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Add glide.yaml and vendor deps

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This commit is contained in:
Dalton Hubble 2016-12-03 22:43:32 -08:00
parent db918f12ad
commit 5b3d5e81bd
18880 changed files with 5166045 additions and 1 deletions
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839
vendor/k8s.io/kubernetes/examples/storage/cassandra/README.md generated vendored Normal file
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vendor/k8s.io/kubernetes/examples/storage/cassandra/cassandra-controller.yaml generated vendored Normal file
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apiVersion: v1
kind: ReplicationController
metadata:
name: cassandra
# The labels will be applied automatically
# from the labels in the pod template, if not set
# labels:
# app: cassandra
spec:
replicas: 2
# The selector will be applied automatically
# from the labels in the pod template, if not set.
# selector:
# app: cassandra
template:
metadata:
labels:
app: cassandra
spec:
containers:
- command:
- /run.sh
resources:
limits:
cpu: 0.5
env:
- name: MAX_HEAP_SIZE
value: 512M
- name: HEAP_NEWSIZE
value: 100M
- name: CASSANDRA_SEED_PROVIDER
value: "io.k8s.cassandra.KubernetesSeedProvider"
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
- name: POD_IP
valueFrom:
fieldRef:
fieldPath: status.podIP
image: gcr.io/google-samples/cassandra:v11
name: cassandra
ports:
- containerPort: 7000
name: intra-node
- containerPort: 7001
name: tls-intra-node
- containerPort: 7199
name: jmx
- containerPort: 9042
name: cql
volumeMounts:
- mountPath: /cassandra_data
name: data
volumes:
- name: data
emptyDir: {}

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apiVersion: extensions/v1beta1
kind: DaemonSet
metadata:
labels:
name: cassandra
name: cassandra
spec:
template:
metadata:
labels:
app: cassandra
spec:
# Filter to specific nodes:
# nodeSelector:
# app: cassandra
containers:
- command:
- /run.sh
env:
- name: MAX_HEAP_SIZE
value: 512M
- name: HEAP_NEWSIZE
value: 100M
- name: CASSANDRA_SEED_PROVIDER
value: "io.k8s.cassandra.KubernetesSeedProvider"
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
- name: POD_IP
valueFrom:
fieldRef:
fieldPath: status.podIP
image: gcr.io/google-samples/cassandra:v11
name: cassandra
ports:
- containerPort: 7000
name: intra-node
- containerPort: 7001
name: tls-intra-node
- containerPort: 7199
name: jmx
- containerPort: 9042
name: cql
# If you need it it is going away in C* 4.0
#- containerPort: 9160
# name: thrift
resources:
requests:
cpu: 0.5
volumeMounts:
- mountPath: /cassandra_data
name: data
volumes:
- name: data
emptyDir: {}

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apiVersion: v1
kind: Service
metadata:
labels:
app: cassandra
name: cassandra
spec:
clusterIP: None
ports:
- port: 9042
selector:
app: cassandra

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apiVersion: "apps/v1beta1"
kind: StatefulSet
metadata:
name: cassandra
spec:
serviceName: cassandra
replicas: 3
template:
metadata:
labels:
app: cassandra
spec:
containers:
- name: cassandra
image: gcr.io/google-samples/cassandra:v11
imagePullPolicy: Always
ports:
- containerPort: 7000
name: intra-node
- containerPort: 7001
name: tls-intra-node
- containerPort: 7199
name: jmx
- containerPort: 9042
name: cql
resources:
limits:
cpu: "500m"
memory: 1Gi
requests:
cpu: "500m"
memory: 1Gi
securityContext:
capabilities:
add:
- IPC_LOCK
env:
- name: MAX_HEAP_SIZE
value: 512M
- name: HEAP_NEWSIZE
value: 100M
- name: CASSANDRA_SEEDS
value: "cassandra-0.cassandra.default.svc.cluster.local"
- name: CASSANDRA_CLUSTER_NAME
value: "K8Demo"
- name: CASSANDRA_DC
value: "DC1-K8Demo"
- name: CASSANDRA_RACK
value: "Rack1-K8Demo"
- name: CASSANDRA_AUTO_BOOTSTRAP
value: "false"
- name: POD_IP
valueFrom:
fieldRef:
fieldPath: status.podIP
readinessProbe:
exec:
command:
- /bin/bash
- -c
- /ready-probe.sh
initialDelaySeconds: 15
timeoutSeconds: 5
# These volume mounts are persistent. They are like inline claims,
# but not exactly because the names need to match exactly one of
# the stateful pod volumes.
volumeMounts:
- name: cassandra-data
mountPath: /cassandra_data
# These are converted to volume claims by the controller
# and mounted at the paths mentioned above.
# do not use these in production until ssd GCEPersistentDisk or other ssd pd
volumeClaimTemplates:
- metadata:
name: cassandra-data
annotations:
volume.alpha.kubernetes.io/storage-class: anything
spec:
accessModes: [ "ReadWriteOnce" ]
resources:
requests:
storage: 1Gi

