Intercept ScmComunicationException on workspace start

infrastructures/infrastructure-factory/src/main/java/org/eclipse/che/api/factory/server/scm/kubernetes/KubernetesPersonalAccessTokenManager.java

@@ -152,7 +152,7 @@ public PersonalAccessToken fetchAndSave(Subject cheUser, String scmServerUrl)
 
   @Override
   public Optional<PersonalAccessToken> get(Subject cheUser, String scmServerUrl)
-      throws ScmConfigurationPersistenceException {
+      throws ScmConfigurationPersistenceException, ScmCommunicationException {
     return doGetPersonalAccessTokens(cheUser, null, scmServerUrl).stream().findFirst();
   }
 
@@ -174,13 +174,13 @@ public PersonalAccessToken get(String scmServerUrl)
   @Override
   public Optional<PersonalAccessToken> get(
       Subject cheUser, String oAuthProviderName, @Nullable String scmServerUrl)
-      throws ScmConfigurationPersistenceException {
+      throws ScmConfigurationPersistenceException, ScmCommunicationException {
     return doGetPersonalAccessTokens(cheUser, oAuthProviderName, scmServerUrl).stream().findFirst();
   }
 
   private List<PersonalAccessToken> doGetPersonalAccessTokens(
       Subject cheUser, @Nullable String oAuthProviderName, @Nullable String scmServerUrl)
-      throws ScmConfigurationPersistenceException {
+      throws ScmConfigurationPersistenceException, ScmCommunicationException {
     List<PersonalAccessToken> result = new ArrayList<>();
     try {
       LOG.debug(
@@ -358,7 +358,8 @@ public void forceRefreshPersonalAccessToken(String scmServerUrl)
   }
 
   private void removePreviousTokensIfPresent(Subject subject, String scmServerUrl)
-      throws ScmConfigurationPersistenceException, UnsatisfiedScmPreconditionException {
+      throws ScmConfigurationPersistenceException, UnsatisfiedScmPreconditionException,
+          ScmCommunicationException {
     List<PersonalAccessToken> personalAccessTokens =
         doGetPersonalAccessTokens(subject, null, scmServerUrl);
     for (int i = 1; i < personalAccessTokens.size(); i++) {

infrastructures/kubernetes/src/main/java/org/eclipse/che/workspace/infrastructure/kubernetes/namespace/configurator/CredentialsSecretConfigurator.java

@@ -25,6 +25,8 @@
 import org.eclipse.che.api.workspace.server.spi.InfrastructureException;
 import org.eclipse.che.api.workspace.server.spi.NamespaceResolutionContext;
 import org.eclipse.che.workspace.infrastructure.kubernetes.CheServerKubernetesClientFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * This {@link NamespaceConfigurator} ensures that Secret {@link
@@ -45,6 +47,8 @@ public class CredentialsSecretConfigurator implements NamespaceConfigurator {
   private static final String MERGED_GIT_CREDENTIALS_SECRET_NAME =
       "devworkspace-merged-git-credentials";
 
+  private static final Logger LOG = LoggerFactory.getLogger(CredentialsSecretConfigurator.class);
+
   @Inject
   public CredentialsSecretConfigurator(
       CheServerKubernetesClientFactory cheServerKubernetesClientFactory,
@@ -79,7 +83,7 @@ public void configure(NamespaceResolutionContext namespaceResolutionContext, Str
                   | ScmConfigurationPersistenceException
                   | UnsatisfiedScmPreconditionException
                   | ScmUnauthorizedException e) {
-                throw new RuntimeException(e);
+                LOG.error(e.getMessage(), e);
               }
             });
   }

infrastructures/kubernetes/src/main/java/org/eclipse/che/workspace/infrastructure/kubernetes/namespace/configurator/OAuthTokenSecretsConfigurator.java

