Merge branch 'add-proxy-native-relation-charms' into 'master'

Add charm example for a proxy-native relation

See merge request !90

.gitmodules

@@ -58,3 +58,12 @@
 [submodule "charm-packages/native_k8s_charm_vnf/charms/nginx-k8s/mod/operator"]
 	path = charm-packages/native_k8s_charm_vnf/charms/nginx-k8s/mod/operator
 	url = https://github.com/canonical/operator
+[submodule "charm-packages/proxy_native_relation_vnf/charms/simple_provides_proxy/mod/charms.osm"]
+	path = charm-packages/proxy_native_relation_vnf/charms/simple_provides_proxy/mod/charms.osm
+	url = https://github.com/charmed-osm/charms.osm.git
+[submodule "charm-packages/proxy_native_relation_vnf/charms/simple_provides_proxy/mod/operator"]
+	path = charm-packages/proxy_native_relation_vnf/charms/simple_provides_proxy/mod/operator
+	url = https://github.com/canonical/operator.git
+[submodule "charm-packages/proxy_native_relation_vnf/charms/simple_requires/mod/operator"]
+	path = charm-packages/proxy_native_relation_vnf/charms/simple_requires/mod/operator
+	url = https://github.com/canonical/operator.git

charm-packages/proxy_native_relation_ns/proxy_native_relation_nsd.yaml

+nsd:nsd-catalog:
+    nsd:
+    -   id: proxy_native_relation-ns
+        name: proxy_native_relation-ns
+        short-name: proxy_native_relation-ns
+        description: NS with 2 VNFs with cloudinit connected by datanet and mgmtnet VLs
+        version: '1.0'
+        logo: osm.png
+        constituent-vnfd:
+        -   vnfd-id-ref: proxy_native_relation-vnf
+            member-vnf-index: '1'
+        vld:
+        -   id: mgmtnet
+            name: mgmtnet
+            short-name: mgmtnet
+            type: ELAN
+            mgmt-network: 'true'
+            vim-network-name: osm-ext
+            vnfd-connection-point-ref:
+            -   vnfd-id-ref: proxy_native_relation-vnf
+                member-vnf-index-ref: '1'
+                vnfd-connection-point-ref: provides-mgmt
+            -   vnfd-id-ref: proxy_native_relation-vnf
+                member-vnf-index-ref: '1'
+                vnfd-connection-point-ref: requires-mgmt
+

charm-packages/proxy_native_relation_vnf/charms/simple_provides_proxy/actions.yaml

+##
+# Copyright 2020 Canonical Ltd.
+# All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+##
+touch:
+  description: "Touch a file on the VNF."
+  params:
+    filename:
+      description: "The name of the file to touch."
+      type: string
+      default: ""
+  required:
+    - filename
+
+# Standard OSM functions
+start:
+  description: "Stop the service on the VNF."
+stop:
+  description: "Stop the service on the VNF."
+restart:
+  description: "Stop the service on the VNF."
+reboot:
+  description: "Reboot the VNF virtual machine."
+upgrade:
+  description: "Upgrade the software on the VNF."
+
+# Required by charms.osm.sshproxy
+run:
+  description: "Run an arbitrary command"
+  params:
+    command:
+      description: "The command to execute."
+      type: string
+      default: ""
+  required:
+    - command
+generate-ssh-key:
+  description: "Generate a new SSH keypair for this unit. This will replace any existing previously generated keypair."
+verify-ssh-credentials:
+  description: "Verify that this unit can authenticate with server specified by ssh-hostname and ssh-username."
+get-ssh-public-key:
+  description: "Get the public SSH key for this unit."

charm-packages/proxy_native_relation_vnf/charms/simple_provides_proxy/config.yaml

