feat: Add the and options to avoid rendering networks and ports

Closes #24

CHANGELOG.md

@@ -1,5 +1,6 @@
 # `1.2.0` (unreleased)
 
+* Add the `--no-networks` and `--no-ports` options to avoid rendering networks and ports
 * Add the `--background` option to set the graph's background color
 * Versions correctly merged and checked
 

src/application.php

@@ -17,6 +17,8 @@ $application->register('render')
 
     ->addOption('force', 'f', Console\Input\InputOption::VALUE_NONE, 'Overwrites output file if it already exists')
     ->addOption('no-volumes', null, Console\Input\InputOption::VALUE_NONE, 'Do not display volumes')
+    ->addOption('no-networks', null, Console\Input\InputOption::VALUE_NONE, 'Do not display networks')
+    ->addOption('no-ports', null, Console\Input\InputOption::VALUE_NONE, 'Do not display ports')
     ->addOption('horizontal', 'r', Console\Input\InputOption::VALUE_NONE, 'Display a horizontal graph')
     ->addOption('ignore-override', null, Console\Input\InputOption::VALUE_NONE, 'Ignore override file')
     ->addOption('background', null, Console\Input\InputOption::VALUE_REQUIRED, 'Set the graph background color', '#ffffff')
@@ -85,8 +87,21 @@ $application->register('render')
             );
         }
 
+        $flags = 0;
+        if ($input->getOption('no-volumes') === true) {
+            $flags |= WITHOUT_VOLUMES;
+        }
+
+        if ($input->getOption('no-networks') === true) {
+            $flags |= WITHOUT_NETWORKS;
+        }
+
+        if ($input->getOption('no-ports') === true) {
+            $flags |= WITHOUT_PORTS;
+        }
+
         $graph = applyGraphvizStyle(
-            createGraph($services, $volumes, $networks, $input->getOption('no-volumes') === false, $inputFile),
+            createGraph($services, $volumes, $networks, $inputFile, $flags),
             $input->getOption('horizontal'),
             $input->getOption('background')
         );

src/functions.php

@@ -8,6 +8,10 @@ use Fhaculty\Graph\Vertex;
 use Symfony\Component\Yaml\Exception\ParseException;
 use Symfony\Component\Yaml\Yaml;
 
+const WITHOUT_VOLUMES = 1;
+const WITHOUT_NETWORKS = 2;
+const WITHOUT_PORTS = 4;
+
 /**
  * @public
  *
@@ -87,9 +91,9 @@ function fetchNetworks(array $configuration) : array
  *
  * @return Graph The complete graph for the given list of services
  */
-function createGraph(array $services, array $volumes, array $networks, bool $withVolumes, string $path) : Graph
+function createGraph(array $services, array $volumes, array $networks, string $path, int $flags) : Graph
 {
-    return makeVerticesAndEdges(new Graph(), $services, $volumes, $networks, $withVolumes, $path);
+    return makeVerticesAndEdges(new Graph(), $services, $volumes, $networks, $path, $flags);
 }
 
 /**
@@ -201,20 +205,22 @@ function applyGraphvizStyle(Graph $graph, bool $horizontal, string $background)
  *
  * @return Graph A copy of the input graph with vertices and edges for services
  */
-function makeVerticesAndEdges(Graph $graph, array $services, array $volumes, array $networks, bool $withVolumes, $path) : Graph
+function makeVerticesAndEdges(Graph $graph, array $services, array $volumes, array $networks, string $path, int $flags) : Graph
 {
-    if ($withVolumes === true) {
+    if (((bool) ($flags & WITHOUT_VOLUMES)) === false) {
         foreach (array_keys($volumes) as $volume) {
             addVolume($graph, 'named: '.$volume);
         }
     }
 
+    if (((bool) ($flags & WITHOUT_NETWORKS)) === false) {
         foreach ($networks as $network => $definition) {
             addNetwork(
                 $graph, 'net: ' . $network,
                 isset($definition['external']) && $definition['external'] === true ? 'external_network' : 'network'
             );
         }
+    }
 
     foreach ($services as $service => $definition) {
         addService($graph, $service);
@@ -225,7 +231,7 @@ function makeVerticesAndEdges(Graph $graph, array $services, array $volumes, arr
             $extendedVolumes = fetchVolumes($configuration);
             $extendedNetworks = fetchVolumes($configuration);
 
-            $graph = makeVerticesAndEdges($graph, $extendedServices, $extendedVolumes, $extendedNetworks, $withVolumes, dirname($path).DIRECTORY_SEPARATOR.$definition['extends']['file']);
+            $graph = makeVerticesAndEdges($graph, $extendedServices, $extendedVolumes, $extendedNetworks, dirname($path).DIRECTORY_SEPARATOR.$definition['extends']['file'], $flags);
 
             addRelation(
                  addService($graph, $definition['extends']['service']),
@@ -281,7 +287,7 @@ function makeVerticesAndEdges(Graph $graph, array $services, array $volumes, arr
             );
         }
 
-        if ($withVolumes === true) {
+        if (((bool) ($flags & WITHOUT_VOLUMES)) === false) {
             $serviceVolumes = [];
 
             foreach ($definition['volumes'] ?? [] as $volume) {
@@ -307,6 +313,7 @@ function makeVerticesAndEdges(Graph $graph, array $services, array $volumes, arr
             }
         }
 
+        if (((bool) ($flags & WITHOUT_PORTS)) === false) {
             foreach ($definition['ports'] ?? [] as $port) {
                 list($host, $container, $proto) = explodeMapping($port);
 
@@ -317,7 +324,9 @@ function makeVerticesAndEdges(Graph $graph, array $services, array $volumes, arr
                     $host !== $container ? $container : null
                 );
             }
+        }
 
+        if (((bool) ($flags & WITHOUT_NETWORKS)) === false) {
             foreach ($definition['networks'] ?? [] as $network => $config) {
                 $network = is_int($network) ? $config : $network;
                 $config = is_int($network) ? [] : $config;
@@ -331,6 +340,7 @@ function makeVerticesAndEdges(Graph $graph, array $services, array $volumes, arr
                 );
             }
         }
+    }
 
     return $graph;
 }