lucene/solr/bin/solr.in.sh
Jason Gerlowski 5377742a62
SOLR-13985: Bind to localhost interface by default (#1154)
Prior to this commit, Solr's Jetty listened for connections on all
network interfaces. This commit changes it to only listen on localhost,
to prevent incautious administrators from accidentally exposing their
Solr deployment to the world.

Administrators who wish to override this behavior can set the
SOLR_JETTY_HOST property in their Solr include file
(solr.in.sh/solr.in.cmd) to "0.0.0.0" or some other value.

A version of this commit was previously reverted due to inconsistency
between SOLR_HOST and SOLR_JETTY_HOST.  This commit fixes this issue.
2020-01-13 09:42:30 -05:00

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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
# Settings here will override settings in existing env vars or in bin/solr. The default shipped state
# of this file is completely commented.
# By default the script will use JAVA_HOME to determine which java
# to use, but you can set a specific path for Solr to use without
# affecting other Java applications on your server/workstation.
#SOLR_JAVA_HOME=""
# This controls the number of seconds that the solr script will wait for
# Solr to stop gracefully or Solr to start. If the graceful stop fails,
# the script will forcibly stop Solr. If the start fails, the script will
# give up waiting and display the last few lines of the logfile.
#SOLR_STOP_WAIT="180"
# Increase Java Heap as needed to support your indexing / query needs
#SOLR_HEAP="512m"
# Expert: If you want finer control over memory options, specify them directly
# Comment out SOLR_HEAP if you are using this though, that takes precedence
#SOLR_JAVA_MEM="-Xms512m -Xmx512m"
# Enable verbose GC logging...
# * If this is unset, various default options will be selected depending on which JVM version is in use
# * For Java 8: if this is set, additional params will be added to specify the log file & rotation
# * For Java 9 or higher: each included opt param that starts with '-Xlog:gc', but does not include an
# output specifier, will have a 'file' output specifier (as well as formatting & rollover options)
# appended, using the effective value of the SOLR_LOGS_DIR.
#
#GC_LOG_OPTS='-Xlog:gc*' # (Java 9+)
#GC_LOG_OPTS="-verbose:gc -XX:+PrintHeapAtGC -XX:+PrintGCDetails \
# -XX:+PrintGCDateStamps -XX:+PrintGCTimeStamps -XX:+PrintTenuringDistribution -XX:+PrintGCApplicationStoppedTime"
# These GC settings have shown to work well for a number of common Solr workloads
#GC_TUNE=" \
#-XX:SurvivorRatio=4 \
#-XX:TargetSurvivorRatio=90 \
#-XX:MaxTenuringThreshold=8 \
#-XX:+UseConcMarkSweepGC \
#-XX:ConcGCThreads=4 -XX:ParallelGCThreads=4 \
#-XX:+CMSScavengeBeforeRemark \
#-XX:PretenureSizeThreshold=64m \
#-XX:+UseCMSInitiatingOccupancyOnly \
#-XX:CMSInitiatingOccupancyFraction=50 \
#-XX:CMSMaxAbortablePrecleanTime=6000 \
#-XX:+CMSParallelRemarkEnabled \
#-XX:+ParallelRefProcEnabled \
#-XX:-OmitStackTraceInFastThrow etc.
# Set the ZooKeeper connection string if using an external ZooKeeper ensemble
# e.g. host1:2181,host2:2181/chroot
# Leave empty if not using SolrCloud
#ZK_HOST=""
# Set the ZooKeeper client timeout (for SolrCloud mode)
#ZK_CLIENT_TIMEOUT="15000"
# By default the start script uses "localhost"; override the hostname here
# for production SolrCloud environments to control the hostname exposed to cluster state
#SOLR_HOST="192.168.1.1"
# By default Solr will try to connect to Zookeeper with 30 seconds in timeout; override the timeout if needed
#SOLR_WAIT_FOR_ZK="30"
# By default the start script uses UTC; override the timezone if needed
#SOLR_TIMEZONE="UTC"
# Set to true to activate the JMX RMI connector to allow remote JMX client applications
# to monitor the JVM hosting Solr; set to "false" to disable that behavior
# (false is recommended in production environments)
#ENABLE_REMOTE_JMX_OPTS="false"
# The script will use SOLR_PORT+10000 for the RMI_PORT or you can set it here
# RMI_PORT=18983
# Anything you add to the SOLR_OPTS variable will be included in the java
# start command line as-is, in ADDITION to other options. If you specify the
# -a option on start script, those options will be appended as well. Examples:
#SOLR_OPTS="$SOLR_OPTS -Dsolr.autoSoftCommit.maxTime=3000"
#SOLR_OPTS="$SOLR_OPTS -Dsolr.autoCommit.maxTime=60000"
#SOLR_OPTS="$SOLR_OPTS -Dsolr.clustering.enabled=true"
