296705a0a5
- Spyglass skelton with engine, site processor - Spyglass data extractor with formation plugin - Docker files and scripts to run spyglass
80 lines
3.2 KiB
Python
80 lines
3.2 KiB
Python
# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import pkg_resources
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import os
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from jinja2 import Environment
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from jinja2 import FileSystemLoader
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from .base import BaseProcessor
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LOG = logging.getLogger(__name__)
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class SiteProcessor(BaseProcessor):
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def __init__(self, intermediary_yaml, manifest_dir):
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self.yaml_data = intermediary_yaml
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self.manifest_dir = manifest_dir
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def render_template(self):
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""" The method renders network config yaml from j2 templates.
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Network configs common to all racks (i.e oam, overlay, storage,
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calico) are generated in a single file. Rack specific
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configs( pxe and oob) are generated per rack.
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"""
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# Check of manifest_dir exists
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if self.manifest_dir is not None:
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site_manifest_dir = self.manifest_dir + '/pegleg_manifests/site/'
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else:
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site_manifest_dir = 'pegleg_manifests/site/'
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LOG.info("Site manifest output dir:{}".format(site_manifest_dir))
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template_software_dir = pkg_resources.resource_filename(
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'spyglass', 'templates/')
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template_dir_abspath = os.path.dirname(template_software_dir)
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LOG.debug("Template Path:%s", template_dir_abspath)
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for dirpath, dirs, files in os.walk(template_dir_abspath):
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for filename in files:
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j2_env = Environment(
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autoescape=False,
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loader=FileSystemLoader(dirpath),
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trim_blocks=True)
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j2_env.filters[
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'get_role_wise_nodes'] = self.get_role_wise_nodes
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templatefile = os.path.join(dirpath, filename)
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outdirs = dirpath.split('templates')[1]
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outfile_path = '{}{}{}'.format(
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site_manifest_dir, self.yaml_data['region_name'], outdirs)
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outfile_yaml = templatefile.split('.j2')[0].split('/')[-1]
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outfile = outfile_path + '/' + outfile_yaml
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outfile_dir = os.path.dirname(outfile)
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if not os.path.exists(outfile_dir):
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os.makedirs(outfile_dir)
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template_j2 = j2_env.get_template(filename)
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try:
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out = open(outfile, "w")
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template_j2.stream(data=self.yaml_data).dump(out)
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LOG.info("Rendering {}".format(outfile_yaml))
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out.close()
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except IOError as ioe:
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LOG.error(
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"IOError during rendering:{}".format(outfile_yaml))
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raise SystemExit(
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"Error when generating {:s}:\n{:s}".format(
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outfile, ioe.strerror))
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