@@ -17,12 +17,15 @@
 import javax.inject.Singleton;
 import org.eclipse.che.api.factory.server.scm.PersonalAccessTokenFetcher;
 import org.eclipse.che.api.factory.server.scm.PersonalAccessTokenManager;
+import org.eclipse.che.api.factory.server.scm.exception.ScmCommunicationException;
 import org.eclipse.che.api.factory.server.scm.exception.ScmConfigurationPersistenceException;
 import org.eclipse.che.api.workspace.server.spi.InfrastructureException;
 import org.eclipse.che.api.workspace.server.spi.NamespaceResolutionContext;
 import org.eclipse.che.commons.env.EnvironmentContext;
 import org.eclipse.che.commons.subject.Subject;
 import org.eclipse.che.workspace.infrastructure.kubernetes.CheServerKubernetesClientFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Ensures that OAuth token that are represented by Kubernetes Secrets are valid.
@@ -44,6 +47,8 @@ public class OAuthTokenSecretsConfigurator implements NamespaceConfigurator {
           "app.kubernetes.io/part-of", "che.eclipse.org",
           "app.kubernetes.io/component", "scm-personal-access-token");
 
+  private static final Logger LOG = LoggerFactory.getLogger(OAuthTokenSecretsConfigurator.class);
+
   @Inject
   public OAuthTokenSecretsConfigurator(
       CheServerKubernetesClientFactory cheServerKubernetesClientFactory,
@@ -74,8 +79,8 @@ public void configure(NamespaceResolutionContext namespaceResolutionContext, Str
                 Subject cheSubject = EnvironmentContext.getCurrent().getSubject();
                 personalAccessTokenManager.get(
                     cheSubject, s.getMetadata().getAnnotations().get(ANNOTATION_SCM_URL));
-              } catch (ScmConfigurationPersistenceException e) {
-                throw new RuntimeException(e);
+              } catch (ScmConfigurationPersistenceException | ScmCommunicationException e) {
+                LOG.error(e.getMessage(), e);
               }
             });
   }

wsmaster/che-core-api-auth/src/main/java/org/eclipse/che/security/oauth/EmbeddedOAuthAPI.java

@@ -43,6 +43,7 @@
 import org.eclipse.che.api.core.util.LinksHelper;
 import org.eclipse.che.api.factory.server.scm.PersonalAccessToken;
 import org.eclipse.che.api.factory.server.scm.PersonalAccessTokenManager;
+import org.eclipse.che.api.factory.server.scm.exception.ScmCommunicationException;
 import org.eclipse.che.api.factory.server.scm.exception.ScmConfigurationPersistenceException;
 import org.eclipse.che.api.factory.server.scm.exception.UnsatisfiedScmPreconditionException;
 import org.eclipse.che.commons.annotation.Nullable;
@@ -237,7 +238,7 @@ public OAuthToken getOrRefreshToken(String oauthProvider)
           if (tokenOptional.isPresent()) {
             return newDto(OAuthToken.class).withToken(tokenOptional.get().getToken());
           }
-        } catch (ScmConfigurationPersistenceException e) {
+        } catch (ScmConfigurationPersistenceException | ScmCommunicationException e) {
           throw new RuntimeException(e);
         }
       }

wsmaster/che-core-api-factory-azure-devops/src/main/java/org/eclipse/che/api/factory/server/azure/devops/AzureDevOpsPersonalAccessTokenFetcher.java

@@ -169,7 +169,8 @@ public Optional<Boolean> isValid(PersonalAccessToken personalAccessToken) {
   }
 
   @Override
-  public Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params) {
+  public Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params)
+      throws ScmCommunicationException {
     if (!isValidScmServerUrl(params.getScmProviderUrl())) {
       LOG.debug("not a valid url {} for current fetcher ", params.getScmProviderUrl());
       return Optional.empty();
@@ -183,7 +184,7 @@ public Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params)
         user = azureDevOpsApiClient.getUserWithPAT(params.getToken(), params.getOrganization());
       }
       return Optional.of(Pair.of(Boolean.TRUE, user.getEmailAddress()));
-    } catch (ScmItemNotFoundException | ScmCommunicationException | ScmBadRequestException e) {
+    } catch (ScmItemNotFoundException | ScmBadRequestException e) {
       return Optional.empty();
     }
   }

wsmaster/che-core-api-factory-bitbucket-server/src/main/java/org/eclipse/che/api/factory/server/bitbucket/BitbucketServerPersonalAccessTokenFetcher.java

