Repository: ansible/ansible

Issue:
IOS_STATIC_ROUTE: admin_distance overwrites existing configuration when not provided in the task
<!---
Verify first that your issue/request is not already reported on GitHub.
Also test if the latest release, and master branch are affected too.
-->

##### ISSUE TYPE
<!--- Pick one below and delete the rest: -->
 - Bug Report

##### COMPONENT NAME
<!--- Name of the module/plugin/task/feature -->
ios_static_route
##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes below -->
```
2.4.1
```

##### CONFIGURATION
<!---
If using Ansible 2.4 or above, paste the results of "ansible-config dump --only-changed"

Otherwise, mention any settings you have changed/added/removed in ansible.cfg
(or using the ANSIBLE_* environment variables).

DEFAULT_CALLBACK_WHITELIST(/etc/ansible/ansible.cfg) = ['ntc_json']
DEFAULT_MODULE_PATH(/etc/ansible/ansible.cfg) = [u'/etc/ntc/ansible-modules']
HOST_KEY_CHECKING(/etc/ansible/ansible.cfg) = False
PARAMIKO_RECORD_HOST_KEYS(/etc/ansible/ansible.cfg) = False
RETRY_FILES_ENABLED(/etc/ansible/ansible.cfg) = False

-->

##### OS / ENVIRONMENT
<!---
Mention the OS you are running Ansible from, and the OS you are
managing, or say "N/A" for anything that is not platform-specific.
Also mention the specific version of what you are trying to control,
e.g. if this is a network bug the version of firmware on the network device.
-->

Ubuntu 16.04
##### SUMMARY
<!--- Explain the problem briefly -->
Module overwrites existing configuration for `admin_distance` when parameter is not provided in the task.
##### STEPS TO REPRODUCE
<!---
For bugs, show exactly how to reproduce the problem, using a minimal test-case.
For new features, show how the feature would be used.
-->

<!--- Paste example playbooks or commands between quotes below -->
```yaml
---
- name: DEMONSTRATE USING OMIT FILTER
  hosts: ios
  connection: local
  gather_facts: no
  tasks:
    - name: ENSURE VLAN EXISTS
      ios_static_route:
        state: "present"
        prefix: "{{ item.prefix }}"
        mask: "{{ item.mask }}"
        next_hop: "{{ item.next_hop }}"
        admin_distance: "{{ item.admin_distance | default(omit) }}"
      with_items:
        - {"prefix": "192.168.10.0", "mask": "255.255.255.0", "next_hop": "192.168.1.1", "admin_distance": 5}
        - {"prefix": "192.168.10.0", "mask": "255.255.255.0", "next_hop": "192.168.1.1"}
```

<!--- You can also paste gist.github.com links for larger files -->

##### EXPECTED RESULTS
<!--- What did you expect to happen when running the steps above? -->
I expected the route on the end device to have `ip route 192.168.10.0 255.255.255.0 192.168.1.1 5`
##### ACTUAL RESULTS
<!--- What actually happened? If possible run with extra verbosity (-vvvv) -->
end device has `ip route 192.168.10.0 255.255.255.0 192.168.1.1`
<!--- Paste verbatim command output between quotes below -->

The reason this is happening is because the `admin_distance` parameter has a default of `1` in the module. Defaulting configuration parameters in modules is dangerous as the end users expect only arguments passed to the module are in consideration for changes (a very reasonable assumption).

I suspect this was done in order to handle idempotency (which ironically doesn't work for my test machine since the default of `1` is omitted). A better approach would be to parse existing routes and only validate the parameters that are passed in the task match an existing route (not spread across multiple routes). This approach would account for discrepancy across OS versions, since some versions include the default admin_distance of `1` in the configuration, and some do not. This approach would also account for idempotency when additional parameters such as vrf, interface, comment, tag, track, etc. are added.

IOS_STATIC_ROUTE: module is not idempotent
<!---
Verify first that your issue/request is not already reported on GitHub.
Also test if the latest release, and master branch are affected too.
-->

##### ISSUE TYPE
<!--- Pick one below and delete the rest: -->
 - Bug Report

##### COMPONENT NAME
<!--- Name of the module/plugin/task/feature -->
ios_static_route
##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes below -->
```
2.4.1
```

##### CONFIGURATION
<!---
If using Ansible 2.4 or above, paste the results of "ansible-config dump --only-changed"

Otherwise, mention any settings you have changed/added/removed in ansible.cfg
(or using the ANSIBLE_* environment variables).

