Adjust gitconfig in case if git credentials file are going to be mounted into the workspace

infrastructures/kubernetes/src/main/java/org/eclipse/che/workspace/infrastructure/kubernetes/provision/GitConfigProvisioner.java

@@ -52,10 +52,10 @@
 @Singleton
 public class GitConfigProvisioner implements ConfigurationProvisioner<KubernetesEnvironment> {
 
-  private final String GIT_CONFIG_MAP_NAME_SUFFIX = "-gitconfig";
+  public static final String GIT_CONFIG_MAP_NAME_SUFFIX = "-gitconfig";
 
   private static final String GIT_BASE_CONFIG_PATH = "/etc/";
-  private static final String GIT_CONFIG = "gitconfig";
+  public static final String GIT_CONFIG = "gitconfig";
   private static final String GIT_CONFIG_PATH = GIT_BASE_CONFIG_PATH + GIT_CONFIG;
   private static final String PREFERENCES_KEY_FILTER = "theia-user-preferences";
   private static final String GIT_USER_NAME_PROPERTY = "git.user.name";

infrastructures/kubernetes/src/main/java/org/eclipse/che/workspace/infrastructure/kubernetes/provision/secret/GitCredentialStorageFileSecretApplier.java

@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2012-2018 Red Hat, Inc.
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *   Red Hat, Inc. - initial API and implementation
+ */
+package org.eclipse.che.workspace.infrastructure.kubernetes.provision.secret;
+
+import static java.lang.String.format;
+import static org.eclipse.che.workspace.infrastructure.kubernetes.provision.secret.SecretAsContainerResourceProvisioner.ANNOTATION_PREFIX;
+
+import com.google.common.annotations.Beta;
+import io.fabric8.kubernetes.api.model.ConfigMap;
+import io.fabric8.kubernetes.api.model.Secret;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+import javax.inject.Inject;
+import javax.inject.Singleton;
+import org.eclipse.che.api.core.model.workspace.runtime.RuntimeIdentity;
+import org.eclipse.che.api.workspace.server.spi.InfrastructureException;
+import org.eclipse.che.workspace.infrastructure.kubernetes.environment.KubernetesEnvironment;
+import org.eclipse.che.workspace.infrastructure.kubernetes.namespace.K8sVersion;
+import org.eclipse.che.workspace.infrastructure.kubernetes.provision.GitConfigProvisioner;
+
+/**
+ * An instance of {@link FileSecretApplier} that is trying to adjust the content of git-config that
+ * was added by {@link GitConfigProvisioner}. The adjustment is adding configuration of git
+ * credentials store, which is pointing to the file that is going to be mount to the container from
+ * the secret.
+ */
+@Beta
+@Singleton
+public class GitCredentialStorageFileSecretApplier extends FileSecretApplier {
+
+  public static final String ANNOTATION_GIT_CREDENTIALS =
+      ANNOTATION_PREFIX + "/" + "git-credential";
+
+  private static final String GIT_CREDENTIALS_FILE_STORE_PATTERN =
+      "\n[credential]\n\thelper = store --file %s\n";
+
+  @Inject
+  public GitCredentialStorageFileSecretApplier(K8sVersion k8sVersion) {
+    super(k8sVersion);
+  }
+
+  @Override
+  public void applySecret(KubernetesEnvironment env, RuntimeIdentity runtimeIdentity, Secret secret)
+      throws InfrastructureException {
+    super.applySecret(env, runtimeIdentity, secret);
+    final String secretMountPath = secret.getMetadata().getAnnotations().get(ANNOTATION_MOUNT_PATH);
+    Set<String> keys = secret.getData().keySet();
+    if (keys.size() != 1) {
+      throw new InfrastructureException(
+          format(
+              "Invalid git credential secret data. It should contain only 1 data item but it have %d",
+              keys.size()));
+    }
+    Path gitSecretFilePath = Paths.get(secretMountPath, keys.iterator().next());
+    ConfigMap gitConfigMap =
+        env.getConfigMaps()
+            .get(
+                runtimeIdentity.getWorkspaceId() + GitConfigProvisioner.GIT_CONFIG_MAP_NAME_SUFFIX);
+    if (gitConfigMap != null) {
+      Map<String, String> gitConfigMapData = gitConfigMap.getData();
+      String gitConfig = gitConfigMapData.get(GitConfigProvisioner.GIT_CONFIG);
+      if (gitConfig != null) {
+        if (gitConfig.contains("helper = store --file") && gitConfig.contains("[credential]")) {
+          throw new InfrastructureException(
+              "Multiple git credentials secrets found. Please remove duplication.");
+        }
+
+        HashMap<String, String> newGitConfigMapData = new HashMap<>(gitConfigMapData);
+        newGitConfigMapData.put(
+            GitConfigProvisioner.GIT_CONFIG,
+            String.format(GIT_CREDENTIALS_FILE_STORE_PATTERN, gitSecretFilePath.toString()));
+        gitConfigMap.setData(newGitConfigMapData);
+      }
+    }
+  }
+}

