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| 1 | +// Copyright 2025 Google LLC |
| 2 | +// |
| 3 | +// Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +// you may not use this file except in compliance with the License. |
| 5 | +// You may obtain a copy of the License at |
| 6 | +// |
| 7 | +// https://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +// |
| 9 | +// Unless required by applicable law or agreed to in writing, software |
| 10 | +// distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +// See the License for the specific language governing permissions and |
| 13 | +// limitations under the License. |
| 14 | + |
| 15 | +#include "google/cloud/storagecontrol/v2/storage_control_client.h" |
| 16 | +#include "google/cloud/internal/getenv.h" |
| 17 | +#include "google/cloud/testing_util/example_driver.h" |
| 18 | +#include <google/storage/control/v2/storage_control.pb.h> |
| 19 | +#include <string> |
| 20 | +#include <utility> |
| 21 | +#include <vector> |
| 22 | + |
| 23 | +namespace { |
| 24 | + |
| 25 | +void CreateAnywhereCache( |
| 26 | + google::cloud::storagecontrol_v2::StorageControlClient client, |
| 27 | + std::vector<std::string> const& argv) { |
| 28 | + // [START storage_control_create_anywhere_cache] |
| 29 | + namespace storagecontrol = google::cloud::storagecontrol_v2; |
| 30 | + [](storagecontrol::StorageControlClient client, |
| 31 | + std::string const& bucket_name, std::string const& cache_name, |
| 32 | + std::string const& zone_name) { |
| 33 | + google::storage::control::v2::AnywhereCache cache; |
| 34 | + cache.set_name(cache_name); |
| 35 | + cache.set_zone(zone_name); |
| 36 | + |
| 37 | + google::storage::control::v2::CreateAnywhereCacheRequest request; |
| 38 | + request.set_parent(std::string{"projects/_/buckets/"} + bucket_name); |
| 39 | + *request.mutable_anywhere_cache() = cache; |
| 40 | + |
| 41 | + // Start a create operation and block until it completes. Real applications |
| 42 | + // may want to setup a callback, wait on a coroutine, or poll until it |
| 43 | + // completes. |
| 44 | + auto anywhere_cache = client.CreateAnywhereCache(request).get(); |
| 45 | + if (!anywhere_cache) throw std::move(anywhere_cache).status(); |
| 46 | + std::cout << "Created anywhere cache: " << anywhere_cache->name() << "\n"; |
| 47 | + } |
| 48 | + // [END storage_control_create_anywhere_cache] |
| 49 | + (std::move(client), argv.at(0), argv.at(1), argv.at(2)); |
| 50 | +} |
| 51 | + |
| 52 | +void GetAnywhereCache( |
| 53 | + google::cloud::storagecontrol_v2::StorageControlClient client, |
| 54 | + std::vector<std::string> const& argv) { |
| 55 | + // [START storage_control_get_anywhere_cache] |
| 56 | + namespace storagecontrol = google::cloud::storagecontrol_v2; |
| 57 | + [](storagecontrol::StorageControlClient client, |
| 58 | + std::string const& cache_name) { |
| 59 | + auto anywhere_cache = client.GetAnywhereCache(cache_name); |
| 60 | + if (!anywhere_cache) throw std::move(anywhere_cache).status(); |
| 61 | + std::cout << "Got anywhere cache: " << anywhere_cache->name() << "\n"; |
| 62 | + } |
| 63 | + // [END storage_control_get_anywhere_cache] |
| 64 | + (std::move(client), argv.at(0)); |
| 65 | +} |
| 66 | + |
| 67 | +void ListAnywhereCaches( |
| 68 | + google::cloud::storagecontrol_v2::StorageControlClient client, |
| 69 | + std::vector<std::string> const& argv) { |
| 70 | + // [START storage_control_list_anywhere_caches] |
| 71 | + namespace storagecontrol = google::cloud::storagecontrol_v2; |
| 72 | + [](storagecontrol::StorageControlClient client, |
| 73 | + std::string const& bucket_name) { |
| 74 | + auto const parent = std::string{"projects/_/buckets/"} + bucket_name; |
| 75 | + for (auto anywhere_cache : client.ListAnywhereCaches(parent)) { |
| 76 | + if (!anywhere_cache) throw std::move(anywhere_cache).status(); |
| 77 | + std::cout << anywhere_cache->name() << "\n"; |
| 78 | + } |
| 79 | + } |