+##
+# Copyright 2020 Canonical Ltd.
+# All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+##
+options:
+  ssh-hostname:
+    type: string
+    default: ""
+    description: "The hostname or IP address of the machine to"
+  ssh-username:
+    type: string
+    default: ""
+    description: "The username to login as."
+  ssh-password:
+    type: string
+    default: ""
+    description: "The password used to authenticate."
+  ssh-public-key:
+    type: string
+    default: ""
+    description: "The public key of this unit."
+  ssh-key-type:
+    type: string
+    default: "rsa"
+    description: "The type of encryption to use for the SSH key."
+  ssh-key-bits:
+    type: int
+    default: 4096
+    description: "The number of bits to use for the SSH key."

charm-packages/proxy_native_relation_vnf/charms/simple_provides_proxy/hooks/install

+#!/usr/bin/env python3
+##
+# Copyright 2020 Canonical Ltd.
+# All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+##
+
+import sys
+
+sys.path.append("lib")
+
+from charms.osm.sshproxy import SSHProxyCharm
+from ops.main import main
+
+class MySSHProxyCharm(SSHProxyCharm):
+
+    def __init__(self, framework, key):
+        super().__init__(framework, key)
+
+        # Listen to charm events
+        self.framework.observe(self.on.config_changed, self.on_config_changed)
+        self.framework.observe(self.on.install, self.on_install)
+        self.framework.observe(self.on.start, self.on_start)
+
+        # Listen to the touch action event
+        self.framework.observe(self.on.touch_action, self.on_touch_action)
+
+    def on_config_changed(self, event):
+        """Handle changes in configuration"""
+        super().on_config_changed(event)
+
+    def on_install(self, event):
+        """Called when the charm is being installed"""
+        super().on_install(event)
+
+    def on_start(self, event):
+        """Called when the charm is being started"""
+        super().on_start(event)
+
+    def on_touch_action(self, event):
+        """Touch a file."""
+
+        if self.model.unit.is_leader():
+            filename = event.params["filename"]
+            proxy = self.get_ssh_proxy()
+            stdout, stderr = proxy.run("touch {}".format(filename))
+            event.set_results({"output": stdout})
+        else:
+            event.fail("Unit is not leader")
+            return
+
+if __name__ == "__main__":
+    main(MySSHProxyCharm)
+

charm-packages/proxy_native_relation_vnf/charms/simple_provides_proxy/hooks/start

+#!/usr/bin/env python3
+##
+# Copyright 2020 Canonical Ltd.
+# All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+##
+
+import sys
+
+sys.path.append("lib")
+
+from charms.osm.sshproxy import SSHProxyCharm
+from ops.main import main
+
+class MySSHProxyCharm(SSHProxyCharm):
+
+    def __init__(self, framework, key):
+        super().__init__(framework, key)
+
+        # Listen to charm events
+        self.framework.observe(self.on.config_changed, self.on_config_changed)
+        self.framework.observe(self.on.install, self.on_install)
+        self.framework.observe(self.on.start, self.on_start)
+
+        # Listen to the touch action event
+        self.framework.observe(self.on.touch_action, self.on_touch_action)
+
+    def on_config_changed(self, event):
+        """Handle changes in configuration"""
+        super().on_config_changed(event)
+
+    def on_install(self, event):
+        """Called when the charm is being installed"""
+        super().on_install(event)
+
+    def on_start(self, event):
+        """Called when the charm is being started"""
+        super().on_start(event)
+
+    def on_touch_action(self, event):
+        """Touch a file."""
+
+        if self.model.unit.is_leader():
+            filename = event.params["filename"]
+            proxy = self.get_ssh_proxy()
+            stdout, stderr = proxy.run("touch {}".format(filename))
+            event.set_results({"output": stdout})
+        else:
+            event.fail("Unit is not leader")
+            return
+
+if __name__ == "__main__":
+    main(MySSHProxyCharm)
+

charm-packages/proxy_native_relation_vnf/charms/simple_provides_proxy/hooks/upgrade-charm