# Location where the bin/solr script will save PID files for running instances
# If not set, the script will create PID files in $SOLR_TIP/bin
#SOLR_PID_DIR=
# Path to a directory for Solr to store cores and their data. By default, Solr will use server/solr
# If solr.xml is not stored in ZooKeeper, this directory needs to contain solr.xml
#SOLR_HOME=
# Path to a directory that Solr will use as root for data folders for each core.
# If not set, defaults to <instance_dir>/data. Overridable per core through 'dataDir' core property
#SOLR_DATA_HOME=
# Solr provides a default Log4J configuration xml file in server/resources
# however, you may want to customize the log settings and file appender location
# so you can point the script to use a different log4j2.xml file
#LOG4J_PROPS=/var/solr/log4j2.xml
# Changes the logging level. Valid values: ALL, TRACE, DEBUG, INFO, WARN, ERROR, FATAL, OFF. Default is INFO
# This is an alternative to changing the rootLogger in log4j2.xml
#SOLR_LOG_LEVEL=INFO
# Location where Solr should write logs to. Absolute or relative to solr start dir
#SOLR_LOGS_DIR=logs
# Enables log rotation before starting Solr. Setting SOLR_LOG_PRESTART_ROTATION=true will let Solr take care of pre
# start rotation of logs. This is false by default as log4j2 handles this for us. If you choose to use another log
# framework that cannot do startup rotation, you may want to enable this to let Solr rotate logs on startup.
#SOLR_LOG_PRESTART_ROTATION=false
# Enables jetty request log for all requests
#SOLR_REQUESTLOG_ENABLED=false
# Sets the port Solr binds to, default is 8983
#SOLR_PORT=8983
# Restrict access to solr by IP address.
# Specify a comma-separated list of addresses or networks, for example:
# 127.0.0.1, 192.168.0.0/24, [::1], [2000:123:4:5::]/64
#SOLR_IP_WHITELIST=
# Block access to solr from specific IP addresses.
# Specify a comma-separated list of addresses or networks, for example:
# 127.0.0.1, 192.168.0.0/24, [::1], [2000:123:4:5::]/64
#SOLR_IP_BLACKLIST=
# Sets the network interface the Solr binds to. To prevent administrators from
# accidentally exposing Solr more widely than intended, this defaults to 127.0.0.1.
# Administrators should think carefully about their deployment environment and
# set this value as narrowly as required before going to production. In
# environments where security is not a concern, 0.0.0.0 can be used to allow
# Solr to accept connections on all network interfaces.
#SOLR_JETTY_HOST="127.0.0.1"