DEFAULT_CALLBACK_WHITELIST(/etc/ansible/ansible.cfg) = ['ntc_json']
DEFAULT_MODULE_PATH(/etc/ansible/ansible.cfg) = [u'/etc/ntc/ansible-modules']
HOST_KEY_CHECKING(/etc/ansible/ansible.cfg) = False
PARAMIKO_RECORD_HOST_KEYS(/etc/ansible/ansible.cfg) = False
RETRY_FILES_ENABLED(/etc/ansible/ansible.cfg) = False

-->

##### OS / ENVIRONMENT
<!---
Mention the OS you are running Ansible from, and the OS you are
managing, or say "N/A" for anything that is not platform-specific.
Also mention the specific version of what you are trying to control,
e.g. if this is a network bug the version of firmware on the network device.
-->

Ubuntu 16.04
IOS Version 12.2(44)SE2
##### SUMMARY
<!--- Explain the problem briefly -->
module is not idempotent
##### STEPS TO REPRODUCE
<!---
For bugs, show exactly how to reproduce the problem, using a minimal test-case.
For new features, show how the feature would be used.
-->

<!--- Paste example playbooks or commands between quotes below -->
```yaml
---
- name: DEMONSTRATE USING OMIT FILTER
  hosts: ios
  connection: local
  gather_facts: no
  tasks:
    - name: ENSURE VLAN EXISTS
      ios_static_route:
        state: "present"
        prefix: "{{ item.prefix }}"
        mask: "{{ item.mask }}"
        next_hop: "{{ item.next_hop }}"
        admin_distance: "{{ item.admin_distance | default(omit) }}"
      with_items:
        - {"prefix": "192.168.10.0", "mask": "255.255.255.0", "next_hop": "192.168.1.1"}
        - {"prefix": "192.168.10.0", "mask": "255.255.255.0", "next_hop": "192.168.1.1"}
```

<!--- You can also paste gist.github.com links for larger files -->

##### EXPECTED RESULTS
<!--- What did you expect to happen when running the steps above? -->
I expected the second iteration to have `changed: false`
##### ACTUAL RESULTS
<!--- What actually happened? If possible run with extra verbosity (-vvvv) -->
Configuration was resent to the device.
<!--- Paste verbatim command output between quotes below -->

My test machine does not include the `admin_distance` in the configuration when it is the defaultof `1`. The module is defaulting `admin_distance` to `1`, which turns my request into `ip route 192.168.10.0 255.255.255.0 192.168.1.1 1` but my device only shows `ip route 192.168.10.0 255.255.255.0 192.168.1.1`. 

I suggest parsing routing configurations and only validating parameters that are passed to the task against the routes and not comparing CLI config lines. Comparing configuration lines will only work for matching exact configuration sequences, which has 2 problems:

1. Discrepancies across end device versions is difficult to support
2. Unable to validate a subset of a line's configuration is present (how would adding support for vrf, tag, comments work in this model?)

#33290  



Discussion:
Files identified in the description:
* [lib/ansible/modules/network/ios/ios_static_route.py](https://github.com/ansible/ansible/blob/devel/lib/ansible/modules/network/ios/ios_static_route.py)

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cc @kedarX @privateip @rcarrillocruz
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ios vms we have in lab has admin_distance default to 1. The problem with OS version can be resolved when cliconf is implemented https://github.com/ansible/ansible/issues/31277 @rcarrillocruz 
I found another issue when I finally got to look at the code late last night. I see the data is being pulled from line 133: `    rc, out, err = exec_command(module, 'show ip static route')` which I assume was meant to be `show ip route static`, but which still fails idempotency when the next-hop is not reachable. The module can add the same route as many times as it wants, but until the next-hop is reachable, it will not be programmed into FIB.

I would suggest checking either `show run | i ip route` or `show run | i ip route prefix mask` per aggregate or for prefix and mask, in params (these two params are required by the end device).
There is a difference between the Ansible module providing a default configuration and the end device providing a default configuration. If I have 192.168.10.0 255.255.255.0 192.168.1.1 5 configured on the device, and I send only prefix, mask, and next_hop params, I expect Ansible to not make any changes since what I supplied in the task does exist on the device.

What is the reason the module is setting a default for admin_distance? It looks like the issue is because you are blindly taking in the configuration params, converting them to a string, and sending them to the device; which will be rejected if it is `None`.