+#!/usr/bin/env python3
+##
+# Copyright 2020 Canonical Ltd.
+# All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+##
+
+import sys
+
+sys.path.append("lib")
+
+from charms.osm.sshproxy import SSHProxyCharm
+from ops.main import main
+
+class MySSHProxyCharm(SSHProxyCharm):
+
+    def __init__(self, framework, key):
+        super().__init__(framework, key)
+
+        # Listen to charm events
+        self.framework.observe(self.on.config_changed, self.on_config_changed)
+        self.framework.observe(self.on.install, self.on_install)
+        self.framework.observe(self.on.start, self.on_start)
+
+        # Listen to the touch action event
+        self.framework.observe(self.on.touch_action, self.on_touch_action)
+
+    def on_config_changed(self, event):
+        """Handle changes in configuration"""
+        super().on_config_changed(event)
+
+    def on_install(self, event):
+        """Called when the charm is being installed"""
+        super().on_install(event)
+
+    def on_start(self, event):
+        """Called when the charm is being started"""
+        super().on_start(event)
+
+    def on_touch_action(self, event):
+        """Touch a file."""
+
+        if self.model.unit.is_leader():
+            filename = event.params["filename"]
+            proxy = self.get_ssh_proxy()
+            stdout, stderr = proxy.run("touch {}".format(filename))
+            event.set_results({"output": stdout})
+        else:
+            event.fail("Unit is not leader")
+            return
+
+if __name__ == "__main__":
+    main(MySSHProxyCharm)
+

charm-packages/proxy_native_relation_vnf/charms/simple_provides_proxy/lib/charms

+../mod/charms.osm/charms/
\ No newline at end of file

charm-packages/proxy_native_relation_vnf/charms/simple_provides_proxy/lib/ops

+../mod/operator/ops/
\ No newline at end of file

charm-packages/proxy_native_relation_vnf/charms/simple_provides_proxy/metadata.yaml

+##
+# Copyright 2020 Canonical Ltd.
+# All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+##
+
+name: simple-ha-proxy
+summary: A simple example proxy charm
+description: |
+  Simple proxy charm is an example charm used in OSM Hackfests
+series:
+  - xenial
+  - bionic
+peers:
+  proxypeer:
+    interface: proxypeer
+provides:
+  interface:
+    interface: interface
\ No newline at end of file

charms.osm @ 3d517f5e

+Subproject commit 3d517f5e42550d0b5c81aa4be20f7679020854d5

operator @ 89b51be8

+Subproject commit 89b51be8588a19fcc9c93410707aeb5856dd8d8f

charm-packages/proxy_native_relation_vnf/charms/simple_provides_proxy/src/charm.py

+#!/usr/bin/env python3
+##
+# Copyright 2020 Canonical Ltd.
+# All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+##
+
+import sys
+
+sys.path.append("lib")
+
+from charms.osm.sshproxy import SSHProxyCharm
+from ops.main import main
+
+class MySSHProxyCharm(SSHProxyCharm):
+
+    def __init__(self, framework, key):
+        super().__init__(framework, key)
+
+        # Listen to charm events
+        self.framework.observe(self.on.config_changed, self.on_config_changed)
+        self.framework.observe(self.on.install, self.on_install)
+        self.framework.observe(self.on.start, self.on_start)
+
+        # Listen to the touch action event
+        self.framework.observe(self.on.touch_action, self.on_touch_action)
+        self.framework.observe(
+            self.on.interface_relation_changed, self.on_interface_relation_changed
+        )
+
+    def on_config_changed(self, event):
+        """Handle changes in configuration"""
+        super().on_config_changed(event)
+
+    def on_install(self, event):
+        """Called when the charm is being installed"""
+        super().on_install(event)
+
+    def on_start(self, event):
+        """Called when the charm is being started"""
+        super().on_start(event)
+
+    def on_touch_action(self, event):
+        """Touch a file."""
+
+        if self.model.unit.is_leader():
+            filename = event.params["filename"]
+            proxy = self.get_ssh_proxy()
+            stdout, stderr = proxy.run("touch {}".format(filename))
+            event.set_results({"output": stdout})
+        else:
+            event.fail("Unit is not leader")
+            return
+
+    def on_interface_relation_changed(self, event):
+        parameter = "Hello"
+        event.relation.data[self.model.unit]["parameter"] = parameter
+        self.model.unit.status = ActiveStatus("Parameter sent: {}".format(parameter))
+
+
+if __name__ == "__main__":
+    main(MySSHProxyCharm)

