Make kvm deploy check that host has virt-install

This allows us to catch a case where virt-install hasn't been installed
on the host we're deploying to much earlier in the deployment process.

Change-Id: I413ad804a7e8bef4fc2d1231411e01d30d0cb9e8

1 files changed, 9 insertions, 0 deletions

diff --git a/kvm.check b/kvm.check
index 83562e44..67cb3d38 100755
--- a/kvm.check
+++ b/kvm.check
@@ -47,6 +47,7 @@ class KvmPlusSshCheckExtension(morphlib.writeexts.WriteExtension):
         self.check_no_existing_libvirt_vm(ssh_host, vm_name)
         self.check_extra_disks_exist(ssh_host, self.parse_attach_disks())
         self.check_virtual_networks_are_started(ssh_host)
+        self.check_host_has_virtinstall(ssh_host)
 
     def check_and_parse_location(self, location):
         '''Check and parse the location argument to get relevant data.'''
@@ -156,5 +157,13 @@ class KvmPlusSshCheckExtension(morphlib.writeexts.WriteExtension):
         for network in networks:
             check_virtual_network_is_started(network)
 
+    def check_host_has_virtinstall(self, ssh_host):
+        try:
+            cliapp.ssh_runcmd(ssh_host, ['which', 'virt-install'])
+        except cliapp.AppException:
+            raise cliapp.AppException(
+                'virt-install does not seem to be installed on host %s'
+                % ssh_host)
+
 
 KvmPlusSshCheckExtension().run()