99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
/*
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* Copyright (C) 2021 The Android Open Source Project
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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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*/
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#include <android-base/logging.h>
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#include <fruit/fruit.h>
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#include <iostream>
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#include "common/libs/utils/network.h"
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#include "common/libs/utils/result.h"
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#include "host/libs/config/cuttlefish_config.h"
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#include "host/libs/config/feature.h"
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#include "host/libs/vm_manager/host_configuration.h"
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namespace cuttlefish {
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namespace {
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using vm_manager::ValidateHostConfiguration;
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class ValidateTapDevices : public SetupFeature {
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public:
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INJECT(ValidateTapDevices(const CuttlefishConfig::InstanceSpecific& instance))
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: instance_(instance) {}
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std::string Name() const override { return "ValidateTapDevices"; }
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bool Enabled() const override { return true; }
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private:
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std::unordered_set<SetupFeature*> Dependencies() const override { return {}; }
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Result<void> ResultSetup() override {
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auto taps = TapInterfacesInUse();
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auto wifi = instance_.wifi_tap_name();
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CF_EXPECT(taps.count(wifi) == 0, "Device \"" << wifi << "\" in use");
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auto mobile = instance_.mobile_tap_name();
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CF_EXPECT(taps.count(mobile) == 0, "Device \"" << mobile << "\" in use");
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auto eth = instance_.ethernet_tap_name();
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CF_EXPECT(taps.count(eth) == 0, "Device \"" << eth << "\" in use");
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return {};
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}
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private:
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const CuttlefishConfig::InstanceSpecific& instance_;
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};
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class ValidateHostConfigurationFeature : public SetupFeature {
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public:
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INJECT(ValidateHostConfigurationFeature()) {}
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bool Enabled() const override {
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#ifndef __ANDROID__
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return true;
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#else
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return false;
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#endif
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}
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std::string Name() const override { return "ValidateHostConfiguration"; }
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private:
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std::unordered_set<SetupFeature*> Dependencies() const override { return {}; }
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bool Setup() override {
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// Check host configuration
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std::vector<std::string> config_commands;
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if (!ValidateHostConfiguration(&config_commands)) {
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LOG(ERROR) << "Validation of user configuration failed";
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std::cout << "Execute the following to correctly configure:" << std::endl;
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for (auto& command : config_commands) {
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std::cout << " " << command << std::endl;
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}
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std::cout << "You may need to logout for the changes to take effect"
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<< std::endl;
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return false;
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}
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return true;
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}
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};
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} // namespace
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fruit::Component<fruit::Required<const CuttlefishConfig::InstanceSpecific>>
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validationComponent() {
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return fruit::createComponent()
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.addMultibinding<SetupFeature, ValidateHostConfigurationFeature>()
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.addMultibinding<SetupFeature, ValidateTapDevices>();
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}
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} // namespace cuttlefish
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