org.argeo.cms/src/org/argeo/cms/internal/kernel/DeployConfig.java

   1 package org.argeo.cms.internal.kernel;
   2
   3 import java.io.IOException;
   4 import java.io.InputStream;
   5 import java.io.Writer;
   6 import java.nio.file.Files;
   7 import java.nio.file.Path;
   8 import java.util.ArrayList;
   9 import java.util.Dictionary;
  10 import java.util.List;
  11 import java.util.SortedMap;
  12 import java.util.TreeMap;
  13
  14 import javax.naming.InvalidNameException;
  15 import javax.naming.directory.Attributes;
  16 import javax.naming.directory.BasicAttributes;
  17 import javax.naming.ldap.LdapName;
  18 import javax.naming.ldap.Rdn;
  19
  20 import org.apache.commons.logging.Log;
  21 import org.apache.commons.logging.LogFactory;
  22 import org.argeo.cms.CmsException;
  23 import org.argeo.naming.AttributesDictionary;
  24 import org.argeo.naming.LdifParser;
  25 import org.argeo.naming.LdifWriter;
  26 import org.argeo.node.NodeConstants;
  27 import org.argeo.osgi.useradmin.UserAdminConf;
  28 import org.eclipse.equinox.http.jetty.JettyConfigurator;
  29 import org.osgi.framework.BundleContext;
  30 import org.osgi.framework.FrameworkUtil;
  31 import org.osgi.service.cm.Configuration;
  32 import org.osgi.service.cm.ConfigurationAdmin;
  33 import org.osgi.service.cm.ConfigurationEvent;
  34 import org.osgi.service.cm.ConfigurationListener;
  35
  36 /** Manages the LDIF-based deployment configuration. */
  37 class DeployConfig implements ConfigurationListener {
  38         private final Log log = LogFactory.getLog(getClass());
  39         private final BundleContext bc = FrameworkUtil.getBundle(getClass()).getBundleContext();
  40
  41         private static Path deployConfigPath = KernelUtils.getOsgiInstancePath(KernelConstants.DEPLOY_CONFIG_PATH);
  42         private SortedMap<LdapName, Attributes> deployConfigs = new TreeMap<>();
  43         private final DataModels dataModels;
  44
  45         public DeployConfig(ConfigurationAdmin configurationAdmin, DataModels dataModels, boolean isClean) {
  46                 this.dataModels = dataModels;
  47                 // ConfigurationAdmin configurationAdmin =
  48                 // bc.getService(bc.getServiceReference(ConfigurationAdmin.class));
  49                 try {
  50                         boolean isFirstInit = false;
  51                         if (!isInitialized()) { // first init
  52                                 isFirstInit = true;
  53                                 firstInit();
  54                         }
  55                         init(configurationAdmin, isClean, isFirstInit);
  56                 } catch (IOException e) {
  57                         throw new CmsException("Could not init deploy configs", e);
  58                 }
  59                 // FIXME check race conditions during initialization
  60                 // bc.registerService(ConfigurationListener.class, this, null);
  61         }
  62
  63         private void firstInit() throws IOException {
  64                 log.info("## FIRST INIT ##");
  65                 Files.createDirectories(deployConfigPath.getParent());
  66
  67                 // FirstInit firstInit = new FirstInit();
  68                 InitUtils.prepareFirstInitInstanceArea();
  69
  70                 if (!Files.exists(deployConfigPath))
  71                         deployConfigs = new TreeMap<>();
  72                 else// config file could have juste been copied by preparation
  73                         try (InputStream in = Files.newInputStream(deployConfigPath)) {
  74                                 deployConfigs = new LdifParser().read(in);
  75                         }
  76                 save();
  77         }
  78
  79         private void setFromFrameworkProperties(boolean isFirstInit) {
  80                 // node repository
  81                 Dictionary<String, Object> nodeConfig = InitUtils
  82                                 .getNodeRepositoryConfig(getProps(NodeConstants.NODE_REPOS_FACTORY_PID, NodeConstants.NODE));
  83                 // node repository is mandatory
