ansible: Change all our group names from foo-bar to foo_bar or foo-bar-baz to foo_bar_baz

In ansible 2.8 the - character isn't supposed to be valid in group names.
While we could override this, might has well just bite the bullet and change it.
So, just switch all group names to use _ instead of -

Signed-off-by: Kevin Fenzi <kevin@scrye.com>

filter_plugins/fedmsg.py

@@ -11,7 +11,7 @@ def invert_fedmsg_policy(groups, vars, env):
     if env == 'staging':
         hosts = groups['all'] + groups['staging'] + groups['fedmsg-qa-network-stg'] + groups['openshift-pseudohosts-stg']
     else:
-        hosts = [h for h in groups['all'] if h not in groups['staging'] + groups['openshift-pseudohosts-stg']]
+        hosts = [h for h in groups['all'] if h not in groups['staging'] + groups['openshift_pseudohosts_stg']]
 
     inverted = {}
     for host in hosts:

inventory/builders

@@ -32,29 +32,29 @@ buildvm-30.phx2.fedoraproject.org
 buildvm-31.phx2.fedoraproject.org
 buildvm-32.phx2.fedoraproject.org
 
-[buildvm-stg]
+[buildvm_stg]
 buildvm-01.stg.phx2.fedoraproject.org
 buildvm-02.stg.phx2.fedoraproject.org
 buildvm-03.stg.phx2.fedoraproject.org
 buildvm-04.stg.phx2.fedoraproject.org
 buildvm-05.stg.phx2.fedoraproject.org
 
-[buildvm-ppc64-stg]
+[buildvm_ppc64_stg]
 buildvm-ppc64-01.stg.ppc.fedoraproject.org
 
-[buildvm-ppc64le-stg]
+[buildvm_ppc64le_stg]
 buildvm-ppc64le-01.stg.ppc.fedoraproject.org
 
-[buildvm-aarch64-stg]
+[buildvm_aarch64_stg]
 buildvm-aarch64-01.stg.arm.fedoraproject.org
 
-[buildvm-armv7-stg]
+[buildvm_armv7_stg]
 buildvm-armv7-01.stg.arm.fedoraproject.org
 
-[buildvm-s390x-stg]
+[buildvm_s390x_stg]
 buildvm-s390x-01.stg.s390.fedoraproject.org
 
-[buildvm-aarch64]
+[buildvm_aarch64]
 buildvm-aarch64-01.arm.fedoraproject.org
 buildvm-aarch64-02.arm.fedoraproject.org
 buildvm-aarch64-03.arm.fedoraproject.org
@@ -81,7 +81,7 @@ buildvm-aarch64-21.arm.fedoraproject.org
 #buildvm-aarch64-23.arm.fedoraproject.org
 #buildvm-aarch64-24.arm.fedoraproject.org
 
-[buildvm-armv7]
+[buildvm_armv7]
 buildvm-armv7-01.arm.fedoraproject.org
 buildvm-armv7-02.arm.fedoraproject.org
 buildvm-armv7-03.arm.fedoraproject.org
@@ -107,7 +107,7 @@ buildvm-armv7-22.arm.fedoraproject.org
 buildvm-armv7-23.arm.fedoraproject.org
 buildvm-armv7-24.arm.fedoraproject.org
 
-[buildvm-s390x]
+[buildvm_s390x]
 buildvm-s390x-01.s390.fedoraproject.org
 buildvm-s390x-02.s390.fedoraproject.org
 buildvm-s390x-03.s390.fedoraproject.org
@@ -190,7 +190,7 @@ buildhw-aarch64-08.arm.fedoraproject.org
 #
 # These are primary koji builders. 
 #
-[buildvm-ppc64]
+[buildvm_ppc64]
 buildvm-ppc64-01.ppc.fedoraproject.org
 buildvm-ppc64-02.ppc.fedoraproject.org
 buildvm-ppc64-03.ppc.fedoraproject.org
@@ -204,7 +204,7 @@ buildvm-ppc64-09.ppc.fedoraproject.org
 #
 # These are primary koji builders. 
 #
-[buildvm-ppc64le]
+[buildvm_ppc64le]
 buildvm-ppc64le-01.ppc.fedoraproject.org
 buildvm-ppc64le-02.ppc.fedoraproject.org
 buildvm-ppc64le-03.ppc.fedoraproject.org
@@ -305,7 +305,7 @@ buildvm-ppc64le
 buildvm-s390x
 bkernel
 
-[builders-stg:children]
+[builders_stg:children]
 buildvm-stg
 buildvm-ppc64-stg
 buildvm-ppc64le-stg