if use a printf in func init(){}
This may cause the upgrade check to fail！
user will got sanity check failed
eg:
add
func init() {
fmt.Println("hahhahahhahahahaaha")
}
to github.com/jpillora/overseer/example/main.go
bogon:example qiantao$ ./example.sh
BUILT APP (1)
RUNNING APP
hahhahahhahahahaaha
2019/03/22 17:22:13 [overseer master] run
2019/03/22 17:22:13 [overseer master] setupSignalling
2019/03/22 17:22:13 [overseer master] checking for updates...
2019/03/22 17:22:13 [overseer master] no updates
2019/03/22 17:22:13 [overseer master] starting /Users/qiantao/work/GoTestSrc/src/github.com/jpillora/overseer/example/my_app
hahhahahhahahahaaha
2019/03/22 17:22:13 [overseer slave#1] run
2019/03/22 17:22:13 [overseer slave#1] slave wait sp.Config.RestartSignal
2019/03/22 17:22:13 [overseer slave#1] start program
app#1 start
app#1 BuildDate=20190322_172211
app#1 (45fb899a1abd7bd65c698fbcbc6525bade97932f) listening...
app#1 (45fb899a1abd7bd65c698fbcbc6525bade97932f) says hello (d=0)
app#1 work
app#1 (45fb899a1abd7bd65c698fbcbc6525bade97932f) says hello (d=0)
app#1 work
BUILT APP (2)
2019/03/22 17:22:18 [overseer master] streaming update...
2019/03/22 17:22:18 [overseer master] sanity check failed
2019/03/22 17:22:18 [overseer master] checking for updates...
app#1 work
app#1 (45fb899a1abd7bd65c698fbcbc6525bade97932f) says hello (d=0)
2019/03/22 17:22:19 [overseer master] no updates
app#1 (45fb899a1abd7bd65c698fbcbc6525bade97932f) says hello (d=0)
app#1 work
app#1 (45fb899a1abd7bd65c698fbcbc6525bade97932f) says hello (d=5000000000)
BUILT APP (3)
app#1 work
2019/03/22 17:22:23 [overseer master] streaming update...
2019/03/22 17:22:23 [overseer master] sanity check failed
2019/03/22 17:22:23 [overseer master] checking for updates...
2019/03/22 17:22:24 [overseer master] no updates
app#1 (45fb899a1abd7bd65c698fbcbc6525bade97932f) says hello (d=0)
app#1 work
app#1 (45fb899a1abd7bd65c698fbcbc6525bade97932f) says hello (d=0)
app#1 (45fb899a1abd7bd65c698fbcbc6525bade97932f) says hello (d=5000000000)
app#1 (45fb899a1abd7bd65c698fbcbc6525bade97932f) says hello (d=0)
app#1 work
2019/03/22 17:22:27 [overseer master] proxy signal (terminated)
2019/03/22 17:22:27 [overseer master] prog exited with -1
if use a printf in func init(){}
This may cause the upgrade check to fail！
user will got
sanity check failedeg:
add
to
github.com/jpillora/overseer/example/main.go