  84                 putFactoryDeployConfig(NodeConstants.NODE_REPOS_FACTORY_PID, nodeConfig);
  85
  86                 // additional repositories
  87                 dataModels: for (DataModels.DataModel dataModel : dataModels.getNonAbstractDataModels()) {
  88                         if (NodeConstants.NODE.equals(dataModel.getName()))
  89                                 continue dataModels;
  90                         Dictionary<String, Object> config = InitUtils.getRepositoryConfig(dataModel.getName(),
  91                                         getProps(NodeConstants.NODE_REPOS_FACTORY_PID, dataModel.getName()));
  92                         if (config.size() != 0)
  93                                 putFactoryDeployConfig(NodeConstants.NODE_REPOS_FACTORY_PID, config);
  94                 }
  95
  96                 // user admin
  97                 List<Dictionary<String, Object>> userDirectoryConfigs = InitUtils.getUserDirectoryConfigs();
  98                 if (userDirectoryConfigs.size() != 0) {
  99                         List<String> activeCns = new ArrayList<>();
 100                         for (int i = 0; i < userDirectoryConfigs.size(); i++) {
 101                                 Dictionary<String, Object> userDirectoryConfig = userDirectoryConfigs.get(i);
 102                                 String cn = UserAdminConf.baseDnHash(userDirectoryConfig);
 103                                 activeCns.add(cn);
 104                                 userDirectoryConfig.put(NodeConstants.CN, cn);
 105                                 putFactoryDeployConfig(NodeConstants.NODE_USER_ADMIN_PID, userDirectoryConfig);
 106                         }
 107                         // disable others
 108                         LdapName userAdminFactoryName = serviceFactoryDn(NodeConstants.NODE_USER_ADMIN_PID);
 109                         for (LdapName name : deployConfigs.keySet()) {
 110                                 if (name.startsWith(userAdminFactoryName) && !name.equals(userAdminFactoryName)) {
 111                                         try {
 112                                                 Attributes attrs = deployConfigs.get(name);
 113                                                 String cn = name.getRdn(name.size() - 1).getValue().toString();
 114                                                 if (!activeCns.contains(cn)) {
 115                                                         attrs.put(UserAdminConf.disabled.name(), "true");
 116                                                 }
 117                                         } catch (Exception e) {
 118                                                 throw new CmsException("Cannot disable user directory " + name, e);
 119                                         }
 120                                 }
 121                         }
 122                 }
 123
 124                 // http server
 125 //              Dictionary<String, Object> webServerConfig = InitUtils
 126 //                              .getHttpServerConfig(getProps(KernelConstants.JETTY_FACTORY_PID, NodeConstants.DEFAULT));
 127 //              if (!webServerConfig.isEmpty()) {
 128 //                      // TODO check for other customizers
 129 //                      webServerConfig.put("customizer.class", "org.argeo.equinox.jetty.CmsJettyCustomizer");
 130 //                      putFactoryDeployConfig(KernelConstants.JETTY_FACTORY_PID, webServerConfig);
 131 //              }
 132                 LdapName defaultHttpServiceDn = serviceDn(KernelConstants.JETTY_FACTORY_PID, NodeConstants.DEFAULT);
 133                 if (deployConfigs.containsKey(defaultHttpServiceDn)) {
 134                         // remove old default configs since we have now to start Jetty servlet bridge
 135                         // indirectly
 136                         deployConfigs.remove(defaultHttpServiceDn);
 137                 }
 138
 139                 // SAVE
 140                 save();
 141                 //
 142
 143                 // Explicitly configures Jetty so that the default server is not started by the
 144                 // activator of the Equinox Jetty bundle.
