php-opencloud /
openstack
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like Server often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Server, and based on these observations, apply Extract Interface, too.
| 1 | <?php declare(strict_types=1); |
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| 22 | class Server extends OperatorResource implements |
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| 23 | Creatable, |
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| 24 | Updateable, |
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| 25 | Deletable, |
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| 26 | Retrievable, |
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| 27 | Listable |
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| 28 | { |
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| 29 | use HasWaiterTrait; |
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| 30 | |||
| 31 | /** @var string */ |
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| 32 | public $id; |
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| 33 | |||
| 34 | /** @var string */ |
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| 35 | public $ipv4; |
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| 36 | |||
| 37 | /** @var string */ |
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| 38 | public $ipv6; |
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| 39 | |||
| 40 | /** @var array */ |
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| 41 | public $addresses; |
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| 42 | |||
| 43 | /** @var \DateTimeImmutable */ |
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| 44 | public $created; |
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| 45 | |||
| 46 | /** @var \DateTimeImmutable */ |
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| 47 | public $updated; |
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| 48 | |||
| 49 | /** @var Flavor */ |
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| 50 | public $flavor; |
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| 51 | |||
| 52 | /** @var string */ |
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| 53 | public $hostId; |
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| 54 | |||
| 55 | /** @var string */ |
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| 56 | public $hypervisorHostname; |
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| 57 | |||
| 58 | /** @var Image */ |
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| 59 | public $image; |
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| 60 | |||
| 61 | /** @var array */ |
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| 62 | public $links; |
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| 63 | |||
| 64 | /** @var array */ |
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| 65 | public $metadata; |
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| 66 | |||
| 67 | /** @var string */ |
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| 68 | public $name; |
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| 69 | |||
| 70 | /** @var string */ |
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| 71 | public $progress; |
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| 72 | |||
| 73 | /** @var string */ |
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| 74 | public $status; |
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| 75 | |||
| 76 | /** @var string */ |
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| 77 | public $tenantId; |
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| 78 | |||
| 79 | /** @var string */ |
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| 80 | public $userId; |
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| 81 | |||
| 82 | /** @var string */ |
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| 83 | public $adminPass; |
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| 84 | |||
| 85 | /** @var string */ |
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| 86 | public $taskState; |
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| 87 | |||
| 88 | /** @var string */ |
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| 89 | public $powerState; |
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| 90 | |||
| 91 | /** @var string */ |
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| 92 | public $vmState; |
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| 93 | |||
| 94 | protected $resourceKey = 'server'; |
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| 95 | protected $resourcesKey = 'servers'; |
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| 96 | protected $markerKey = 'id'; |
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| 97 | |||
| 98 | protected $aliases = [ |
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| 99 | 'block_device_mapping_v2' => 'blockDeviceMapping', |
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| 100 | 'accessIPv4' => 'ipv4', |
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| 101 | 2 | 'accessIPv6' => 'ipv6', |
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| 102 | 'tenant_id' => 'tenantId', |
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| 103 | 2 | 'user_id' => 'userId', |
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| 104 | 2 | 'security_groups' => 'securityGroups', |
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| 105 | 'OS-EXT-STS:task_state' => 'taskState', |
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| 106 | 'OS-EXT-STS:power_state' => 'powerState', |
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| 107 | 'OS-EXT-STS:vm_state' => 'vmState', |
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| 108 | 'OS-EXT-SRV-ATTR:hypervisor_hostname' => 'hypervisorHostname', |
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| 109 | ]; |
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| 110 | 1 | ||
| 111 | /** |
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| 112 | 1 | * {@inheritDoc} |
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| 113 | * |
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| 114 | 1 | * @param array $userOptions {@see \OpenStack\Compute\v2\Api::postServer} |
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| 115 | */ |
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| 116 | public function create(array $userOptions): Creatable |
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| 125 | |||
| 126 | /** |
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| 127 | * {@inheritDoc} |
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| 128 | 1 | */ |
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| 129 | public function update() |
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| 134 | |||
| 135 | /** |
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| 136 | * {@inheritDoc} |
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| 137 | */ |
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| 138 | public function delete() |
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| 142 | 1 | ||
| 143 | 1 | /** |
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| 144 | * {@inheritDoc} |
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| 145 | 1 | */ |
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| 146 | 1 | public function retrieve() |
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| 151 | |||
| 152 | /** |
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| 153 | 2 | * Changes the root password for a server. |
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| 154 | * |
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| 155 | 2 | * @param string $newPassword The new root password |
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| 156 | 1 | */ |
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| 157 | public function changePassword(string $newPassword) |
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| 164 | |||
| 165 | /** |
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| 166 | * Reboots the server. |
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| 167 | * |
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| 168 | * @param string $type The type of reboot that will be performed. Either SOFT or HARD is supported. |
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| 169 | */ |