@@ -158,7 +158,8 @@ public Optional<Boolean> isValid(PersonalAccessToken accessToken)
   }
 
   @Override
-  public Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params) {
+  public Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params)
+      throws ScmCommunicationException {
     if (!bitbucketServerApiClient.isConnected(params.getScmProviderUrl())) {
       // If BitBucket oAuth is not configured check the manually added user namespace token.
       HttpBitbucketServerApiClient apiClient =
@@ -180,7 +181,7 @@ public Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params)
     try {
       BitbucketUser user = bitbucketServerApiClient.getUser(params.getToken());
       return Optional.of(Pair.of(Boolean.TRUE, user.getName()));
-    } catch (ScmItemNotFoundException | ScmUnauthorizedException | ScmCommunicationException e) {
+    } catch (ScmItemNotFoundException | ScmUnauthorizedException e) {
       return Optional.empty();
     }
   }

wsmaster/che-core-api-factory-bitbucket-server/src/main/java/org/eclipse/che/api/factory/server/bitbucket/BitbucketServerURLParser.java

@@ -96,7 +96,7 @@ private boolean isUserTokenPresent(String repositoryUrl) {
         Optional<PersonalAccessToken> token =
             personalAccessTokenManager.get(EnvironmentContext.getCurrent().getSubject(), serverUrl);
         return token.isPresent() && token.get().getScmTokenName().equals(OAUTH_PROVIDER_NAME);
-      } catch (ScmConfigurationPersistenceException exception) {
+      } catch (ScmConfigurationPersistenceException | ScmCommunicationException exception) {
         return false;
       }
     }

wsmaster/che-core-api-factory-bitbucket/src/main/java/org/eclipse/che/api/factory/server/bitbucket/BitbucketPersonalAccessTokenFetcher.java

@@ -172,7 +172,8 @@ public Optional<Boolean> isValid(PersonalAccessToken personalAccessToken) {
   }
 
   @Override
-  public Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params) {
+  public Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params)
+      throws ScmCommunicationException {
     if (!bitbucketApiClient.isConnected(params.getScmProviderUrl())) {
       LOG.debug("not a valid url {} for current fetcher ", params.getScmProviderUrl());
       return Optional.empty();
@@ -184,7 +185,7 @@ public Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params)
           Pair.of(
               isValidScope(Sets.newHashSet(pair.second)) ? Boolean.TRUE : Boolean.FALSE,
               pair.first));
-    } catch (ScmItemNotFoundException | ScmCommunicationException | ScmBadRequestException e) {
+    } catch (ScmItemNotFoundException | ScmBadRequestException e) {
       return Optional.empty();
     }
   }

wsmaster/che-core-api-factory-github-common/src/main/java/org/eclipse/che/api/factory/server/github/AbstractGithubPersonalAccessTokenFetcher.java

@@ -221,7 +221,8 @@ public Optional<Boolean> isValid(PersonalAccessToken personalAccessToken) {
   }
 
   @Override
-  public Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params) {
+  public Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params)
+      throws ScmCommunicationException {
     GithubApiClient apiClient;
     if (githubApiClient.isConnected(params.getScmProviderUrl())) {
       // The url from the token has the same url as the api client, no need to create a new one.
@@ -247,7 +248,7 @@ public Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params)
         GithubUser user = apiClient.getUser(params.getToken());
         return Optional.of(Pair.of(Boolean.TRUE, user.getLogin()));
       }
-    } catch (ScmItemNotFoundException | ScmCommunicationException | ScmBadRequestException e) {
+    } catch (ScmItemNotFoundException | ScmBadRequestException e) {
       return Optional.empty();
     }
   }

wsmaster/che-core-api-factory-github-common/src/main/java/org/eclipse/che/api/factory/server/github/AbstractGithubURLParser.java

@@ -121,7 +121,7 @@ private boolean isUserTokenPresent(String repositoryUrl) {
           PersonalAccessToken accessToken = token.get();
           return accessToken.getScmTokenName().equals(providerName);
         }
-      } catch (ScmConfigurationPersistenceException exception) {
+      } catch (ScmConfigurationPersistenceException | ScmCommunicationException exception) {
         return false;
       }
     }

wsmaster/che-core-api-factory-gitlab/src/main/java/org/eclipse/che/api/factory/server/gitlab/GitlabOAuthTokenFetcher.java