This is gathered from:

1. All of `map_params_to_obj`, but specifically in relation to admin_distance, line 178
2. Lines 124-125 in `map_obj_to_commands`

I check the config arguments and filter out all omitted arguments like this:
```
want = dict(prefix=module.params['prefix'], mask=module.params['mask'], next_hop=module.params['next_hop'], admin_distance=module.params['admin_distance'])
proposed = dict((k, str(v)) for k, v in want.items() if v is not None)
```
This leaves only the arguments in consideration for task execution.
Files identified in the description:
* [lib/ansible/modules/network/ios/ios_static_route.py](https://github.com/ansible/ansible/blob/devel/lib/ansible/modules/network/ios/ios_static_route.py)

If these files are inaccurate, please update the `component name` section of the description or use the `!component` bot command.

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cc @kedarX @privateip @rcarrillocruz
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@Qalthos FYI
I mentioned on the other issue, but should add that here actually.

The validation is being done from `show ip static route`, which I think is meant to be `show ip route static`; however that still will not work for idempotency, as configured static routes will not show up in FIB if the next-hop is not reachable. Continuing to add the configuration line will not make the next-hop reachable, so intent should not come into play.

Resolving patch:
diff --git a/lib/ansible/module_utils/network/ios/ios.py b/lib/ansible/module_utils/network/ios/ios.py
--- a/lib/ansible/module_utils/network/ios/ios.py
+++ b/lib/ansible/module_utils/network/ios/ios.py
@@ -108,15 +108,15 @@ def get_defaults_flag(module):
 
 
 def get_config(module, flags=None):
-    global _DEVICE_CONFIGS
+    flag_str = ' '.join(to_list(flags))
 
-    if _DEVICE_CONFIGS != {}:
-        return _DEVICE_CONFIGS
-    else:
+    try:
+        return _DEVICE_CONFIGS[flag_str]
+    except KeyError:
         connection = get_connection(module)
-        out = connection.get_config()
+        out = connection.get_config(flags=flags)
         cfg = to_text(out, errors='surrogate_then_replace').strip()
-        _DEVICE_CONFIGS = cfg
+        _DEVICE_CONFIGS[flag_str] = cfg
         return cfg
 
 
diff --git a/lib/ansible/modules/network/ios/ios_static_route.py b/lib/ansible/modules/network/ios/ios_static_route.py
--- a/lib/ansible/modules/network/ios/ios_static_route.py
+++ b/lib/ansible/modules/network/ios/ios_static_route.py
@@ -50,7 +50,6 @@
   admin_distance:
     description:
       - Admin distance of the static route.
-    default: 1
   aggregate:
     description: List of static route definitions.
   state:
@@ -98,14 +97,14 @@
     - ip route 192.168.2.0 255.255.255.0 10.0.0.1
 """
 from copy import deepcopy
+import re
 
 from ansible.module_utils._text import to_text
 from ansible.module_utils.basic import AnsibleModule
-from ansible.module_utils.connection import exec_command
+from ansible.module_utils.connection import ConnectionError
 from ansible.module_utils.network.common.utils import remove_default_spec
-from ansible.module_utils.network.ios.ios import load_config, run_commands
+from ansible.module_utils.network.ios.ios import get_config, load_config, run_commands
 from ansible.module_utils.network.ios.ios import ios_argument_spec, check_args
-import re
 
 try:
     from ipaddress import ip_network
@@ -114,23 +113,39 @@
     HAS_IPADDRESS = False
 
 
-def map_obj_to_commands(updates, module):
+def map_obj_to_commands(want, have, module):
     commands = list()
-    want, have = updates
 
     for w in want:
+        # Try to match an existing config with the desired config
+        for h in have:
+            for key in ['prefix', 'mask', 'next_hop']:
+                # If any key doesn't match, skip to the next set
+                if w[key] != h[key]:
+                    break
+            # If all keys match, don't execute final else
+            else:
+                break
+        # If no matches found, clear `h`
+        else:
+            h = None
+
         prefix = w['prefix']
         mask = w['mask']
         next_hop = w['next_hop']
-        admin_distance = w['admin_distance']
+        admin_distance = w.get('admin_distance')
+        if not admin_distance and h:
+            w['admin_distance'] = admin_distance = h['admin_distance']
         state = w['state']
         del w['state']
 
         if state == 'absent' and w in have:
             commands.append('no ip route %s %s %s' % (prefix, mask, next_hop))
         elif state == 'present' and w not in have:
-            commands.append('ip route %s %s %s %s' % (prefix, mask, next_hop,
-                                                      admin_distance))
+            if admin_distance:
+                commands.append('ip route %s %s %s %s' % (prefix, mask, next_hop, admin_distance))
+            else:
+                commands.append('ip route %s %s %s' % (prefix, mask, next_hop))
 
     return commands
 
@@ -138,55 +153,82 @@ def map_obj_to_commands(updates, module):
 def map_config_to_obj(module):
     obj = []
 
