Add CSAR shared library with CLI tool

Initial commit. Shared CSAR Python library with CLI tool

Change-Id: I121982cec5c839a47068907a1c4c2b379109a882
Issue-ID: VNFSDK-2
Signed-off-by: Krzysztof Frukacz <krzysztof.frukacz@gigaspaces.com>

12 files changed, 701 insertions, 0 deletions

diff --git a/COPYRIGHT b/COPYRIGHT
new file mode 100644
index 0000000..a420fad
--- /dev/null
+++ b/COPYRIGHT
@@ -0,0 +1,13 @@
+Copyright (c) 2016-2017 GigaSpaces Technologies 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.
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..37ec93a
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,191 @@
+Apache License
+Version 2.0, January 2004
+http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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+1. Definitions.
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+   you may not use this file except in compliance with the License.
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+   Unless required by applicable law or agreed to in writing, software
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diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..f16e167
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,30 @@
+#
+# Copyright (c) 2016 GigaSpaces Technologies 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.
+#
+
+PACKAGER_CLI=cli
+PACKAGER_LIB=packager
+
+
+.PHONY: clean requirements
+.DEFAULT_GOAL = requirements
+
+clean:
+	find . -type d -name '*.egg-info' -exec rm -rf {} \;
+	find . -type d -name '.coverage' -exec rm -rf {} \;
+	find . -type f -name '.coverage' -delete
+
+requirements:
+	pip install --upgrade --requirement "requirements.txt"
diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/__init__.py
diff --git a/assembly.xml b/assembly.xml
new file mode 100644
index 0000000..c569db1
--- /dev/null
+++ b/assembly.xml
@@ -0,0 +1,40 @@
+<!--
+Copyright (c) 2016-2017 GigaSpaces Technologies 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.
+-->
+<assembly
+    xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0" 
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0 http://maven.apache.org/xsd/assembly-1.1.0.xsd">
+    <id>vnfsdk</id>
+    <formats>
+        <format>zip</format>
+    </formats>
+    <fileSets>
+        <fileSet>
+            <includes>
+                <include>COPYRIGHT</include>
+                <include>LICENSE</include>
+                <include>setup.py</include>
+                <include>Makefile</include>
+                <include>cli/**</include>
+                <include>packager/**</include>
+            </includes>
+            <excludes>
+                <exclude>**/*.pyc</exclude>
+            </excludes>
+        </fileSet>
+    </fileSets>
+    <baseDirectory>.</baseDirectory>
+</assembly>
\ No newline at end of file
diff --git a/cli/__init__.py b/cli/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/cli/__init__.py
diff --git a/cli/__main__.py b/cli/__main__.py
new file mode 100644
index 0000000..125fff1
--- /dev/null
+++ b/cli/__main__.py
@@ -0,0 +1,112 @@
+#

+# Copyright (c) 2016-2017 GigaSpaces Technologies 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.

+#

+

+from packager import csar

+import logging

+import argparse

+from aria import install_aria_extensions

+import os

+import shutil

+import tempfile

+from aria.loading import LiteralLocation

+from aria.consumption import (

+    ConsumptionContext,

+    ConsumerChain,

+    Read,

+    Validate,

+    Model,

+    Instance

+)

+

+def csar_create_func(namespace):

+    csar.write(namespace.source,

+                        namespace.entry,

+                        namespace.destination,

+                        logging)

+def csar_open_func(namespace):

+    csar.read(namespace.source,

+                       namespace.destination,

+                       logging)

+def csar_validate_func(namespace):

+    workdir = tempfile.mkdtemp()

+    try:

+        reader = None

+        reader = csar.read(namespace.source,

+                           workdir,

+                           logging)

+        context = ConsumptionContext()

+        context.loading.prefixes += [os.path.join(reader.destination, 'definitions')]

+        context.presentation.location = LiteralLocation(reader.entry_definitions_yaml)

+        print reader.entry_definitions_yaml

+        chain = ConsumerChain(context, (Read, Validate, Model, Instance))

+        chain.consume()

+        if context.validation.dump_issues():

+            raise RuntimeError('Validation failed')

+        dumper = chain.consumers[-1]

+        dumper.dump()

+    finally:

+        shutil.rmtree(workdir, ignore_errors=True)

+

+

+def main():

+    """

+    CLI entry point

+    """

+    install_aria_extensions()

+

+    parser = argparse.ArgumentParser(description='VNF SDK CSAR manipulation tool')

+

+    subparsers = parser.add_subparsers(help='csar-create')

+    csar_create = subparsers.add_parser('csar-create')

+    csar_create.set_defaults(func=csar_create_func)

+    csar_create.add_argument('-v', '--verbose',

+            dest='verbosity',

+            action='count',

+            default=0,

+            help='Set verbosity level (can be passed multiple times)')

+    csar_create.add_argument(

+        'source',

+        help='Service template directory')

+    csar_create.add_argument(

+        'entry',

+        help='Entry definition file relative to service template directory')

+    csar_create.add_argument(

+        '-d', '--destination',

+        help='Output CSAR zip destination',

+        required=True)

+

+    csar_open = subparsers.add_parser('csar-open')

+    csar_open.set_defaults(func=csar_open_func)

+    csar_open.add_argument(

+        'source',

+        help='CSAR file location')

+    csar_open.add_argument(

+        '-d', '--destination',

+        help='Output directory to extract the CSAR into',

+        required=True)

+

+    csar_validate = subparsers.add_parser('csar-validate')

+    csar_validate.set_defaults(func=csar_validate_func)

+    csar_validate.add_argument(

+        'source',

+        help='CSAR file location')

+

+    args = parser.parse_args()

+    args.func(args)

+

+

+if __name__ == '__main__':

+    main()

diff --git a/packager/__init__.py b/packager/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/packager/__init__.py
diff --git a/packager/csar.py b/packager/csar.py
new file mode 100644
index 0000000..ebb3023
--- /dev/null
+++ b/packager/csar.py
@@ -0,0 +1,171 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more

+# contributor license agreements.  See the NOTICE file distributed with

+# this work for additional information regarding copyright ownership.

+# The ASF licenses this file to You 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 os

+import pprint

+import tempfile

+import zipfile

+

+import requests

+from ruamel import yaml # @UnresolvedImport

+

+

+META_FILE = 'TOSCA-Metadata/TOSCA.meta'

+META_FILE_VERSION_KEY = 'TOSCA-Meta-File-Version'

+META_FILE_VERSION_VALUE = '1.0'

+META_CSAR_VERSION_KEY = 'CSAR-Version'

+META_CSAR_VERSION_VALUE = '1.1'

+META_CREATED_BY_KEY = 'Created-By'

+META_CREATED_BY_VALUE = 'ARIA'

+META_ENTRY_DEFINITIONS_KEY = 'Entry-Definitions'

+BASE_METADATA = {

+    META_FILE_VERSION_KEY: META_FILE_VERSION_VALUE,

+    META_CSAR_VERSION_KEY: META_CSAR_VERSION_VALUE,

+    META_CREATED_BY_KEY: META_CREATED_BY_VALUE,

+}

+

+

+def write(source, entry, destination, logger):

+    source = os.path.expanduser(source)

+    destination = os.path.expanduser(destination)

+    entry_definitions = os.path.join(source, entry)

+    meta_file = os.path.join(source, META_FILE)

+    if not os.path.isdir(source):

+        raise ValueError('{0} is not a directory. Please specify the service template '

+                         'directory.'.format(source))

+    if not os.path.isfile(entry_definitions):

+        raise ValueError('{0} does not exists. Please specify a valid entry point.'

+                         .format(entry_definitions))

+    if os.path.exists(destination):

+        raise ValueError('{0} already exists. Please provide a path to where the CSAR should be '

+                         'created.'.format(destination))

+    if os.path.exists(meta_file):

+        raise ValueError('{0} already exists. This commands generates a meta file for you. Please '

+                         'remove the existing metafile.'.format(meta_file))

+    metadata = BASE_METADATA.copy()

+    metadata[META_ENTRY_DEFINITIONS_KEY] = entry

+    logger.debug('Compressing root directory to ZIP')

+    with zipfile.ZipFile(destination, 'w', zipfile.ZIP_DEFLATED) as f:

+        for root, _, files in os.walk(source):

+            for file in files:

+                file_full_path = os.path.join(root, file)

+                file_relative_path = os.path.relpath(file_full_path, source)

+                logger.debug('Writing to archive: {0}'.format(file_relative_path))

+                f.write(file_full_path, file_relative_path)

+        logger.debug('Writing new metadata file to {0}'.format(META_FILE))

+        f.writestr(META_FILE, yaml.dump(metadata, default_flow_style=False))

+

+

+class _CSARReader(object):

+

+    def __init__(self, source, destination, logger):

+        self.logger = logger

+        if os.path.isdir(destination) and os.listdir(destination):

+            raise ValueError('{0} already exists and is not empty. '

+                             'Please specify the location where the CSAR '

+                             'should be extracted.'.format(destination))

+        downloaded_csar = '://' in source

+        if downloaded_csar:

+            file_descriptor, download_target = tempfile.mkstemp()

+            os.close(file_descriptor)

+            self._download(source, download_target)

+            source = download_target

+        self.source = os.path.expanduser(source)

+        self.destination = os.path.expanduser(destination)

+        self.metadata = {}

+        try:

+            if not os.path.exists(self.source):

+                raise ValueError('{0} does not exists. Please specify a valid CSAR path.'

+                                 .format(self.source))

+            if not zipfile.is_zipfile(self.source):

+                raise ValueError('{0} is not a valid CSAR.'.format(self.source))

+            self._extract()

+            self._read_metadata()

+            self._validate()

+        finally:

+            if downloaded_csar:

+                os.remove(self.source)

+

+    @property

+    def created_by(self):

+        return self.metadata.get(META_CREATED_BY_KEY)

+

+    @property

+    def csar_version(self):

+        return self.metadata.get(META_CSAR_VERSION_KEY)

+

+    @property

+    def meta_file_version(self):

+        return self.metadata.get(META_FILE_VERSION_KEY)

+

+    @property

+    def entry_definitions(self):

+        return self.metadata.get(META_ENTRY_DEFINITIONS_KEY)

+

+    @property

+    def entry_definitions_yaml(self):

+        with open(os.path.join(self.destination, self.entry_definitions)) as f:

+            return yaml.load(f)

+

+    def _extract(self):

+        self.logger.debug('Extracting CSAR contents')

+        if not os.path.exists(self.destination):

+            os.mkdir(self.destination)

+        with zipfile.ZipFile(self.source) as f:

+            f.extractall(self.destination)

+        self.logger.debug('CSAR contents successfully extracted')

+

+    def _read_metadata(self):

+        csar_metafile = os.path.join(self.destination, META_FILE)

+        if not os.path.exists(csar_metafile):

+            raise ValueError('Metadata file {0} is missing from the CSAR'.format(csar_metafile))

+        self.logger.debug('CSAR metadata file: {0}'.format(csar_metafile))

+        self.logger.debug('Attempting to parse CSAR metadata YAML')

+        with open(csar_metafile) as f:

+            self.metadata.update(yaml.load(f))

+        self.logger.debug('CSAR metadata:\n{0}'.format(pprint.pformat(self.metadata)))

+

+    def _validate(self):

+        def validate_key(key, expected=None):

+            if not self.metadata.get(key):

+                raise ValueError('{0} is missing from the metadata file.'.format(key))

+            actual = str(self.metadata[key])

+            if expected and actual != expected:

+                raise ValueError('{0} is expected to be {1} in the metadata file while it is in '

+                                 'fact {2}.'.format(key, expected, actual))

+        validate_key(META_FILE_VERSION_KEY, expected=META_FILE_VERSION_VALUE)

+        validate_key(META_CSAR_VERSION_KEY, expected=META_CSAR_VERSION_VALUE)

+        validate_key(META_CREATED_BY_KEY)

+        validate_key(META_ENTRY_DEFINITIONS_KEY)

+        self.logger.debug('CSAR entry definitions: {0}'.format(self.entry_definitions))

+        entry_definitions_path = os.path.join(self.destination, self.entry_definitions)

+        if not os.path.isfile(entry_definitions_path):

+            raise ValueError('The entry definitions {0} referenced by the metadata file does not '

+                             'exist.'.format(entry_definitions_path))