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# Copyright 2016 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
FROM google/debian:jessie
ADD files /
ENV DI_VERSION="1.1.1" DI_SHA="dec8167091671df0dd3748a8938102479db5fffc"
RUN mv /java.list /etc/apt/sources.list.d/java.list \
&& apt-get update \
&& apt-get -qq -y install --no-install-recommends procps openjdk-8-jre-headless libjemalloc1 curl \
localepurge \
&& curl -L https://github.com/Yelp/dumb-init/releases/download/v${DI_VERSION}/dumb-init_${DI_VERSION}_amd64 > /sbin/dumb-init \
&& echo "$DI_SHA /sbin/dumb-init" | sha1sum -c - \
&& mv /cassandra.list /etc/apt/sources.list.d/cassandra.list \
&& gpg --keyserver pgp.mit.edu --recv-keys F758CE318D77295D \
&& gpg --export --armor F758CE318D77295D | apt-key add - \
&& gpg --keyserver pgp.mit.edu --recv-keys 2B5C1B00 \
&& gpg --export --armor 2B5C1B00 | apt-key add - \
&& gpg --keyserver pgp.mit.edu --recv-keys 0353B12C \
&& gpg --export --armor 0353B12C | apt-key add - \
&& apt-get update \
&& apt-get -qq -y install --no-install-recommends curl cassandra localepurge \
&& chmod a+rx /run.sh /sbin/dumb-init /ready-probe.sh \
&& mkdir -p /cassandra_data/data \
&& mv /logback.xml /cassandra.yaml /etc/cassandra/ \
# Not able to run as cassandra until https://github.com/kubernetes/kubernetes/issues/2630 is resolved
# && chown -R cassandra: /etc/cassandra /cassandra_data /run.sh /kubernetes-cassandra.jar \
# && chmod o+w -R /etc/cassandra /cassandra_data \
&& apt-get -y purge curl localepurge \
&& apt-get clean \
&& rm -rf \
doc \
man \
info \
locale \
/var/lib/apt/lists/* \
/var/log/* \
/var/cache/debconf/* \
common-licenses \
~/.bashrc \
/etc/systemd \
/lib/lsb \
/lib/udev \
/usr/share/doc/ \
/usr/share/doc-base/ \
/usr/share/man/ \
/tmp/*
VOLUME ["/cassandra_data"]
# 7000: intra-node communication
# 7001: TLS intra-node communication
# 7199: JMX
# 9042: CQL
# 9160: thrift service not included cause it is going away
EXPOSE 7000 7001 7199 9042
# Not able to do this until https://github.com/kubernetes/kubernetes/issues/2630 is resolved
# if you are using attached storage
# USER cassandra
CMD ["/sbin/dumb-init", "/bin/bash", "/run.sh"]

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# Copyright 2016 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# build the cassandra image.
VERSION=v11
PROJECT_ID=google_samples
PROJECT=gcr.io/${PROJECT_ID}
all: build
kubernetes-cassandra.jar: ../java/* ../java/src/main/java/io/k8s/cassandra/*.java
cd ../java && mvn clean && mvn package
mv ../java/target/kubernetes-cassandra*.jar files/kubernetes-cassandra.jar
cd ../java && mvn clean
build: kubernetes-cassandra.jar
docker build -t ${PROJECT}/cassandra:${VERSION} .
push: build
gcloud docker -- push ${PROJECT}/cassandra:${VERSION}
.PHONY: all build push

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deb http://www.apache.org/dist/cassandra/debian 37x main
deb-src http://www.apache.org/dist/cassandra/debian 37x main

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# for jre8
deb http://http.debian.net/debian jessie-backports main