charm-packages/proxy_native_relation_vnf/charms/simple_requires/actions.yaml

+##
+# Copyright 2020 Canonical Ltd.
+# All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+##
+touch:
+  description: "Touch a file on the VNF."
+  params:
+    filename:
+      description: "The name of the file to touch."
+      type: string
+      default: ""
+  required:
+    - filename

charm-packages/proxy_native_relation_vnf/charms/simple_requires/config.yaml

+##
+# Copyright 2020 Canonical Ltd.
+# All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+##
+options: {}
\ No newline at end of file

charm-packages/proxy_native_relation_vnf/charms/simple_requires/hooks/install

+#!/usr/bin/env python3
+##
+# Copyright 2020 Canonical Ltd.
+# All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+##
+
+import sys
+import subprocess
+import logging
+
+sys.path.append("lib")
+
+from ops.charm import CharmBase
+from ops.main import main
+from ops.model import ActiveStatus
+
+logger = logging.getLogger(__name__)
+
+class MyNativeCharm(CharmBase):
+
+    def __init__(self, framework, key):
+        super().__init__(framework, key)
+
+        # Listen to charm events
+        self.framework.observe(self.on.config_changed, self.on_config_changed)
+        self.framework.observe(self.on.install, self.on_install)
+        self.framework.observe(self.on.start, self.on_start)
+
+        # Listen to the touch action event
+        self.framework.observe(self.on.touch_action, self.on_touch_action)
+
+        # Listen to relation changed
+        self.framework.observe(
+            self.on.interface_relation_changed, self.on_interface_relation_changed
+        )
+    def on_config_changed(self, event):
+        """Handle changes in configuration"""
+        self.model.unit.status = ActiveStatus()
+
+    def on_install(self, event):
+        """Called when the charm is being installed"""
+        self.model.unit.status = ActiveStatus()
+
+    def on_start(self, event):
+        """Called when the charm is being started"""
+        self.model.unit.status = ActiveStatus()
+
+    def on_touch_action(self, event):
+        """Touch a file."""
+
+        filename = event.params["filename"]
+        try:
+            subprocess.run(["touch", filename], check=True)
+            event.set_results({"created": True, "filename": filename})
+        except subprocess.CalledProcessError as e:
+            event.fail("Action failed: {}".format(e))
+        self.model.unit.status = ActiveStatus()
+
+    def on_interface_relation_changed(self, event):
+        logger.debug("RELATION DATA: {}".format(dict(event.relation.data[event.unit])))
+        parameter = event.relation.data[event.unit].get("parameter")
+        if parameter:
+            self.model.unit.status = ActiveStatus("Parameter received: {}".format(parameter))
+
+
+if __name__ == "__main__":
+    main(MyNativeCharm)
+