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| 170 | 1 | public function reboot(string $type = Enum::REBOOT_SOFT) |
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| 181 | |||
| 182 | /** |
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| 183 | * Starts server |
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| 184 | 1 | */ |
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| 185 | public function start() |
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| 192 | 1 | ||
| 193 | /** |
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| 194 | * Stops server |
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| 195 | */ |
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| 196 | public function stop() |
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| 203 | |||
| 204 | /** |
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| 205 | 1 | * Rebuilds the server. |
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| 206 | * |
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| 207 | 1 | * @param array $options {@see \OpenStack\Compute\v2\Api::rebuildServer} |
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| 208 | 1 | */ |
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| 209 | public function rebuild(array $options) |
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| 216 | |||
| 217 | 1 | /** |
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| 218 | 1 | * Resizes the server to a new flavor. Once this operation is complete and server has transitioned |
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| 219 | 1 | * to an active state, you will either need to call {@see confirmResize()} or {@see revertResize()}. |
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| 220 | * |
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| 221 | * @param string $flavorId The UUID of the new flavor your server will be based on. |
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| 222 | */ |
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| 223 | public function resize(string $flavorId) |
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| 232 | 2 | ||
| 233 | 2 | /** |
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| 234 | 2 | * Confirms a previous resize operation. |
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| 235 | */ |
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| 236 | public function confirmResize() |
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| 240 | |||
| 241 | /** |
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| 242 | 1 | * Reverts a previous resize operation. |
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| 243 | */ |
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| 244 | 1 | public function revertResize() |
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| 248 | |||
| 249 | /** |
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| 250 | * Gets a VNC console for a server. |
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| 251 | * |
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| 252 | * @param string $type The type of VNC console: novnc|xvpvnc. |
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| 253 | * Defaults to novnc. |
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| 254 | * |
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| 255 | * @return array |
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| 256 | 1 | */ |
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| 257 | public function getVncConsole($type = Enum::CONSOLE_NOVNC): array |
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| 262 | |||
| 263 | /** |
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| 264 | * Gets a RDP console for a server. |
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| 265 | * |
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| 266 | * @param string $type The type of VNC console: rdp-html5 (default). |
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| 267 | * |
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| 268 | * @return array |
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| 269 | */ |
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| 270 | public function getRDPConsole($type = Enum::CONSOLE_RDP_HTML5): array |
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| 275 | |||
| 276 | /** |
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| 277 | * Gets a Spice console for a server. |
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| 278 | * |
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| 279 | * @param string $type The type of VNC console: spice-html5. |
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| 280 | * |
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| 281 | * @return array |
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| 282 | */ |
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| 283 | public function getSpiceConsole($type = Enum::CONSOLE_SPICE_HTML5): array |
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| 288 | |||
| 289 | /** |
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| 290 | * Gets a serial console for a server. |
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| 291 | * |
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| 292 | * @param string $type The type of VNC console: serial. |
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| 293 | * |
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| 294 | * @return array |
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| 295 | 1 | */ |
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| 296 | public function getSerialConsole($type = Enum::CONSOLE_SERIAL): array |
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| 301 | |||
| 302 | /** |
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| 303 | * Creates an image for the current server. |
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| 304 | * |
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| 305 | * @param array $options {@see \OpenStack\Compute\v2\Api::createServerImage} |
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| 306 | */ |
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| 307 | public function createImage(array $options) |
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| 312 | |||
| 313 | /** |
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| 314 | * Iterates over all the IP addresses for this server. |
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| 315 | * |
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| 316 | * @param array $options {@see \OpenStack\Compute\v2\Api::getAddressesByNetwork} |
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| 317 | * |
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| 318 | * @return array An array containing to two keys: "public" and "private" |
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| 319 | */ |
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| 320 | public function listAddresses(array $options = []): array |
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| 328 | |||
| 329 | /** |
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| 330 | * Returns Generator for InterfaceAttachment |
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| 331 | * |
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| 332 | * @return \Generator |
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| 333 | */ |
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| 334 | public function listInterfaceAttachments(array $options = []): \Generator |
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| 338 | |||
| 339 | /** |
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| 340 | * Gets an interface attachment. |
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| 341 | * |
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| 342 | * @param string $portId The unique ID of the port. |
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| 343 | * @return InterfaceAttachment |
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| 344 | */ |
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| 345 | View Code Duplication | public function getInterfaceAttachment(string $portId): InterfaceAttachment |
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| 354 | |||
| 355 | /** |
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| 356 | * Creates an interface attachment. |
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| 357 | * |