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<?xml version="1.0"?>
<configuration scan="true">
<jmxConfigurator/>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%-5level %date{HH:mm:ss,SSS} %msg%n</pattern>
</encoder>
</appender>
<root level="INFO">
<appender-ref ref="STDOUT"/>
</root>
<logger name="com.thinkaurelius.thrift" level="ERROR"/>
</configuration>

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#!/bin/bash
# Copyright 2016 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
if [[ $(nodetool status | grep $POD_IP) == *"UN"* ]]; then
if [[ $DEBUG ]]; then
echo "Not Up";
fi
exit 0;
else
if [[ $DEBUG ]]; then
echo "UN";
fi
exit 1;
fi

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#!/bin/bash
# Copyright 2016 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -e
CONF_DIR=/etc/cassandra
CFG=$CONF_DIR/cassandra.yaml
# we are doing StatefulSet or just setting our seeds
if [ -z "$CASSANDRA_SEEDS" ]; then
HOSTNAME=$(hostname -f)
fi
# The following vars relate to there counter parts in $CFG
# for instance rpc_address
CASSANDRA_RPC_ADDRESS="${CASSANDRA_RPC_ADDRESS:-0.0.0.0}"
CASSANDRA_NUM_TOKENS="${CASSANDRA_NUM_TOKENS:-32}"
CASSANDRA_CLUSTER_NAME="${CASSANDRA_CLUSTER_NAME:='Test Cluster'}"
CASSANDRA_LISTEN_ADDRESS=${POD_IP:-$HOSTNAME}
CASSANDRA_BROADCAST_ADDRESS=${POD_IP:-$HOSTNAME}
CASSANDRA_BROADCAST_RPC_ADDRESS=${POD_IP:-$HOSTNAME}
CASSANDRA_DISK_OPTIMIZATION_STRATEGY="${CASSANDRA_DISK_OPTIMIZATION_STRATEGY:-ssd}"
CASSANDRA_MIGRATION_WAIT="${CASSANDRA_MIGRATION_WAIT:-1}"
CASSANDRA_ENDPOINT_SNITCH="${CASSANDRA_ENDPOINT_SNITCH:-SimpleSnitch}"
CASSANDRA_DC="${CASSANDRA_DC}"
CASSANDRA_RACK="${CASSANDRA_RACK}"
CASSANDRA_RING_DELAY="${CASSANDRA_RING_DELAY:-30000}"
CASSANDRA_AUTO_BOOTSTRAP="${CASSANDRA_AUTO_BOOTSTRAP:-true}"
CASSANDRA_SEEDS="${CASSANDRA_SEEDS:false}"
CASSANDRA_SEED_PROVIDER="${CASSANDRA_SEED_PROVIDER:-org.apache.cassandra.locator.SimpleSeedProvider}"
CASSANDRA_AUTO_BOOTSTRAP="${CASSANDRA_AUTO_BOOTSTRAP:false}"
# Turn off JMX auth
CASSANDRA_OPEN_JMX="${CASSANDRA_OPEN_JMX:-false}"
# send GC to STDOUT
CASSANDRA_GC_STDOUT="${CASSANDRA_GC_STDOUT:-false}"
# if DC and RACK are set, use GossipingPropertyFileSnitch
if [[ $CASSANDRA_DC && $CASSANDRA_RACK ]]; then
echo "dc=$CASSANDRA_DC" > $CONF_DIR/cassandra-rackdc.properties
echo "rack=$CASSANDRA_RACK" >> $CONF_DIR/cassandra-rackdc.properties
CASSANDRA_ENDPOINT_SNITCH="GossipingPropertyFileSnitch"
fi
# TODO what else needs to be modified
for yaml in \
broadcast_address \
broadcast_rpc_address \
cluster_name \
listen_address \
