Add upgrade job for ~ubuntu/.profile

upgrades/dotprofile.go

+// Copyright 2014 Canonical Ltd.
+// Licensed under the AGPLv3, see LICENCE file for details.
+
+package upgrades
+
+import (
+        "fmt"
+
+        "launchpad.net/juju-core/utils/exec"
+)
+
+// As of the middle of the 1.17 cycle, the proxy settings are written out to
+// /home/ubuntu/.juju-proxy both by cloud-init and the machine environ worker.
+// An older version of juju that has been upgraded will get the proxy settings
+// written out to the .juju-proxy file, but the .profile for the ubuntu user
+// wouldn't have been updated to source this file.
+//
+// This upgrade step is to add the line to source the file if it is missing
+// from the file.
+func ensureUbuntuDotProfileSourcesProxyFile(context Context) error {
+        // We look to see if the proxy line is there already as the manual
+        // provider may have had it aleady. The ubuntu user may not exist
+        // (local provider only).
+        command := fmt.Sprintf(""+
+                `([ ! -e %s/.profile ] || grep -q '.juju-proxy' %s/.profile) || `+
+                `printf '\n# Added by juju\n[ -f "$HOME/.juju-proxy" ] && . "$HOME/.juju-proxy"\n' >> %s/.profile`,
+                ubuntuHome, ubuntuHome, ubuntuHome)
+        logger.Tracef("command: %s", command)
+        result, err := exec.RunCommands(exec.RunParams{
+                Commands: command,
+        })
+        if err != nil {
+                return err
+        }
+        logger.Tracef("stdout: %s", result.Stdout)
+        return nil
+}