| 80 | + // [END storage_control_list_anywhere_caches] |
| 81 | + (std::move(client), argv.at(0)); |
| 82 | +} |
| 83 | + |
| 84 | +void UpdateAnywhereCache( |
| 85 | + google::cloud::storagecontrol_v2::StorageControlClient client, |
| 86 | + std::vector<std::string> const& argv) { |
| 87 | + // [START storage_control_update_anywhere_cache] |
| 88 | + namespace storagecontrol = google::cloud::storagecontrol_v2; |
| 89 | + [](storagecontrol::StorageControlClient client, std::string const& cache_name, |
| 90 | + std::string const& admission_policy) { |
| 91 | + google::storage::control::v2::AnywhereCache cache; |
| 92 | + google::protobuf::FieldMask field_mask; |
| 93 | + field_mask.add_paths("admission_policy"); |
| 94 | + cache.set_name(cache_name); |
| 95 | + cache.set_admission_policy(admission_policy); |
| 96 | + // Start an update operation and block until it completes. Real applications |
| 97 | + // may want to setup a callback, wait on a coroutine, or poll until it |
| 98 | + // completes. |
| 99 | + auto anywhere_cache = client.UpdateAnywhereCache(cache, field_mask).get(); |
| 100 | + if (!anywhere_cache) throw std::move(anywhere_cache).status(); |
| 101 | + std::cout << "Updated anywhere cache: " << anywhere_cache->name() << "\n"; |
| 102 | + } |
| 103 | + // [END storage_control_update_anywhere_cache] |
| 104 | + (std::move(client), argv.at(0), argv.at(1)); |
| 105 | +} |
| 106 | + |
| 107 | +void PauseAnywhereCache( |
| 108 | + google::cloud::storagecontrol_v2::StorageControlClient client, |
| 109 | + std::vector<std::string> const& argv) { |
| 110 | + // [START storage_control_pause_anywhere_cache] |
| 111 | + namespace storagecontrol = google::cloud::storagecontrol_v2; |
| 112 | + [](storagecontrol::StorageControlClient client, |
| 113 | + std::string const& cache_name) { |
| 114 | + auto anywhere_cache = client.PauseAnywhereCache(cache_name); |
| 115 | + if (!anywhere_cache) throw std::move(anywhere_cache).status(); |
| 116 | + std::cout << "Paused anywhere cache: " << anywhere_cache->name() << "\n"; |
| 117 | + } |
| 118 | + // [END storage_control_pause_anywhere_cache] |
| 119 | + (std::move(client), argv.at(0)); |
| 120 | +} |
| 121 | + |
| 122 | +void ResumeAnywhereCache( |
| 123 | + google::cloud::storagecontrol_v2::StorageControlClient client, |
| 124 | + std::vector<std::string> const& argv) { |
| 125 | + // [START storage_control_resume_anywhere_cache] |
| 126 | + namespace storagecontrol = google::cloud::storagecontrol_v2; |
| 127 | + [](storagecontrol::StorageControlClient client, |
| 128 | + std::string const& cache_name) { |
| 129 | + auto anywhere_cache = client.ResumeAnywhereCache(cache_name); |
| 130 | + if (!anywhere_cache) throw std::move(anywhere_cache).status(); |
| 131 | + std::cout << "Resumed anywhere cache: " << anywhere_cache->name() << "\n"; |
| 132 | + } |
| 133 | + // [END storage_control_resume_anywhere_cache] |
| 134 | + (std::move(client), argv.at(0)); |
| 135 | +} |
| 136 | + |
| 137 | +void DisableAnywhereCache( |
| 138 | + google::cloud::storagecontrol_v2::StorageControlClient client, |
| 139 | + std::vector<std::string> const& argv) { |
| 140 | + // [START storage_control_disable_anywhere_cache] |
| 141 | + namespace storagecontrol = google::cloud::storagecontrol_v2; |
| 142 | + [](storagecontrol::StorageControlClient client, |
| 143 | + std::string const& cache_name) { |
| 144 | + auto anywhere_cache = client.DisableAnywhereCache(cache_name); |
| 145 | + if (!anywhere_cache) throw std::move(anywhere_cache).status(); |
| 146 | + std::cout << "Disabled anywhere cache: " << anywhere_cache->name() << "\n"; |
| 147 | + } |
| 148 | + // [END storage_control_disable_anywhere_cache] |
| 149 | + (std::move(client), argv.at(0)); |
| 150 | +} |
| 151 | + |
| 152 | +void AutoRun(std::vector<std::string> const& argv) { |
| 153 | + namespace examples = google::cloud::testing_util; |
| 154 | + namespace storagecontrol = google::cloud::storagecontrol_v2; |
