[JENKINS-50378] Add an optional flag that allows to force the install…

…ation of a 32bit package of the NodeJS. The flag is allowed only in case a NodeJS package is available for the underlying system and 32bit architecture otherwise the build will fail.

pom.xml

@@ -42,7 +42,7 @@
     </licenses>
 
     <properties>
-        <powermock.version>1.7.0</powermock.version>
+        <powermock.version>1.7.3</powermock.version>
         <jenkins.version>1.651.3</jenkins.version>
     </properties>
 

src/main/java/jenkins/plugins/nodejs/tools/CPU.java

@@ -20,6 +20,7 @@
 import hudson.remoting.VirtualChannel;
 import hudson.util.StreamTaskListener;
 import jenkins.MasterToSlaveFileCallable;
+import jenkins.plugins.nodejs.Messages;
 
 /**
  * CPU type.
@@ -32,16 +33,20 @@ public enum CPU {
      *
      * @param node
      *            the computer node
-     * @return a CPU value of the cpu of the given node
-     * @throws IOException in case of IO issues with the remote Node
-     * @throws InterruptedException in case the job is interrupted by user
+     * @return a CPU value of the architecture of the given node
+     * @throws DetectionFailedException
+     *             when the current CPU node is not supported.
      */
-    public static CPU of(@Nonnull Node node) throws IOException, InterruptedException {
-        Computer computer = node.toComputer();
-        if (computer == null) {
-            throw new DetectionFailedException("Node offline");
+    public static CPU of(@Nonnull Node node) throws DetectionFailedException {
+        try {
+            Computer computer = node.toComputer();
+            if (computer == null) {
+                throw new DetectionFailedException(Messages.SystemTools_nodeNotAvailable(node.getDisplayName()));
+            }
+            return detect(computer, computer.getSystemProperties());
+        } catch (IOException | InterruptedException e) {
+            throw new DetectionFailedException(Messages.SystemTools_failureOnProperties(), e);
         }
-        return detect(computer, computer.getSystemProperties());
     }
 
     /**
@@ -69,7 +74,7 @@ private static CPU detect(@Nullable Computer computer, Map<Object, Object> syste
                 FilePath rootPath = new FilePath((computer != null ? computer.getChannel() : null), "/");
                 arch = rootPath.act(new ArchitectureCallable());
             } catch (IOException | InterruptedException e) {
-                throw new DetectionFailedException("Unknown CPU architecture: " + arch, e);
+                throw new DetectionFailedException(Messages.CPU_unknown(arch), e);
             }
             switch (arch) {
             case "armv7l":
@@ -80,7 +85,7 @@ private static CPU detect(@Nullable Computer computer, Map<Object, Object> syste
                 return arm64;
             }
         }
-        throw new DetectionFailedException("Unknown CPU architecture: " + arch);
+        throw new DetectionFailedException(Messages.CPU_unknown(arch));
     }
 
     /**

src/main/java/jenkins/plugins/nodejs/tools/NodeJSInstaller.java

@@ -41,6 +41,7 @@
 
 import org.apache.commons.lang.StringUtils;
 import org.kohsuke.stapler.DataBoundConstructor;
+import org.kohsuke.stapler.DataBoundSetter;
 
 import com.google.common.base.Predicate;
 import com.google.common.collect.Collections2;
@@ -88,18 +89,24 @@ public class NodeJSInstaller extends DownloadFromUrlInstaller {
     private final Long npmPackagesRefreshHours;
     private Platform platform;
     private CPU cpu;
+    private boolean force32Bit;
 
     @DataBoundConstructor
-    public NodeJSInstaller(String id, String npmPackages, long npmPackagesRefreshHours)    {
+    public NodeJSInstaller(String id, String npmPackages, long npmPackagesRefreshHours) {
         super(id);
         this.npmPackages = Util.fixEmptyAndTrim(npmPackages);
         this.npmPackagesRefreshHours = npmPackagesRefreshHours;
     }
 
+    public NodeJSInstaller(String id, String npmPackages, long npmPackagesRefreshHours, boolean force32bit) {
+        this(id, npmPackages, npmPackagesRefreshHours);
+        this.force32Bit = force32bit;
+    }
+
     @Override
     public Installable getInstallable() throws IOException {
         Installable installable = super.getInstallable();
-        if(installable==null) {
+        if (installable == null) {
             return null;
         }
 