-    rc, out, err = exec_command(module, 'show ip static route')
-    match = re.search(r'.*Static local RIB for default\s*(.*)$', out, re.DOTALL)
+    try:
+        out = run_commands(module, 'show ip static route')[0]
+        match = re.search(r'.*Static local RIB for default\s*(.*)$', out, re.DOTALL)
+
+        if match and match.group(1):
+            for r in match.group(1).splitlines():
+                splitted_line = r.split()
+
+                code = splitted_line[0]
 
-    if match and match.group(1):
-        for r in match.group(1).splitlines():
-            splitted_line = r.split()
+                if code != 'M':
+                    continue
 
-            code = splitted_line[0]
+                cidr = ip_network(to_text(splitted_line[1]))
+                prefix = str(cidr.network_address)
+                mask = str(cidr.netmask)
+                next_hop = splitted_line[4]
+                admin_distance = splitted_line[2][1]
 
-            if code != 'M':
+                obj.append({
+                    'prefix': prefix, 'mask': mask, 'next_hop': next_hop,
+                    'admin_distance': admin_distance
+                })
+
+    except ConnectionError:
+        out = get_config(module, flags='| include ip route')
+
+        for line in out.splitlines():
+            splitted_line = line.split()
+            if len(splitted_line) not in (5, 6):
                 continue
 
-            cidr = ip_network(to_text(splitted_line[1]))
-            prefix = str(cidr.network_address)
-            mask = str(cidr.netmask)
+            prefix = splitted_line[2]
+            mask = splitted_line[3]
             next_hop = splitted_line[4]
-            admin_distance = splitted_line[2][1]
+            if len(splitted_line) == 6:
+                admin_distance = splitted_line[5]
+            else:
+                admin_distance = '1'
 
-            obj.append({'prefix': prefix, 'mask': mask,
-                        'next_hop': next_hop,
-                        'admin_distance': admin_distance})
+            obj.append({
+                'prefix': prefix, 'mask': mask, 'next_hop': next_hop,
+                'admin_distance': admin_distance
+            })
 
     return obj
 
 
 def map_params_to_obj(module, required_together=None):
+    keys = ['prefix', 'mask', 'next_hop', 'admin_distance', 'state']
     obj = []
 
     aggregate = module.params.get('aggregate')
     if aggregate:
         for item in aggregate:
-            for key in item:
-                if item.get(key) is None:
-                    item[key] = module.params[key]
-
-            module._check_required_together(required_together, item)
-            d = item.copy()
-            d['admin_distance'] = str(module.params['admin_distance'])
+            route = item.copy()
+            for key in keys:
+                if route.get(key) is None:
+                    route[key] = module.params.get(key)
 
-            obj.append(d)
+            module._check_required_together(required_together, route)
+            obj.append(route)
     else:
+        module._check_required_together(required_together, module.params)
         obj.append({
             'prefix': module.params['prefix'].strip(),
             'mask': module.params['mask'].strip(),
             'next_hop': module.params['next_hop'].strip(),
-            'admin_distance': str(module.params['admin_distance']),
-            'state': module.params['state']
+            'admin_distance': module.params.get('admin_distance'),
+            'state': module.params['state'],
         })
 
+    for route in obj:
+        if route['admin_distance']:
+            route['admin_distance'] = str(route['admin_distance'])
+
     return obj
 
 
@@ -197,7 +239,7 @@ def main():
         prefix=dict(type='str'),
         mask=dict(type='str'),
         next_hop=dict(type='str'),
-        admin_distance=dict(default=1, type='int'),
+        admin_distance=dict(type='int'),
         state=dict(default='present', choices=['present', 'absent'])
     )
 
@@ -220,7 +262,6 @@ def main():
 
     module = AnsibleModule(argument_spec=argument_spec,
                            required_one_of=required_one_of,
-                           required_together=required_together,
                            mutually_exclusive=mutually_exclusive,
                            supports_check_mode=True)
 
