X-Git-Url: https://git.arvados.org/arvados-workbench2.git/blobdiff_plain/f0d519637c997df11d5b1a1b32b3d9e4a2872325..646e1d88d8aac461e0a13b6c0f1aa1b198e3659c:/src/common/config.ts

diff --git a/src/common/config.ts b/src/common/config.ts
index 492328d9..496b0b78 100644
--- a/src/common/config.ts
+++ b/src/common/config.ts
@@ -4,30 +4,157 @@
 
 import Axios from "axios";
 
-export const CONFIG_URL = process.env.REACT_APP_ARVADOS_CONFIG_URL || "/config.json";
+export const WORKBENCH_CONFIG_URL = process.env.REACT_APP_ARVADOS_CONFIG_URL || "/config.json";
 
-export interface Config {
-    apiHost: string;
-    keepWebHost: string;
+interface WorkbenchConfig {
+    API_HOST: string;
+    VOCABULARY_URL?: string;
+    FILE_VIEWERS_CONFIG_URL?: string;
+}
+
+export interface ClusterConfigJSON {
+    ClusterID: string;
+    RemoteClusters: {
+        [key: string]: {
+            ActivateUsers: boolean
+            Host: string
+            Insecure: boolean
+            Proxy: boolean
+            Scheme: string
+        }
+    };
+    Services: {
+        Controller: {
+            ExternalURL: string
+        }
+        Workbench1: {
+            ExternalURL: string
+        }
+        Workbench2: {
+            ExternalURL: string
+        }
+        Websocket: {
+            ExternalURL: string
+        }
+        WebDAV: {
+            ExternalURL: string
+        }
+    };
+    Workbench: {
+        ArvadosDocsite: string;
+        VocabularyURL: string;
+        FileViewersConfigURL: string;
+    };
+}
+
+export class Config {
+    baseUrl: string;
+    keepWebServiceUrl: string;
+    remoteHosts: {
+        [key: string]: string
+    };
+    rootUrl: string;
+    uuidPrefix: string;
+    websocketUrl: string;
+    workbenchUrl: string;
+    workbench2Url: string;
+    vocabularyUrl: string;
+    fileViewersConfigUrl: string;
 }
 
 export const fetchConfig = () => {
     return Axios
-        .get<Config>(CONFIG_URL + "?nocache=" + (new Date()).getTime())
+        .get<WorkbenchConfig>(WORKBENCH_CONFIG_URL + "?nocache=" + (new Date()).getTime())
         .then(response => response.data)
-        .catch(() => Promise.resolve(getDefaultConfig()))
-        .then(mapConfig);
+        .catch(() => {
+            console.warn(`There was an exception getting the Workbench config file at ${WORKBENCH_CONFIG_URL}. Using defaults instead.`);
+            return Promise.resolve(getDefaultConfig());
+        })
+        .then(workbenchConfig => {
+            if (workbenchConfig.API_HOST === undefined) {
+                throw new Error(`Unable to start Workbench. API_HOST is undefined in ${WORKBENCH_CONFIG_URL} or the environment.`);
+            }
+            return Axios.get<ClusterConfigJSON>(getClusterConfigURL(workbenchConfig.API_HOST)).then(response => {
+                const config = new Config();
+                const clusterConfigJSON = response.data;
+                const warnLocalConfig = (varName: string) => console.warn(
+                    `A value for ${varName} was found in ${WORKBENCH_CONFIG_URL}. To use the Arvados centralized configuration instead, \
+remove the entire ${varName} entry from ${WORKBENCH_CONFIG_URL}`);
+
+                // Check if the workbench config has an entry for vocabulary and file viewer URLs
+                // If so, use these values (even if it is an empty string), but print a console warning.
+                // Otherwise, use the cluster config.
+                let fileViewerConfigUrl;
+                if (workbenchConfig.FILE_VIEWERS_CONFIG_URL !== undefined) {
+                    warnLocalConfig("FILE_VIEWERS_CONFIG_URL");
+                    fileViewerConfigUrl = workbenchConfig.FILE_VIEWERS_CONFIG_URL;
+                }
+                else {
+                    fileViewerConfigUrl = clusterConfigJSON.Workbench.FileViewersConfigURL || "/file-viewers-example.json";
+                }
+                config.fileViewersConfigUrl = fileViewerConfigUrl;
+
+                let vocabularyUrl;
+                if (workbenchConfig.VOCABULARY_URL !== undefined) {
+                    warnLocalConfig("VOCABULARY_URL");
+                    vocabularyUrl = workbenchConfig.VOCABULARY_URL;
+                }
+                else {
+                    vocabularyUrl = clusterConfigJSON.Workbench.VocabularyURL || "/vocabulary-example.json";
+                }
+                config.vocabularyUrl = vocabularyUrl;
+
+                config.rootUrl = clusterConfigJSON.Services.Controller.ExternalURL;
+                config.baseUrl = `${config.rootUrl}/${ARVADOS_API_PATH}`;
+                config.uuidPrefix = clusterConfigJSON.ClusterID;
+                config.websocketUrl = clusterConfigJSON.Services.Websocket.ExternalURL;
+                config.workbench2Url = clusterConfigJSON.Services.Workbench2.ExternalURL;
+                config.workbenchUrl = clusterConfigJSON.Services.Workbench1.ExternalURL;
+                config.keepWebServiceUrl = clusterConfigJSON.Services.WebDAV.ExternalURL;
+                mapRemoteHosts(clusterConfigJSON, config);
+
+                return { config, apiHost: workbenchConfig.API_HOST };
+            });
+        });
 };
 
