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wazuh-docker-mirror/build-docker-images/wazuh-indexer/config/entrypoint.sh

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#!/usr/bin/env bash
# Wazuh Docker Copyright (C) 2017, Wazuh Inc. (License GPLv2)
set -e
umask 0002
export USER=wazuh-indexer
export INSTALLATION_DIR=/usr/share/wazuh-indexer
export OPENSEARCH_PATH_CONF=${INSTALLATION_DIR}
export CACERT=$(grep -oP "(?<=plugins.security.ssl.transport.pemtrustedcas_filepath: ).*" ${OPENSEARCH_PATH_CONF}/opensearch.yml)
export CERT="${OPENSEARCH_PATH_CONF}/certs/admin.pem"
export KEY="${OPENSEARCH_PATH_CONF}/certs/admin-key.pem"
opensearch_vars=(
cluster.name
node.name
node.roles
path.data
path.logs
bootstrap.memory_lock
network.host
http.port
transport.port
network.bind_host
network.publish_host
transport.tcp.port
compatibility.override_main_response_version
http.host
http.bind_host
http.publish_host
http.compression
transport.host
transport.bind_host
transport.publish_host
discovery.seed_hosts
discovery.seed_providers
discovery.type
cluster.initial_cluster_manager_nodes
cluster.initial_master_nodes
node.max_local_storage_nodes
gateway.recover_after_nodes
gateway.recover_after_data_nodes
gateway.expected_data_nodes
gateway.recover_after_time
plugins.security.nodes_dn
plugins.security.nodes_dn_dynamic_config_enabled
plugins.security.authcz.admin_dn
plugins.security.roles_mapping_resolution
plugins.security.dls.mode
plugins.security.compliance.salt
config.dynamic.http.anonymous_auth_enabled
plugins.security.restapi.roles_enabled
plugins.security.restapi.password_validation_regex
plugins.security.restapi.password_validation_error_message
plugins.security.restapi.password_min_length
plugins.security.restapi.password_score_based_validation_strength
plugins.security.unsupported.restapi.allow_securityconfig_modification
plugins.security.authcz.impersonation_dn
plugins.security.authcz.rest_impersonation_user
plugins.security.allow_default_init_securityindex
plugins.security.allow_unsafe_democertificates
plugins.security.system_indices.permission.enabled
plugins.security.config_index_name
plugins.security.cert.oid
plugins.security.cert.intercluster_request_evaluator_class
plugins.security.enable_snapshot_restore_privilege
plugins.security.check_snapshot_restore_write_privileges
plugins.security.cache.ttl_minutes
plugins.security.protected_indices.enabled
plugins.security.protected_indices.roles
plugins.security.protected_indices.indices
plugins.security.system_indices.enabled
plugins.security.system_indices.indices
plugins.security.audit.enable_rest
plugins.security.audit.enable_transport
plugins.security.audit.resolve_bulk_requests
plugins.security.audit.config.disabled_categories
plugins.security.audit.ignore_requests
plugins.security.audit.threadpool.size
plugins.security.audit.threadpool.max_queue_len
plugins.security.audit.ignore_users
plugins.security.audit.type
plugins.security.audit.config.http_endpoints
plugins.security.audit.config.index
plugins.security.audit.config.type
plugins.security.audit.config.username
plugins.security.audit.config.password
plugins.security.audit.config.enable_ssl
plugins.security.audit.config.verify_hostnames
plugins.security.audit.config.enable_ssl_client_auth
plugins.security.audit.config.cert_alias
plugins.security.audit.config.pemkey_filepath
plugins.security.audit.config.pemkey_content
plugins.security.audit.config.pemkey_password
plugins.security.audit.config.pemcert_filepath
plugins.security.audit.config.pemcert_content
plugins.security.audit.config.pemtrustedcas_filepath
plugins.security.audit.config.pemtrustedcas_content
plugins.security.audit.config.webhook.url
