summaryrefslogtreecommitdiffstats
path: root/kubernetes/dmaap/components/dmaap-bc/resources
diff options
context:
space:
mode:
authorAlexis de Talhouët <adetalhouet89@gmail.com>2019-05-07 12:31:30 +0000
committerGerrit Code Review <gerrit@onap.org>2019-05-07 12:31:30 +0000
commitf0ae872afc1bcfe75572b998985cb0e9edeaf16e (patch)
treed0869f6042f85bb14f7f73ef562a543337a462bb /kubernetes/dmaap/components/dmaap-bc/resources
parent2138730450a0b917485c7b618b38458562f9394b (diff)
parent9531019f1677016bf34e5e873e970eed59952612 (diff)
Merge "Update DB with latest"
Diffstat (limited to 'kubernetes/dmaap/components/dmaap-bc/resources')
0 files changed, 0 insertions, 0 deletions
168' href='#n168'>168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 
/**
 * Copyright 2013, 2014 IBM Corp.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 **/

var fs = require('fs');
var when = require('when');
var nodeFn = require('when/node/function');
var keys = require('when/keys');
var util = require('util');
var fspath = require("path");
var mkdirp = require("mkdirp");

var promiseDir = nodeFn.lift(mkdirp);

var settings;
var flowsFile;
var flowsFullPath;
var flowsPrev;
var credentialsFile;
var oldCredentialsFile;
var userDir;
var libDir;
var libFlowsDir;
var globalSettingsFile;

function listFiles(dir) {
    var dirs = {};
    var files = [];
    var dirCount = 0;
    return nodeFn.call(fs.readdir, dir).then(function (contents) {
        contents.sort().forEach(function(fn) {
            var stats = fs.lstatSync(dir+"/"+fn);
            if (stats.isDirectory()) {
                dirCount += 1;
                dirs[fn] = listFiles(dir+"/"+fn)
            } else {
                files.push(fn.split(".")[0]);
            }
        })
        var result = {};
        if (dirCount > 0) { result.d = keys.all(dirs); }
        if (files.length > 0) { result.f = when.resolve(files); }
        return keys.all(result);
    })
}

function getFileMeta(root,path) {
    var fn = fspath.join(root,path);
    var fd = fs.openSync(fn,"r");
    var size = fs.fstatSync(fd).size;
    var meta = {};
    var read = 0;
    var length = 10;
    var remaining = "";
    var buffer = Buffer(length);
    while(read < size) {
        read+=fs.readSync(fd,buffer,0,length);
        var data = remaining+buffer.toString();
        var parts = data.split("\n");
        remaining = parts.splice(-1);
        for (var i=0;i<parts.length;i+=1) {
            var match = /^\/\/ (\w+): (.*)/.exec(parts[i]);
            if (match) {
                meta[match[1]] = match[2];
            } else {
                read = size;
                break;
            }
        }
    }
    fs.closeSync(fd);
    return meta;
}

function getFileBody(root,path) {
    var body = "";
    var fn = fspath.join(root,path);
    var fd = fs.openSync(fn,"r");
    var size = fs.fstatSync(fd).size;
    var scanning = true;
    var read = 0;
    var length = 50;
    var remaining = "";
    var buffer = Buffer(length);
    while(read < size) {
        var thisRead = fs.readSync(fd,buffer,0,length);
        read += thisRead;
        if (scanning) {
            var data = remaining+buffer.slice(0,thisRead).toString();
            var parts = data.split("\n");
            remaining = parts.splice(-1)[0];
            for (var i=0;i<parts.length;i+=1) {
                if (! /^\/\/ \w+: /.test(parts[i])) {
                    scanning = false;
                    body += parts[i]+"\n";
                }
            }
            if (! /^\/\/ \w+: /.test(remaining)) {
                scanning = false;
            }
            if (!scanning) {
                body += remaining;
            }
        } else {
            body += buffer.slice(0,thisRead).toString();
        }
    }
    fs.closeSync(fd);
    return body;
}

var localfilesystem = {
    init: function(_settings) {
        settings = _settings;
        userDir = settings.userDir || process.env.NODE_RED_HOME;

        if (settings.flowFile) {
            flowsFile = settings.flowFile;
            flowsFullPath = flowsFile;
        } else {
            flowsFile = 'flows_'+require('os').hostname()+'.json';
            flowsFullPath = fspath.join(userDir,flowsFile);
        }
        var fsext = fspath.extname(flowsFile);
        credentialsFile = fspath.join(userDir,fspath.basename(flowsFile,fsext)+"_cred"+fsext);
        oldCredentialsFile = fspath.join(userDir,"credentials.json");
        flowsPrev = fspath.join(userDir,"flows.backup");

        libDir = fspath.join(userDir,"lib");
        libFlowsDir = fspath.join(libDir,"flows");

        
        globalSettingsFile = fspath.join(userDir,".config.json");
        