-const mapConfig = (config: Config): Config => ({
-    ...config,
-    apiHost: addProtocol(config.apiHost),
-    keepWebHost: addProtocol(config.keepWebHost)
-});
+// Maps remote cluster hosts and removes the default RemoteCluster entry
+export const mapRemoteHosts = (clusterConfigJSON: ClusterConfigJSON, config: Config) => {
+    config.remoteHosts = {};
+    Object.keys(clusterConfigJSON.RemoteClusters).forEach(k => { config.remoteHosts[k] = clusterConfigJSON.RemoteClusters[k].Host; });
+    delete config.remoteHosts["*"];
+};
 
-const getDefaultConfig = (): Config => ({
-    apiHost: process.env.REACT_APP_ARVADOS_API_HOST || "",
-    keepWebHost: process.env.REACT_APP_ARVADOS_KEEP_WEB_HOST || ""
+export const mockConfig = (config: Partial<Config>): Config => ({
+    baseUrl: "",
+    keepWebServiceUrl: "",
+    remoteHosts: {},
+    rootUrl: "",
+    uuidPrefix: "",
+    websocketUrl: "",
+    workbenchUrl: "",
+    workbench2Url: "",
+    vocabularyUrl: "",
+    fileViewersConfigUrl: ""
 });
 
-const addProtocol = (url: string) => `${window.location.protocol}//${url}`;
+const getDefaultConfig = (): WorkbenchConfig => {
+    let apiHost = "";
+    const envHost = process.env.REACT_APP_ARVADOS_API_HOST;
+    if (envHost !== undefined) {
+        console.warn(`Using default API host ${envHost}.`);
+        apiHost = envHost;
+    }
+    else {
+        console.warn(`No API host was found in the environment. Workbench may not be able to communicate with Arvados components.`);
+    }
+    return {
+        API_HOST: apiHost,
+        VOCABULARY_URL: undefined,
+        FILE_VIEWERS_CONFIG_URL: undefined,
+    };
+};
+
+export const ARVADOS_API_PATH = "arvados/v1";
+export const CLUSTER_CONFIG_URL = "arvados/v1/config";
+export const getClusterConfigURL = (apiHost: string) => `${window.location.protocol}//${apiHost}/${CLUSTER_CONFIG_URL}?nocache=${(new Date()).getTime()}`;
\ No newline at end of file