cmd/jujud: accept CA cert flag

cmd/jujud/main_test.go

 package main
 
 import (
         "flag"
+        "io/ioutil"
         . "launchpad.net/gocheck"
         "launchpad.net/juju-core/testing"
         "os"
         "os/exec"
         "strings"
         stdtesting "testing"
 )
 
+var caCertFile string
+
 func TestPackage(t *stdtesting.T) {
+        // Create a CA certificate available for all tests.
+        f, err := ioutil.TempFile("", "juju-test-cert")
+        if err != nil {
+                panic(err)
+        }
+        _, err = f.WriteString(testing.CACertPEM)
+        if err != nil {
+                panic(err)
+        }
+        f.Close()
+        caCertFile = f.Name()
+        defer os.Remove(caCertFile)
+
         testing.MgoTestPackage(t)
 }
 
 type MainSuite struct{}
 
 var _ = Suite(&MainSuite{})
 
 var flagRunMain = flag.Bool("run-main", false, "Run the application's main function for recursive testing")
 
 // Reentrancy point for testing (something as close as possible to) the jujud
@@ skipping 26 matching lines @@
         msgz := `invalid value "localhost:37017,srv" for flag --state-servers: "srv" is not a valid state server address`
         for _, cmd := range cmds {
                 checkMessage(c, msgf, cmd, "--cheese")
                 checkMessage(c, msgz, cmd, "--state-servers", "localhost:37017,srv")
         }
 
         msga := `unrecognized args: ["toastie"]`
         checkMessage(c, msga,
                 "bootstrap-state",
                 "--state-servers", "st:37017",
+                "--ca-cert-file", caCertFile,
                 "--instance-id", "ii",
                 "--env-config", b64yaml{"blah": "blah"}.encode(),
                 "toastie")
         checkMessage(c, msga, "unit",
                 "--state-servers", "localhost:37017,st:37017",
+                "--ca-cert-file", caCertFile,
                 "--unit-name", "un/0",
                 "toastie")
         checkMessage(c, msga, "machine",
                 "--state-servers", "st:37017",
+                "--ca-cert-file", caCertFile,
                 "--machine-id", "42",
                 "toastie")
 }