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| 358 | * @param array $userOptions {@see \OpenStack\Compute\v2\Api::postInterfaceAttachment} |
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| 359 | * @return InterfaceAttachment |
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| 360 | */ |
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| 361 | public function createInterfaceAttachment(array $userOptions): InterfaceAttachment |
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| 370 | |||
| 371 | /** |
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| 372 | * Detaches an interface attachment. |
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| 373 | * |
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| 374 | * @param string $portId |
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| 375 | */ |
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| 376 | public function detachInterface(string $portId) |
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| 383 | |||
| 384 | /** |
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| 385 | * Retrieves metadata from the API. |
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| 386 | * |
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| 387 | * @return array |
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| 388 | */ |
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| 389 | public function getMetadata(): array |
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| 394 | |||
| 395 | /** |
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| 396 | * Resets all the metadata for this server with the values provided. All existing metadata keys |
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| 397 | * will either be replaced or removed. |
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| 398 | * |
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| 399 | * @param array $metadata {@see \OpenStack\Compute\v2\Api::putServerMetadata} |
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| 400 | */ |
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| 401 | public function resetMetadata(array $metadata) |
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| 406 | |||
| 407 | /** |
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| 408 | * Merges the existing metadata for the server with the values provided. Any existing keys |
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| 409 | * referenced in the user options will be replaced with the user's new values. All other |
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| 410 | * existing keys will remain unaffected. |
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| 411 | * |
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| 412 | * @param array $metadata {@see \OpenStack\Compute\v2\Api::postServerMetadata} |
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| 413 | * |
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| 414 | * @return array |
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| 415 | */ |
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| 416 | public function mergeMetadata(array $metadata) |
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| 421 | |||
| 422 | /** |
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| 423 | * Retrieve the value for a specific metadata key. |
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| 424 | * |
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| 425 | * @param string $key {@see \OpenStack\Compute\v2\Api::getServerMetadataKey} |
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| 426 | * |
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| 427 | * @return mixed |
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| 428 | */ |
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| 429 | View Code Duplication | public function getMetadataItem(string $key) |
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| 436 | |||
| 437 | /** |
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| 438 | * Remove a specific metadata key. |
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| 439 | * |
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| 440 | * @param string $key {@see \OpenStack\Compute\v2\Api::deleteServerMetadataKey} |
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| 441 | */ |
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| 442 | View Code Duplication | public function deleteMetadataItem(string $key) |
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| 450 | |||
| 451 | |||
| 452 | /** |
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| 453 | * Add security group to a server (addSecurityGroup action) |
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| 454 | * |
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| 455 | * @param array $options {@see \OpenStack\Compute\v2\Api::postSecurityGroup} |
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| 456 | * |
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| 457 | * @return SecurityGroup |
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| 458 | */ |
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| 459 | View Code Duplication | public function addSecurityGroup(array $options) : SecurityGroup |
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| 467 | |||
| 468 | /** |
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| 469 | * Add security group to a server (addSecurityGroup action) |
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| 470 | * |
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| 471 | * @param array $options {@see \OpenStack\Compute\v2\Api::deleteSecurityGroup} |
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| 472 | */ |
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| 473 | public function removeSecurityGroup(array $options) |
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| 478 | |||
| 479 | public function parseMetadata(ResponseInterface $response): array |
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| 483 | |||
| 484 | /** |
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| 485 | * Returns Generator for SecurityGroups |
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| 486 | * |
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| 487 | * @return \Generator |
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| 488 | */ |
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| 489 | public function listSecurityGroups(): \Generator |
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| 493 | |||
| 494 | |||
| 495 | /** |
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| 496 | * Returns Generator for VolumeAttachment |
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| 497 | * |
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| 498 | * @return \Generator |
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| 499 | */ |
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| 500 | public function listVolumeAttachments(): \Generator |
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| 504 | |||
| 505 | /** |
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| 506 | * Attach a volume and returns volume that was attached |
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| 507 | * |
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| 508 | * @param $volumeId |
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| 509 | * |
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| 510 | * @return VolumeAttachment |
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| 511 | */ |
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| 512 | public function attachVolume(string $volumeId): VolumeAttachment |
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| 518 | |||
| 519 | /** |
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| 520 | * Detach a volume |
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| 521 | * |
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| 522 | * @param $attachmentId |
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| 523 | * |
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| 524 | * @return void |
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| 525 | */ |
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| 526 | public function detachVolume(string $attachmentId) |
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| 530 | } |
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| 531 |
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.