 145                 Dictionary<String, Object> webServerConfig = InitUtils
 146                                 .getHttpServerConfig(getProps(KernelConstants.JETTY_FACTORY_PID, NodeConstants.DEFAULT));
 147                 if (!webServerConfig.isEmpty()) {
 148                         webServerConfig.put("customizer.class", KernelConstants.CMS_JETTY_CUSTOMIZER_CLASS);
 149                 }
 150
 151                 int tryCount = 60;
 152                 try {
 153                         tryGettyJetty: while (tryCount > 0) {
 154                                 try {
 155                                         JettyConfigurator.startServer(KernelConstants.DEFAULT_JETTY_SERVER, webServerConfig);
 156                                         break tryGettyJetty;
 157                                 } catch (IllegalStateException e) {
 158                                         // Jetty may not be ready
 159                                         try {
 160                                                 Thread.sleep(1000);
 161                                         } catch (Exception e1) {
 162                                                 // silent
 163                                         }
 164                                 }
 165                         }
 166                 } catch (Exception e) {
 167                         log.error("Cannot start default Jetty server with config " + webServerConfig, e);
 168                 }
 169
 170         }
 171
 172         private void init(ConfigurationAdmin configurationAdmin, boolean isClean, boolean isFirstInit) throws IOException {
 173
 174                 try (InputStream in = Files.newInputStream(deployConfigPath)) {
 175                         deployConfigs = new LdifParser().read(in);
 176                 }
 177                 if (isClean) {
 178                         setFromFrameworkProperties(isFirstInit);
 179                         for (LdapName dn : deployConfigs.keySet()) {
 180                                 Rdn lastRdn = dn.getRdn(dn.size() - 1);
 181                                 LdapName prefix = (LdapName) dn.getPrefix(dn.size() - 1);
 182                                 if (prefix.toString().equals(NodeConstants.DEPLOY_BASEDN)) {
 183                                         if (lastRdn.getType().equals(NodeConstants.CN)) {
 184                                                 // service
 185                                                 String pid = lastRdn.getValue().toString();
 186                                                 Configuration conf = configurationAdmin.getConfiguration(pid);
 187                                                 AttributesDictionary dico = new AttributesDictionary(deployConfigs.get(dn));
 188                                                 conf.update(dico);
 189                                         } else {
 190                                                 // service factory definition
 191                                         }
 192                                 } else {
 193                                         // service factory service
 194                                         Rdn beforeLastRdn = dn.getRdn(dn.size() - 2);
 195                                         assert beforeLastRdn.getType().equals(NodeConstants.OU);
 196                                         String factoryPid = beforeLastRdn.getValue().toString();
 197                                         Configuration conf = configurationAdmin.createFactoryConfiguration(factoryPid.toString(), null);
 198                                         AttributesDictionary dico = new AttributesDictionary(deployConfigs.get(dn));
 199                                         conf.update(dico);
 200                                 }
 201                         }
 202                 }
 203                 // TODO check consistency if not clean
 204         }
 205
 206         @Override
 207         public void configurationEvent(ConfigurationEvent event) {
 208                 try {
 209                         if (ConfigurationEvent.CM_UPDATED == event.getType()) {
 210                                 ConfigurationAdmin configurationAdmin = bc.getService(event.getReference());
 211                                 Configuration conf = configurationAdmin.getConfiguration(event.getPid(), null);
 212                                 LdapName serviceDn = null;
 213                                 String factoryPid = conf.getFactoryPid();
 214                                 if (factoryPid != null) {
 215                                         LdapName serviceFactoryDn = serviceFactoryDn(factoryPid);
 216                                         if (deployConfigs.containsKey(serviceFactoryDn)) {
 217                                                 for (LdapName dn : deployConfigs.keySet()) {
 218                                                         if (dn.startsWith(serviceFactoryDn)) {
 219                                                                 Rdn lastRdn = dn.getRdn(dn.size() - 1);
 220                                                                 assert lastRdn.getType().equals(NodeConstants.CN);
 221                                                                 Object value = conf.getProperties().get(lastRdn.getType());
 222                                                                 assert value != null;
 223                                                                 if (value.equals(lastRdn.getValue())) {
 224                                                                         serviceDn = dn;
 225                                                                         break;
 226                                                                 }
 227                                                         }
 228                                                 }
 229
 230                                                 Object cn = conf.getProperties().get(NodeConstants.CN);
 231                                                 if (cn == null)