@@ -118,8 +125,8 @@ public Installable getInstallable() throws IOException {
     // implementation
     @Override
     public FilePath performInstallation(ToolInstallation tool, Node node, TaskListener log) throws IOException, InterruptedException {
-        this.platform = getPlatform(node);
-        this.cpu = getCPU(node);
+        this.platform = ToolsUtils.getPlatform(node);
+        this.cpu = ToolsUtils.getCPU(node, force32Bit);
 
         FilePath expected;
         Installable installable = getInstallable();
@@ -144,14 +151,6 @@ public FilePath performInstallation(ToolInstallation tool, Node node, TaskListen
         return expected;
     }
 
-    private CPU getCPU(Node node) throws IOException, InterruptedException {
-        return CPU.of(node);
-    }
-
-    private Platform getPlatform(Node node) throws DetectionFailedException {
-        return Platform.of(node);
-    }
-
     /*
      * Installing npm packages if needed
      */
@@ -332,6 +331,15 @@ public Long getNpmPackagesRefreshHours() {
         return npmPackagesRefreshHours;
     }
 
+    public boolean isForce32Bit() {
+        return force32Bit;
+    }
+
+    @DataBoundSetter
+    public void setForce32Bit(boolean force32Bit) {
+        this.force32Bit = force32Bit;
+    }
+
     @Extension
     public static final class DescriptorImpl extends DownloadFromUrlInstaller.DescriptorImpl<NodeJSInstaller> { // NOSONAR
         @Override

src/main/java/jenkins/plugins/nodejs/tools/Platform.java

@@ -6,6 +6,7 @@
 
 import hudson.model.Computer;
 import hudson.model.Node;
+import jenkins.plugins.nodejs.Messages;
 
 /**
  * Supported platform.
@@ -49,11 +50,11 @@ public static Platform of(Node node) throws DetectionFailedException {
         try {
             Computer computer = node.toComputer();
             if (computer == null) {
-                throw new DetectionFailedException("No executor available on Node " + node.getDisplayName());
+                throw new DetectionFailedException(Messages.SystemTools_nodeNotAvailable(node.getDisplayName()));
             }
             return detect(computer.getSystemProperties());
         } catch (IOException | InterruptedException e) {
-            throw new DetectionFailedException("Error getting system properties on remote Node", e);
+            throw new DetectionFailedException(Messages.SystemTools_failureOnProperties(), e);
         }
     }
 
@@ -75,7 +76,7 @@ private static Platform detect(Map<Object, Object> systemProperties) throws Dete
         if (arch.contains("sunos")) {
             return SUNOS;
         }
-        throw new DetectionFailedException("Unknown OS name: " + arch);
+        throw new DetectionFailedException(Messages.Platform_unknown(arch));
     }
 
 }

src/main/java/jenkins/plugins/nodejs/tools/ToolsUtils.java

@@ -0,0 +1,47 @@
+package jenkins.plugins.nodejs.tools;
+
+import hudson.model.Node;
+import jenkins.plugins.nodejs.Messages;
+
+/*package */ class ToolsUtils {
+
+    private ToolsUtils() {
+    }
+
+    public static Platform getPlatform(Node node) throws DetectionFailedException {
+        return Platform.of(node);
+    }
+
+    public static CPU getCPU(Node node) throws DetectionFailedException {
+        return getCPU(node, false);
+    }
+
+    public static CPU getCPU(Node node, boolean force32bit) throws DetectionFailedException {
+        CPU nodeCPU = CPU.of(node);
+        if (force32bit) {
+            if (!support32Bit(nodeCPU)) {
+                throw new DetectionFailedException(Messages.SystemTools_unsupported32bitArchitecture());
+            }
+
+            // force 32 bit architecture 
+            if (nodeCPU == CPU.amd64) {
+                nodeCPU = CPU.i386;
+            }
+        }
+        return nodeCPU;
+    }
+
+    private static boolean support32Bit(CPU cpu) {
+        switch (cpu) {
+        case armv6l:
+            // 64bit start with ARMv8
+        case armv7l:
+        case i386:
+        case amd64:
+            return true;
+        default:
+            return false;
+        }
+    }
+
+}

