org.apache.solr.util

Class SolrCLI

java.lang.Object

org.apache.solr.util.SolrCLI

public class SolrCLI
extends Object

Command-line utility for working with Solr.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SolrCLI.ApiTool Used to send an arbitrary HTTP request to a Solr API endpoint.
static class	SolrCLI.AssertionFailureException
static class	SolrCLI.AssertTool Asserts various conditions and exists with error code if fails, else continues with no output
static class	SolrCLI.AuthTool
static class	SolrCLI.AutoscalingTool
static class	SolrCLI.ConfigSetDownloadTool
static class	SolrCLI.ConfigSetUploadTool
static class	SolrCLI.ConfigTool Sends a POST to the Config API to perform a specified action.
static class	SolrCLI.CreateCollectionTool Supports create_collection command in the bin/solr script.
static class	SolrCLI.CreateCoreTool
static class	SolrCLI.CreateTool
static class	SolrCLI.DeleteTool
static class	SolrCLI.HealthcheckTool Requests health information about a specific collection in SolrCloud.
static class	SolrCLI.RunExampleTool Supports an interactive session with the user to launch (or relaunch the -e cloud example)
static class	SolrCLI.SolrCloudTool Helps build SolrCloud aware tools by initializing a CloudSolrClient instance before running the tool.
static class	SolrCLI.StatusTool Get the status of a Solr server.
static interface	SolrCLI.Tool Defines the interface to a Solr tool that can be run from this command-line app.
static class	SolrCLI.ToolBase
static class	SolrCLI.UtilsTool
static class	SolrCLI.ZkCpTool
static class	SolrCLI.ZkLsTool
static class	SolrCLI.ZkMkrootTool
static class	SolrCLI.ZkMvTool
static class	SolrCLI.ZkRmTool

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.commons.cli.Option[]	cloudOptions
static String	DEFAULT_SOLR_URL
static String	JSON_CONTENT_TYPE
static String	ZK_HOST

Constructor Summary

Constructors

Constructor and Description
SolrCLI()

Method Summary

Modifier and Type	Method and Description
static List<String>	asList(String jsonPath, Map<String,Object> json) Helper function for reading a List of Strings from a JSON Object tree.
static Long	asLong(String jsonPath, Map<String,Object> json) Helper function for reading a Long value from a JSON Object tree.
static Map<String,Object>	asMap(String jsonPath, Map<String,Object> json) Helper function for reading a Map from a JSON Object tree.
static String	asString(String jsonPath, Map<String,Object> json) Helper function for reading a String value from a JSON Object tree.
static Object	atPath(String jsonPath, Map<String,Object> json) Helper function for reading an Object of unknown type from a JSON Object tree.
static boolean	checkCommunicationError(Exception exc) Determine if a request to Solr failed due to a communication error, which is generally retry-able.
protected static void	checkSslStoreSysProp(String solrInstallDir, String key)
static void	closeHttpClient(org.apache.http.impl.client.CloseableHttpClient httpClient)
static SolrCLI.Tool	findTool(String[] args)
static org.apache.commons.cli.Option[]	getCommonToolOptions() Support options common to all tools.
static org.apache.http.impl.client.CloseableHttpClient	getHttpClient()
static Map<String,Object>	getJson(org.apache.http.client.HttpClient httpClient, String getUrl) Utility function for sending HTTP GET request to Solr and then doing some validation of the response.
static Map<String,Object>	getJson(org.apache.http.client.HttpClient httpClient, String getUrl, int attempts, boolean isFirstAttempt) Utility function for sending HTTP GET request to Solr with built-in retry support.
static Map<String,Object>	getJson(String getUrl) Useful when a tool just needs to send one request to Solr.
static String	getZkHost(org.apache.commons.cli.CommandLine cli) Get the ZooKeeper connection string from either the zkHost command-line option or by looking it up from a running Solr instance based on the solrUrl option.
static org.apache.commons.cli.Option[]	joinCommonAndToolOptions(org.apache.commons.cli.Option[] toolOpts)
static org.apache.commons.cli.Option[]	joinOptions(org.apache.commons.cli.Option[] lhs, org.apache.commons.cli.Option[] rhs)
static void	main(String[] args) Runs a tool.
static org.apache.commons.cli.CommandLine	parseCmdLine(String[] args, org.apache.commons.cli.Option[] toolOptions)
static <T> T	pathAs(Class<T> clazz, String jsonPath, Map<String,Object> json)
static NamedList<Object>	postJsonToSolr(SolrClient solrClient, String updatePath, String jsonBody)
static org.apache.commons.cli.CommandLine	processCommandLineArgs(org.apache.commons.cli.Option[] customOptions, String[] args) Parses the command-line arguments passed by the user.
static String	resolveSolrUrl(org.apache.commons.cli.CommandLine cli) Get the base URL of a live Solr instance from either the solrUrl command-line option from ZooKeeper.
static boolean	safeCheckCollectionExists(String url, String collection)
static boolean	safeCheckCoreExists(String coreStatusUrl, String coreName)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_SOLR_URL

public static final String DEFAULT_SOLR_URL

See Also:

Constant Field Values

ZK_HOST

public static final String ZK_HOST

See Also:

Constant Field Values

cloudOptions

public static org.apache.commons.cli.Option[] cloudOptions

JSON_CONTENT_TYPE

public static final String JSON_CONTENT_TYPE

See Also:

Constant Field Values

Constructor Detail

SolrCLI

public SolrCLI()

Method Detail

main

public static void main(String[] args)
                 throws Exception

Runs a tool.