infrastructures/kubernetes/src/main/java/org/eclipse/che/workspace/infrastructure/kubernetes/provision/secret/SecretAsContainerResourceProvisioner.java

@@ -11,8 +11,10 @@
  */
 package org.eclipse.che.workspace.infrastructure.kubernetes.provision.secret;
 
+import static java.lang.Boolean.parseBoolean;
 import static java.lang.String.format;
 import static java.util.stream.Collectors.toMap;
+import static org.eclipse.che.workspace.infrastructure.kubernetes.provision.secret.GitCredentialStorageFileSecretApplier.ANNOTATION_GIT_CREDENTIALS;
 
 import com.google.common.annotations.Beta;
 import io.fabric8.kubernetes.api.model.LabelSelector;
@@ -44,15 +46,18 @@ public class SecretAsContainerResourceProvisioner<E extends KubernetesEnvironmen
   private final FileSecretApplier fileSecretApplier;
   private final EnvironmentVariableSecretApplier environmentVariableSecretApplier;
 
+  private final GitCredentialStorageFileSecretApplier gitCredentialStorageFileSecretApplier;
   private final Map<String, String> secretLabels;
 
   @Inject
   public SecretAsContainerResourceProvisioner(
       FileSecretApplier fileSecretApplier,
       EnvironmentVariableSecretApplier environmentVariableSecretApplier,
+      GitCredentialStorageFileSecretApplier gitCredentialStorageFileSecretApplier,
       @Named("che.workspace.provision.secret.labels") String[] labels) {
     this.fileSecretApplier = fileSecretApplier;
     this.environmentVariableSecretApplier = environmentVariableSecretApplier;
+    this.gitCredentialStorageFileSecretApplier = gitCredentialStorageFileSecretApplier;
     this.secretLabels =
         Arrays.stream(labels)
             .map(item -> item.split("=", 2))
@@ -73,7 +78,12 @@ public void provision(E env, RuntimeIdentity runtimeIdentity, KubernetesNamespac
       if ("env".equalsIgnoreCase(mountType)) {
         environmentVariableSecretApplier.applySecret(env, runtimeIdentity, secret);
       } else if ("file".equalsIgnoreCase(mountType)) {
-        fileSecretApplier.applySecret(env, runtimeIdentity, secret);
+        if (parseBoolean(secret.getMetadata().getAnnotations().get(ANNOTATION_GIT_CREDENTIALS))) {
+          gitCredentialStorageFileSecretApplier.applySecret(env, runtimeIdentity, secret);
+        } else {
+          fileSecretApplier.applySecret(env, runtimeIdentity, secret);
+        }
+
       } else {
         throw new InfrastructureException(
             format(

infrastructures/kubernetes/src/test/java/org/eclipse/che/workspace/infrastructure/kubernetes/provision/secret/GitCredentialStorageFileSecretApplierTest.java