+

+    def _download(self, url, target):

+        response = requests.get(url, stream=True)

+        if response.status_code != 200:

+            raise ValueError('Server at {0} returned a {1} status code'

+                             .format(url, response.status_code))

+        self.logger.info('Downloading {0} to {1}'.format(url, target))

+        with open(target, 'wb') as f:

+            for chunk in response.iter_content(chunk_size=8192):

+                if chunk:

+                    f.write(chunk)

+

+

+def read(source, destination, logger):

+    return _CSARReader(source=source, destination=destination, logger=logger)

diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..d87fe07
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0"?>
+<!--
+Copyright (c) 2016 GigaSpaces Technologies 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <packaging>pom</packaging>
+
+    <parent>
+        <groupId>org.openo.oparent</groupId>
+        <artifactId>oparent</artifactId>
+        <version>1.1.0-SNAPSHOT</version>
+        <relativePath>../oparent</relativePath>
+    </parent>
+
+    <groupId>org.openo.vnf-sdk-design-pkg</groupId>
+    <artifactId>vnfsdk</artifactId>
+
+    <name>vnf-sdk-design-pkg</name>
+    <description>CSAR manipulation shared library with CLI</description>
+
+    <build>
+      <plugins>
+        <plugin>
+            <artifactId>maven-assembly-plugin</artifactId>
+            <configuration>
+                <appendAssemblyId>false</appendAssemblyId>
+                <descriptors>
+                    <descriptor>assembly.xml</descriptor>
+                </descriptors>
+            </configuration>
+            <executions>
+                <execution>
+                    <id>make-assembly</id>
+                    <phase>package</phase>
+                    <goals>
+                        <goal>single</goal>
+                    </goals>
+                </execution>
+            </executions>
+        </plugin>
+      </plugins>
+    </build>
+</project>
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..416adda
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,11 @@
+ruamel.yaml==0.12.14
+requests
+logging
+clint==0.5.1
+CacheControl[filecache]==0.11.6
+lockfile
+Jinja2==2.8
+shortuuid==0.4.3
+jsonpickle
+ordereddict==1.1 ; python_version < '2.7'
+https://nexus.open-o.org/service/local/repositories/releases/content/org/openo/common-tosca/aria/aria/1.0.0/aria-1.0.0.zip
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..ae350cb
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,77 @@
+#!/usr/bin/env python

+

+#

+# Copyright (c) 2016-2017 GigaSpaces Technologies 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.

+#

+

+from setuptools import setup

+import sys

+

+if sys.version_info < (2, 7):

+    sys.exit('VNF SDK requires Python 2.7+')

+if sys.version_info >= (3, 0):

+    sys.exit('VNF SDK does not support Python 3')

+

+setup(

+    name='vnfsdk',

+    version='0.1',

+    description='VNF SDK CSAR package tool',

+    license='Apache License Version 2.0',

+

+    author='GigaSpaces',

+    author_email='info@gigaspaces.com',

+

+    url='http://open-o.org/',

+

+    classifiers=[

+        'Development Status :: 4 - Beta',

+        'Environment :: Console',

+        'Environment :: Web Environment',

+        'Intended Audience :: Developers',

+        'Intended Audience :: System Administrators',

+        'License :: OSI Approved :: Apache Software License',

+        'Operating System :: OS Independent',

+        'Programming Language :: Python',

+        'Topic :: Software Development :: Libraries :: Python Modules',

+        'Topic :: System :: Networking',

+        'Topic :: System :: Systems Administration'],

+

+    packages=[

+        'packager',

+        'cli'

+    ],

+

+    package_dir={

+        'packager': 'packager',

+        'cli': 'cli',

+    },

+

+    entry_points={

+        'console_scripts': [

+            'vnfsdk = cli.__main__:main']

+    },

+    # Please make sure this is in sync with src/aria/requirements.txt

+    install_requires=[

+        'ruamel.yaml==0.12.14',

+        'requests',

+        'logging',

+        'clint==0.5.1',

+        'CacheControl[filecache]==0.11.6',

+        'lockfile',

+        'Jinja2==2.8',

+        'shortuuid==0.4.3',

+        'jsonpickle',

+        'aria == 0.1'])

+