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/*
* Copyright 2017 Spotify AB.
*
* 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 com.spotify.spydra.model;
import java.time.Duration;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Properties;
import java.util.UUID;
import org.apache.commons.lang3.StringUtils;
public class SpydraArgument {
public static final String OPTION_JAR = "jar";
public static final String OPTION_JARS = "jars";
public static final String OPTION_CLASS = "class";
public static final String OPTION_PROPERTIES = "properties";
public static final String OPTION_FILES = "files";
public static final String OPTION_PROJECT = "project";
public static final String OPTION_REGION = "region";
public static final String OPTION_ZONE = "zone";
public static final String OPTION_METADATA = "metadata";
public static final String OPTION_CLUSTER = "cluster";
public static final String OPTION_INIT_ACTIONS = "initialization-actions";
public static final String OPTION_SCOPES = "scopes";
public static final String OPTION_NETWORK = "network";
public static final String OPTION_SUBNET = "subnet";
public static final String OPTION_WORKER_MACHINE_TYPE = "worker-machine-type";
public static final String OPTION_MASTER_MACHINE_TYPE = "master-machine-type";
public static final String OPTION_NUM_WORKERS = "num-workers";
public static final String OPTION_LABELS = "labels";
public static final String OPTION_TAGS = "tags";
public static final String OPTION_SERVICE_ACCOUNT = "service-account";
public static final String OPTION_JOB_ID = "id";
public static final String OPTION_MAX_IDLE = "max-idle";
public static final String OPTIONS_FILTER = "filter";
public static final String OPTIONS_FILTER_LABEL_PREFIX = "labels.";
public static final String JOB_TYPE_HADOOP = "hadoop";
public static final String JOB_TYPE_PYSPARK = "pyspark";
public static final String CLIENT_ID_PROPERTIES_PLACEHOLDER = "${CLIENT_ID}";
public static final String LOG_BUCKET_PROPERTIES_PLACEHOLDER = "${LOG_BUCKET}";
public static final String UUID_PLACEHOLDER = "${UUID}";
public static final String OPTION_DRYRUN = "dry-run";
// Required arguments
public Optional clientId = Optional.empty();
public Optional logBucket = Optional.empty();
public Optional metricClass = Optional.empty();
public Optional region = Optional.empty();
// Optional Spydra arguments
public Optional clusterType = Optional.empty();
public Optional historyTimeout = Optional.empty();
public Optional dryRun = Optional.of(false);
public Optional autoScaler = Optional.empty();
public Optional pooling = Optional.empty();
// Dataproc arguments
public Cluster cluster = new Cluster();
public Submit submit = new Submit();
// Optional Dataproc arguments
public Optional jobType = Optional.empty();
public class Cluster {
public Optional name = Optional.empty();
public Map options = new HashMap<>();
public String getName() {
return name.get();
}
public Map getOptions() {
return options;
}
public void setName(String name) {
this.name = Optional.of(name);
}
public void setOptions(Map options) {
this.options.putAll(options);
}
// Below are convenience functions when using this from the Java API.
public void network(String network) {
this.options.put(OPTION_NETWORK, network);
}
public void subnet(String subnet) {
this.options.put(OPTION_SUBNET, subnet);
}
public void zone(String zone) {
this.options.put(OPTION_ZONE, zone);
}
public void workerMachineType(String workerMachineType) {
this.options.put(OPTION_WORKER_MACHINE_TYPE, workerMachineType);
}
public void masterMachineType(String workerMachineType) {
this.options.put(OPTION_MASTER_MACHINE_TYPE, workerMachineType);
}
public void numWorkers(Integer numWorkers) {
this.options.put(OPTION_NUM_WORKERS, numWorkers.toString());
}
public void project(String project) {
this.options.put(OPTION_PROJECT, project);
}
}
public class Submit {
public Map options = new HashMap<>();
public Optional> jobArgs = Optional.empty();
public Optional pyFile = Optional.empty();
public Map getOptions() {
return options;
}
public List getJobArgs() {
return jobArgs.orElse(Collections.emptyList());
}
public void setOptions(Map options) {
this.options.putAll(options);
}
public void setJobArgs(List jobArgs) {
this.jobArgs = Optional.of(jobArgs);
}
// Below are convenience functions when using this from the Java API.
