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Adds packages for test SA-05 


Signed-off-by: default avatargarciaale <agarcia@whitestack.com>
parent 3aa99d92
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nsd-catalog:
nsd:
- constituent-vnfd:
- member-vnf-index: '1'
start-by-default: true
vnfd-id-ref: ubuntuvm_vnfmetric_autoscale_vnf
id: ubuntuvm_vnfmetric_autoscale_ns
name: ubuntuvm_vnfmetric_autoscale_ns
short-name: ubuntuvm_vnfmetric_autoscale_ns
description: Ubuntu VM with VNF metrics and load-based autoscaling NS
vendor: Whitestack
vld:
- id: mgmt
mgmt-network: true
name: vnfs
type: ELAN
vim-network-name: vnf-mgmt
vnfd-connection-point-ref:
- member-vnf-index-ref: '1'
vnfd-connection-point-ref: vdu1_mgmt
vnfd-id-ref: ubuntuvm_vnfmetric_autoscale_vnf
- member-vnf-index-ref: '1'
vnfd-connection-point-ref: vdu2_mgmt
vnfd-id-ref: ubuntuvm_vnfmetric_autoscale_vnf
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#!/usr/bin/make
all: lint unit_test
.PHONY: clean
clean:
@rm -rf .tox
.PHONY: apt_prereqs
apt_prereqs:
@# Need tox, but don't install the apt version unless we have to (don't want to conflict with pip)
@which tox >/dev/null || (sudo apt-get install -y python-pip && sudo pip install tox)
.PHONY: lint
lint: apt_prereqs
@tox --notest
@PATH=.tox/py34/bin:.tox/py35/bin flake8 $(wildcard hooks reactive lib unit_tests tests)
@charm proof
.PHONY: unit_test
unit_test: apt_prereqs
@echo Starting tests...
tox
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# Overview
Describe the intended usage of this charm and anything unique about how this
charm relates to others here.
This README will be displayed in the Charm Store, it should be either Markdown
or RST. Ideal READMEs include instructions on how to use the charm, expected
usage, and charm features that your audience might be interested in. For an
example of a well written README check out Hadoop:
http://jujucharms.com/charms/precise/hadoop
Use this as a Markdown reference if you need help with the formatting of this
README: http://askubuntu.com/editing-help
This charm provides [service][]. Add a description here of what the service
itself actually does.
Also remember to check the [icon guidelines][] so that your charm looks good
in the Juju GUI.
# Usage
Step by step instructions on using the charm:
juju deploy servicename
and so on. If you're providing a web service or something that the end user
needs to go to, tell them here, especially if you're deploying a service that
might listen to a non-default port.
You can then browse to http://ip-address to configure the service.
## Scale out Usage
If the charm has any recommendations for running at scale, outline them in
examples here. For example if you have a memcached relation that improves
performance, mention it here.
## Known Limitations and Issues
This not only helps users but gives people a place to start if they want to help
you add features to your charm.
# Configuration
The configuration options will be listed on the charm store, however If you're
making assumptions or opinionated decisions in the charm (like setting a default
administrator password), you should detail that here so the user knows how to
change it immediately, etc.
# Contact Information
Though this will be listed in the charm store itself don't assume a user will
know that, so include that information here:
## Upstream Project Name
- Upstream website
- Upstream bug tracker
- Upstream mailing list or contact information
- Feel free to add things if it's useful for users
[service]: http://example.com
[icon guidelines]: https://jujucharms.com/docs/stable/authors-charm-icon
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# vnfproxy
A [Juju](https://jujucharms.com/) charm layer. See [how it works](https://jujucharms.com/how-it-works) and the [Getting Started](https://jujucharms.com/docs/stable/developer-getting-started) page for more information about Juju and Charms.
[OSM](https://osm.etsi.org/) is an [ETSI](http://www.etsi.org/)-hosted project to develop an Open Source NFV Management and Orchestration (MANO) software stack aligned with ETSI NFV.
## Overview
The vnfproxy [layer](https://jujucharms.com/docs/stable/developer-layers) is intended for use by vendors who wish to integrate a VNF with OSM. The current release of OSM only supports a lightweight version of Juju charms, which we refer to as VNF Configuration or "proxy" charms.
This document will describe the steps necessary to create a charm for your VNF.
First, consider the diagram below:
```
+---------------------+ +---------------------+
| <----+ |
| Resource | | Service |
| Orchestrator (RO) +----> Orchestrator (SO) |
| | | |
+------------------+--+ +-------+----^--------+
| | |
| | |
| | |
+-----v-----+ +-v----+--+
| <-------+ |
| Virtual | | Proxy |
| Machine | | Charm |
| +-------> |
+-----------+ +---------+
```
The Virtual Machine (VM) is created by the Resource Orchestrator (RO), at the
request of the Service Orchestrator (SO). Once the VM has been created, a
"proxy charm" is deployed in order to facilitate operations between the SO and
your service running within the VM.