 232                                                         throw new IllegalArgumentException("Properties must contain cn");
 233                                                 if (serviceDn == null) {
 234                                                         putFactoryDeployConfig(factoryPid, conf.getProperties());
 235                                                 } else {
 236                                                         Attributes attrs = deployConfigs.get(serviceDn);
 237                                                         assert attrs != null;
 238                                                         AttributesDictionary.copy(conf.getProperties(), attrs);
 239                                                 }
 240                                                 save();
 241                                                 if (log.isDebugEnabled())
 242                                                         log.debug("Updated deploy config " + serviceDn(factoryPid, cn.toString()));
 243                                         } else {
 244                                                 // ignore non config-registered service factories
 245                                         }
 246                                 } else {
 247                                         serviceDn = serviceDn(event.getPid());
 248                                         if (deployConfigs.containsKey(serviceDn)) {
 249                                                 Attributes attrs = deployConfigs.get(serviceDn);
 250                                                 assert attrs != null;
 251                                                 AttributesDictionary.copy(conf.getProperties(), attrs);
 252                                                 save();
 253                                                 if (log.isDebugEnabled())
 254                                                         log.debug("Updated deploy config " + serviceDn);
 255                                         } else {
 256                                                 // ignore non config-registered services
 257                                         }
 258                                 }
 259                         }
 260                 } catch (Exception e) {
 261                         log.error("Could not handle configuration event", e);
 262                 }
 263         }
 264
 265         void putFactoryDeployConfig(String factoryPid, Dictionary<String, Object> props) {
 266                 Object cn = props.get(NodeConstants.CN);
 267                 if (cn == null)
 268                         throw new IllegalArgumentException("cn must be set in properties");
 269                 LdapName serviceFactoryDn = serviceFactoryDn(factoryPid);
 270                 if (!deployConfigs.containsKey(serviceFactoryDn))
 271                         deployConfigs.put(serviceFactoryDn, new BasicAttributes(NodeConstants.OU, factoryPid));
 272                 LdapName serviceDn = serviceDn(factoryPid, cn.toString());
 273                 Attributes attrs = new BasicAttributes();
 274                 AttributesDictionary.copy(props, attrs);
 275                 deployConfigs.put(serviceDn, attrs);
 276         }
 277
 278         void putDeployConfig(String servicePid, Dictionary<String, Object> props) {
 279                 LdapName serviceDn = serviceDn(servicePid);
 280                 Attributes attrs = new BasicAttributes(NodeConstants.CN, servicePid);
 281                 AttributesDictionary.copy(props, attrs);
 282                 deployConfigs.put(serviceDn, attrs);
 283         }
 284
 285         void save() {
 286                 try (Writer writer = Files.newBufferedWriter(deployConfigPath)) {
 287                         new LdifWriter(writer).write(deployConfigs);
 288                 } catch (IOException e) {
 289                         // throw new CmsException("Cannot save deploy configs", e);
 290                         log.error("Cannot save deploy configs", e);
 291                 }
 292         }
 293
 294         boolean isStandalone(String dataModelName) {
 295                 return getProps(NodeConstants.NODE_REPOS_FACTORY_PID, dataModelName) != null;
 296         }
 297
 298         /*
 299          * UTILITIES
 300          */
 301         private LdapName serviceFactoryDn(String factoryPid) {
 302                 try {
 303                         return new LdapName(NodeConstants.OU + "=" + factoryPid + "," + NodeConstants.DEPLOY_BASEDN);
 304                 } catch (InvalidNameException e) {
 305                         throw new IllegalArgumentException("Cannot generate DN from " + factoryPid, e);
 306                 }
 307         }
 308
 309         private LdapName serviceDn(String servicePid) {
 310                 try {
 311                         return new LdapName(NodeConstants.CN + "=" + servicePid + "," + NodeConstants.DEPLOY_BASEDN);
 312                 } catch (InvalidNameException e) {
 313                         throw new IllegalArgumentException("Cannot generate DN from " + servicePid, e);
 314                 }
 315         }
 316
 317         private LdapName serviceDn(String factoryPid, String cn) {
 318                 try {
 319                         return (LdapName) serviceFactoryDn(factoryPid).add(new Rdn(NodeConstants.CN, cn));
 320                 } catch (InvalidNameException e) {
 321                         throw new IllegalArgumentException("Cannot generate DN from " + factoryPid + " and " + cn, e);
 322                 }
 323         }
 324
 325         Dictionary<String, Object> getProps(String factoryPid, String cn) {
 326                 Attributes attrs = deployConfigs.get(serviceDn(factoryPid, cn));
 327                 if (attrs != null)
 328                         return new AttributesDictionary(attrs);
 329                 else
 330                         return null;
 331         }
 332
 333         static boolean isInitialized() {
 334                 return Files.exists(deployConfigPath);
 335         }
 336
 337 }