@@ -0,0 +1,181 @@
+/*
+ * Copyright (c) 2012-2018 Red Hat, Inc.
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *   Red Hat, Inc. - initial API and implementation
+ */
+package org.eclipse.che.workspace.infrastructure.kubernetes.provision.secret;
+
+import static java.util.Collections.emptyMap;
+import static java.util.Collections.singletonMap;
+import static org.eclipse.che.workspace.infrastructure.kubernetes.provision.secret.FileSecretApplier.ANNOTATION_MOUNT_PATH;
+import static org.eclipse.che.workspace.infrastructure.kubernetes.provision.secret.KubernetesSecretApplier.ANNOTATION_AUTOMOUNT;
+import static org.eclipse.che.workspace.infrastructure.kubernetes.provision.secret.SecretAsContainerResourceProvisioner.ANNOTATION_MOUNT_AS;
+import static org.mockito.Mockito.lenient;
+import static org.mockito.Mockito.when;
+import static org.testng.Assert.assertTrue;
+
+import com.google.common.collect.ImmutableMap;
+import io.fabric8.kubernetes.api.model.ConfigMap;
+import io.fabric8.kubernetes.api.model.ConfigMapBuilder;
+import io.fabric8.kubernetes.api.model.ObjectMetaBuilder;
+import io.fabric8.kubernetes.api.model.PodSpec;
+import io.fabric8.kubernetes.api.model.Secret;
+import io.fabric8.kubernetes.api.model.SecretBuilder;
+import org.eclipse.che.api.core.model.workspace.runtime.RuntimeIdentity;
+import org.eclipse.che.api.workspace.server.spi.InfrastructureException;
+import org.eclipse.che.workspace.infrastructure.kubernetes.environment.KubernetesEnvironment;
+import org.eclipse.che.workspace.infrastructure.kubernetes.namespace.K8sVersion;
+import org.eclipse.che.workspace.infrastructure.kubernetes.provision.GitConfigProvisioner;
+import org.mockito.Mock;
+import org.mockito.testng.MockitoTestNGListener;
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Listeners;
+import org.testng.annotations.Test;
+
+@Listeners(MockitoTestNGListener.class)
+public class GitCredentialStorageFileSecretApplierTest {
+
+  @Mock private KubernetesEnvironment environment;
+
+  @Mock private KubernetesEnvironment.PodData podData;
+
+  @Mock private PodSpec podSpec;
+
+  @Mock private RuntimeIdentity runtimeIdentity;
+
+  @Mock private K8sVersion kubernetesVersion;
+
+  GitCredentialStorageFileSecretApplier secretApplier;
+
+  public static final String GIT_CONFIG_CONTENT =
+      "[user]\n\tname = Michelangelo Merisi da Caravaggio\n\tmail = mcaravag@email.not.exists.com";
+
+  @BeforeMethod
+  public void setUp() throws Exception {
+    lenient().when(kubernetesVersion.newerOrEqualThan(1, 13)).thenReturn(true);
+    lenient().when(kubernetesVersion.olderThan(1, 13)).thenReturn(false);
+    secretApplier = new GitCredentialStorageFileSecretApplier(kubernetesVersion);
+    when(environment.getPodsData()).thenReturn(singletonMap("pod1", podData));
+    when(podData.getRole()).thenReturn(KubernetesEnvironment.PodRole.DEPLOYMENT);
+    when(podData.getSpec()).thenReturn(podSpec);
+    when(runtimeIdentity.getWorkspaceId()).thenReturn("ws-1234598");
+  }
+
+  @Test(
+      expectedExceptions = InfrastructureException.class,
+      expectedExceptionsMessageRegExp =
+          "Invalid git credential secret data. It should contain only 1 data item but it have 2")
+  public void shouldThrowInfrastructureExceptionIfSecretsHasMoreOrLessWhen1Data()
+      throws InfrastructureException {
+    // given
+    Secret secret =
+        new SecretBuilder()
+            .withData(ImmutableMap.of("credentials", "random", "credentials2", "random"))
+            .withMetadata(
+                new ObjectMetaBuilder()
+                    .withName("test_secret")
+                    .withAnnotations(
+                        ImmutableMap.of(
+                            ANNOTATION_MOUNT_AS,
+                            "file",
+                            ANNOTATION_MOUNT_PATH,