@@ -208,7 +208,8 @@ public Optional<Boolean> isValid(PersonalAccessToken personalAccessToken) {
   }
 
   @Override
-  public Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params) {
+  public Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params)
+      throws ScmCommunicationException {
     GitlabApiClient gitlabApiClient = getApiClient(params.getScmProviderUrl());
     if (gitlabApiClient == null || !gitlabApiClient.isConnected(params.getScmProviderUrl())) {
       if (OAUTH_PROVIDER_NAME.equals(params.getScmTokenName())) {
@@ -234,7 +235,7 @@ public Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params)
       // latest GitLab version, we just perform check by accessing something from API.
       // TODO: add PAT scope validation
       return Optional.of(Pair.of(Boolean.TRUE, user.getUsername()));
-    } catch (ScmItemNotFoundException | ScmCommunicationException | ScmBadRequestException e) {
+    } catch (ScmItemNotFoundException | ScmBadRequestException e) {
       return Optional.empty();
     }
   }

wsmaster/che-core-api-factory-gitlab/src/main/java/org/eclipse/che/api/factory/server/gitlab/GitlabUrlParser.java

@@ -90,7 +90,7 @@ private boolean isUserTokenPresent(String repositoryUrl) {
           PersonalAccessToken accessToken = token.get();
           return accessToken.getScmTokenName().equals(OAUTH_PROVIDER_NAME);
         }
-      } catch (ScmConfigurationPersistenceException exception) {
+      } catch (ScmConfigurationPersistenceException | ScmCommunicationException exception) {
         return false;
       }
     }

wsmaster/che-core-api-factory/src/main/java/org/eclipse/che/api/factory/server/ApiExceptionMapper.java

@@ -11,11 +11,15 @@
  */
 package org.eclipse.che.api.factory.server;
 
+import static com.google.common.base.Strings.isNullOrEmpty;
+import static org.eclipse.che.dto.server.DtoFactory.newDto;
+
 import java.util.Map;
 import org.eclipse.che.api.core.ApiException;
 import org.eclipse.che.api.core.BadRequestException;
 import org.eclipse.che.api.core.ServerException;
 import org.eclipse.che.api.core.UnauthorizedException;
+import org.eclipse.che.api.core.rest.shared.dto.ExtendedError;
 import org.eclipse.che.api.factory.server.scm.exception.ScmCommunicationException;
 import org.eclipse.che.api.factory.server.scm.exception.ScmUnauthorizedException;
 import org.eclipse.che.api.factory.server.scm.exception.UnknownScmProviderException;
@@ -48,6 +52,16 @@ public static ApiException toApiException(ScmUnauthorizedException scmUnauthoriz
                 + scmUnauthorizedException.getMessage());
   }
 
+  public static ApiException toApiException(ScmCommunicationException scmCommunicationException) {
+    ApiException apiException = getApiException(scmCommunicationException);
+    return (apiException != null)
+        ? apiException
+        : new ServerException(
+            "Error occurred during SCM communication."
+                + "Cause: "
+                + scmCommunicationException.getMessage());
+  }
+
   public static ApiException toApiException(
       DevfileException devfileException, DevfileLocation location) {
     ApiException cause = getApiException(devfileException.getCause());
@@ -70,15 +84,25 @@ private static ApiException getApiException(Throwable throwable) {
               "oauth_version", scmCause.getOauthVersion(),
               "oauth_provider", scmCause.getOauthProvider(),
               "oauth_authentication_url", scmCause.getAuthenticateUrl()));
-    } else if (throwable instanceof UnknownScmProviderException) {
-      return new ServerException(
-          "Provided location is unknown or misconfigured on the server side. Error message: "
-              + throwable.getMessage());
-    } else if (throwable instanceof ScmCommunicationException) {
-      return new ServerException(
-          "There is an error happened when communicate with SCM server. Error message: "
-              + throwable.getMessage());
+    } else {
+      if (throwable instanceof UnknownScmProviderException) {
+        return new ServerException(
+            appendErrorMessage(
+                "Provided location is unknown or misconfigured on the server side",
+                throwable.getMessage()));
+      } else if (throwable instanceof ScmCommunicationException) {
+        return new ApiException(
+            newDto(ExtendedError.class)
+                .withMessage(
+                    appendErrorMessage(
+                        "Error occurred during SCM communication.", throwable.getMessage()))
+                .withErrorCode(404));
+      }
     }
     return null;
   }
+
+  private static String appendErrorMessage(String message, String errorMessage) {
+    return message + (isNullOrEmpty(errorMessage) ? "" : " Error message: " + errorMessage);
+  }
 }