plugins.security.audit.config.webhook.format
plugins.security.audit.config.webhook.ssl.verify
plugins.security.audit.config.webhook.ssl.pemtrustedcas_filepath
plugins.security.audit.config.webhook.ssl.pemtrustedcas_content
plugins.security.audit.config.log4j.logger_name
plugins.security.audit.config.log4j.level
opendistro_security.audit.config.disabled_rest_categories
opendistro_security.audit.config.disabled_transport_categories
plugins.security.ssl.transport.enforce_hostname_verification
plugins.security.ssl.transport.resolve_hostname
plugins.security.ssl.http.clientauth_mode
plugins.security.ssl.http.enabled_ciphers
plugins.security.ssl.http.enabled_protocols
plugins.security.ssl.transport.enabled_ciphers
plugins.security.ssl.transport.enabled_protocols
plugins.security.ssl.transport.keystore_type
plugins.security.ssl.transport.keystore_filepath
plugins.security.ssl.transport.keystore_alias
plugins.security.ssl.transport.keystore_password
plugins.security.ssl.transport.truststore_type
plugins.security.ssl.transport.truststore_filepath
plugins.security.ssl.transport.truststore_alias
plugins.security.ssl.transport.truststore_password
plugins.security.ssl.http.enabled
plugins.security.ssl.http.keystore_type
plugins.security.ssl.http.keystore_filepath
plugins.security.ssl.http.keystore_alias
plugins.security.ssl.http.keystore_password
plugins.security.ssl.http.truststore_type
plugins.security.ssl.http.truststore_filepath
plugins.security.ssl.http.truststore_alias
plugins.security.ssl.http.truststore_password
plugins.security.ssl.transport.enable_openssl_if_available
plugins.security.ssl.http.enable_openssl_if_available
plugins.security.ssl.transport.pemkey_filepath
plugins.security.ssl.transport.pemkey_password
plugins.security.ssl.transport.pemcert_filepath
plugins.security.ssl.transport.pemtrustedcas_filepath
plugins.security.ssl.http.pemkey_filepath
plugins.security.ssl.http.pemkey_password
plugins.security.ssl.http.pemcert_filepath
plugins.security.ssl.http.pemtrustedcas_filepath
plugins.security.ssl.transport.enabled
plugins.security.ssl.transport.client.pemkey_password
plugins.security.ssl.transport.keystore_keypassword
plugins.security.ssl.transport.server.keystore_keypassword
plugins.sercurity.ssl.transport.server.keystore_alias
plugins.sercurity.ssl.transport.client.keystore_alias
plugins.sercurity.ssl.transport.server.truststore_alias
plugins.sercurity.ssl.transport.client.truststore_alias
plugins.security.ssl.client.external_context_id
plugins.secuirty.ssl.transport.principal_extractor_class
plugins.security.ssl.http.crl.file_path
plugins.security.ssl.http.crl.validate
plugins.security.ssl.http.crl.prefer_crlfile_over_ocsp
plugins.security.ssl.http.crl.check_only_end_entitites
plugins.security.ssl.http.crl.disable_ocsp
plugins.security.ssl.http.crl.disable_crldp
plugins.security.ssl.allow_client_initiated_renegotiation
indices.breaker.total.use_real_memory
indices.breaker.total.limit
indices.breaker.fielddata.limit
indices.breaker.fielddata.overhead
indices.breaker.request.limit
indices.breaker.request.overhead
network.breaker.inflight_requests.limit
network.breaker.inflight_requests.overhead
cluster.routing.allocation.enable
cluster.routing.allocation.node_concurrent_incoming_recoveries
cluster.routing.allocation.node_concurrent_outgoing_recoveries
cluster.routing.allocation.node_concurrent_recoveries
cluster.routing.allocation.node_initial_primaries_recoveries
cluster.routing.allocation.same_shard.host
cluster.routing.rebalance.enable
cluster.routing.allocation.allow_rebalance
cluster.routing.allocation.cluster_concurrent_rebalance
cluster.routing.allocation.balance.shard
cluster.routing.allocation.balance.index
cluster.routing.allocation.balance.threshold
