diff options
Diffstat (limited to 'yang2tosca')
| -rw-r--r-- | yang2tosca/tosca_transformer.xslt | 165 | ||||
| -rw-r--r-- | yang2tosca/tosca_translator.py | 62 |
2 files changed, 227 insertions, 0 deletions
diff --git a/yang2tosca/tosca_transformer.xslt b/yang2tosca/tosca_transformer.xslt new file mode 100644 index 0000000..c8953ac --- /dev/null +++ b/yang2tosca/tosca_transformer.xslt @@ -0,0 +1,165 @@ +<!-- 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. +--> +<xsl:stylesheet version="1.0" xmlns:ns="urn:ietf:params:xml:ns:yang:yin:1" xmlns:y="urn:ietf:params:xml:ns:yang:ietf-vdus" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" exclude-result-prefixes="t"> +<xsl:output indent="no" method ="text"/> + +<xsl:variable name="tosca_general"> + <entry key="tosca_definitions_version">tosca_definitions_version:tosca_simple_yaml_1_0_0</entry> + <entry key="tosca_default_namespace">tosca_default_namespace:tosca_simple_yaml_1_0_0</entry> + <entry key="template_name">template_name:</entry> + <entry key="description">description:</entry> + <entry key="template_author">template_author:</entry> + <entry key="template_version">template_version:</entry> + <entry key="derived">derived_from:tosca.nodes.Root</entry> + <entry key="import">import:</entry> +</xsl:variable> +<xsl:variable name="nodeTypes"> + <entry key="generalvdus">type:tosca.nodes.general.vdus</entry> + <entry key="compute">type:tosca.nodes.compute</entry> + <entry key="storage">type:tosca.nodes.block.Storage</entry> + <entry key="network">type:tosca.nodes.network</entry> + <entry key="security">type:tosca.nodes.security</entry> + <entry key="policy">type:tosca.nodes.policy</entry> +</xsl:variable> + +<xsl:template match="ns:module"> +<xsl:value-of select="concat(document('')//xsl:variable[@name='tosca_general']/entry[@key='tosca_definitions_version'] ,'
')" /> +<xsl:value-of select="concat(document('')//xsl:variable[@name='tosca_general']/entry[@key='description'],'
	',ns:description/node()/text(),'
')" /> +<xsl:value-of select="concat(document('')//xsl:variable[@name='tosca_general']/entry[@key='import'],'
	',ns:import/@module,'
')" /> +metadata: + ID:<xsl:value-of select="@name"/> + Vendor:<xsl:value-of select="ns:organization/node()/text()"/> + +<xsl:for-each select="ns:container"> +dsl_definitions:<xsl:for-each select="ns:list"> + compute_props_host_<xsl:value-of select="@name"/>:<text disable-output-escaping="yes"><![CDATA[&]]>compute_props_host_</text><xsl:value-of select="@name"/> + <xsl:for-each select="ns:container"><xsl:if test="@name = 'resource'"><xsl:for-each select="ns:container"><xsl:if test="@name = 'cpu'"><xsl:variable name="num_cpu" select="ns:leaf/ns:type/ns:range/@value"/> + num_cpu:<xsl:value-of select="$num_cpu"/> + </xsl:if> + <xsl:if test="@name='memory'"> + <xsl:variable name="memory" select="ns:leaf/ns:type/ns:range/@value"/> + mem_size:<xsl:value-of select="$memory"></xsl:value-of> + </xsl:if> + </xsl:for-each> + </xsl:if> + </xsl:for-each> + </xsl:for-each> +node_types:<xsl:for-each select="ns:list"> + tosca.nodes.compute.<xsl:value-of select="@name"/>: + derived_from:tosca.nodes.compute +</xsl:for-each> +topology_template: + # a description of the topology template + description:> + <xsl:value-of select="ns:description/node()/text()"/> + inputs: + storage_size: + type:scalar-unit.size<xsl:for-each select="ns:list"><xsl:if test="@name = 'ellis'"> + <xsl:for-each select="ns:container"><xsl:if test="@name = 'resource'"><xsl:for-each select="ns:container"><xsl:if test="@name = 'disk'"> + default:<xsl:value-of select="ns:leaf/ns:type/ns:range/@value"/> + description:<xsl:value-of select="ns:description/node()/text()"/> + </xsl:if></xsl:for-each></xsl:if></xsl:for-each> + </xsl:if></xsl:for-each> + storage_location: + type:string + description:> + Block storage mount point (filesystem path). + node_templates:<xsl:for-each select="ns:list"> + <xsl:text>