src/main/resources/jenkins/plugins/nodejs/Messages.properties

@@ -37,4 +37,9 @@ NPMRegistry.DescriptorImpl.emptyRegistryURL=Registry URL is required
 NPMRegistry.DescriptorImpl.invalidRegistryURL=Invalid URL, should start with https://
 NPMRegistry.DescriptorImpl.emptyScopes=Scopes is required
 NPMRegistry.DescriptorImpl.invalidScopes=Invalid scope
-NPMRegistry.DescriptorImpl.invalidCharInScopes=Remove the '@' character from scope
+NPMRegistry.DescriptorImpl.invalidCharInScopes=Remove the '@' character from scope
+CPU.unknown=Unknown CPU architecture: {0}
+Platform.unknown=Unknown OS name: {0}
+SystemTools.nodeNotAvailable=Node could be offline or there are no executor defined for Node {0}
+SystemTools.failureOnProperties=Error getting system properties on remote Node
+SystemTools.unsupported32bitArchitecture=NodeJS does not have a 32bit package available for the current node

src/main/resources/jenkins/plugins/nodejs/Messages_it.properties

@@ -30,4 +30,16 @@ NodeJSCommandInterpreter.noInstallation=Nessuna installazione trovata in {0}. Pe
 NodeJSCommandInterpreter.nodeOffline=Non posso prendere il node in quanto non \u00E8 online.
 NPMConfig.displayName=Npm config file
 NPMConfig.verifyTooGlobalRegistry=Ci sono troppi registry npm impostati come globali (cio\u00E8 senza uno scope assegnato).
-NPMConfig.default=- usa il default di sistema -
+NPMConfig.default=- usa il default di sistema -
+NPMRegistry.DescriptorImpl.emptyCredentialsId=Le credenziali sono obbligatorie
+NPMRegistry.DescriptorImpl.invalidCredentialsId=Le credenziali specificate non esistono
+NPMRegistry.DescriptorImpl.emptyRegistryURL=L'URL del registry è un campo obbligatorio
+NPMRegistry.DescriptorImpl.invalidRegistryURL=URL invalido, dovrebbe cominciare con https://
+NPMRegistry.DescriptorImpl.emptyScopes=Scopes è un campo obbligatorio
+NPMRegistry.DescriptorImpl.invalidScopes=Scope invalido
+NPMRegistry.DescriptorImpl.invalidCharInScopes=Rimuovi il carattere '@' dallo scope
+CPU.unknown=Architettura sconosciuta: {0}
+Platform.unknown=Sistema operativo sconociuto: {0}
+SystemTools.nodeNotAvailable=Node potrebbe essere offine oppure non ci sono executori definiti per il nodo {0}
+SystemTools.failureOnProperties=Errore durante il recupero delle propietà di systema del nodo remoto
+SystemTools.unsupported32bitArchitecture=Non ci sono pacchetti di NodeJS 32bit disponibili per il nodo corrente

src/main/resources/jenkins/plugins/nodejs/tools/NodeJSInstaller/config.jelly

@@ -40,6 +40,10 @@ THE SOFTWARE.
 		</j:choose>
 	</f:entry>
 
+    <f:entry title="${%force32Bit.title}" description="${%force32Bit.description}">
+        <f:checkbox field="force32Bit" />
+    </f:entry>
+
     <f:entry title="${%npmPackages.title}" description="${%npmPackages.description}">
         <f:textbox field="npmPackages" />
     </f:entry>

src/main/resources/jenkins/plugins/nodejs/tools/NodeJSInstaller/config.properties

@@ -24,4 +24,6 @@ id.title=Version
 npmPackages.title=Global npm packages to install
 npmPackages.description=Specify list of packages to install globally -- see npm install -g. Note that you can fix the package's version by using the syntax `packageName@version`
 npmPackagesRefreshHours.title=Global npm packages refresh hours
-npmPackagesRefreshHours.description=Duration, in hours, before 2 npm cache update. Note that 0 will always update npm cache
+npmPackagesRefreshHours.description=Duration, in hours, before 2 npm cache update. Note that 0 will always update npm cache
+force32Bit.title=Force 32bit architecture
+force32Bit.description=For the underlying architecture, if available, force the installation of the 32bit package. Otherwise the build will fail

src/test/java/jenkins/plugins/nodejs/tools/NodeJSInstallerTest.java

@@ -9,13 +9,13 @@
 import org.powermock.core.classloader.annotations.PrepareForTest;
 import org.powermock.modules.junit4.PowerMockRunner;
 
+import hudson.FilePath;
 import hudson.model.Node;
 import hudson.model.TaskListener;
 import hudson.tools.DownloadFromUrlInstaller;
 import hudson.tools.ToolInstallation;
 
 @RunWith(PowerMockRunner.class)
-@PrepareForTest(NodeJSInstaller.class)
 public class NodeJSInstallerTest {
 
