Use sys.exit(msg) i/o print() and sys.exit() (#15465)

Any non-0 exits should be showing an error message
to stderr instead of to stdout.

contrib/inventory/consul_io.py

@@ -126,6 +126,7 @@ be used to access the machine.
 import os
 import re
 import argparse
+import sys
 from time import time
 import sys
 import ConfigParser
@@ -191,9 +192,8 @@ except ImportError:
 try:
   import consul
 except ImportError as e:
-  print("""failed=True msg='python-consul required for this module. see
-  http://python-consul.readthedocs.org/en/latest/#installation'""")
-  sys.exit(1)
+  sys.exit("""failed=True msg='python-consul required for this module.
+See http://python-consul.readthedocs.org/en/latest/#installation'""")
 
 from six import iteritems
 

contrib/inventory/digital_ocean.py

@@ -147,8 +147,7 @@ except ImportError:
 try:
     from dopy.manager import DoManager
 except ImportError as e:
-    print("failed=True msg='`dopy` library required for this script'")
-    sys.exit(1)
+    sys.exit("failed=True msg='`dopy` library required for this script'")
 
 
 
@@ -178,9 +177,9 @@ class DigitalOceanInventory(object):
 
         # Verify credentials were set
         if not hasattr(self, 'api_token'):
-            print('''Could not find values for DigitalOcean api_token.
+            sys.stderr.write('''Could not find values for DigitalOcean api_token.
 They must be specified via either ini file, command line argument (--api-token),
-or environment variables (DO_API_TOKEN)''')
+or environment variables (DO_API_TOKEN)\n''')
             sys.exit(-1)
 
         # env command, show DigitalOcean credentials
@@ -196,7 +195,7 @@ or environment variables (DO_API_TOKEN)''')
             self.load_from_cache()
             if len(self.data) == 0:
                 if self.args.force_cache:
-                    print('''Cache is empty and --force-cache was specified''')
+                    sys.stderr.write('''Cache is empty and --force-cache was specified\n''')
                     sys.exit(-1)
 
         self.manager = DoManager(None, self.api_token, api_version=2)

contrib/inventory/gce.py

@@ -104,8 +104,7 @@ try:
     from libcloud.compute.providers import get_driver
     _ = Provider.GCE
 except:
-    print("GCE inventory script requires libcloud >= 0.13")
-    sys.exit(1)
+    sys.exit("GCE inventory script requires libcloud >= 0.13")
 
 
 class GceInventory(object):
@@ -205,8 +204,7 @@ class GceInventory(object):
             if not secrets_path.endswith('secrets.py'):
                 err = "Must specify libcloud secrets file as "
                 err += "/absolute/path/to/secrets.py"
-                print(err)
-                sys.exit(1)
+                sys.exit(err)
             sys.path.append(os.path.dirname(secrets_path))
             try:
                 import secrets

contrib/inventory/jail.py

@@ -34,4 +34,4 @@ if len(sys.argv) == 2 and sys.argv[1] == '--list':
 elif len(sys.argv) == 3 and sys.argv[1] == '--host':
     print(json.dumps({'ansible_connection': 'jail'}))
 else:
-    print("Need an argument, either --list or --host <host>")
+    sys.stderr.write("Need an argument, either --list or --host <host>\n")

contrib/inventory/libvirt_lxc.py

@@ -34,4 +34,4 @@ if len(sys.argv) == 2 and sys.argv[1] == '--list':
 elif len(sys.argv) == 3 and sys.argv[1] == '--host':
     print(json.dumps({'ansible_connection': 'libvirt_lxc'}))
 else:
-    print("Need an argument, either --list or --host <host>")
+    sys.stderr.write("Need an argument, either --list or --host <host>\n")

contrib/inventory/linode.py

@@ -185,20 +185,14 @@ class LinodeInventory(object):
             for node in Linode.search(status=Linode.STATUS_RUNNING):
                 self.add_node(node)
         except chube_api.linode_api.ApiError as e:
-            print("Looks like Linode's API is down:")
-            print("")
-            print(e)
-            sys.exit(1)
+            sys.exit("Looks like Linode's API is down:\n %s" % e)
 
     def get_node(self, linode_id):
         """Gets details about a specific node."""
         try:
             return Linode.find(api_id=linode_id)
         except chube_api.linode_api.ApiError as e:
-            print("Looks like Linode's API is down:")
-            print("")
-            print(e)
-            sys.exit(1)
+            sys.exit("Looks like Linode's API is down:\n%" % e)
 
     def populate_datacenter_cache(self):
         """Creates self._datacenter_cache, containing all Datacenters indexed by ID."""

contrib/inventory/nova.py

@@ -226,5 +226,4 @@ elif len(sys.argv) == 3 and (sys.argv[1] == '--host'):
     sys.exit(0)
 
 else:
-    print("usage: --list  ..OR.. --host <hostname>")
-    sys.exit(1)
+    sys.exit("usage: --list  ..OR.. --host <hostname>")

contrib/inventory/openshift.py

@@ -62,8 +62,7 @@ def get_config(env_var, config_var):
     if not result:
         result = get_from_rhc_config(config_var)
     if not result:
-        print("failed=True msg='missing %s'" % env_var)
-        sys.exit(1)
+        sys.exit("failed=True msg='missing %s'" % env_var)
     return result
 
 

contrib/inventory/rax.py

@@ -166,8 +166,7 @@ try:
     import pyrax
     from pyrax.utils import slugify
 except ImportError:
-    print('pyrax is required for this module')
-    sys.exit(1)
+    sys.exit('pyrax is required for this module')
 
 from time import time
 
@@ -402,10 +401,9 @@ def setup():
         if os.path.isfile(default_creds_file):
             creds_file = default_creds_file
         elif not keyring_username:
-            sys.stderr.write('No value in environment variable %s and/or no '
-                             'credentials file at %s\n'
-                             % ('RAX_CREDS_FILE', default_creds_file))
-            sys.exit(1)
+            sys.exit('No value in environment variable %s and/or no '
+                     'credentials file at %s'
+                     % ('RAX_CREDS_FILE', default_creds_file))
 
     identity_type = pyrax.get_setting('identity_type')
     pyrax.set_setting('identity_type', identity_type or 'rackspace')
@@ -418,8 +416,7 @@ def setup():
         else:
             pyrax.set_credential_file(creds_file, region=region)
     except Exception as e:
-        sys.stderr.write("%s: %s\n" % (e, e.message))
-        sys.exit(1)
+        sys.exit("%s: %s" % (e, e.message))
 
     regions = []
     if region:
@@ -433,8 +430,7 @@ def setup():
                 regions = pyrax.regions
                 break
             elif region not in pyrax.regions:
-                sys.stderr.write('Unsupported region %s' % region)
-                sys.exit(1)
+                sys.exit('Unsupported region %s' % region)
             elif region not in regions:
                 regions.append(region)
 

contrib/inventory/zone.py

@@ -40,4 +40,4 @@ if len(sys.argv) == 2 and sys.argv[1] == '--list':
 elif len(sys.argv) == 3 and sys.argv[1] == '--host':
     print(json.dumps({'ansible_connection': 'zone'}))
 else:
-    print("Need an argument, either --list or --host <host>")
+    sys.stderr.write("Need an argument, either --list or --host <host>\n")