		</xsl:text> + <xsl:value-of select="@name"/>: + type:tosca.nodes.Compute + capabilities: + os: + properties: + architecture: + type: + distribution: + version: + host: + properties:*compute_props_host_<xsl:value-of select="@name"/> + scalable: + properties: + min_instances:<xsl:for-each select="ns:leaf"><xsl:if test="@name = 'instance-num'"> + <xsl:value-of select="ns:default/@value"/> + </xsl:if></xsl:for-each> + default_instances:<xsl:for-each select="ns:leaf"><xsl:if test="@name = 'instance-num'"> + <xsl:value-of select="ns:default/@value"/> + </xsl:if></xsl:for-each> + requirements: + - local_storage: + node:<xsl:value-of select="@name"/>_BlockStorage + relationship: + type:AttachesTo + properties: + location:{ get_input:storage_location } + interfaces: + Standard:<xsl:for-each select="ns:container"> + <xsl:if test="@name = 'workflow-script'"> + <xsl:for-each select="ns:leaf"> + <xsl:choose> + <xsl:when test="@name = 'init'"> + start: + implementation:<xsl:value-of select="ns:default/@value"/> + </xsl:when> + <xsl:when test="@name='terminate'"> + delete: + implementaion:<xsl:value-of select="ns:default/@value"/> + </xsl:when> + <xsl:when test="@name='graceful-shutdown'"> + stop: + implementaion:<xsl:value-of select="ns:default/@value"/> + </xsl:when> + </xsl:choose> + </xsl:for-each> + </xsl:if> + </xsl:for-each> + <xsl:text>
		</xsl:text> + <xsl:variable name="vdu" select = "@name"/> + <xsl:value-of select="$vdu"/>_BlockStorage: + type:tosca.nodes.BlockStorage + properties: + size:{ get_input:storage_size }</xsl:for-each><xsl:for-each select="ns:list"><xsl:for-each select="ns:container"><xsl:if test="@name = 'resource'"><xsl:for-each select="ns:container"> + <xsl:if test="@name='vnic'"> + <xsl:variable name="vnic" select="ns:leaf/ns:type/ns:range/@value"/> + <xsl:call-template name="nic.loop"> + <xsl:with-param name="from" select="1"/> + <xsl:with-param name="to" select="$vnic"/> + </xsl:call-template> + </xsl:if> + </xsl:for-each> + </xsl:if> + </xsl:for-each> + </xsl:for-each> +</xsl:for-each> +</xsl:template> +<xsl:template name="nic.loop"> +<xsl:param name="from"/> + <xsl:param name="to"/> + <xsl:if test="$from <= $to"> + <xsl:text>
	</xsl:text> + <xsl:value-of select="../../../@name"/>_network<xsl:value-of select="$from"/>: + type:tosca.nodes.network.Network + properties: + ip_version:4 + <xsl:value-of select="../../@name"/>_port<xsl:value-of select="$from"/>: + type:tosca.nodes.network.Port + requirements: + - binding: + node:<xsl:value-of select="../../@name"/> + - link: + node:<xsl:value-of select="../../../@name"/>_network<xsl:value-of select="$from"/> + <xsl:call-template name="nic.loop"> + <xsl:with-param name="from" select="$from + 1"/> + <xsl:with-param name="to" select="$to"/> + </xsl:call-template> +</xsl:if> +</xsl:template> +</xsl:stylesheet> diff --git a/yang2tosca/tosca_translator.py b/yang2tosca/tosca_translator.py new file mode 100644 index 0000000..afbb3a1 --- /dev/null +++ b/yang2tosca/tosca_translator.py @@ -0,0 +1,62 @@ +# 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 os +import sys +import getopt +import argparse +from lxml import etree + + +def tosca_translator(file_name): + if os.path.exists(file_name): + var = file_name + file_format = var.split('.') + if len(file_format) == 2: + if file_format[1] == 'yaml' or file_format[1] == 'yang': + print("Its a yaml file") + os.system('pyang -f yin '+var + ' -o ' + file_format[0]+'.xml') + elif file_format[1] == 'xml': + print ("Its a "+file_format[1]+" file") + + else: + print ("File format not supported exiting script.") + exit() + else: + print ("File format not supported exiting script.") + exit() + tree = etree.parse(file_format[0]+'.xml') + + doc = tree.getroot() + + xslt_root = etree.parse('tosca_transformer.xslt') + + transform = etree.XSLT(xslt_root) + + result_tree = transform(doc) + output_file = file_format[0]+'_tosca.yaml' + + f = open(output_file, "w") + f.write(str(result_tree)) + f.close() + print ("TOSCA file generated with name "+output_file) + else: + print ("File does not exist, exiting the script") + exit() +if __name__ == '__main__': + parser = argparse.ArgumentParser(add_help=True) + parser.add_argument('-n', '--filename', dest='filename', required=True, + help='Please enter the YANG file name: ') + args = parser.parse_args() + file_name = str(args.filename) + tosca_translator(file_name) |