@@ -236,7 +277,7 @@ def main():
     want = map_params_to_obj(module, required_together=required_together)
     have = map_config_to_obj(module)
 
-    commands = map_obj_to_commands((want, have), module)
+    commands = map_obj_to_commands(want, have, module)
     result['commands'] = commands
 
     if commands:
@@ -247,5 +288,6 @@ def main():
 
     module.exit_json(**result)
 
+
 if __name__ == '__main__':
     main()
diff --git a/lib/ansible/plugins/cliconf/ios.py b/lib/ansible/plugins/cliconf/ios.py
--- a/lib/ansible/plugins/cliconf/ios.py
+++ b/lib/ansible/plugins/cliconf/ios.py
@@ -61,8 +61,7 @@ def get_config(self, source='running', flags=None):
         else:
             cmd = 'show startup-config'
 
-        flags = [] if flags is None else flags
-        cmd += ' '.join(flags)
+        cmd += ' '.join(to_list(flags))
         cmd = cmd.strip()
 
         return self.send_command(cmd)


Test patch:
diff --git a/test/integration/targets/ios_static_route/tests/cli/basic.yaml b/test/integration/targets/ios_static_route/tests/cli/basic.yaml
--- a/test/integration/targets/ios_static_route/tests/cli/basic.yaml
+++ b/test/integration/targets/ios_static_route/tests/cli/basic.yaml
@@ -1,15 +1,17 @@
 ---
 - debug: msg="START ios cli/ios_static_route.yaml on connection={{ ansible_connection }}"
 
-- name: delete static route - setup
-  net_static_route:
-    prefix: 172.16.31.0
+- name: Clear all static routes
+  ios_static_route: &delete_all
+    aggregate:
+      - { prefix: 172.16.31.0 }
+      - { prefix: 172.16.32.0 }
+      - { prefix: 172.16.33.0 }
+      - { prefix: 172.16.34.0 }
     mask: 255.255.255.0
     next_hop: 10.0.0.8
-    admin_distance: 1
     state: absent
     provider: "{{ cli }}"
-  register: result
 
 - name: create static route
   ios_static_route:
@@ -23,13 +25,14 @@
 - assert:
     that:
       - 'result.changed == true'
-      - 'result.commands == ["ip route 172.16.31.0 255.255.255.0 10.0.0.8 1"]'
+      - 'result.commands == ["ip route 172.16.31.0 255.255.255.0 10.0.0.8"]'
 
-- name: create static route again (idempotent)
+- name: Verify idempotence with default admin_distance
   ios_static_route:
     prefix: 172.16.31.0
     mask: 255.255.255.0
     next_hop: 10.0.0.8
+    admin_distance: 1
     state: present
     provider: "{{ cli }}"
   register: result
@@ -39,7 +42,7 @@
       - 'result.changed == false'
 
 - name: modify admin distance of static route
-  ios_static_route:
+  ios_static_route: &admin2
     prefix: 172.16.31.0
     mask: 255.255.255.0
     next_hop: 10.0.0.8
@@ -54,11 +57,18 @@
       - 'result.commands == ["ip route 172.16.31.0 255.255.255.0 10.0.0.8 2"]'
 
 - name: modify admin distance of static route again (idempotent)
+  ios_static_route: *admin2
+  register: result
+
+- assert:
+    that:
+      - 'result.changed == false'
+
+- name: Verify idempotence with unspecified admin_distance
   ios_static_route:
     prefix: 172.16.31.0
     mask: 255.255.255.0
     next_hop: 10.0.0.8
-    admin_distance: 2
     state: present
     provider: "{{ cli }}"
   register: result
@@ -68,11 +78,10 @@
       - 'result.changed == false'
 
 - name: delete static route
-  ios_static_route:
+  ios_static_route: &delete
     prefix: 172.16.31.0
     mask: 255.255.255.0
     next_hop: 10.0.0.8
-    admin_distance: 2
     state: absent
     provider: "{{ cli }}"
   register: result
@@ -83,13 +92,7 @@
       - 'result.commands == ["no ip route 172.16.31.0 255.255.255.0 10.0.0.8"]'
 
 - name: delete static route again (idempotent)
-  ios_static_route:
-    prefix: 172.16.31.0
-    mask: 255.255.255.0
-    next_hop: 10.0.0.8
-    admin_distance: 2
-    state: absent
-    provider: "{{ cli }}"
+  ios_static_route: *delete
   register: result
 