num_tokens \
rpc_address \
disk_optimization_strategy \
endpoint_snitch \
; do
var="CASSANDRA_${yaml^^}"
val="${!var}"
if [ "$val" ]; then
sed -ri 's/^(# )?('"$yaml"':).*/\2 '"$val"'/' "$CFG"
fi
done
echo "auto_bootstrap: ${CASSANDRA_AUTO_BOOTSTRAP}" >> $CFG
# set the seed to itself. This is only for the first pod, otherwise
# it will be able to get seeds from the seed provider
if [[ $CASSANDRA_SEEDS == 'false' ]]; then
sed -ri 's/- seeds:.*/- seeds: "'"$POD_IP"'"/' $CFG
else # if we have seeds set them. Probably StatefulSet
sed -ri 's/- seeds:.*/- seeds: "'"$CASSANDRA_SEEDS"'"/' $CFG
fi
sed -ri 's/- class_name: SEED_PROVIDER/- class_name: '"$CASSANDRA_SEED_PROVIDER"'/' $CFG
# send gc to stdout
if [[ $CASSANDRA_GC_STDOUT == 'true' ]]; then
sed -ri 's/ -Xloggc:\/var\/log\/cassandra\/gc\.log//' $CONF_DIR/cassandra-env.sh
fi
# enable RMI and JMX to work on one port
echo "JVM_OPTS=\"\$JVM_OPTS -Djava.rmi.server.hostname=$POD_IP\"" >> $CONF_DIR/cassandra-env.sh
# getting WARNING messages with Migration Service
echo "-Dcassandra.migration_task_wait_in_seconds=${CASSANDRA_MIGRATION_WAIT}" >> $CONF_DIR/jvm.options
echo "-Dcassandra.ring_delay_ms=${CASSANDRA_RING_DELAY}" >> $CONF_DIR/jvm.options
if [[ $CASSANDRA_OPEN_JMX == 'true' ]]; then
export LOCAL_JMX=no
sed -ri 's/ -Dcom\.sun\.management\.jmxremote\.authenticate=true/ -Dcom\.sun\.management\.jmxremote\.authenticate=false/' $CONF_DIR/cassandra-env.sh
sed -ri 's/ -Dcom\.sun\.management\.jmxremote\.password\.file=\/etc\/cassandra\/jmxremote\.password//' $CONF_DIR/cassandra-env.sh
fi
echo Starting Cassandra on ${CASSANDRA_LISTEN_ADDRESS}
echo CASSANDRA_RPC_ADDRESS ${CASSANDRA_RPC_ADDRESS}
echo CASSANDRA_NUM_TOKENS ${CASSANDRA_NUM_TOKENS}
echo CASSANDRA_CLUSTER_NAME ${CASSANDRA_CLUSTER_NAME}
echo CASSANDRA_LISTEN_ADDRESS ${CASSANDRA_LISTEN_ADDRESS}
echo CASSANDRA_BROADCAST_ADDRESS ${CASSANDRA_BROADCAST_ADDRESS}
echo CASSANDRA_BROADCAST_RPC_ADDRESS ${CASSANDRA_BROADCAST_RPC_ADDRESS}
echo CASSANDRA_DISK_OPTIMIZATION_STRATEGY ${CASSANDRA_DISK_OPTIMIZATION_STRATEGY}
echo CASSANDRA_MIGRATION_WAIT ${CASSANDRA_MIGRATION_WAIT}
echo CASSANDRA_ENDPOINT_SNITCH ${CASSANDRA_ENDPOINT_SNITCH}
echo CASSANDRA_DC ${CASSANDRA_DC}
echo CASSANDRA_RACK ${CASSANDRA_RACK}
echo CASSANDRA_RING_DELAY ${CASSANDRA_RING_DELAY}
echo CASSANDRA_AUTO_BOOTSTRAP ${CASSANDRA_AUTO_BOOTSTRAP}
echo CASSANDRA_SEEDS ${CASSANDRA_SEEDS}
echo CASSANDRA_SEED_PROVIDER ${CASSANDRA_SEED_PROVIDER}
echo CASSANDRA_AUTO_BOOTSTRAP ${CASSANDRA_AUTO_BOOTSTRAP}
export CLASSPATH=/kubernetes-cassandra.jar
cassandra -R -f

