/**
* Validates the given configuration entries. A valid configuration contains only valid properties
* (i.e., defined or otherwise valid) that are not prefixes and whose values are formatted
* correctly for their property types. A valid configuration also contains a value for property
* {@link Property#INSTANCE_ZK_TIMEOUT} within a valid range.
*
* @param entries iterable through configuration keys and values
* @throws SanityCheckException if a fatal configuration error is found
*/
public static void validate(Iterable<Entry<String, String>> entries) {
String instanceZkTimeoutValue = null;
boolean usingVolumes = false;
for (Entry<String, String> entry : entries) {
String key = entry.getKey();
String value = entry.getValue();
Property prop = Property.getPropertyByKey(entry.getKey());
if (prop == null && Property.isValidPropertyKey(key))
continue; // unknown valid property (i.e. has proper prefix)
else if (prop == null) log.warn(PREFIX + "unrecognized property key (" + key + ")");
else if (prop.getType() == PropertyType.PREFIX)
fatal(PREFIX + "incomplete property key (" + key + ")");
else if (!prop.getType().isValidFormat(value))
fatal(
PREFIX
+ "improperly formatted value for key ("
+ key
+ ", type="
+ prop.getType()
+ ")");
if (key.equals(Property.INSTANCE_ZK_TIMEOUT.getKey())) {
instanceZkTimeoutValue = value;
}
if (key.equals(Property.INSTANCE_VOLUMES.getKey())) {
usingVolumes = value != null && !value.isEmpty();
}
}
if (instanceZkTimeoutValue != null) {
checkTimeDuration(
Property.INSTANCE_ZK_TIMEOUT,
instanceZkTimeoutValue,
new CheckTimeDurationBetween(1000, 300000));
}
if (!usingVolumes) {
log.warn(
"Use of "
+ INSTANCE_DFS_URI
+ " and "
+ INSTANCE_DFS_DIR
+ " are deprecated. Consider using "
+ Property.INSTANCE_VOLUMES
+ " instead.");
}
}