        return promiseDir(libFlowsDir);
    },

    getFlows: function() {
        var defer = when.defer();
        fs.exists(flowsFullPath, function(exists) {
            if (exists) {
                util.log("[red] Loading flows : "+flowsFile);
                defer.resolve(nodeFn.call(fs.readFile,flowsFullPath,'utf8').then(function(data) {
                    return JSON.parse(data);
                }));
            } else {
                util.log("[red] Flows file not found : "+flowsFile   );
                defer.resolve([]);
            }
        });
        return defer.promise;
    },

    saveFlows: function(flows) {
        if (fs.existsSync(flowsFullPath)) {
            fs.renameSync(flowsFullPath,flowsPrev);
        }
        
        var flowData;
        
        if (settings.flowFilePretty) {
            flowData = JSON.stringify(flows,null,4);
        } else {
            flowData = JSON.stringify(flows);
        }
       	console.log("Writing to file:" + flowsFullPath); 
        return nodeFn.call(fs.writeFile, flowsFullPath, flowData);
    },

    getCredentials: function() {
        var defer = when.defer();
        fs.exists(credentialsFile, function(exists) {
            if (exists) {
                defer.resolve(nodeFn.call(fs.readFile, credentialsFile, 'utf8').then(function(data) {
                    return JSON.parse(data)
                }));
            } else {
                fs.exists(oldCredentialsFile, function(exists) {
                    if (exists) {
                        defer.resolve(nodeFn.call(fs.readFile, oldCredentialsFile, 'utf8').then(function(data) {
                            return JSON.parse(data)
                        }));
                    } else {
                        defer.resolve({});
                    }
                });
            }
        });
        return defer.promise;
    },

    saveCredentials: function(credentials) {
        var credentialData;
        if (settings.flowFilePretty) {
            credentialData = JSON.stringify(credentials,null,4);
        } else {
            credentialData = JSON.stringify(credentials);
        }
        
        return nodeFn.call(fs.writeFile, credentialsFile, credentialData)
    },
    
    getSettings: function() {
        if (fs.existsSync(globalSettingsFile)) {
            return nodeFn.call(fs.readFile,globalSettingsFile,'utf8').then(function(data) {
                if (data) {
                    try {
                        return JSON.parse(data);
                    } catch(err) {
                        util.log("[red] Corrupted config detected - resetting");
                        return {};
                    }
                } else {
                    return {};
                }
            });
        }
        return when.resolve({});
    },
    saveSettings: function(settings) {
        return nodeFn.call(fs.writeFile,globalSettingsFile,JSON.stringify(settings,null,1),'utf8');
    },
    
    
    getAllFlows: function() {
        return listFiles(libFlowsDir);
    },

    getFlow: function(fn) {
        var defer = when.defer();
        var file = fspath.join(libFlowsDir,fn+".json");
        fs.exists(file, function(exists) {
            if (exists) {
                defer.resolve(nodeFn.call(fs.readFile,file,'utf8'));
            } else {
                defer.reject();
            }
        });
        return defer.promise;
    },

    saveFlow: function(fn,data) {
        var file = fspath.join(libFlowsDir,fn+".json");
        return promiseDir(fspath.dirname(file)).then(function () {
            return nodeFn.call(fs.writeFile, file, data);
        });
    },

    getLibraryEntry: function(type,path) {
        var root = fspath.join(libDir,type);
        var rootPath = fspath.join(libDir,type,path);
        return promiseDir(root).then(function () {
            return nodeFn.call(fs.lstat, rootPath).then(function(stats) {
                if (stats.isFile()) {
                    return getFileBody(root,path);
                }
                if (path.substr(-1) == '/') {
                    path = path.substr(0,path.length-1);
                }
                return nodeFn.call(fs.readdir, rootPath).then(function(fns) {
                    var dirs = [];
                    var files = [];
                    fns.sort().filter(function(fn) {
                        var fullPath = fspath.join(path,fn);
                        var absoluteFullPath = fspath.join(root,fullPath);
                        if (fn[0] != ".") {
                            var stats = fs.lstatSync(absoluteFullPath);
                            if (stats.isDirectory()) {
                                dirs.push(fn);
                            } else {
                                var meta = getFileMeta(root,fullPath);
                                meta.fn = fn;
                                files.push(meta);
                            }
                        }
                    });
                    return dirs.concat(files);
                });
            });
        });
    },

    saveLibraryEntry: function(type,path,meta,body) {
        var fn = fspath.join(libDir, type, path);
        var headers = "";
        for (var i in meta) {
            if (meta.hasOwnProperty(i)) {
                headers += "// "+i+": "+meta[i]+"\n";
            }
        }
        return promiseDir(fspath.dirname(fn)).then(function () {
            nodeFn.call(fs.writeFile, fn, headers+body);
        });
    }
};

module.exports = localfilesystem;