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target

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# Cassandra on Kubernetes Custom Seed Provider: releases.k8s.io/HEAD
Within any deployment of Cassandra a Seed Provider is used to for node discovery and communication. When a Cassandra node first starts it must discover which nodes, or seeds, for the information about the Cassandra nodes in the ring / rack / datacenter.
This Java project provides a custom Seed Provider which communicates with the Kubernetes API to discover the required information. This provider is bundled with the Docker provided in this example.
# Configuring the Seed Provider
The following environment variables may be used to override the default configurations:
| ENV VAR | DEFAULT VALUE | NOTES |
| ------------- |:-------------: |:-------------:|
| KUBERNETES_PORT_443_TCP_ADDR | kubernetes.default.svc.cluster.local | The hostname of the API server |
| KUBERNETES_PORT_443_TCP_PORT | 443 | API port number |
| CASSANDRA_SERVICE | cassandra | Default service name for lookup |
| POD_NAMESPACE | default | Default pod service namespace |
| K8S_ACCOUNT_TOKEN | /var/run/secrets/kubernetes.io/serviceaccount/token | Default path to service token |
# Using
If no endpoints are discovered from the API the seeds configured in the cassandra.yaml file are used.
# Provider limitations
This Cassandra Provider implements `SeedProvider`. and utilizes `SimpleSnitch`. This limits a Cassandra Ring to a single Cassandra Datacenter and ignores Rack setup. Datastax provides more documentation on the use of [_SNITCHES_](https://docs.datastax.com/en/cassandra/3.x/cassandra/architecture/archSnitchesAbout.html). Further development is planned to
expand this capability.
This in affect makes every node a seed provider, which is not a recommended best practice. This increases maintenance and reduces gossip performance.
<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/examples/storage/cassandra/java/README.md?pixel)]()
<!-- END MUNGE: GENERATED_ANALYTICS -->

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<!--
Copyright (C) 2015 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License"); you may not
use this file except in compliance with the License. You may obtain a copy of
the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations under
the License.
-->
<project>
<modelVersion>4.0.0</modelVersion>
<groupId>io.k8s.cassandra</groupId>
<artifactId>kubernetes-cassandra</artifactId>
<version>1.0.2</version>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.5.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<logback.version>1.1.3</logback.version>
<cassandra.version>3.7</cassandra.version>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-all</artifactId>
<version>1.3</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.5</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-core</artifactId>
<version>${logback.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-core-asl</artifactId>
<version>1.6.3</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.6.3</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.cassandra</groupId>
<artifactId>cassandra-all</artifactId>
<version>${cassandra.version}</version>
<scope>provided</scope>
</dependency>
</dependencies>
</project>