 - assert:
@@ -99,8 +102,10 @@
 - name: Add static route aggregates
   ios_static_route:
     aggregate:
-      - { prefix: 172.16.32.0, mask: 255.255.255.0, next_hop: 10.0.0.8 }
-      - { prefix: 172.16.33.0, mask: 255.255.255.0, next_hop: 10.0.0.8 }
+      - { prefix: 172.16.32.0 }
+      - { prefix: 172.16.33.0 }
+    mask: 255.255.255.0
+    next_hop: 10.0.0.8
     state: present
     provider: "{{ cli }}"
   register: result
@@ -108,14 +113,16 @@
 - assert:
     that:
       - 'result.changed == true'
-      - 'result.commands == ["ip route 172.16.32.0 255.255.255.0 10.0.0.8 1", "ip route 172.16.33.0 255.255.255.0 10.0.0.8 1"]'
+      - 'result.commands == ["ip route 172.16.32.0 255.255.255.0 10.0.0.8", "ip route 172.16.33.0 255.255.255.0 10.0.0.8"]'
 
 - name: Add and remove static route aggregates with overrides
   ios_static_route:
     aggregate:
-      - { prefix: 172.16.32.0, mask: 255.255.255.0, next_hop: 10.0.0.8 }
-      - { prefix: 172.16.33.0, mask: 255.255.255.0, next_hop: 10.0.0.8, state: absent }
-      - { prefix: 172.16.34.0, mask: 255.255.255.0, next_hop: 10.0.0.8 }
+      - { prefix: 172.16.32.0 }
+      - { prefix: 172.16.33.0, state: absent }
+      - { prefix: 172.16.34.0 }
+    mask: 255.255.255.0
+    next_hop: 10.0.0.8
     state: present
     provider: "{{ cli }}"
   register: result
@@ -123,16 +130,10 @@
 - assert:
     that:
       - 'result.changed == true'
-      - 'result.commands == ["no ip route 172.16.33.0 255.255.255.0 10.0.0.8", "ip route 172.16.34.0 255.255.255.0 10.0.0.8 1"]'
+      - 'result.commands == ["no ip route 172.16.33.0 255.255.255.0 10.0.0.8", "ip route 172.16.34.0 255.255.255.0 10.0.0.8"]'
 
 - name: Remove static route aggregates
-  ios_static_route:
-    aggregate:
-      - { prefix: 172.16.32.0, mask: 255.255.255.0, next_hop: 10.0.0.8 }
-      - { prefix: 172.16.33.0, mask: 255.255.255.0, next_hop: 10.0.0.8 }
-      - { prefix: 172.16.34.0, mask: 255.255.255.0, next_hop: 10.0.0.8 }
-    state: absent
-    provider: "{{ cli }}"
+  ios_static_route: *delete_all
   register: result
 
 - assert:
diff --git a/test/integration/targets/ios_static_route/tests/cli/net_static_route.yaml b/test/integration/targets/ios_static_route/tests/cli/net_static_route.yaml
--- a/test/integration/targets/ios_static_route/tests/cli/net_static_route.yaml
+++ b/test/integration/targets/ios_static_route/tests/cli/net_static_route.yaml
@@ -5,20 +5,19 @@
 # implementation module and module run is successful.
 
 - name: delete static route - setup
-  net_static_route:
+  net_static_route: &delete
     prefix: 172.16.31.0
     mask: 255.255.255.0
     next_hop: 10.0.0.8
-    admin_distance: 1
     state: absent
     provider: "{{ cli }}"
-  register: result
 
 - name: create static route using platform agnostic module
   net_static_route:
     prefix: 172.16.31.0
     mask: 255.255.255.0
     next_hop: 10.0.0.8
+    admin_distance: 1
     state: present
     provider: "{{ cli }}"
   register: result
@@ -29,13 +28,6 @@
       - 'result.commands == ["ip route 172.16.31.0 255.255.255.0 10.0.0.8 1"]'
 
 - name: delete static route - teardown
-  net_static_route:
-    prefix: 172.16.31.0
-    mask: 255.255.255.0
-    next_hop: 10.0.0.8
-    admin_distance: 2
-    state: absent
-    provider: "{{ cli }}"
-  register: result
+  net_static_route: *delete
 
 - debug: msg="END ios cli/net_static_route.yaml on connection={{ ansible_connection }}"