Thomas Vachuska | aab45d1 | 2018-06-05 16:39:46 -0700 | [diff] [blame^] | 1 | """ |
| 2 | Copyright 2018-present Open Networking Foundation |
| 3 | |
| 4 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | you may not use this file except in compliance with the License. |
| 6 | You may obtain a copy of the License at |
| 7 | |
| 8 | http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | Unless required by applicable law or agreed to in writing, software |
| 11 | distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | See the License for the specific language governing permissions and |
| 14 | limitations under the License. |
| 15 | """ |
| 16 | |
| 17 | load("//tools/build/bazel:generate_workspace.bzl", "COMPILE", "TEST", "maven_coordinates") |
| 18 | load("//tools/build/bazel:variables.bzl", "ONOS_VERSION", "ONOS_GROUP_ID") |
| 19 | |
| 20 | def dump(obj): |
| 21 | for attr in dir(obj): |
| 22 | print("obj.%s = %r" % (attr, getattr(obj, attr))) |
| 23 | |
| 24 | # Implementation of a rule to produce an OSGi feature XML snippet |
| 25 | def _osgi_feature_impl(ctx): |
| 26 | output = ctx.outputs.feature_xml |
| 27 | |
| 28 | args = [ "-O", output.path, |
| 29 | "-n", ctx.attr.name, |
| 30 | "-v", ctx.attr.version, |
| 31 | "-t", ctx.attr.description, |
| 32 | ] |
| 33 | |
| 34 | inputs = [] |
| 35 | for dep in ctx.attr.included_bundles: |
| 36 | args += [ "-b", maven_coordinates(dep.label) ] |
| 37 | for f in dep.java.outputs.jars: |
| 38 | inputs += [ f.class_jar ] |
| 39 | |
| 40 | for dep in ctx.attr.excluded_bundles: |
| 41 | args += [ "-e", maven_coordinates(dep.label) ] |
| 42 | for f in dep.java.outputs.jars: |
| 43 | inputs += [ f.class_jar ] |
| 44 | |
| 45 | for f in ctx.attr.required_features: |
| 46 | args += [ "-f", f ] |
| 47 | |
| 48 | args += [ "-F" if ctx.attr.generate_file else "-E" ] |
| 49 | |
| 50 | ctx.actions.run( |
| 51 | inputs = inputs, |
| 52 | outputs = [ output ], |
| 53 | arguments = args, |
| 54 | progress_message = "Generating feature %s" % ctx.attr.name, |
| 55 | executable = ctx.executable._writer |
| 56 | ) |
| 57 | |
| 58 | osgi_feature = rule( |
| 59 | attrs = { |
| 60 | "description": attr.string(), |
| 61 | "version": attr.string(default = ONOS_VERSION), |
| 62 | "required_features": attr.string_list(default = [ "onos-api" ]), |
| 63 | "included_bundles": attr.label_list(), |
| 64 | "excluded_bundles": attr.label_list(default = []), |
| 65 | "generate_file": attr.bool(default = False), |
| 66 | "_writer": attr.label(executable=True, cfg="host", allow_files=True, |
| 67 | default=Label("//tools/build/bazel:onos_app_writer")), |
| 68 | }, |
| 69 | outputs = { |
| 70 | "feature_xml": "feature-%{name}.xml", |
| 71 | }, |
| 72 | implementation = _osgi_feature_impl, |
| 73 | ) |
| 74 | |
| 75 | # OSGi feature XML header & footer constants |
| 76 | FEATURES_HEADER = '''\ |
| 77 | <?xml version="1.0" encoding="UTF-8" standalone="yes"?> |
| 78 | <features xmlns="http://karaf.apache.org/xmlns/features/v1.2.0" |
| 79 | name="onos-%s"> |
| 80 | <repository>mvn:org.apache.karaf.features/standard/3.0.8/xml/features</repository> |
| 81 | ''' % ONOS_VERSION |
| 82 | |
| 83 | FEATURES_FOOTER = '</features>' |
| 84 | |
| 85 | # Implementation of a rule to produce an OSGi feature repo XML file |
| 86 | def _osgi_feature_repo_impl(ctx): |
| 87 | output = ctx.outputs.feature_repo_xml |
| 88 | |
| 89 | cmd = "(echo '%s';" % FEATURES_HEADER |
| 90 | inputs = [] |
| 91 | for dep in ctx.attr.exported_features: |
| 92 | for f in dep.files.to_list(): |
| 93 | inputs += [ f ] |
| 94 | cmd += "cat %s;" % f.path |
| 95 | cmd += "echo '%s') > %s;" % (FEATURES_FOOTER, output.path) |
| 96 | |
| 97 | ctx.actions.run_shell( |
| 98 | inputs = inputs, |
| 99 | outputs = [ output ], |
| 100 | progress_message = "Generating feature repo %s" % ctx.attr.name, |
| 101 | command = cmd, |
| 102 | ) |
| 103 | |
| 104 | osgi_feature_repo = rule( |
| 105 | attrs = { |
| 106 | "description": attr.string(), |
| 107 | "version": attr.string(default = ONOS_VERSION), |
| 108 | "exported_features": attr.label_list(), |
| 109 | }, |
| 110 | outputs = { |
| 111 | "feature_repo_xml": "feature-repo-%{name}.xml", |
| 112 | }, |
| 113 | implementation = _osgi_feature_repo_impl, |
| 114 | ) |