[spp] [PATCH 5/7] cli: fix terminated if spp_primary is not running

[Yasufumi Ogawa <yasufum.o@gmail.com>]

If there is no spp_primary is running, SPP CLI is terminated when it
requests something to spp-ctl. This update is to fix the issue.

Signed-off-by: Yasufumi Ogawa <yasufum.o@gmail.com>
---
 src/cli/commands/pri.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/cli/commands/pri.py b/src/cli/commands/pri.py
index f7d86bb..b39f911 100644
--- a/src/cli/commands/pri.py
+++ b/src/cli/commands/pri.py
@@ -77,7 +77,17 @@ class SppPrimary(object):
         # Get status here for inspecting if forwarder exists. Do not run
         # command such as `add` or `del` if forwarder does not exist.
         res = self.spp_ctl_cli.get('primary/status')
-        status = res.json()
+
+        # Check if spp_primary is running.
+        error_codes = self.spp_ctl_cli.rest_common_error_codes
+        if res.status_code in error_codes:
+            if res.status_code == 404:
+                print('No spp_primary is running.')
+            else:
+                print('Error: spp_primary is not running normaly.')
+            return None
+        else:
+            status = res.json()
 
         if subcmd == 'status':
             if res is not None:
-- 
2.17.1