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vendor/k8s.io/kubernetes/examples/storage/cassandra/java/src/main/java/io/k8s/cassandra/KubernetesSeedProvider.java generated vendored Normal file
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/*
* Copyright (C) 2015 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package io.k8s.cassandra;
import org.apache.cassandra.config.Config;
import org.apache.cassandra.config.ConfigurationLoader;
import org.apache.cassandra.config.YamlConfigurationLoader;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.locator.SeedProvider;
import org.apache.cassandra.locator.SimpleSeedProvider;
import org.apache.cassandra.utils.FBUtilities;
import org.codehaus.jackson.annotate.JsonIgnoreProperties;
import org.codehaus.jackson.map.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.net.ssl.*;
import java.io.IOException;
import java.net.InetAddress;
import java.net.URL;
import java.net.UnknownHostException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
/**
* Self discovery {@link SeedProvider} that creates a list of Cassandra Seeds by
* communicating with the Kubernetes API.
* <p>Various System Variable can be used to configure this provider:
* <ul>
* <li>KUBERNETES_PORT_443_TCP_ADDR defaults to kubernetes.default.svc.cluster.local</li>
* <li>KUBERNETES_PORT_443_TCP_PORT defaults to 443</li>
* <li>CASSANDRA_SERVICE defaults to cassandra</li>
* <li>POD_NAMESPACE defaults to 'default'</li>
* <li>CASSANDRA_SERVICE_NUM_SEEDS defaults to 8 seeds</li>
* <li>K8S_ACCOUNT_TOKEN defaults to the path for the default token</li>
* </ul>
*/
public class KubernetesSeedProvider implements SeedProvider {
private static final Logger logger = LoggerFactory.getLogger(KubernetesSeedProvider.class);
/**
* default seeds to fall back on
*/
private List<InetAddress> defaultSeeds;
private TrustManager[] trustAll;
private HostnameVerifier trustAllHosts;
/**
* Create new Seeds
* @param params
*/
public KubernetesSeedProvider(Map<String, String> params) {
// Create default seeds
defaultSeeds = createDefaultSeeds();
// TODO: Load the CA cert when it is available on all platforms.
trustAll = new TrustManager[] {
new X509TrustManager() {
public void checkServerTrusted(X509Certificate[] certs, String authType) {}
public void checkClientTrusted(X509Certificate[] certs, String authType) {}
public X509Certificate[] getAcceptedIssuers() { return null; }
}
};
trustAllHosts = new HostnameVerifier() {
public boolean verify(String hostname, SSLSession session) {
return true;
}
};
}
/**
* Call kubernetes API to collect a list of seed providers
* @return list of seed providers
*/
public List<InetAddress> getSeeds() {
String host = getEnvOrDefault("KUBERNETES_PORT_443_TCP_ADDR", "kubernetes.default.svc.cluster.local");
String port = getEnvOrDefault("KUBERNETES_PORT_443_TCP_PORT", "443");
String serviceName = getEnvOrDefault("CASSANDRA_SERVICE", "cassandra");
String podNamespace = getEnvOrDefault("POD_NAMESPACE", "default");
String path = String.format("/api/v1/namespaces/%s/endpoints/", podNamespace);
String seedSizeVar = getEnvOrDefault("CASSANDRA_SERVICE_NUM_SEEDS", "8");
Integer seedSize = Integer.valueOf(seedSizeVar);
String accountToken = getEnvOrDefault("K8S_ACCOUNT_TOKEN", "/var/run/secrets/kubernetes.io/serviceaccount/token");
List<InetAddress> seeds = new ArrayList<InetAddress>();
try {
String token = getServiceAccountToken(accountToken);
SSLContext ctx = SSLContext.getInstance("SSL");
ctx.init(null, trustAll, new SecureRandom());
String PROTO = "https://";
URL url = new URL(PROTO + host + ":" + port + path + serviceName);
logger.info("Getting endpoints from " + url);
HttpsURLConnection conn = (HttpsURLConnection)url.openConnection();
// TODO: Remove this once the CA cert is propagated everywhere, and replace
// with loading the CA cert.
conn.setHostnameVerifier(trustAllHosts);
conn.setSSLSocketFactory(ctx.getSocketFactory());
conn.addRequestProperty("Authorization", "Bearer " + token);
ObjectMapper mapper = new ObjectMapper();
Endpoints endpoints = mapper.readValue(conn.getInputStream(), Endpoints.class);
if (endpoints != null) {
// Here is a problem point, endpoints.subsets can be null in first node cases.
if (endpoints.subsets != null && !endpoints.subsets.isEmpty()){
for (Subset subset : endpoints.subsets) {
if (subset.addresses != null && !subset.addresses.isEmpty()) {
for (Address address : subset.addresses) {
seeds.add(InetAddress.getByName(address.ip));
if(seeds.size() >= seedSize) {
logger.info("Available num endpoints: " + seeds.size());
return Collections.unmodifiableList(seeds);
}
}
}
}
}
logger.info("Available num endpoints: " + seeds.size());
} else {
logger.warn("Endpoints are not available using default seeds in cassandra.yaml");
return Collections.unmodifiableList(defaultSeeds);
}
} catch (Exception ex) {
logger.warn("Request to kubernetes apiserver failed, using default seeds in cassandra.yaml", ex);
return Collections.unmodifiableList(defaultSeeds);
}
if (seeds.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.
logger.warn("Seeds are not available using default seeds in cassandra.yaml");
return Collections.unmodifiableList(defaultSeeds);
}
return Collections.unmodifiableList(seeds);
}
/**
* Code taken from {@link SimpleSeedProvider}. This is used as a fall back
* incase we don't find seeds
* @return
*/
protected List<InetAddress> createDefaultSeeds()
{
Config conf;
try {
conf = loadConfig();
}
catch (Exception e) {
throw new AssertionError(e);
}
String[] hosts = conf.seed_provider.parameters.get("seeds").split(",", -1);
List<InetAddress> seeds = new ArrayList<InetAddress>();
for (String host : hosts) {
try {
seeds.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);
}
}
if(seeds.size() == 0) {
try {
seeds.add(InetAddress.getLocalHost());
} catch (UnknownHostException e) {
logger.warn("Seed provider couldn't lookup localhost");
}
}
return Collections.unmodifiableList(seeds);
}
/**
* Code taken from {@link SimpleSeedProvider}
* @return
*/
protected static Config loadConfig() throws ConfigurationException
{
String loaderClass = System.getProperty("cassandra.config.loader");
ConfigurationLoader loader = loaderClass == null
? new YamlConfigurationLoader()
: FBUtilities.<ConfigurationLoader>construct(loaderClass, "configuration loading");
return loader.loadConfig();
}
private static String getEnvOrDefault(String var, String def) {
String val = System.getenv(var);
if (val == null) {
val = def;
}
return val;
}
private static String getServiceAccountToken(String file) {
try {
return new String(Files.readAllBytes(Paths.get(file)));
} catch (IOException e) {
logger.warn("unable to load service account token" + file);
throw new RuntimeException("Unable to load services account token " + file);
}
}
protected List<InetAddress> getDefaultSeeds() {
return defaultSeeds;
}
@JsonIgnoreProperties(ignoreUnknown = true)
static class Address {
public String ip;
}
@JsonIgnoreProperties(ignoreUnknown = true)
static class Subset {
public List<Address> addresses;
}
@JsonIgnoreProperties(ignoreUnknown = true)
static class Endpoints {
public List<Subset> subsets;
}
}