cluster.routing.allocation.balance.prefer_primary
cluster.routing.allocation.disk.threshold_enabled
cluster.routing.allocation.disk.watermark.low
cluster.routing.allocation.disk.watermark.high
cluster.routing.allocation.disk.watermark.flood_stage
cluster.info.update.interval
cluster.routing.allocation.shard_movement_strategy
cluster.blocks.read_only
cluster.blocks.read_only_allow_delete
cluster.max_shards_per_node
cluster.persistent_tasks.allocation.enable
cluster.persistent_tasks.allocation.recheck_interval
cluster.search.request.slowlog.threshold.warn
cluster.search.request.slowlog.threshold.info
cluster.search.request.slowlog.threshold.debug
cluster.search.request.slowlog.threshold.trace
cluster.search.request.slowlog.level
cluster.fault_detection.leader_check.timeout
cluster.fault_detection.follower_check.timeout
action.auto_create_index
action.destructive_requires_name
cluster.default.index.refresh_interval
cluster.minimum.index.refresh_interval
cluster.indices.close.enable
indices.recovery.max_bytes_per_sec
indices.recovery.max_concurrent_file_chunks
indices.recovery.max_concurrent_operations
indices.recovery.max_concurrent_remote_store_streams
indices.time_series_index.default_index_merge_policy
indices.fielddata.cache.size
index.number_of_shards
index.number_of_routing_shards
index.shard.check_on_startup
index.codec
index.codec.compression_level
index.routing_partition_size
index.soft_deletes.retention_lease.period
index.load_fixed_bitset_filters_eagerly
index.hidden
index.merge.policy
index.merge_on_flush.enabled
index.merge_on_flush.max_full_flush_merge_wait_time
index.merge_on_flush.policy
index.check_pending_flush.enabled
index.number_of_replicas
index.auto_expand_replicas
index.search.idle.after
index.refresh_interval
index.max_result_window
index.max_inner_result_window
index.max_rescore_window
index.max_docvalue_fields_search
index.max_script_fields
index.max_ngram_diff
index.max_shingle_diff
index.max_refresh_listeners
index.analyze.max_token_count
index.highlight.max_analyzed_offset
index.max_terms_count
index.max_regex_length
index.query.default_field
index.query.max_nested_depth
index.routing.allocation.enable
index.routing.rebalance.enable
index.gc_deletes
index.default_pipeline
index.final_pipeline
index.optimize_doc_id_lookup.fuzzy_set.enabled
index.optimize_doc_id_lookup.fuzzy_set.false_positive_probability
search.max_buckets
search.phase_took_enabled
search.allow_expensive_queries
search.default_allow_partial_results
search.cancel_after_time_interval
search.default_search_timeout
search.default_keep_alive
search.keep_alive_interval
search.max_keep_alive
search.low_level_cancellation
search.max_open_scroll_context
search.request_stats_enabled
search.highlight.term_vector_multi_value
snapshot.max_concurrent_operations
cluster.remote_store.translog.buffer_interval
remote_store.moving_average_window_size
opensearch.notifications.core.allowed_config_types
opensearch.notifications.core.email.minimum_header_length
opensearch.notifications.core.email.size_limit
opensearch.notifications.core.http.connection_timeout
opensearch.notifications.core.http.host_deny_list
opensearch.notifications.core.http.max_connection_per_route
opensearch.notifications.core.http.max_connections
opensearch.notifications.core.http.socket_timeout
opensearch.notifications.core.tooltip_support
opensearch.notifications.general.filter_by_backend_roles
)
run_as_other_user_if_needed() {
if [[ "$(id -u)" == "0" ]]; then
# If running as root, drop to specified UID and run command
exec chroot --userspec=1000:0 / "${@}"
else
# Either we are running in Openshift with random uid and are a member of the root group
# or with a custom --user
exec "${@}"