As such, a proxy charm will expose a number of actions -- also known as service primitives -- that are run by the SO. By default, the following actions are exposed:
```bash
actions
├── reboot
├── restart
├── run
├── start
├── stop
└── upgrade
```
Some actions, such as `run` and `reboot`, do not require any additional configuration. The rest, however, require you to implement the command(s) required to interact with your VNF.
A charm is composed of multiple layers of code. The layer you create for your VNF is the topmost layer. It will include the basic layer, which provides the framework for building reactive charms, and the vnfproxy layer, which adds functionality specific to operating and configuring VNFs. Finally, these layers are combined to form the charm you'll place inside your VNF Descriptor Package.
## Step 1: Create the layer for your proxy charm:
Create a new charm layer, substituting "myvnf" with the name of your VNF.
```bash
$ charm create myvnf
$ cd myvnf
```
Modify `layer.yaml` to the following:
```yaml
includes:
- layer:basic
- layer:vnfproxy
```
The `metadata.yaml` describes your service. It should look similar to the following:
```yaml
name: myvnf
summary: My VNF provides a specific virtualized network function.
maintainer: Adam Israel <adam.israel@canonical.com>
description: |
A longer description of your VNF and what it provides to users.
series:
- trusty
- xenial
tags:
- osm
- vnf
subordinate: false
```
### Actions (Service Primitives)
In Juju, Service Primitives are referred to as Actions. These are commands that will be executed on the VNF on request of the Service Orchestrator.
#### Defining Actions
Actions are defined through a yaml file called `actions.yaml` in the root directory of your charm. This file describes the action and the parameters it requires in order to execute.
```yaml
configure-server:
description: "Configure a thing"
params:
polling-interval:
type: int
description: "The interval, in seconds, to poll a thing."
default: 30
```
#### Implementing your Actions
We use executable files in the charm's `actions/` directory to invoke a reactive handler for your VNF logic. Each file should have the same name as the action you defined in `actions.yaml`.
Cut and paste the following into `actions/configure-server` and `chmod +x actions/configure-server`:
```bash
#!/usr/bin/env python3
import sys
sys.path.append('lib')
from charms.reactive import main
from charms.reactive import set_state
from charmhelpers.core.hookenv import action_fail, action_name
"""
`set_state` only works here because it's flushed to disk inside the `main()`
loop. remove_state will need to be called inside the action method.
"""
set_state('actions.{}'.format(action_name()))
try:
main()
except Exception as e:
action_fail(repr(e))
```
Next, we'll add the code that will be executed inside your VNF via the ssh credentials. Open `reactive/myvnf.py` and add the following reactive handler code:
```python
# Change configure-server to match the name of the action you want to execute.
@when('actions.configure-server')
def configure_server():
err = ''
try:
# Put the code here that you want to execute
cmd = ""
result, err = charms.sshproxy._run(cmd)
except:
action_fail('command failed:' + err)
else:
action_set({'output': result})
finally:
remove_flag('actions.start')
```
#### Default Actions (Service Primitives)
The vnfproxy layer defines several default actions that you may implement. If you choose not to implement these, the actions will do nothing.
Add the following code to `reactive/myvnf.py` and fill in the `cmd` variable with the command to be run on your VNF:
```python
@when('actions.start')
def start():
err = ''
try:
# Put the code here that you want to execute
cmd = ""
result, err = charms.sshproxy._run(cmd)
except:
action_fail('command failed:' + err)
else:
action_set({'output': result})
finally:
remove_flag('actions.start')
@when('actions.stop')
def stop():
err = ''
try:
# Enter the command to stop your service(s)
cmd = "service myname stop"
result, err = charms.sshproxy._run(cmd)
except:
action_fail('command failed:' + err)
else:
action_set({'output': result})
finally:
remove_flag('actions.stop')
@when('actions.restart')
def restart():
err = ''
try:
# Enter the command to restart your service(s)
cmd = "service myname restart"
result, err = charms.sshproxy._run(cmd)
except:
action_fail('command failed:' + err)
else:
action_set({'output': result})
finally:
remove_flag('actions.restart')
@when('actions.upgrade')
def upgrade_vnf():
"""Upgrade the software on the VNF.
This action is intended to be used to perform software upgrades on a running VNF.
"""
err = ''
try:
# Enter the command (s) to upgrade your VNF software
cmd = ""
result, err = charms.sshproxy._run(cmd)
except:
action_fail('command failed:' + err)
else:
action_set({'output': result})
finally:
remove_flag('actions.upgrade')
```
Rename `README.ex` to `README.md` and describe your application and its usage.