# Enables HTTPS. It is implictly true if you set SOLR_SSL_KEY_STORE. Use this config
# to enable https module with custom jetty configuration.
#SOLR_SSL_ENABLED=true
# Uncomment to set SSL-related system properties
# Be sure to update the paths to the correct keystore for your environment
#SOLR_SSL_KEY_STORE=etc/solr-ssl.keystore.jks
#SOLR_SSL_KEY_STORE_PASSWORD=secret
#SOLR_SSL_TRUST_STORE=etc/solr-ssl.keystore.jks
#SOLR_SSL_TRUST_STORE_PASSWORD=secret
# Require clients to authenticate
#SOLR_SSL_NEED_CLIENT_AUTH=false
# Enable clients to authenticate (but not require)
#SOLR_SSL_WANT_CLIENT_AUTH=false
# Verify client's hostname during SSL handshake
#SOLR_SSL_CLIENT_HOSTNAME_VERIFICATION=false
# SSL Certificates contain host/ip "peer name" information that is validated by default. Setting
# this to false can be useful to disable these checks when re-using a certificate on many hosts
#SOLR_SSL_CHECK_PEER_NAME=true
# Override Key/Trust Store types if necessary
#SOLR_SSL_KEY_STORE_TYPE=PKCS12
#SOLR_SSL_TRUST_STORE_TYPE=PKCS12
# Uncomment if you want to override previously defined SSL values for HTTP client
# otherwise keep them commented and the above values will automatically be set for HTTP clients
#SOLR_SSL_CLIENT_KEY_STORE=
#SOLR_SSL_CLIENT_KEY_STORE_PASSWORD=
#SOLR_SSL_CLIENT_TRUST_STORE=
#SOLR_SSL_CLIENT_TRUST_STORE_PASSWORD=
#SOLR_SSL_CLIENT_KEY_STORE_TYPE=
#SOLR_SSL_CLIENT_TRUST_STORE_TYPE=
# Sets path of Hadoop credential provider (hadoop.security.credential.provider.path property) and
# enables usage of credential store.
# Credential provider should store the following keys:
# * solr.jetty.keystore.password
# * solr.jetty.truststore.password
# Set the two below if you want to set specific store passwords for HTTP client
# * javax.net.ssl.keyStorePassword
# * javax.net.ssl.trustStorePassword
# More info: https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/CredentialProviderAPI.html
#SOLR_HADOOP_CREDENTIAL_PROVIDER_PATH=localjceks://file/home/solr/hadoop-credential-provider.jceks
#SOLR_OPTS=" -Dsolr.ssl.credential.provider.chain=hadoop"
# Settings for authentication
# Please configure only one of SOLR_AUTHENTICATION_CLIENT_BUILDER or SOLR_AUTH_TYPE parameters
#SOLR_AUTHENTICATION_CLIENT_BUILDER="org.apache.solr.client.solrj.impl.PreemptiveBasicAuthClientBuilderFactory"
#SOLR_AUTH_TYPE="basic"
#SOLR_AUTHENTICATION_OPTS="-Dbasicauth=solr:SolrRocks"
# Settings for ZK ACL
#SOLR_ZK_CREDS_AND_ACLS="-DzkACLProvider=org.apache.solr.common.cloud.VMParamsAllAndReadonlyDigestZkACLProvider \
# -DzkCredentialsProvider=org.apache.solr.common.cloud.VMParamsSingleSetCredentialsDigestZkCredentialsProvider \
# -DzkDigestUsername=admin-user -DzkDigestPassword=CHANGEME-ADMIN-PASSWORD \
# -DzkDigestReadonlyUsername=readonly-user -DzkDigestReadonlyPassword=CHANGEME-READONLY-PASSWORD"
#SOLR_OPTS="$SOLR_OPTS $SOLR_ZK_CREDS_AND_ACLS"
# Settings for common system values that may cause operational imparement when system defaults are used.
# Solr can use many processes and many file handles. On modern operating systems the savings by leaving
# these settings low is minuscule, while the consequence can be Solr instability. To turn these checks off, set
# SOLR_ULIMIT_CHECKS=false either here or as part of your profile.
# Different limits can be set in solr.in.sh or your profile if you prefer as well.
#SOLR_RECOMMENDED_OPEN_FILES=
#SOLR_RECOMMENDED_MAX_PROCESSES=
#SOLR_ULIMIT_CHECKS=
# When running Solr in non-cloud mode and if planning to do distributed search (using the "shards" parameter), the
# list of hosts needs to be whitelisted or Solr will forbid the request. The whitelist can be configured in solr.xml,
# or if you are using the OOTB solr.xml, can be specified using the system property "solr.shardsWhitelist". Alternatively
# host checking can be disabled by using the system property "solr.disable.shardsWhitelist"
#SOLR_OPTS="$SOLR_OPTS -Dsolr.shardsWhitelist=http://localhost:8983,http://localhost:8984"
# For a visual indication in the Admin UI of what type of environment this cluster is, configure
# a -Dsolr.environment property below. Valid values are prod, stage, test, dev, with an optional
# label or color, e.g. -Dsolr.environment=test,label=Functional+test,color=brown
#SOLR_OPTS="$SOLR_OPTS -Dsolr.environment=prod"
# Runs solr in java security manager sandbox. This can protect against some attacks.
# Runtime properties are passed to the security policy file (server/etc/security.policy)
# You can also tweak via standard JDK files such as ~/.java.policy, see https://s.apache.org/java8policy
# This is experimental! It may not work at all with Hadoop/HDFS features.
#SOLR_SECURITY_MANAGER_ENABLED=false