Ryan Harper has proposed merging ~raharper/cloud-init:feature/bash-completion 
into cloud-init:master.

Commit message:
Implement bash completion script for cloud-init command line
    
In bash shells with bash_completion enabled, now the cloud-init
sub commands and parameters/flags will be shown.


Requested reviews:
  cloud-init commiters (cloud-init-dev)

For more details, see:
https://code.launchpad.net/~raharper/cloud-init/+git/cloud-init/+merge/343122
-- 
Your team cloud-init commiters is requested to review the proposed merge of 
~raharper/cloud-init:feature/bash-completion into cloud-init:master.
diff --git a/bash_completion/cloud-init b/bash_completion/cloud-init
new file mode 100644
index 0000000..ba8db2c
--- /dev/null
+++ b/bash_completion/cloud-init
@@ -0,0 +1,79 @@
+# Copyright (C) 2018 Canonical Ltd.
+#
+# This file is part of cloud-init. See LICENSE file for license information.
+
+# bash completion for cloud-init cli
+_cloudinit_complete()
+{
+
+    local cur_word prev_word
+    cur_word="${COMP_WORDS[COMP_CWORD]}"
+    prev_word="${COMP_WORDS[COMP_CWORD-1]}"
+
+    subcmds="analyze clean collect-logs devel dhclient-hook features init modules single status"
+    case ${COMP_CWORD} in
+        1)
+            COMPREPLY=($(compgen -W "--help $subcmds" -- $cur_word))
+            ;;
+        2)
+            case ${prev_word} in
+                analyze)
+                    COMPREPLY=($(compgen -W "--help blame dump show" -- $cur_word))
+                    ;;
+                clean)
+                    COMPREPLY=($(compgen -W "--help --logs --reboot --seed" -- $cur_word))
+                    ;;
+                collect-logs)
+                    COMPREPLY=($(compgen -W "--help --tarfile --include-userdata" -- $cur_word))
+                    ;;
+                devel)
+                    COMPREPLY=($(compgen -W "--help schema" -- $cur_word))
+                    ;;
+                dhclient-hook)
+                    COMPREPLY=($(compgen -W "--help <net_action> <net_interface>" -- $cur_word))
+                    ;;
+                features)
+                    COMPREPLY=($(compgen -W "--help" -- $cur_word))
+                    ;;
+                init)
+                    COMPREPLY=($(compgen -W "--help --local" -- $cur_word))
+                    ;;
+                modules)
+                    COMPREPLY=($(compgen -W "--help --mode" -- $cur_word))
+                    ;;
+
+                single)
+                    COMPREPLY=($(compgen -W "--help --name --frequency --report <argument>" -- $cur_word))
+                    ;;
+                status)
+                    COMPREPLY=($(compgen -W "--help --long --wait" -- $cur_word))
+                    ;;
+            esac
+            ;;
+        3)
+            case ${prev_word} in
+                blame|dump)
+                    COMPREPLY=($(compgen -W "--help --infile --outfile" -- $cur_word))
+                    ;;
+                --mode)
+                    COMPREPLY=($(compgen -W "--help init config final" -- $cur_word))
+                    ;;
+                --frequency)
+                    COMPREPLY=($(compgen -W "--help instance always once" -- $cur_word))
+                    ;;
+                schema)
+                    COMPREPLY=($(compgen -W "--help --config-file --doc --annotate" -- $cur_word))
+                    ;;
+                show)
+                    COMPREPLY=($(compgen -W "--help --format --infile --outfile" -- $cur_word))
+                    ;;
+            esac
+            ;;
+        *)
+            COMPREPLY=()
+            ;;
+    esac
+}
+complete -F _cloudinit_complete cloud-init
+
+# vi: syntax=bash expandtab
diff --git a/setup.py b/setup.py
index bc3f52a..85b2337 100755
--- a/setup.py
+++ b/setup.py
@@ -228,6 +228,7 @@ if not in_virtualenv():
         INITSYS_ROOTS[k] = "/" + INITSYS_ROOTS[k]
 
 data_files = [
+    (ETC + '/bash_completion.d', ['bash_completion/cloud-init']),
     (ETC + '/cloud', [render_tmpl("config/cloud.cfg.tmpl")]),
     (ETC + '/cloud/cloud.cfg.d', glob('config/cloud.cfg.d/*')),
     (ETC + '/cloud/templates', glob('templates/*')),
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