### Configuration
Charms support immutable configuration, defined by the `config.yaml` file. In the case of OSM, it's configuration is primarily driven through service primitives. Feel free to delete `config.yaml`.
### Metrics
Juju supports the polling of metrics. To do this, create the `metrics.yaml` file in the root directory of your charm, following the example below. The command specified will be executed inside your VNF; it should return a positive decimal number. The collected metrics will be made available to OSM, beginning with Release 3.
```yaml
metrics:
uptime:
type: gauge
description: "Seconds since the machine was rebooted."
command: awk '{print $1}' /proc/uptime
```
### Building your VNF charm
Once you've implemented your actions, you need to compile the various charm layers. From the charm's root directory:
```bash
$ charm build
```
This will combine all of the layers required by your VNF layer into a single charm, in the builds/ directory.
### VNF Descriptor Package
Copy the combined charm into the `charm` directory of your [VNF package]:
```
├── charm
│ └── myvnf
├── cloud_init
│ └── myvnf_cloud_init.cfg
├── icons
│ └── myvnf_logo.png
└── myvnf_vnfd.yaml
```
## Contact
Send an email to the OSM_TECH@list.etsi.org mailing list.
[VNF package]: https://osm.etsi.org/wikipub/index.php/Creating_your_own_VNF_package_(Release_TWO)
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##
# Copyright 2016 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.
##
"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."
"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."
"say-hello":
"description": "say hello to someone over the terminal"
"params":
"name":
"description": "the name"
"type": "string"
"default": "you"
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#!/usr/bin/env python3
##
# Copyright 2016 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.reactive import main, set_flag
from charmhelpers.core.hookenv import action_fail, action_name
"""
`set_state` only works here because it's flushed to disk inside the `main()`
loop. remove_state will need to be called inside the action method.
"""
set_flag('actions.{}'.format(action_name()))
try:
main()
except Exception as e:
action_fail(repr(e))
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#!/usr/bin/env python3
##
# Copyright 2016 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.reactive import main, set_flag
from charmhelpers.core.hookenv import action_fail, action_name
"""
`set_state` only works here because it's flushed to disk inside the `main()`
loop. remove_state will need to be called inside the action method.
"""
set_flag('actions.{}'.format(action_name()))
try:
main()
except Exception as e:
action_fail(repr(e))
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#!/usr/bin/env python3
import sys
sys.path.append('lib')
from charms.reactive import main, set_flag
from charmhelpers.core.hookenv import action_fail, action_name
set_flag('actions.{}'.format(action_name()))
try:
main()
except Exception as e:
action_fail(repr(e))
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#!/usr/bin/env python3
import sys
sys.path.append('lib')
from charms.reactive import main, set_flag
from charmhelpers.core.hookenv import action_fail, action_name
set_flag('actions.{}'.format(action_name()))
try:
main()
except Exception as e:
action_fail(repr(e))
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#!/usr/bin/env python3
##
# Copyright 2016 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.reactive import main, set_flag
from charmhelpers.core.hookenv import action_fail, action_name
"""
`set_state` only works here because it's flushed to disk inside the `main()`
loop. remove_state will need to be called inside the action method.
"""
set_flag('actions.{}'.format(action_name()))
try:
main()
except Exception as e:
action_fail(repr(e))
ubuntuvm_vnfmetric_autoscale_vnf/charms/testmetrics/actions/say-hello 0 → 100755
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− 0
View file @ 97e15c11
#!/usr/bin/env python3
import sys
sys.path.append('lib')
from charms.reactive import main
from charms.reactive import set_state
from charmhelpers.core.hookenv import action_fail, action_name
"""
`set_state` only works here because it's flushed to disk inside the `main()`
loop. remove_state will need to be called inside the action method.
