def _template_with_ytt_renderer(self, username, access_token, ignore_empty_access_token=False, extra_inject_source=None): try: # 组装注入的参数 bcs_inject_data = bcs_helm_utils.BCSInjectData( source_type="helm", creator=self.creator, updator=username, version=self.release.chartVersionSnapshot.version, project_id=self.project_id, app_id=get_cc_app_id(access_token, self.project_id), cluster_id=self.cluster_id, namespace=self.namespace, stdlog_data_id=bcs_helm_utils.get_stdlog_data_id( self.project_id), image_pull_secret=bcs_helm_utils.provide_image_pull_secrets( self.namespace), ) content, notes = self.release.render( namespace=self.namespace, bcs_inject_data=bcs_inject_data) content = str(content, encoding="utf-8") except helm_exceptions.HelmBaseException as e: logger.error("helm render failed, %s", str(e)) return None, None except Exception as e: logger.exception("render app failed, %s", str(e)) return None, None return content, notes
def create(self, validated_data): """ 生成应用的预览数据,这个时候应用没有创建,release也没有创建 """ namespace_info = self.get_ns_info_by_id(validated_data["namespace_info"]) cluster_id = namespace_info["cluster_id"] check_cluster_perm( user=self.context["request"].user, project_id=namespace_info["project_id"], cluster_id=cluster_id, request=self.context["request"], ) # prepare parameters parameters = merge_rancher_answers(validated_data["get_answers"], validated_data["get_customs"]) valuefile = get_valuefile_with_bcs_variable_injected( access_token=self.context["request"].user.token.access_token, project_id=namespace_info["project_id"], namespace_id=namespace_info["id"], valuefile=validated_data["valuefile"], cluster_id=cluster_id, ) # inject bcs info now = datetime.datetime.now() username = self.context["request"].user.username # 组装注入的参数 bcs_inject_data = bcs_helm_utils.BCSInjectData( source_type="helm", creator=username, updator=username, version=validated_data["chart_version"].version, project_id=self.project_id, app_id=self.context["request"].project.cc_app_id, cluster_id=cluster_id, namespace=namespace_info["name"], stdlog_data_id=bcs_helm_utils.get_stdlog_data_id(self.project_id), image_pull_secret=bcs_helm_utils.provide_image_pull_secrets(namespace_info["name"]), ) client = KubeHelmClient(helm_bin=settings.HELM3_BIN) try: extra_params = {"cmd_flags": validated_data["cmd_flags"]} content, notes = client.template_with_ytt_renderer( files=validated_data["chart_version"].files, namespace=namespace_info["name"], name=validated_data.get("name"), parameters=parameters, valuefile=valuefile, cluster_id=cluster_id, bcs_inject_data=bcs_inject_data, **extra_params ) except helm_exceptions.HelmBaseException: # raise ParseError(str(e)) # NOTE: 现阶段为防止出现未测试到的情况,允许出错时,按照先前流程渲染;后续删除 content, notes = _template_with_bcs_renderer( client, validated_data["chart_version"].files, validated_data.get("name"), namespace_info["name"], namespace_info["id"], parameters, valuefile, cluster_id, username, now, validated_data["chart_version"].version, self.access_token, self.project_id, ) return {"content": preview_parse(content, namespace_info["name"]), "notes": notes}
def create(self, validated_data): """ 应用更新时的预览数据,这个时候目标release还没有创建 """ instance = App.objects.get(id=self.app_id) check_cluster_perm( user=self.context["request"].user, project_id=instance.project_id, cluster_id=instance.cluster_id, request=self.context["request"], ) # 标记Chart中的values.yaml是否发生变化,用于提醒用户 chart_version_changed = False # prepare parameters parameters = merge_rancher_answers(validated_data["get_answers"], validated_data["get_customs"]) chart_version_id = validated_data["upgrade_verion"] chart_version_id = int(chart_version_id) if chart_version_id == KEEP_TEMPLATE_UNCHANGED: files = instance.release.chartVersionSnapshot.files else: chart_version_changed = True chart_version = ChartVersion.objects.get(id=chart_version_id) files = chart_version.files valuefile = get_valuefile_with_bcs_variable_injected( access_token=self.context["request"].user.token.access_token, project_id=instance.project_id, namespace_id=instance.namespace_id, valuefile=validated_data["valuefile"], cluster_id=instance.cluster_id, ) now = datetime.datetime.now() username = self.context["request"].user.username # 组装注入的参数 bcs_inject_data = bcs_helm_utils.BCSInjectData( source_type="helm", creator=username, updator=username, version=instance.release.chartVersionSnapshot.version, project_id=self.project_id, app_id=self.context["request"].project.cc_app_id, cluster_id=instance.cluster_id, namespace=instance.namespace, stdlog_data_id=bcs_helm_utils.get_stdlog_data_id(self.project_id), image_pull_secret=bcs_helm_utils.provide_image_pull_secrets(instance.namespace), ) # 默认为使用helm3 client client = KubeHelmClient(helm_bin=settings.HELM3_BIN) try: content, notes = client.template_with_ytt_renderer( files=files, namespace=instance.namespace, name=instance.name, parameters=parameters, valuefile=valuefile, cluster_id=instance.cluster_id, bcs_inject_data=bcs_inject_data, ) except helm_exceptions.HelmBaseException: # raise ParseError(str(e)) # NOTE: 现阶段为防止出现未测试到的情况,允许出错时,按照先前流程渲染;后续删除 content, notes = _template_with_bcs_renderer( client, files, instance.name, instance.namespace, instance.namespace_id, parameters, valuefile, instance.cluster_id, username, now, instance.release.chartVersionSnapshot.version, self.access_token, instance.project_id, ) # compute diff old_content = instance.release.content if not old_content: old_content, _ = instance.render_app( username=self.context["request"].user.username, access_token=self.access_token ) difference = simple_diff(old_content, content, instance.namespace) return { "content": preview_parse(content, instance.namespace), "notes": notes, "difference": difference, "chart_version_changed": chart_version_changed, "old_content": old_content, "new_content": content, }
def _run_with_helm(self, client, name, namespace, operation): transitioning_result = True try: if operation in [ ChartOperations.INSTALL.value, ChartOperations.UPGRADE.value ]: project_id = self.app.project_id namespace = self.app.namespace bcs_inject_data = bcs_helm_utils.BCSInjectData( source_type="helm", creator=self.app.creator, updator=self.app.updator, version=self.app.release.chartVersionSnapshot.version, project_id=project_id, app_id=get_cc_app_id(self.access_token, project_id), cluster_id=self.app.cluster_id, namespace=namespace, stdlog_data_id=bcs_helm_utils.get_stdlog_data_id( project_id), image_pull_secret=bcs_helm_utils. provide_image_pull_secrets(namespace)) # 追加系统和用户渲染的变量 values_with_bcs_variables = get_valuefile_with_bcs_variable_injected( access_token=self.access_token, project_id=project_id, namespace_id=self.app.namespace_id, valuefile=self.app.release.valuefile, cluster_id=self.app.cluster_id, ) # 获取执行的操作命令 cmd_out = getattr(client, operation)( name=name, namespace=namespace, files=self.app.release.chartVersionSnapshot.files, chart_values=values_with_bcs_variables, bcs_inject_data=bcs_inject_data, cmd_flags=json.loads(self.app.cmd_flags))[0] self.app.release.revision = self.get_release_revision(cmd_out) self.app.release.save() elif operation == ChartOperations.UNINSTALL.value: client.uninstall(name, namespace) elif operation == ChartOperations.ROLLBACK.value: client.rollback(name, namespace, self.app.release.revision) except HelmExecutionError as e: transitioning_result = False transitioning_message = ( "helm command execute failed.\n" "Error code: {error_no}\nOutput:\n{output}").format( error_no=e.error_no, output=e.output) logger.warn(transitioning_message) except HelmError as e: err_msg = str(e) logger.warn(err_msg) # TODO: 现阶段针对删除release找不到的情况,认为是正常的 if "not found" in err_msg and operation == ChartOperations.UNINSTALL.value: transitioning_result = True transitioning_message = "app success %s" % operation else: transitioning_result = False transitioning_message = err_msg except Exception as e: err_msg = str(e) transitioning_result = False logger.warning(err_msg) transitioning_message = self.collect_transitioning_error_message(e) else: transitioning_result = True transitioning_message = "app success %s" % operation self.app.set_transitioning(transitioning_result, transitioning_message)