├── .gitignore
├── LICENSE
├── README.md
├── bin
    └── build
├── crane.yml
├── go-cron.go
└── test
    └── run


/.gitignore:
--------------------------------------------------------------------------------
 1 | # Compiled Object files, Static and Dynamic libs (Shared Objects)
 2 | *.o
 3 | *.a
 4 | *.so
 5 | 
 6 | # Folders
 7 | _obj
 8 | _test
 9 | 
10 | # Architecture specific extensions/prefixes
11 | *.[568vq]
12 | [568vq].out
13 | 
14 | *.cgo1.go
15 | *.cgo2.c
16 | _cgo_defun.c
17 | _cgo_gotypes.go
18 | _cgo_export.*
19 | 
20 | _testmain.go
21 | 
22 | *.exe
23 | *.test
24 | 
25 | dist


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | The MIT License (MIT)
 2 | 
 3 | Copyright (c) 2014 Michał Rączka
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | go-cron
2 | =========
3 | 
4 | Simple golang wrapper over `github.com/robfig/cron` and `os/exec` as a cron replacement
5 | 
6 | ## usage
7 | 
8 | `go-cron "* * * * * *" /bin/bash -c "echo 1"`
9 | 


--------------------------------------------------------------------------------
/bin/build:
--------------------------------------------------------------------------------
 1 | #!/bin/bash
 2 | 
 3 | 
 4 | go get
 5 | 
 6 | rm -rf dist
 7 | mkdir -p dist
 8 | 
 9 | cd ./dist
10 | 
11 | go build -o go-cron ../go-cron.go
12 | 
13 | tar -cf go-cron.tar.gz go-cron
14 | 


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/crane.yml:
--------------------------------------------------------------------------------
 1 | containers:
 2 |     go-cron:
 3 |         image: michaloo/golangdev
 4 |         run:
 5 |             volume:
 6 |                 - ".:/go-cron"
 7 |             interactive: true
 8 |             tty: true
 9 |             workdir: "/go-cron"
10 |             entrypoint: /bin/bash
11 |             cmd:
12 |                 - -c
13 |                 - "bash"
14 |             rm: true
15 | 


--------------------------------------------------------------------------------
/go-cron.go:
--------------------------------------------------------------------------------
 1 | package main
 2 | import "os"
 3 | import "os/exec"
 4 | import "strings"
 5 | import "sync"
 6 | import "os/signal"
 7 | import "syscall"
 8 | import "github.com/robfig/cron"
 9 | 
10 | func execute(command string, args []string)() {
11 | 
12 |     println("executing:", command, strings.Join(args, " "))
13 | 
14 |     cmd := exec.Command(command, args...)
15 | 
16 |     cmd.Stdout = os.Stdout
17 |     cmd.Stderr = os.Stderr
18 | 
19 |     cmd.Run()
20 | 
21 |     cmd.Wait()
22 | }
23 | 
24 | func create() (cr *cron.Cron, wgr *sync.WaitGroup) {
25 |     var schedule string = os.Args[1]
26 |     var command string = os.Args[2]
27 |     var args []string = os.Args[3:len(os.Args)]
28 | 
29 |     wg := &sync.WaitGroup{}
30 | 
31 |     c := cron.New()
32 |     println("new cron:", schedule)
33 | 
34 |     c.AddFunc(schedule, func() {
35 |         wg.Add(1)
36 |         execute(command, args)
37 |         wg.Done()
38 |     })
39 | 
40 |     return c, wg
41 | }
42 | 
43 | func start(c *cron.Cron, wg *sync.WaitGroup) {
44 |     c.Start()
45 | }
46 | 
47 | func stop(c *cron.Cron, wg *sync.WaitGroup) {
48 |     println("Stopping")
49 |     c.Stop()
50 |     println("Waiting")
51 |     wg.Wait()
52 |     println("Exiting")
53 |     os.Exit(0)
54 | }
55 | 
56 | func main() {
57 | 
58 |     c, wg := create()
59 | 
60 |     go start(c, wg)
61 | 
62 |     ch := make(chan os.Signal, 1)
63 |     signal.Notify(ch, syscall.SIGINT, syscall.SIGTERM)
64 |     println(<-ch)
65 | 
66 |     stop(c, wg)
67 | }
68 | 
69 | 
70 | 


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/test/run:
--------------------------------------------------------------------------------
1 | #!/bin/bash
2 | 
3 | go run ./go-cron.go "* * * * * *" /bin/bash -c "echo 1;"
4 | 


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