charm-packages/proxy_native_relation_vnf/charms/simple_requires/hooks/start

+#!/usr/bin/env python3
+##
+# Copyright 2020 Canonical Ltd.
+# All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+##
+
+import sys
+import subprocess
+import logging
+
+sys.path.append("lib")
+
+from ops.charm import CharmBase
+from ops.main import main
+from ops.model import ActiveStatus
+
+logger = logging.getLogger(__name__)
+
+class MyNativeCharm(CharmBase):
+
+    def __init__(self, framework, key):
+        super().__init__(framework, key)
+
+        # Listen to charm events
+        self.framework.observe(self.on.config_changed, self.on_config_changed)
+        self.framework.observe(self.on.install, self.on_install)
+        self.framework.observe(self.on.start, self.on_start)
+
+        # Listen to the touch action event
+        self.framework.observe(self.on.touch_action, self.on_touch_action)
+
+        # Listen to relation changed
+        self.framework.observe(
+            self.on.interface_relation_changed, self.on_interface_relation_changed
+        )
+    def on_config_changed(self, event):
+        """Handle changes in configuration"""
+        self.model.unit.status = ActiveStatus()
+
+    def on_install(self, event):
+        """Called when the charm is being installed"""
+        self.model.unit.status = ActiveStatus()
+
+    def on_start(self, event):
+        """Called when the charm is being started"""
+        self.model.unit.status = ActiveStatus()
+
+    def on_touch_action(self, event):
+        """Touch a file."""
+
+        filename = event.params["filename"]
+        try:
+            subprocess.run(["touch", filename], check=True)
+            event.set_results({"created": True, "filename": filename})
+        except subprocess.CalledProcessError as e:
+            event.fail("Action failed: {}".format(e))
+        self.model.unit.status = ActiveStatus()
+
+    def on_interface_relation_changed(self, event):
+        logger.debug("RELATION DATA: {}".format(dict(event.relation.data[event.unit])))
+        parameter = event.relation.data[event.unit].get("parameter")
+        if parameter:
+            self.model.unit.status = ActiveStatus("Parameter received: {}".format(parameter))
+
+
+if __name__ == "__main__":
+    main(MyNativeCharm)
+

charm-packages/proxy_native_relation_vnf/charms/simple_requires/hooks/upgrade-charm

+#!/usr/bin/env python3
+##
+# Copyright 2020 Canonical Ltd.
+# All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+##
+
+import sys
+import subprocess
+import logging
+
+sys.path.append("lib")
+
+from ops.charm import CharmBase
+from ops.main import main
+from ops.model import ActiveStatus
+
+logger = logging.getLogger(__name__)
+
+class MyNativeCharm(CharmBase):
+
+    def __init__(self, framework, key):
+        super().__init__(framework, key)
+
+        # Listen to charm events
+        self.framework.observe(self.on.config_changed, self.on_config_changed)
+        self.framework.observe(self.on.install, self.on_install)
+        self.framework.observe(self.on.start, self.on_start)
+
+        # Listen to the touch action event
+        self.framework.observe(self.on.touch_action, self.on_touch_action)
+
+        # Listen to relation changed
+        self.framework.observe(
+            self.on.interface_relation_changed, self.on_interface_relation_changed
+        )
+    def on_config_changed(self, event):
+        """Handle changes in configuration"""
+        self.model.unit.status = ActiveStatus()
+
+    def on_install(self, event):
+        """Called when the charm is being installed"""
+        self.model.unit.status = ActiveStatus()
+
+    def on_start(self, event):
+        """Called when the charm is being started"""
+        self.model.unit.status = ActiveStatus()
+
+    def on_touch_action(self, event):
+        """Touch a file."""
+
+        filename = event.params["filename"]
+        try:
+            subprocess.run(["touch", filename], check=True)
+            event.set_results({"created": True, "filename": filename})
+        except subprocess.CalledProcessError as e:
+            event.fail("Action failed: {}".format(e))
+        self.model.unit.status = ActiveStatus()
+
+    def on_interface_relation_changed(self, event):
+        logger.debug("RELATION DATA: {}".format(dict(event.relation.data[event.unit])))
+        parameter = event.relation.data[event.unit].get("parameter")
+        if parameter:
+            self.model.unit.status = ActiveStatus("Parameter received: {}".format(parameter))
+
+
+if __name__ == "__main__":
+    main(MyNativeCharm)
+

charm-packages/proxy_native_relation_vnf/charms/simple_requires/lib/ops

+../mod/operator/ops/
\ No newline at end of file