public void jar(String mainJar) {
this.options.put(OPTION_JAR, mainJar);
}
void addJarToJars(String jar) {
this.options.merge(OPTION_JARS, jar, (oldJars, newJar) -> oldJars + "," + newJar);
}
public void jars(Iterable jars) {
jars.forEach(this::addJarToJars);
}
public void mainClass(String mainClass) {
options.put(OPTION_CLASS, mainClass);
}
public void addFile(String file) {
options.merge(OPTION_FILES, file, (oldFiles, newFile) -> oldFiles + "," + newFile);
}
public void addProperty(String propertyKey, String propertyValue) {
String property = propertyKey + "=" + propertyValue;
options.merge(OPTION_PROPERTIES, property,
(oldProperties, newProperty) -> oldProperties + "," + newProperty);
}
}
public static class AutoScaler {
public Optional interval = Optional.empty();
public Optional max = Optional.empty();
public Optional factor = Optional.empty();
public Optional downscale = Optional.empty();
public Optional downscaleTimeout = Optional.empty();
public Integer getInterval() {
return interval.get();
}
public void setInterval(Integer interval) {
this.interval = Optional.of(interval);
}
public Integer getMax() {
return max.get();
}
public void setMax(Integer max) {
this.max = Optional.of(max);
}
public Double getFactor() {
return factor.get();
}
public void setFactor(Double factor) {
this.factor = Optional.of(factor);
}
public Boolean getDownscale() {
return downscale.get();
}
public void setDownscale(Boolean downscale) {
this.downscale = Optional.of(downscale);
}
public Integer getDownscaleTimeout() {
return downscaleTimeout.get();
}
public void setDownscaleTimeout(Integer downscaleTimeout) {
this.downscaleTimeout = Optional.of(downscaleTimeout);
}
}
public static class Pooling {
public Optional limit;
public Optional maxAge;
public Integer getLimit() {
return limit.get();
}
public void setLimit(Integer limit) {
this.limit = Optional.of(limit);
}
public Duration getMaxAge() {
return maxAge.get();
}
public void setMaxAge(Duration maxAge) {
this.maxAge = Optional.of(maxAge);
}
}
/**
* Merges two set of arguments, with the values in the first argument overwritten by the second.
*
* @param first A set of Spydra arguments. These are the defaults that will be overwritten by the values in second if
* the key exists in both.
* @param second A set of Spydra arguments. The second argument overwrites the first.
* @return A set (instance) of merged Spydra arguments.
*/
public static SpydraArgument merge(SpydraArgument first, SpydraArgument second) {
if (first == null) {
return second;
} else if (second == null) {
return first;
}
SpydraArgument merged = new SpydraArgument();
if (second.clientId.isPresent()) {
merged.clientId = second.clientId;
} else {
merged.clientId = first.clientId;
}
if (second.logBucket.isPresent()) {
merged.logBucket = second.logBucket;
} else {
merged.logBucket = first.logBucket;
}
if (second.metricClass.isPresent()) {
merged.metricClass = second.metricClass;
} else {
merged.metricClass = first.metricClass;
}
if (second.clusterType.isPresent()) {
merged.clusterType = second.clusterType;
} else {
merged.clusterType = first.clusterType;
}
if (second.historyTimeout.isPresent()) {
merged.historyTimeout = second.historyTimeout;
} else {
merged.historyTimeout = first.historyTimeout;
}
if (second.autoScaler.isPresent()) {
merged.autoScaler = second.autoScaler;
} else if (first.autoScaler.isPresent()) {
merged.autoScaler = first.autoScaler;
}
if (second.dryRun.isPresent()) {
merged.dryRun = second.dryRun;
} else {
merged.dryRun = first.dryRun;
}
if (second.jobType.isPresent()) {
merged.jobType = second.jobType;
} else {
merged.jobType = first.jobType;
}
if (second.cluster.name.isPresent()) {
merged.cluster.name = second.cluster.name;
} else {
merged.cluster.name = first.cluster.name;
}
merged.cluster.options.putAll(first.cluster.options);
mergeOptions(merged.cluster.options, second.cluster.options);
merged.submit.options.putAll(first.submit.options);
mergeOptions(merged.submit.options, second.submit.options);
if (second.submit.jobArgs.isPresent()) {
merged.submit.jobArgs = second.submit.jobArgs;
} else {
merged.submit.jobArgs = first.submit.jobArgs;
}
if (second.submit.pyFile.isPresent()) {
merged.submit.pyFile = second.submit.pyFile;
} else {
merged.submit.pyFile = first.submit.pyFile;
}
if (second.pooling.isPresent()) {
merged.pooling = second.pooling;
} else {
merged.pooling = first.pooling;
}
if (second.region.isPresent()) {
merged.region = second.region;
} else {
merged.region = first.region;
}
return merged;
}
public void replacePlaceholders() {
replacePlaceholders(getCluster().getOptions());
replacePlaceholders(getSubmit().getOptions());
}
private void replacePlaceholders(Map options) {
if (options.containsKey(OPTION_PROPERTIES)) {
String properties = options.get(OPTION_PROPERTIES);
if (clientId.isPresent()) {
properties = properties.replace(CLIENT_ID_PROPERTIES_PLACEHOLDER, getClientId());
}
if (logBucket.isPresent()) {
properties = properties.replace(LOG_BUCKET_PROPERTIES_PLACEHOLDER, getLogBucket());
properties = properties.replace(UUID_PLACEHOLDER, UUID.randomUUID().toString());
}
options.put(OPTION_PROPERTIES, properties);
}
}
/**
* Merges given option maps into one. The keys in the map given as first parameter will be
* overwritten by the keys in the second, if the keys exist in both maps.
