Merge ~ckonstanski/cloud-init:issue-1727121 into cloud-init:master

[Carlos Konstanski]

Gentoo: Use 'rc-service' rather than 'service'.

The 'service' command will be disappearing soon from Gentoo's openrc package. The 'rc-service' command is preferred.

LP: #1727121

[Scott Moser (smoser)]

review: Approve

diff --git a/cloudinit/distros/gentoo.py b/cloudinit/distros/gentoo.py
index 0ad2f03..dc57717 100644
--- a/cloudinit/distros/gentoo.py
+++ b/cloudinit/distros/gentoo.py
@@ -24,7 +24,7 @@ class Distro(distros.Distro):
     network_conf_fn = '/etc/conf.d/net'
     resolve_conf_fn = '/etc/resolv.conf'
     hostname_conf_fn = '/etc/conf.d/hostname'
-    init_cmd = ['service']  # init scripts
+    init_cmd = ['rc-service']  # init scripts
 
     def __init__(self, name, cfg, paths):
         distros.Distro.__init__(self, name, cfg, paths)