Examples with TransformationErrorException de.cinovo.cloudconductor.agent.exceptions.TransformationErrorException used on opensource projects

Example 1 with TransformationErrorException

use of de.cinovo.cloudconductor.agent.exceptions.TransformationErrorException in project cloudconductor-agent-redhat by cinovo.

the class FileExecutor method execute.

@Override
public IExecutor<Set<String>> execute() throws ExecutionError {
    this.errors = new StringBuilder();
    for (ConfigFile configFile : this.files) {
        boolean changeOccured = false;
        if (configFile.isDirectory()) {
            File dirs = new File(configFile.getTargetPath());
            String dirMode = configFile.getFileMode();
            if (!dirs.exists()) {
                // create missing directories
                if (dirs.mkdirs()) {
                    changeOccured = true;
                    this.checkDirPermOwner(dirs, dirMode, configFile.getOwner(), configFile.getGroup());
                }
            } else {
                changeOccured = this.checkDirPermOwner(dirs, dirMode, configFile.getOwner(), configFile.getGroup());
            }
        } else {
            // in case config file is a file
            File localFile = new File(configFile.getTargetPath());
            HashCode localFileHash = FileHelper.getChecksum(localFile);
            String serverFile;
            try {
                serverFile = ServerCom.getFileData(configFile);
            } catch (TransformationErrorException | CloudConductorException e) {
                FileExecutor.LOGGER.error("Error getting file data for config file '" + configFile.getName() + "': ", e);
                continue;
            }
            HashCode serverFileHash = FileHelper.getChecksum(serverFile);
            if (!serverFileHash.equals(localFileHash)) {
                try {
                    FileExecutor.LOGGER.debug("Update config file '" + configFile.getName() + "'...");
                    Files.createParentDirs(localFile);
                    Files.write(serverFile, localFile, Charset.forName("UTF-8"));
                    changeOccured = true;
                } catch (IOException e) {
                    // add error to exception list
                    this.errors.append("Failed to write file: " + localFile.getAbsolutePath());
                    this.errors.append(System.lineSeparator());
                    // just skip this file
                    continue;
                }
            }
            // set file owner and group
            try {
                if (!FileHelper.isFileOwner(localFile, configFile.getOwner(), configFile.getGroup())) {
                    FileHelper.chown(localFile, configFile.getOwner(), configFile.getGroup());
                    changeOccured = true;
                }
            } catch (IOException e) {
                this.errors.append("Failed to set user and/or group for file: " + localFile.getAbsolutePath());
                this.errors.append(System.lineSeparator());
            }
            // set file mode
            try {
                String fileMode = FileHelper.fileModeIntToString(ServerCom.getFileMode(configFile.getName()));
                if (!FileHelper.isFileMode(localFile, fileMode)) {
                    FileHelper.chmod(localFile, fileMode);
                    changeOccured = true;
                }
            } catch (IOException e) {
                this.errors.append("Failed to set chmod for file: " + localFile.getAbsolutePath());
                this.errors.append(System.lineSeparator());
            } catch (CloudConductorException e) {
                this.errors.append(e.getMessage());
                this.errors.append(System.lineSeparator());
            }
        }
        // set services to restart
        if (configFile.isReloadable() && changeOccured) {
            Set<String> servicesToRestart = configFile.getDependentServices();
            this.restart.addAll(servicesToRestart);
            FileExecutor.LOGGER.debug("Config file changed, " + servicesToRestart.size() + " services have to be restarted!");
        }
    }
    if (!this.errors.toString().trim().isEmpty()) {
        throw new ExecutionError(this.errors.toString().trim());
    }
    return this;
}

Example 2 with TransformationErrorException

use of de.cinovo.cloudconductor.agent.exceptions.TransformationErrorException in project cloudconductor-agent-redhat by cinovo.

the class ServerCom method getFileData.

/**
 * @param cf the file
 * @return the data
 * @throws CloudConductorException thrown if communication with cloudconductor failed
 * @throws TransformationErrorException error on generating the localized config file
 */
public static String getFileData(ConfigFile cf) throws CloudConductorException, TransformationErrorException {
    try {
        String content = ServerCom.agent.getConfigFileData(cf.getName());
        content = content.replaceAll("\\r\\n", "\n");
        content = content.replaceAll("\\r", "\n");
        if (!cf.isTemplate()) {
            return content;
        }
        StringWriter w = new StringWriter();
        try {
            Velocity.evaluate(AgentState.vContext(), w, "configfileGen", content);
        } catch (ParseErrorException | MethodInvocationException | ResourceNotFoundException | IOException e) {
            throw new TransformationErrorException("Failed to generate template", e);
        }
        return w.toString();
    } catch (RuntimeException e) {
        throw new CloudConductorException(e.getMessage());
    }
}