Throws:

Exception

findTool

public static SolrCLI.Tool findTool(String[] args)
                             throws Exception

Throws:

Exception

parseCmdLine

public static org.apache.commons.cli.CommandLine parseCmdLine(String[] args,
                                                              org.apache.commons.cli.Option[] toolOptions)
                                                       throws Exception

Throws:

Exception

checkSslStoreSysProp

protected static void checkSslStoreSysProp(String solrInstallDir,
                                           String key)

getCommonToolOptions

public static org.apache.commons.cli.Option[] getCommonToolOptions()

Support options common to all tools.

joinCommonAndToolOptions

public static org.apache.commons.cli.Option[] joinCommonAndToolOptions(org.apache.commons.cli.Option[] toolOpts)

joinOptions

public static org.apache.commons.cli.Option[] joinOptions(org.apache.commons.cli.Option[] lhs,
                                                          org.apache.commons.cli.Option[] rhs)

processCommandLineArgs

public static org.apache.commons.cli.CommandLine processCommandLineArgs(org.apache.commons.cli.Option[] customOptions,
                                                                        String[] args)

Parses the command-line arguments passed by the user.

checkCommunicationError

public static boolean checkCommunicationError(Exception exc)

Determine if a request to Solr failed due to a communication error, which is generally retry-able.

getHttpClient

public static org.apache.http.impl.client.CloseableHttpClient getHttpClient()

closeHttpClient

public static void closeHttpClient(org.apache.http.impl.client.CloseableHttpClient httpClient)

postJsonToSolr

public static NamedList<Object> postJsonToSolr(SolrClient solrClient,
                                               String updatePath,
                                               String jsonBody)
                                        throws Exception

Throws:

Exception

getJson

public static Map<String,Object> getJson(String getUrl)
                                  throws Exception

Useful when a tool just needs to send one request to Solr.

Throws:

Exception

getJson

public static Map<String,Object> getJson(org.apache.http.client.HttpClient httpClient,
                                         String getUrl,
                                         int attempts,
                                         boolean isFirstAttempt)
                                  throws Exception

Utility function for sending HTTP GET request to Solr with built-in retry support.

Throws:

Exception

getJson

public static Map<String,Object> getJson(org.apache.http.client.HttpClient httpClient,
                                         String getUrl)
                                  throws Exception

Utility function for sending HTTP GET request to Solr and then doing some validation of the response.

Throws:

Exception

asString

public static String asString(String jsonPath,
                              Map<String,Object> json)

Helper function for reading a String value from a JSON Object tree.

asLong

public static Long asLong(String jsonPath,
                          Map<String,Object> json)

Helper function for reading a Long value from a JSON Object tree.

asList

public static List<String> asList(String jsonPath,
                                  Map<String,Object> json)

Helper function for reading a List of Strings from a JSON Object tree.

asMap

public static Map<String,Object> asMap(String jsonPath,
                                       Map<String,Object> json)

Helper function for reading a Map from a JSON Object tree.

pathAs

public static <T> T pathAs(Class<T> clazz,
                           String jsonPath,
                           Map<String,Object> json)

atPath

public static Object atPath(String jsonPath,
                            Map<String,Object> json)

Helper function for reading an Object of unknown type from a JSON Object tree. To find a path to a child that starts with a slash (e.g. queryHandler named /query) you must escape the slash. For instance /config/requestHandler/\/query/defaults/echoParams would get the echoParams value for the "/query" request handler.

resolveSolrUrl

public static String resolveSolrUrl(org.apache.commons.cli.CommandLine cli)
                             throws Exception

Get the base URL of a live Solr instance from either the solrUrl command-line option from ZooKeeper.

Throws:

Exception

getZkHost

public static String getZkHost(org.apache.commons.cli.CommandLine cli)
                        throws Exception

Get the ZooKeeper connection string from either the zkHost command-line option or by looking it up from a running Solr instance based on the solrUrl option.

Throws:

Exception

safeCheckCollectionExists

public static boolean safeCheckCollectionExists(String url,
                                                String collection)

safeCheckCoreExists

public static boolean safeCheckCoreExists(String coreStatusUrl,
                                          String coreName)