pem.EncodeToMemory(b)...)
}
// then use PEM data for tls to construct tls certificate:
pemcert, err := tls.X509KeyPair(pemData, pemData)
if err != nil {
panic(err)
}
tlsConfig := &tls.Config{
Certificates: []tls.Certificate{pemcert},
MinVersion: tls.VersionTLS12,
}
cfg.TLSconfig = tlsConfig
}