From 13d99aa961a729a8ec9da628a8163846b00cc7ec Mon Sep 17 00:00:00 2001
From: Daniel Smith <dbsmith@google.com>
Date: Tue, 26 May 2015 15:42:49 -0700
Subject: [PATCH] update cassandra README.md

---
 examples/cassandra/README.md | 103 +----------------------------------
 1 file changed, 3 insertions(+), 100 deletions(-)

diff --git a/examples/cassandra/README.md b/examples/cassandra/README.md
index 3eb5f23dd9f..63860ce5cef 100644
--- a/examples/cassandra/README.md
+++ b/examples/cassandra/README.md
@@ -26,7 +26,7 @@ spec:
     - /run.sh
     resources:
       limits:
-        cpu: "1"      
+        cpu: "1"
     image: kubernetes/cassandra:v2
     name: cassandra
     ports:
@@ -261,105 +261,8 @@ kubectl resize rc cassandra --replicas=4
 ```
 
 ### Seed Provider Source
-```java
-package io.k8s.cassandra;
-
-import java.io.IOException;
-import java.net.InetAddress;
-import java.net.UnknownHostException;
-import java.net.URL;
-import java.net.URLConnection;
-import java.security.KeyManagementException;
-import java.security.NoSuchAlgorithmException;
-import java.security.SecureRandom;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.codehaus.jackson.JsonNode;
-import org.codehaus.jackson.annotate.JsonIgnoreProperties;
-import org.codehaus.jackson.map.ObjectMapper;
-import org.apache.cassandra.locator.SeedProvider;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class KubernetesSeedProvider implements SeedProvider {
-    @JsonIgnoreProperties(ignoreUnknown = true)
-    static class Endpoints {
-        public String[] endpoints;
-    }
-    
-    private static String getEnvOrDefault(String var, String def) {
-        String val = System.getenv(var);
-        if (val == null) {
-	    val = def;
-        }
-        return val;
-    }
-
-    private static final Logger logger = LoggerFactory.getLogger(KubernetesSeedProvider.class);
-
-    private List defaultSeeds;
-   
-    public KubernetesSeedProvider(Map<String, String> params) {
-        // Taken from SimpleSeedProvider.java
-        // These are used as a fallback, if we get nothing from k8s.
-        String[] hosts = params.get("seeds").split(",", -1);
-        defaultSeeds = new ArrayList<InetAddress>(hosts.length);
-        for (String host : hosts)
-	    {
-		try {
-		    defaultSeeds.add(InetAddress.getByName(host.trim()));
-		}
-		catch (UnknownHostException ex)
-		    {
-			// not fatal... DD will bark if there end up being zero seeds.
-			logger.warn("Seed provider couldn't lookup host " + host);
-		    }
-	    }
-    } 
-
-    public List<InetAddress> getSeeds() {
-        List<InetAddress> list = new ArrayList<InetAddress>();
-        String protocol = getEnvOrDefault("KUBERNETES_API_PROTOCOL", "http");
-        String hostName = getEnvOrDefault("KUBERNETES_RO_SERVICE_HOST", "localhost");
-        String hostPort = getEnvOrDefault("KUBERNETES_RO_SERVICE_PORT", "8080");
-
-        String host = protocol + "://" + hostName + ":" + hostPort;
-        String serviceName = getEnvOrDefault("CASSANDRA_SERVICE", "cassandra");
-        String path = "/api/v1beta3/endpoints/";
-        try {
-	    URL url = new URL(host + path + serviceName);
-	    ObjectMapper mapper = new ObjectMapper();
-	    Endpoints endpoints = mapper.readValue(url, Endpoints.class);
-	    if (endpoints != null) {
-            // Here is a problem point, endpoints.endpoints can be null in first node cases.
-            if (endpoints.endpoints != null){
-		for (String endpoint : endpoints.endpoints) {
-		    String[] parts = endpoint.split(":");
-		    list.add(InetAddress.getByName(parts[0]));
-		}
-            }
-	    }
-        } catch (IOException ex) {
-	    logger.warn("Request to kubernetes apiserver failed"); 
-        }
-        if (list.size() == 0) {
-	    // If we got nothing, we might be the first instance, in that case
-	    // fall back on the seeds that were passed in cassandra.yaml.
-	    return defaultSeeds;
-        }
-        return list;
-    }
-
-    // Simple main to test the implementation
-    public static void main(String[] args) {
-        SeedProvider provider = new KubernetesSeedProvider(new HashMap<String, String>());
-        System.out.println(provider.getSeeds());
-    }
-}
-```
 
+See
+[here](https://github.com/GoogleCloudPlatform/kubernetes/blob/master/examples/cassandra/java/src/io/k8s/cassandra/KubernetesSeedProvider.java).
 
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