+                            "/home/user/.git",
+                            GitCredentialStorageFileSecretApplier.ANNOTATION_GIT_CREDENTIALS,
+                            "true",
+                            ANNOTATION_AUTOMOUNT,
+                            "true"))
+                    .withLabels(emptyMap())
+                    .build())
+            .build();
+    // when
+    secretApplier.applySecret(environment, runtimeIdentity, secret);
+  }
+
+  @Test
+  public void shouldBeAbleToAdjustGiConfigConfigMap() throws InfrastructureException {
+    // given
+    Secret secret =
+        new SecretBuilder()
+            .withData(ImmutableMap.of("credentials", "random"))
+            .withMetadata(
+                new ObjectMetaBuilder()
+                    .withName("test_secret")
+                    .withAnnotations(
+                        ImmutableMap.of(
+                            ANNOTATION_MOUNT_AS,
+                            "file",
+                            ANNOTATION_MOUNT_PATH,
+                            "/home/user/.git",
+                            GitCredentialStorageFileSecretApplier.ANNOTATION_GIT_CREDENTIALS,
+                            "true",
+                            ANNOTATION_AUTOMOUNT,
+                            "true"))
+                    .withLabels(emptyMap())
+                    .build())
+            .build();
+
+    ConfigMap configMap =
+        new ConfigMapBuilder()
+            .withData(ImmutableMap.of(GitConfigProvisioner.GIT_CONFIG, GIT_CONFIG_CONTENT))
+            .build();
+    when(environment.getConfigMaps())
+        .thenReturn(
+            ImmutableMap.of(
+                "ws-1234598" + GitConfigProvisioner.GIT_CONFIG_MAP_NAME_SUFFIX, configMap));
+    // when
+    secretApplier.applySecret(environment, runtimeIdentity, secret);
+    // then
+    String data = configMap.getData().get(GitConfigProvisioner.GIT_CONFIG);
+    assertTrue(
+        data.endsWith("[credential]\n\thelper = store --file /home/user/.git/credentials\n"));
+  }
+
+  @Test(
+      expectedExceptions = InfrastructureException.class,
+      expectedExceptionsMessageRegExp =
+          "Multiple git credentials secrets found. Please remove duplication.")
+  public void shouldThrowInfrastructureExceptionIfGitConfigAlreadyContainsSecretConfig()
+      throws InfrastructureException {
+    // given
+    Secret secret =
+        new SecretBuilder()
+            .withData(ImmutableMap.of("credentials", "random"))
+            .withMetadata(
+                new ObjectMetaBuilder()
+                    .withName("test_secret")
+                    .withAnnotations(
+                        ImmutableMap.of(
+                            ANNOTATION_MOUNT_AS,
+                            "file",
+                            ANNOTATION_MOUNT_PATH,
+                            "/home/user/.git",
+                            GitCredentialStorageFileSecretApplier.ANNOTATION_GIT_CREDENTIALS,
+                            "true",
+                            ANNOTATION_AUTOMOUNT,
+                            "true"))
+                    .withLabels(emptyMap())
+                    .build())
+            .build();
+
+    ConfigMap configMap =
+        new ConfigMapBuilder()
+            .withData(
+                ImmutableMap.of(
+                    GitConfigProvisioner.GIT_CONFIG,
+                    GIT_CONFIG_CONTENT
+                        + "[credential]\n\thelper = store --file /home/user/.git/credentials\n"))
+            .build();
+    when(environment.getConfigMaps())
+        .thenReturn(
+            ImmutableMap.of(
+                "ws-1234598" + GitConfigProvisioner.GIT_CONFIG_MAP_NAME_SUFFIX, configMap));
+    // when
+    secretApplier.applySecret(environment, runtimeIdentity, secret);
+  }
+}