64
vendor/k8s.io/kubernetes/examples/storage/cassandra/java/src/test/java/io/k8s/cassandra/KubernetesSeedProviderTest.java generated vendored Normal file
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/*
* Copyright (C) 2015 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package io.k8s.cassandra;
import com.google.common.collect.ImmutableMap;
import org.apache.cassandra.locator.SeedProvider;
import org.junit.Ignore;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.hamcrest.Matchers.*;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import static org.junit.Assert.*;
public class KubernetesSeedProviderTest {
private static final Logger logger = LoggerFactory.getLogger(KubernetesSeedProviderTest.class);
@Test
@Ignore("has to be run inside of a kube cluster")
public void getSeeds() throws Exception {
SeedProvider provider = new KubernetesSeedProvider(new HashMap<String, String>());
List<InetAddress> seeds = provider.getSeeds();
assertThat(seeds, is(not(empty())));
}
@Test
public void testDefaultSeeds() throws Exception {
KubernetesSeedProvider provider = new KubernetesSeedProvider(new HashMap<String,String>());
List<InetAddress> seeds = provider.getDefaultSeeds();
List<InetAddress> seedsTest = new ArrayList<>();
seedsTest.add(InetAddress.getByName("8.4.4.4"));
seedsTest.add(InetAddress.getByName("8.8.8.8"));
assertThat(seeds, is(not(empty())));
assertThat(seeds, is(seedsTest));
logger.debug("seeds loaded {}", seeds);
}
}

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vendor/k8s.io/kubernetes/examples/storage/cassandra/java/src/test/resources/cassandra.yaml generated vendored Normal file
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# Copyright (C) 2015 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
#
# Warning!
# Consider the effects on 'o.a.c.i.s.LegacySSTableTest' before changing schemas in this file.
#
cluster_name: Test Cluster
# memtable_allocation_type: heap_buffers
memtable_allocation_type: offheap_objects
commitlog_sync: batch
commitlog_sync_batch_window_in_ms: 1.0
commitlog_segment_size_in_mb: 5
commitlog_directory: target/cassandra/commitlog
hints_directory: target/cassandra/hints
partitioner: org.apache.cassandra.dht.ByteOrderedPartitioner
listen_address: 127.0.0.1
storage_port: 7010
rpc_port: 9170
start_native_transport: true
native_transport_port: 9042
column_index_size_in_kb: 4
saved_caches_directory: target/cassandra/saved_caches
data_file_directories:
- target/cassandra/data
disk_access_mode: mmap
seed_provider:
- class_name: io.k8s.cassandra.KubernetesSeedProvider
parameters:
- seeds: "8.4.4.4,8.8.8.8"
endpoint_snitch: org.apache.cassandra.locator.SimpleSnitch
dynamic_snitch: true
request_scheduler: org.apache.cassandra.scheduler.RoundRobinScheduler
request_scheduler_id: keyspace
server_encryption_options:
internode_encryption: none
keystore: conf/.keystore
keystore_password: cassandra
truststore: conf/.truststore
truststore_password: cassandra
incremental_backups: true
concurrent_compactors: 4
compaction_throughput_mb_per_sec: 0
row_cache_class_name: org.apache.cassandra.cache.OHCProvider
row_cache_size_in_mb: 16
enable_user_defined_functions: true
enable_scripted_user_defined_functions: true

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vendor/k8s.io/kubernetes/examples/storage/cassandra/java/src/test/resources/logback-test.xml generated vendored Normal file
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<!--
Copyright (C) 2015 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License"); you may not
use this file except in compliance with the License. You may obtain a copy of
the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations under
the License.
-->
<configuration debug="false" scan="true">
<appender name="STDOUT" target="System.out" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%-5level %date{HH:mm:ss,SSS} %msg%n</pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
<level>DEBUG</level>
</filter>
</appender>
<logger name="io.k8s.cassandra" level="DEBUG"/>
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>
</configuration>