*
* @param mergeIntoThis Options map into which the second set of options will be merged.
* @param options Options map to be merged with the options in the first argument.
*/
private static void mergeOptions(Map mergeIntoThis, Map options) {
for (Map.Entry option : options.entrySet()) {
String key = option.getKey();
String value = option.getValue();
addOption(mergeIntoThis, key, value);
}
}
public static void addOption(Map options, String key, String value) {
if (isListSupported(key)) {
options.put(key, joinValues(options.get(key), value));
} else {
options.put(key, value);
}
}
private static String joinValues(String v1, String v2) {
// Either value (but not both) could be null since it is grabbed from a Map where it may not exist.
if (v1 == null || v1.length() == 0) {
return v2;
}
if (v2 == null || v2.length() == 0) {
return v1;
}
return v1 + "," + v2;
}
public Properties clusterProperties() {
return parseProperties(getCluster().getOptions());
}
public Properties submitProperties() {
return parseProperties(getCluster().getOptions());
}
private Properties parseProperties(Map options) {
Properties properties = new Properties();
if (options.containsKey(OPTION_PROPERTIES)) {
for (String property : StringUtils.split(options.get(OPTION_PROPERTIES), ",")) {
String[] split = property.split("=");
properties.put(split[0], split[1]);
}
}
return properties;
}
// Special treatment for options that allow a list of values
private static boolean isListSupported(String key) {
switch (key) {
case OPTION_INIT_ACTIONS:
case OPTION_SCOPES:
case OPTION_METADATA:
case OPTION_LABELS:
case OPTION_TAGS:
case OPTION_PROPERTIES:
case OPTION_JARS:
case OPTION_FILES:
return true;
default:
return false;
}
}
public String getClientId() {
return clientId.get();
}
public String getLogBucket() {
return logBucket.get();
}
public String getMetricClass() {
return metricClass.get();
}
public String getRegion() {
return region.get();
}
public ClusterType getClusterType() {
return clusterType.get();
}
public Integer getHistoryTimeout() {
return historyTimeout.get();
}
public Boolean isDryRun() {
return dryRun.get();
}
public String getJobType() {
return jobType.get();
}
public Cluster getCluster() {
return cluster;
}
public Submit getSubmit() {
return submit;
}
public AutoScaler getAutoScaler() {
return autoScaler.get();
}
public Pooling getPooling() {
return pooling.get();
}
public void setPooling(Integer limit, Duration maxAge) {
Pooling pooling = new Pooling();
pooling.setLimit(limit);
pooling.setMaxAge(maxAge);
this.pooling = Optional.of(pooling);
}
public void setPooling(Pooling pooling) {
this.pooling = Optional.of(pooling);
}
public boolean isPoolingEnabled() {
return pooling.isPresent();
}
public void setClientId(String clientId) {
this.clientId = Optional.of(clientId);
}
public void setLogBucket(String logBucket) {
this.logBucket = Optional.of(logBucket);
}
public void setMetricClass(String metricClass) {
this.metricClass = Optional.of(metricClass);
}
public void setRegion(String region) {
this.region = Optional.of(region);
}
public void setClusterType(ClusterType clusterType) {
this.clusterType = Optional.of(clusterType);
}
public void setHistoryTimeout(Integer historyTimeout) {
this.historyTimeout = Optional.of(historyTimeout);
}
public void setDryRun(Boolean dryRun) {
this.dryRun = Optional.of(dryRun);
}
public void setCluster(Cluster cluster) {
this.cluster = cluster;
}
public void setSubmit(Submit submit) {
this.submit = submit;
}
public void setJobType(String jobType) {
this.jobType = Optional.of(jobType);
}
public void setAutoScaler(AutoScaler autoScaler) {
this.autoScaler = Optional.of(autoScaler);
}
public void setAutoScaler(Double factor, Integer interval, Integer max) {
setAutoScaler(factor, interval, max, Optional.empty());
}
public void setAutoScaler(Double factor, Integer interval, Integer max,
Optional downscaleTimeout) {
AutoScaler autoScaler = new AutoScaler();
autoScaler.setFactor(factor);
autoScaler.setInterval(interval);
autoScaler.setMax(max);
autoScaler.setDownscale(downscaleTimeout.isPresent());
downscaleTimeout.ifPresent(autoScaler::setDownscaleTimeout);
setAutoScaler(autoScaler);
}
}
