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renaming master/slave to parent/child #54
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glaslos
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,21 +1,10 @@ | ||
github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d h1:G0m3OIz70MZUWq3EgK3CesDbo8upS2Vm9/P3FtgI+Jk= | ||
github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg= | ||
github.com/aws/aws-sdk-go v1.29.34 h1:yrzwfDaZFe9oT4AmQeNNunSQA7c0m2chz0B43+bJ1ok= | ||
github.com/aws/aws-sdk-go v1.29.34/go.mod h1:1KvfttTE3SPKMpo8g2c6jL3ZKfXtFvKscTgahTma5Xg= | ||
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | ||
github.com/go-ole/go-ole v1.2.4 h1:nNBDSCOigTSiarFpYE9J/KtEA1IOW4CNeqT9TQDqCxI= | ||
github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM= | ||
github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg= | ||
github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af h1:pmfjZENx5imkbgOkpRUYLnmbU7UEFbjtDA2hxJ1ichM= | ||
github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k= | ||
github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0 h1:iQTw/8FWTuc7uiaSepXwyf3o52HaUYcV+Tu66S3F5GA= | ||
github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0/go.mod h1:1NbS8ALrpOvjt0rHPNLyCIeMtbizbir8U//inJ+zuB8= | ||
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= | ||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= | ||
github.com/shirou/gopsutil v2.20.2+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA= | ||
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= | ||
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= | ||
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= | ||
golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= | ||
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= | ||
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= | ||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= | ||
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= | ||
github.com/jpillora/s3 v1.1.4 h1:YCCKDWzb/Ye9EBNd83ATRF/8wPEy0xd43Rezb6u6fzc= | ||
github.com/jpillora/s3 v1.1.4/go.mod h1:yedE603V+crlFi1Kl/5vZJaBu9pUzE9wvKegU/lF2zs= | ||
github.com/smartystreets/assertions v1.0.1 h1:voD4ITNjPL5jjBfgR/r8fPIIBrliWrWHeiJApdr3r4w= | ||
github.com/smartystreets/assertions v1.0.1/go.mod h1:kHHU4qYBaI3q23Pp3VPrmWhuIUrLW/7eUrw0BU5VaoM= | ||
github.com/smartystreets/gunit v1.1.3 h1:32x+htJCu3aMswhPw3teoJ+PnWPONqdNgaGs6Qt8ZaU= | ||
github.com/smartystreets/gunit v1.1.3/go.mod h1:EH5qMBab2UclzXUcpR8b93eHsIlp9u+pDQIRp5DZNzQ= |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,30 @@ | ||
// +build !windows | ||
|
||
package overseer | ||
|
||
import ( | ||
"fmt" | ||
"os" | ||
"syscall" | ||
"time" | ||
) | ||
|
||
func (sp *child) watchParent() error { | ||
sp.parentPid = os.Getppid() | ||
proc, err := os.FindProcess(sp.parentPid) | ||
if err != nil { | ||
return fmt.Errorf("parent process: %s", err) | ||
} | ||
sp.parentProc = proc | ||
go func() { | ||
//send signal 0 to parent process forever | ||
for { | ||
//should not error as long as the process is alive | ||
if err := sp.parentProc.Signal(syscall.Signal(0)); err != nil { | ||
os.Exit(1) | ||
} | ||
time.Sleep(2 * time.Second) | ||
} | ||
}() | ||
return nil | ||
} |
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i think this change is the only one that will cause issues - this variable is used between both processes, so if a user updates their app with the latest overseer, the newly created child process will have the old variables set (by the old parent process), breaking the app
i think the least risky thing to do is just keep these 2 strings... the alternative is to come up with a transition version, which supports both old/new variable names
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Makes sense... But if you make that argument you could never change it as there could always be someone with an old version.
I assume you don't want to do a v2 release just for this?
I'd change it with a transition approach if you decide that to be the right way.