package webapp.runner.launch;
import java.net.URISyntaxException;
import org.apache.catalina.Context;
import java.net.URI;
import ru.zinin.redis.session.RedisManager;
class RedisSessionStore extends SessionStore {
/**
* Configures Redis session manager
*
* @param commandLineParams Arguments map
* @param ctx Tomcat context
*/
@Override
public void configureSessionStore(CommandLineParams commandLineParams, Context ctx){
RedisManager redisManager = new RedisManager();
redisManager.setDisableListeners(true);
if(System.getenv("REDIS_URL") == null && System.getenv("REDISTOGO_URL") == null){
System.out.println("WARNING: redis session store being used, but the required environment variable isn't set.");
System.out.println("Redis session store is configured with REDIS_URL or REDISTOGO_URL");
} else {
try {
URI redisUri = null;
if(System.getenv("REDIS_URL") != null) {
redisUri = new URI(System.getenv("REDIS_URL"));
} else {
redisUri = new URI(System.getenv("REDISTOGO_URL"));
}
if(redisUri.getHost() != null) {
redisManager.setRedisHostname(redisUri.getHost());
}
if(redisUri.getPort() != -1) {
redisManager.setRedisPort(redisUri.getPort());
}
if(redisUri.getPath() != null && redisUri.getPath().length() > 1) {
redisManager.setDbIndex(Integer.parseInt(redisUri.getPath().split("/")[1]));
}
if(redisUri.getUserInfo() != null) {
redisManager.setRedisPassword(redisUri.getUserInfo().substring(redisUri.getUserInfo().indexOf(":")+1));
}
} catch (URISyntaxException e){
System.out.println("WARNING: redis session store environment variable invalid "+System.getenv("REDIS_URL"));
}
}
ctx.setManager(redisManager);
}
}