wsmaster/che-core-api-factory/src/main/java/org/eclipse/che/api/factory/server/FactoryService.java

@@ -159,13 +159,14 @@ public void refreshToken(@Parameter(description = "Factory url") @QueryParam("ur
           personalAccessTokenManager.getAndStore(scmServerUrl);
         }
       }
-    } catch (ScmCommunicationException
-        | ScmConfigurationPersistenceException
+    } catch (ScmConfigurationPersistenceException
         | UnknownScmProviderException
         | UnsatisfiedScmPreconditionException e) {
       throw new ApiException(e);
     } catch (ScmUnauthorizedException e) {
       throw toApiException(e);
+    } catch (ScmCommunicationException e) {
+      throw toApiException(e);
     }
   }
 

wsmaster/che-core-api-factory/src/main/java/org/eclipse/che/api/factory/server/scm/PersonalAccessTokenFetcher.java

@@ -75,6 +75,8 @@ Optional<Boolean> isValid(PersonalAccessToken personalAccessToken)
    *     the token has expected scope of permissions, false if the token scopes does not match the
    *     expected ones. Empty optional if {@link PersonalAccessTokenFetcher} is not able to confirm
    *     or deny that token is valid.
+   * @throws ScmCommunicationException - problem occurred during communication with SCM server.
    */
-  Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params);
+  Optional<Pair<Boolean, String>> isValid(PersonalAccessTokenParams params)
+      throws ScmCommunicationException;
 }

wsmaster/che-core-api-factory/src/main/java/org/eclipse/che/api/factory/server/scm/PersonalAccessTokenManager.java

@@ -48,9 +48,10 @@ PersonalAccessToken fetchAndSave(Subject cheUser, String scmServerUrl)
    * @return personal access token
    * @throws ScmConfigurationPersistenceException - problem occurred during communication with
    *     permanent storage.
+   * @throws ScmCommunicationException - problem occurred during communication with SCM server.
    */
   Optional<PersonalAccessToken> get(Subject cheUser, String scmServerUrl)
-      throws ScmConfigurationPersistenceException;
+      throws ScmConfigurationPersistenceException, ScmCommunicationException;
 
   /**
    * Gets {@link PersonalAccessToken} from permanent storage.
@@ -79,10 +80,11 @@ PersonalAccessToken get(String scmServerUrl)
    * @return personal access token
    * @throws ScmConfigurationPersistenceException - problem occurred during communication with
    *     permanent storage.
+   * @throws ScmCommunicationException - problem occurred during communication with SCM server.
    */
   Optional<PersonalAccessToken> get(
       Subject cheUser, String oAuthProviderName, @Nullable String scmServerUrl)
-      throws ScmConfigurationPersistenceException;
+      throws ScmConfigurationPersistenceException, ScmCommunicationException;
 
   /**
    * Gets {@link PersonalAccessToken} from permanent storage. If the token is not found try to fetch

wsmaster/che-core-api-factory/src/main/java/org/eclipse/che/api/factory/server/scm/ScmPersonalAccessTokenFetcher.java

@@ -94,7 +94,7 @@ public boolean isValid(PersonalAccessToken personalAccessToken)
    * fetchers return an scm username, return it. Otherwise, return null.
    */
   public Optional<String> getScmUsername(PersonalAccessTokenParams params)
-      throws UnknownScmProviderException {
+      throws UnknownScmProviderException, ScmCommunicationException {
     for (PersonalAccessTokenFetcher fetcher : personalAccessTokenFetchers) {
       Optional<Pair<Boolean, String>> isValid = fetcher.isValid(params);
       if (isValid.isPresent() && isValid.get().first) {