| 155 | + if (!argv.empty()) throw examples::Usage{"auto"}; |
| 156 | + examples::CheckEnvironmentVariablesAreSet( |
| 157 | + {"GOOGLE_CLOUD_CPP_STORAGE_TEST_BUCKET_NAME", |
| 158 | + "GOOGLE_CLOUD_CPP_TEST_ZONE"}); |
| 159 | + auto const bucket_name = google::cloud::internal::GetEnv( |
| 160 | + "GOOGLE_CLOUD_CPP_STORAGE_TEST_BUCKET_NAME") |
| 161 | + .value(); |
| 162 | + auto const zone_name = |
| 163 | + google::cloud::internal::GetEnv("GOOGLE_CLOUD_CPP_TEST_ZONE").value(); |
| 164 | + auto client = storagecontrol::StorageControlClient( |
| 165 | + storagecontrol::MakeStorageControlConnection()); |
| 166 | + |
| 167 | + auto const cache_name = |
| 168 | + "projects/_/buckets/" + bucket_name + "/anywhereCaches/" + zone_name; |
| 169 | + |
| 170 | + std::cout << "\nRunning CreateAnywhereCache() example" << std::endl; |
| 171 | + CreateAnywhereCache(client, {bucket_name, cache_name, zone_name}); |
| 172 | + |
| 173 | + std::cout << "\nRunning GetAnywhereCache() example" << std::endl; |
| 174 | + GetAnywhereCache(client, {cache_name}); |
| 175 | + |
| 176 | + std::cout << "\nRunning ListAnywhereCaches() example" << std::endl; |
| 177 | + ListAnywhereCaches(client, {bucket_name}); |
| 178 | + |
| 179 | + std::cout << "\nRunning UpdateAnywhereCache() example" << std::endl; |
| 180 | + UpdateAnywhereCache(client, {cache_name, "admit-on-second-miss"}); |
| 181 | + |
| 182 | + std::cout << "\nRunning PauseAnywhereCache() example" << std::endl; |
| 183 | + PauseAnywhereCache(client, {cache_name}); |
| 184 | + |
| 185 | + std::cout << "\nRunning ResumeAnywhereCache() example" << std::endl; |
| 186 | + ResumeAnywhereCache(client, {cache_name}); |
| 187 | + |
| 188 | + std::cout << "\nRunning DisableAnywhereCache() example" << std::endl; |
| 189 | + DisableAnywhereCache(client, {cache_name}); |
| 190 | +} |
| 191 | + |
| 192 | +} // namespace |
| 193 | + |
| 194 | +int main(int argc, char* argv[]) { // NOLINT(bugprone-exception-escape) |
| 195 | + using google::cloud::testing_util::Example; |
| 196 | + namespace storagecontrol = google::cloud::storagecontrol_v2; |
| 197 | + using ClientCommand = std::function<void(storagecontrol::StorageControlClient, |
| 198 | + std::vector<std::string> argv)>; |
| 199 | + |
| 200 | + auto make_entry = [](std::string name, |
| 201 | + std::vector<std::string> const& arg_names, |
| 202 | + ClientCommand const& command) { |
| 203 | + auto adapter = [=](std::vector<std::string> argv) { |
| 204 | + if ((argv.size() == 1 && argv[0] == "--help") || |
| 205 | + argv.size() != arg_names.size()) { |
| 206 | + std::string usage = name; |
| 207 | + for (auto const& a : arg_names) usage += " <" + a + ">"; |
| 208 | + throw google::cloud::testing_util::Usage{std::move(usage)}; |
| 209 | + } |
| 210 | + auto client = storagecontrol::StorageControlClient( |
| 211 | + storagecontrol::MakeStorageControlConnection()); |
| 212 | + command(client, std::move(argv)); |
| 213 | + }; |
| 214 | + return google::cloud::testing_util::Commands::value_type(std::move(name), |
| 215 | + adapter); |
| 216 | + }; |
| 217 | + |
| 218 | + Example example({ |
| 219 | + make_entry("create-anywhere-cache", |
| 220 | + {"bucket-name", "cache-name", "zone-name"}, |
| 221 | + CreateAnywhereCache), |
| 222 | + make_entry("get-anywhere-cache", {"cache-name"}, GetAnywhereCache), |
| 223 | + make_entry("list-anywhere-caches", {"bucket-name"}, ListAnywhereCaches), |
| 224 | + make_entry("update-anywhere-cache", {"cache-name", "admission-policy"}, |
| 225 | + UpdateAnywhereCache), |
| 226 | + make_entry("pause-anywhere-cache", {"cache-name"}, PauseAnywhereCache), |
| 227 | + make_entry("resume-anywhere-cache", {"cache-name"}, ResumeAnywhereCache), |
| 228 | + make_entry("disable-anywhere-cache", {"cache-name"}, |
| 229 | + DisableAnywhereCache), |
| 230 | + {"auto", AutoRun}, |
| 231 | + }); |
| 232 | + return example.Run(argc, argv); |
| 233 | +} |
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