"""
set_state('actions.{}'.format(action_name()))
try:
main()
except Exception as e:
action_fail(repr(e))
ubuntuvm_vnfmetric_autoscale_vnf/charms/testmetrics/actions/start 0 → 100755
+ 12
− 0
View file @ 97e15c11
#!/usr/bin/env python3
import sys
sys.path.append('lib')
from charms.reactive import main, set_flag
from charmhelpers.core.hookenv import action_fail, action_name
set_flag('actions.{}'.format(action_name()))
try:
main()
except Exception as e:
action_fail(repr(e))
ubuntuvm_vnfmetric_autoscale_vnf/charms/testmetrics/actions/stop 0 → 100755
+ 12
− 0
View file @ 97e15c11
#!/usr/bin/env python3
import sys
sys.path.append('lib')
from charms.reactive import main, set_flag
from charmhelpers.core.hookenv import action_fail, action_name
set_flag('actions.{}'.format(action_name()))
try:
main()
except Exception as e:
action_fail(repr(e))
ubuntuvm_vnfmetric_autoscale_vnf/charms/testmetrics/actions/upgrade 0 → 100755
+ 12
− 0
View file @ 97e15c11
#!/usr/bin/env python3
import sys
sys.path.append('lib')
from charms.reactive import main, set_flag
from charmhelpers.core.hookenv import action_fail, action_name
set_flag('actions.{}'.format(action_name()))
try:
main()
except Exception as e:
action_fail(repr(e))
ubuntuvm_vnfmetric_autoscale_vnf/charms/testmetrics/actions/verify-ssh-credentials 0 → 100755
+ 33
− 0
View file @ 97e15c11
#!/usr/bin/env python3
##
# Copyright 2016 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.reactive import main, set_flag
from charmhelpers.core.hookenv import action_fail, action_name
"""
`set_state` only works here because it's flushed to disk inside the `main()`
loop. remove_state will need to be called inside the action method.
"""
set_flag('actions.{}'.format(action_name()))
try:
main()
except Exception as e:
action_fail(repr(e))
ubuntuvm_vnfmetric_autoscale_vnf/charms/testmetrics/bin/charm-env 0 → 100755
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− 0
View file @ 97e15c11
#!/bin/bash
find_charm_dirs() {
# Hopefully, $JUJU_CHARM_DIR is set so which venv to use in unambiguous.
if [[ -n "$JUJU_CHARM_DIR" || -n "$CHARM_DIR" ]]; then
if [[ -z "$JUJU_CHARM_DIR" ]]; then
# accept $CHARM_DIR to be more forgiving
export JUJU_CHARM_DIR="$CHARM_DIR"
fi
if [[ -z "$CHARM_DIR" ]]; then
# set CHARM_DIR as well to help with backwards compatibility
export CHARM_DIR="$JUJU_CHARM_DIR"
fi
return
fi
# Try to guess the value for JUJU_CHARM_DIR by looking for a non-subordinate
# (because there's got to be at least one principle) charm directory;
# if there are several, pick the first by alpha order.
agents_dir="/var/lib/juju/agents"
if [[ -d "$agents_dir" ]]; then
non_subordinates="$(grep -L 'subordinate:.*true' "$agents_dir"/*/charm/metadata.yaml | wc -l)"
if [[ "$non_subordinates" -gt 1 ]]; then
>&2 echo 'Ambiguous possibilities for JUJU_CHARM_DIR; please run within a Juju hook context'
exit 1
elif [[ "$non_subordinates" -eq 1 ]]; then
for unit_dir in $(/bin/ls -d "$agents_dir/unit-"*); do
if grep -q 'subordinate:.*true' "$unit_dir/charm/metadata.yaml"; then
continue
fi
export JUJU_CHARM_DIR="$unit_dir/charm"
export CHARM_DIR="$JUJU_CHARM_DIR"
return
done
fi
fi
>&2 echo 'Unable to determine JUJU_CHARM_DIR; please run within a Juju hook context'
exit 1
}
try_activate_venv() {
if [[ -d "$JUJU_CHARM_DIR/../.venv" ]]; then
. "$JUJU_CHARM_DIR/../.venv/bin/activate"
fi
}
find_wrapped() {
PATH="${PATH/\/usr\/local\/sbin:}" which "$(basename "$0")"
}
find_charm_dirs
try_activate_venv
export PYTHONPATH="$JUJU_CHARM_DIR/lib:$PYTHONPATH"
if [[ "$(basename "$0")" == "charm-env" ]]; then
# being used as a shebang
exec "$@"
elif [[ "$0" == "$BASH_SOURCE" ]]; then
# being invoked as a symlink wrapping something to find in the venv
exec "$(find_wrapped)" "$@"
elif [[ "$(basename "$BASH_SOURCE")" == "charm-env" ]]; then
# being sourced directly; do nothing
/bin/true
else
# being sourced for wrapped bash helpers
. "$(find_wrapped)"
fi
ubuntuvm_vnfmetric_autoscale_vnf/charms/testmetrics/bin/layer_option 0 → 100755
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View file @ 97e15c11
#!/usr/bin/env python3
import sys
import argparse
from charms import layer
parser = argparse.ArgumentParser(description='Access layer options.')
parser.add_argument('section',
help='the section, or layer, the option is from')
parser.add_argument('option',
help='the option to access')
args = parser.parse_args()
value = layer.options.get(args.section, args.option)
if isinstance(value, bool):
sys.exit(0 if value else 1)
elif isinstance(value, list):
for val in value:
print(val)
else:
print(value)
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