Generic container runner, for quick $PWD:/tmp/workdir

Cannot re-use the `--image` flag, due to skybet/cali#55

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.15.0
+
+* Generic container runner, for quick $PWD:/tmp/workdir
+
 ## 0.14.1
 
 * Fix panic when running `lucli terraform` with no args

VERSION

@@ -1 +1 @@
-0.14.1
+0.15.0

cmd/generic.go

@@ -0,0 +1,37 @@
+package cmd
+
+import (
+	log "github.com/Sirupsen/logrus"
+	"github.com/skybet/cali"
+)
+
+func init() {
+
+	command := cli.NewCommand("generic [params]")
+	command.SetShort("Very basic generic Container Runner")
+	command.SetLong(`Runs containers as simply as possible.
+
+This is basically the equivalent of:
+
+docker run --rm -it -w /tmp/workdir -v $PWD:/tmp/workdir <image> "$@"
+
+i.e. not particularly useful for much beyond simply testing an image.
+Many images will require additional docker run parameters (and thus custom commands)
+`)
+
+	// Empty string for now. Image will be set during Init
+	task := command.Task("")
+
+	// Flag to specify which image to use
+	command.Flags().StringP("docker-image", "i", "centos:7", "Image to use")
+	command.Flags().StringP("entrypoint", "e", "sh", "entrypoint to use")
+	command.BindFlags()
+
+	task.SetInitFunc(func(t *cali.Task, args []string) {
+		// Select the image to use
+		image := cli.FlagValues().GetString("docker-image")
+		log.Infof("Using image: %s", image)
+		t.SetImage(image)
+	})
+
+}