Add ha proxy packages

.gitmodules

@@ -16,3 +16,9 @@
 [submodule "magma/hackfest_gateway_vnfd/charms/vyos-config/mod/charm-helpers"]
 	path = magma/hackfest_gateway_vnfd/charms/vyos-config/mod/charm-helpers
 	url = https://github.com/juju/charm-helpers.git
+[submodule "charm-packages/ha_proxy_charm_vnf/charms/simple/mod/operator"]
+	path = charm-packages/ha_proxy_charm_vnf/charms/simple/mod/operator
+	url = https://github.com/canonical/operator
+[submodule "charm-packages/ha_proxy_charm_vnf/charms/simple/mod/charms.osm"]
+	path = charm-packages/ha_proxy_charm_vnf/charms/simple/mod/charms.osm
+	url = https://github.com/charmed-osm/charms.osm

charm-packages/ha_proxy_charm_ns/ha_proxy_charm_nsd.yaml

+nsd:nsd-catalog:
+    nsd:
+    -   id: ha_proxy_charm-ns
+        name: ha_proxy_charm-ns
+        short-name: ha_proxy_charm-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: ha_proxy_charm-vnf
+            member-vnf-index: '1'
+        -   vnfd-id-ref: ha_proxy_charm-vnf
+            member-vnf-index: '2'
+        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: ha_proxy_charm-vnf
+                member-vnf-index-ref: '1'
+                vnfd-connection-point-ref: vnf-mgmt
+            -   vnfd-id-ref: ha_proxy_charm-vnf
+                member-vnf-index-ref: '2'
+                vnfd-connection-point-ref: vnf-mgmt
+        -   id: datanet
+            name: datanet
+            short-name: datanet
+            type: ELAN
+            vnfd-connection-point-ref:
+            -   vnfd-id-ref: ha_proxy_charm-vnf
+                member-vnf-index-ref: '1'
+                vnfd-connection-point-ref: vnf-data
+            -   vnfd-id-ref: ha_proxy_charm-vnf
+                member-vnf-index-ref: '2'
+                vnfd-connection-point-ref: vnf-data
+

charm-packages/ha_proxy_charm_vnf/charms/simple/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/ha_proxy_charm_vnf/charms/simple/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/ha_proxy_charm_vnf/charms/simple/hooks/install

+../src/charm.py
\ No newline at end of file

charm-packages/ha_proxy_charm_vnf/charms/simple/hooks/start

+../src/charm.py
\ No newline at end of file

charm-packages/ha_proxy_charm_vnf/charms/simple/hooks/upgrade-charm

+../src/charm.py
\ No newline at end of file

charm-packages/ha_proxy_charm_vnf/charms/simple/lib/charms/osm

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

charm-packages/ha_proxy_charm_vnf/charms/simple/lib/ops

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

charm-packages/ha_proxy_charm_vnf/charms/simple/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

charms.osm @ 7938406a

+Subproject commit 7938406a724cd87b73e111d724f120d7a5172d7f

operator @ a84ce877

+Subproject commit a84ce8776b368a8b2bccdb173716e342db9a6b36

charm-packages/ha_proxy_charm_vnf/charms/simple/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)
+
+    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/ha_proxy_charm_vnf/cloud_init/cloud-config.txt

+#cloud-config
+password: osm4u
+chpasswd: { expire: False }
+ssh_pwauth: True
+
+write_files:
+-   content: |
+        # My new helloworld file
+
+    owner: root:root
+    permissions: '0644'
+    path: /root/helloworld.txt

charm-packages/ha_proxy_charm_vnf/ha_proxy_charm_vnfd.yaml

+vnfd:vnfd-catalog:
+    vnfd:
+    -   id: ha_proxy_charm-vnf
+        name: ha_proxy_charm-vnf
+        short-name: ha_proxy_charm-vnf
+        version: 1.0
+        description: A VNF consisting of 1 VDU connected to two external VL, and one for data and another one for management
+        logo: osm.png
+        connection-point:
+        -   id: vnf-mgmt
+            name: vnf-mgmt
+            short-name: vnf-mgmt
+            type: VPORT
+        -   id: vnf-data
+            name: vnf-data
+            short-name: vnf-data
+            type: VPORT
+        mgmt-interface:
+            cp: vnf-mgmt
+        vdu:
+        -   id: mgmtVM
+            name: mgmtVM
+            image: ubuntu16.04
+            count: 1
+            vm-flavor:
+                vcpu-count: 1
+                memory-mb: 1024
+                storage-gb: 10
+            interface:
+            -   name: mgmtVM-eth0
+                position: 1
+                type: EXTERNAL
+                virtual-interface:
+                    type: PARAVIRT
+                external-connection-point-ref: vnf-mgmt
+            -   name: dataVM-xe0
+                position: 2
+                type: EXTERNAL
+                virtual-interface:
+                    type: PARAVIRT
+                external-connection-point-ref: vnf-data
+            cloud-init-file: cloud-config.txt
+        vnf-configuration:
+            juju:
+                charm: simple
+            initial-config-primitive:
+            -   seq: 1
+                name: config
+                parameter:
+                -   name: ssh-hostname
+                    value: <rw_mgmt_ip>
+                -   name: ssh-username
+                    value: ubuntu
+                -   name: ssh-password
+                    value: osm4u
+            -   seq: 2
+                name: touch
+                parameter:
+                -   name: filename
+                    data-type: STRING
+                    value: '/home/ubuntu/first-touch'
+            config-primitive:
+            -   name: touch
+                parameter:
+                -   name: filename
+                    data-type: STRING
+                    default-value: '/home/ubuntu/touched'