     /**
@@ -29,26 +29,27 @@ public class NodeJSInstallerTest {
      */
     @Issue("JENKINS-41876")
     @Test
+    @PrepareForTest({ NodeJSInstaller.class, ToolsUtils.class })
     public void test_skip_install_global_packages_when_empty() throws Exception {
         String expectedPackages = " ";
         int expectedRefreshHours = NodeJSInstaller.DEFAULT_NPM_PACKAGES_REFRESH_HOURS;
         Node currentNode = mock(Node.class);
 
-        // mock all the static methods in the class
-        PowerMockito.mockStatic(NodeJSInstaller.class);
-
         // create partial mock
         NodeJSInstaller installer = new NodeJSInstaller("test-id", expectedPackages, expectedRefreshHours);
         NodeJSInstaller spy = PowerMockito.spy(installer);
 
         // use Mockito to set up your expectation
-        when(NodeJSInstaller.areNpmPackagesUpToDate(null, expectedPackages, expectedRefreshHours)).thenThrow(new AssertionError());
+        PowerMockito.stub(PowerMockito.method(NodeJSInstaller.class, "areNpmPackagesUpToDate", FilePath.class, String.class, long.class)) //
+            .toThrow(new AssertionError("global package should skip install if is an empty string"));
         PowerMockito.suppress(PowerMockito.methodsDeclaredIn(DownloadFromUrlInstaller.class));
         PowerMockito.doReturn(null).when(spy).getInstallable();
-        PowerMockito.doReturn(Platform.LINUX).when(spy, "getPlatform", currentNode);
-        PowerMockito.doReturn(CPU.amd64).when(spy, "getCPU", currentNode);
         when(spy.getNpmPackages()).thenReturn(expectedPackages);
 
+        PowerMockito.mockStatic(ToolsUtils.class);
+        when(ToolsUtils.getCPU(currentNode)).thenReturn(CPU.amd64);
+        when(ToolsUtils.getPlatform(currentNode)).thenReturn(Platform.LINUX);
+
         // execute test
         spy.performInstallation(mock(ToolInstallation.class), currentNode, mock(TaskListener.class));
     }

src/test/java/jenkins/plugins/nodejs/tools/ToolsUtilsTest.java

@@ -0,0 +1,67 @@
+package jenkins.plugins.nodejs.tools;
+
+import static org.mockito.Mockito.*;
+
+import org.hamcrest.CoreMatchers;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.powermock.api.mockito.PowerMockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+import org.powermock.reflect.Whitebox;
+
+import hudson.model.Node;
+
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(CPU.class)
+public class ToolsUtilsTest {
+
+    @Before
+    public void setup() {
+        CPU[] cpuValues = CPU.values();
+        CPU mock = PowerMockito.mock(CPU.class);
+        for (CPU c : cpuValues) {
+            Whitebox.setInternalState(mock, "name", c.name());
+            Whitebox.setInternalState(mock, "ordinal", c.ordinal());
+        }
+
+        PowerMockito.mockStatic(CPU.class);
+        PowerMockito.when(CPU.values()).thenReturn(cpuValues);
+    }
+
+    @Test
+    public void nodejs_supports_32bit_64bit_on_windows_linux_mac() throws Exception {
+        Node currentNode = mock(Node.class);
+
+        when(CPU.of(currentNode)).thenReturn(CPU.amd64);
+        CPU cpu = ToolsUtils.getCPU(currentNode, true);
+        Assert.assertThat(cpu, CoreMatchers.is(CPU.i386));
+
+        cpu = ToolsUtils.getCPU(currentNode);
+        Assert.assertThat(cpu, CoreMatchers.is(CPU.amd64));
+    }
+
+    @Test(expected = DetectionFailedException.class)
+    public void nodejs_doesn_t_supports_32bit_on_armv64() throws Exception {
+        Node currentNode = mock(Node.class);
+
+        when(CPU.of(currentNode)).thenReturn(CPU.arm64);
+        ToolsUtils.getCPU(currentNode, true);
+    }
+
+    @Test
+    public void nodejs_supports_32bit_on_armv6_armv7() throws Exception {
+        Node currentNode = mock(Node.class);
+
+        when(CPU.of(currentNode)).thenReturn(CPU.armv7l);
+        CPU cpu = ToolsUtils.getCPU(currentNode, true);
+        Assert.assertThat(cpu, CoreMatchers.is(CPU.armv7l));
+
+        when(CPU.of(currentNode)).thenReturn(CPU.armv6l);
+        cpu = ToolsUtils.getCPU(currentNode, true);
+        Assert.assertThat(cpu, CoreMatchers.is(CPU.armv6l));
+    }
+
+}