mirror of https://github.com/hak5/overseer.git
update docs, update silly bootstrap program
Jaime Pillora
parent
2e4decb22e
commit
7516f44481
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LICENSE
2
LICENSE
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@ -1,6 +1,6 @@
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The MIT License (MIT)
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Copyright (c) 2016 Jaime Pillora
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Copyright (c) 2017 Jaime Pillora
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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45
README.md
45
README.md
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@ -11,7 +11,7 @@ Commonly, graceful restarts are performed by the active process (*dark blue*) cl
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### Features
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* Simple
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* Works with process managers
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* Works with process managers (systemd, upstart, supervisor, etc)
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* Graceful, zero-down time restarts
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* Easy self-upgrading binaries
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@ -77,35 +77,34 @@ See [Config](https://godoc.org/github.com/jpillora/overseer#Config)uration optio
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### More examples
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* See the [example/](example/) directory and run `example.sh`, you should see the following output:
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See the [example/](example/) directory and run `example.sh`, you should see the following output:
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```sh
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$ cd example/
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$ sh example.sh
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serving . on port 5002
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BUILT APP (1)
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RUNNING APP
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app#1 (1cd8b9928d44b0a6e89df40574b8b6d20a417679) listening...
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app#1 (1cd8b9928d44b0a6e89df40574b8b6d20a417679) says hello
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app#1 (1cd8b9928d44b0a6e89df40574b8b6d20a417679) says hello
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app#1 (031c802ee74f00b2a5c52f2fe647523973c09441) listening...
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app#1 (031c802ee74f00b2a5c52f2fe647523973c09441) says hello
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app#1 (031c802ee74f00b2a5c52f2fe647523973c09441) says hello
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BUILT APP (2)
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app#2 (b9b251f1be6d0cc423ef921f107cb4fc52f760b3) listening...
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app#2 (b9b251f1be6d0cc423ef921f107cb4fc52f760b3) says hello
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app#2 (b9b251f1be6d0cc423ef921f107cb4fc52f760b3) says hello
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app#1 (1cd8b9928d44b0a6e89df40574b8b6d20a417679) says hello
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app#1 (1cd8b9928d44b0a6e89df40574b8b6d20a417679) exiting...
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app#2 (25d19f139f50f39fadbd066b438ebdc28d818eb1) listening...
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app#2 (25d19f139f50f39fadbd066b438ebdc28d818eb1) says hello
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app#2 (25d19f139f50f39fadbd066b438ebdc28d818eb1) says hello
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app#1 (031c802ee74f00b2a5c52f2fe647523973c09441) says hello
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app#1 (031c802ee74f00b2a5c52f2fe647523973c09441) exiting...
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BUILT APP (3)
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app#3 (248f80ea049c835e7e3714b7169c539d3a4d6131) listening...
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app#3 (248f80ea049c835e7e3714b7169c539d3a4d6131) says hello
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app#3 (248f80ea049c835e7e3714b7169c539d3a4d6131) says hello
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app#2 (b9b251f1be6d0cc423ef921f107cb4fc52f760b3) says hello
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app#2 (b9b251f1be6d0cc423ef921f107cb4fc52f760b3) exiting...
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app#3 (248f80ea049c835e7e3714b7169c539d3a4d6131) says hello
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app#3 (5ed8170e5bbd6947cc514c87ac29e7acfba5cffc) listening...
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app#3 (5ed8170e5bbd6947cc514c87ac29e7acfba5cffc) says hello
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app#3 (5ed8170e5bbd6947cc514c87ac29e7acfba5cffc) says hello
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app#2 (25d19f139f50f39fadbd066b438ebdc28d818eb1) says hello
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app#2 (25d19f139f50f39fadbd066b438ebdc28d818eb1) exiting...
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app#3 (5ed8170e5bbd6947cc514c87ac29e7acfba5cffc) says hello
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```
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**Note:** `app#1` stays running until the last request is closed.
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* Only use graceful restarts:
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#### Only use graceful restarts
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```go
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func main() {
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@ -118,7 +117,7 @@ See [Config](https://godoc.org/github.com/jpillora/overseer#Config)uration optio
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Send `main` a `SIGUSR2` (`Config.RestartSignal`) to manually trigger a restart
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* Only use auto-upgrades, no restarts
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#### Only use auto-upgrades, no restarts
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```go
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func main() {
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@ -135,7 +134,7 @@ See [Config](https://godoc.org/github.com/jpillora/overseer#Config)uration optio
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Your binary will be upgraded though it will require manual restart from the user, suitable for creating self-upgrading command-line applications.
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* Multi-platform binaries using a dynamic fetch `URL`
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#### Multi-platform binaries using a dynamic fetch `URL`
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```go
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func main() {
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@ -161,8 +160,10 @@ See [Config](https://godoc.org/github.com/jpillora/overseer#Config)uration optio
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* [Core `overseer` package](https://godoc.org/github.com/jpillora/overseer)
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* [Common `fetcher.Interface`](https://godoc.org/github.com/jpillora/overseer/fetcher#Interface)
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* [HTTP fetcher type](https://godoc.org/github.com/jpillora/overseer/fetcher#HTTP)
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* [S3 fetcher type](https://godoc.org/github.com/jpillora/overseer/fetcher#S3)
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* [File fetcher](https://godoc.org/github.com/jpillora/overseer/fetcher#File)
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* [HTTP fetcher](https://godoc.org/github.com/jpillora/overseer/fetcher#HTTP)
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* [S3 fetcher](https://godoc.org/github.com/jpillora/overseer/fetcher#S3)
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* [Github fetcher](https://godoc.org/github.com/jpillora/overseer/fetcher#Github)
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### Third-party Fetchers
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@ -4,25 +4,23 @@ import (
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"strconv"
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"time"
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"github.com/jpillora/opts"
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"github.com/jpillora/overseer"
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"github.com/jpillora/overseer/fetcher"
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"github.com/jpillora/opts"
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)
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func main() {
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c := struct {
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URL string `type:"arg" help:"<url> of where to GET the binary"`
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Port int `help:"listening port"`
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Log bool `help:"enable logging"`
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NoDebug bool `help:"disable debug mode"`
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}{
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Port: 3000,
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Log: true,
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}
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opts.Parse(&c)
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overseer.Run(overseer.Config{
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Log: c.Log,
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Program: func(state overseer.State) {
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//noop
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//block forever
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select {}
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},
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Address: ":" + strconv.Itoa(c.Port),
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@ -30,5 +28,6 @@ func main() {
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URL: c.URL,
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Interval: 1 * time.Second,
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},
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Debug: !c.NoDebug,
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})
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}
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