fi
}
function buildOpensearchConfig {
echo "" >> $OPENSEARCH_PATH_CONF/opensearch.yml
for opensearch_var in ${opensearch_vars[*]}; do
env_var=$(echo ${opensearch_var^^} | tr . _)
value=${!env_var}
if [[ -n $value ]]; then
if grep -q $opensearch_var $OPENSEARCH_PATH_CONF/opensearch.yml; then
lineNum="$(grep -n "$opensearch_var" $OPENSEARCH_PATH_CONF/opensearch.yml | head -n 1 | cut -d: -f1)"
sed -i "${lineNum}d" $OPENSEARCH_PATH_CONF/opensearch.yml
charline=$(awk "NR == ${lineNum}" $OPENSEARCH_PATH_CONF/opensearch.yml | head -c 1)
fi
while :
do
case "$charline" in
"-"| "#" |" ") sed -i "${lineNum}d" $OPENSEARCH_PATH_CONF/opensearch.yml;;
*) break;;
esac
charline=$(awk "NR == ${lineNum}" $OPENSEARCH_PATH_CONF/opensearch.yml | head -c 1)
done
longoptfile="${opensearch_var}: ${value}"
if grep -q $opensearch_var $OPENSEARCH_PATH_CONF/opensearch.yml; then
sed -i "/${opensearch_var}/ s|^.*$|${longoptfile}|" $OPENSEARCH_PATH_CONF/opensearch.yml
else
echo $longoptfile >> $OPENSEARCH_PATH_CONF/opensearch.yml
fi
fi
done
}
buildOpensearchConfig
# Allow user specify custom CMD, maybe bin/opensearch itself
# for example to directly specify `-E` style parameters for opensearch on k8s
# or simply to run /bin/bash to check the image
if [[ "$1" != "opensearchwrapper" ]]; then
if [[ "$(id -u)" == "0" && $(basename "$1") == "opensearch" ]]; then
# Rewrite CMD args to replace $1 with `opensearch` explicitly,
# Without this, user could specify `opensearch -E x.y=z` but
# `bin/opensearch -E x.y=z` would not work.
set -- "opensearch" "${@:2}"
# Use chroot to switch to UID 1000 / GID 0
exec chroot --userspec=1000:0 / "$@"
else
# User probably wants to run something else, like /bin/bash, with another uid forced (Openshift?)
exec "$@"
fi
fi
# Allow environment variables to be set by creating a file with the
# contents, and setting an environment variable with the suffix _FILE to
# point to it. This can be used to provide secrets to a container, without
# the values being specified explicitly when running the container.
#
# This is also sourced in opensearch-env, and is only needed here
# as well because we use INDEXER_PASSWORD below. Sourcing this script
# is idempotent.
source /usr/share/wazuh-indexer/bin/opensearch-env-from-file
if [[ -f bin/opensearch-users ]]; then
# Check for the INDEXER_PASSWORD environment variable to set the
# bootstrap password for Security.
#
# This is only required for the first node in a cluster with Security
# enabled, but we have no way of knowing which node we are yet. We'll just
# honor the variable if it's present.
if [[ -n "$INDEXER_PASSWORD" ]]; then
[[ -f /usr/share/wazuh-indexer/opensearch.keystore ]] || (run_as_other_user_if_needed opensearch-keystore create)
if ! (run_as_other_user_if_needed opensearch-keystore has-passwd --silent) ; then
# keystore is unencrypted
if ! (run_as_other_user_if_needed opensearch-keystore list | grep -q '^bootstrap.password$'); then
(run_as_other_user_if_needed echo "$INDEXER_PASSWORD" | opensearch-keystore add -x 'bootstrap.password')
fi
else
# keystore requires password
if ! (run_as_other_user_if_needed echo "$KEYSTORE_PASSWORD" \
| opensearch-keystore list | grep -q '^bootstrap.password$') ; then
COMMANDS="$(printf "%s\n%s" "$KEYSTORE_PASSWORD" "$INDEXER_PASSWORD")"
(run_as_other_user_if_needed echo "$COMMANDS" | opensearch-keystore add -x 'bootstrap.password')
fi
fi
fi
fi
if [[ "$(id -u)" == "0" ]]; then
# If requested and running as root, mutate the ownership of bind-mounts
if [[ -n "$TAKE_FILE_OWNERSHIP" ]]; then
chown -R 1000:0 /usr/share/wazuh-indexer/{data,logs}
fi
fi
run_as_other_user_if_needed /usr/share/wazuh-indexer/bin/opensearch <<<"$KEYSTORE_PASSWORD"