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docker-entrypoint.sh
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docker-entrypoint.sh
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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.
#!/bin/bash
set -e
var_application_file="config/application.yml"
generateClusterStandalone() {
echo "cluster:" >> ${var_application_file}
echo " standalone:" >> ${var_application_file}
}
generateClusterZookeeper() {
cat <<EOT >> ${var_application_file}
cluster:
zookeeper:
nameSpace: \${SW_NAMESPACE:""}
hostPort: \${SW_CLUSTER_ZK_HOST_PORT:zookeeper:2181}
#Retry Policy
baseSleepTimeMs: \${SW_CLUSTER_ZK_SLEEP_TIME:1000} # initial amount of time to wait between retries
maxRetries: \${SW_CLUSTER_ZK_MAX_RETRIES:3} # max number of times to retry
# Enable ACL
enableACL: \${SW_ZK_ENABLE_ACL:false} # disable ACL in default
schema: \${SW_ZK_SCHEMA:digest} # only support digest schema
expression: \${SW_ZK_EXPRESSION:skywalking:skywalking}
EOT
}
generateClusterK8s() {
cat <<EOT >> ${var_application_file}
cluster:
kubernetes:
watchTimeoutSeconds: \${SW_CLUSTER_K8S_WATCH_TIMEOUT:60}
namespace: \${SW_CLUSTER_K8S_NAMESPACE:default}
labelSelector: \${SW_CLUSTER_K8S_LABEL:app=collector,release=skywalking}
uidEnvName: \${SW_CLUSTER_K8S_UID:SKYWALKING_COLLECTOR_UID}
EOT
}
generateClusterConsul() {
cat <<EOT >> ${var_application_file}
cluster:
consul:
serviceName: \${SW_SERVICE_NAME:"SkyWalking_OAP_Cluster"}
# Consul cluster nodes, example: 10.0.0.1:8500,10.0.0.2:8500,10.0.0.3:8500
hostPort: \${SW_CLUSTER_CONSUL_HOST_PORT:consul:8500}
EOT
}
generateClusterEtcd() {
cat <<EOT >> ${var_application_file}
cluster:
etcd:
serviceName: \${SW_SERVICE_NAME:"SkyWalking_OAP_Cluster"}
# Etcd cluster nodes, example: 10.0.0.1:2379,10.0.0.2:2379,10.0.0.3:2379
hostPort: \${SW_CLUSTER_ETCD_HOST_PORT:etcd:2379}
EOT
}
generateClusterNacos() {
cat <<EOT >> ${var_application_file}
cluster:
nacos:
serviceName: \${SW_SERVICE_NAME:"SkyWalking_OAP_Cluster"}
namespace: \${SW_CLUSTER_NACOS_NAMESPACE:""}
hostPort: \${SW_CLUSTER_NACOS_HOST_PORT:nacos:8848}
EOT
}
generateStorageElastisearch() {
if [[ "$SW_RECEIVER_ZIPKIN_ENABLED" = "true" ]]; then
cat <<EOT >> ${var_application_file}
storage:
zipkin-elasticsearch:
EOT
elif [[ "$SW_RECEIVER_JAEGER_ENABLED" = "true" ]]; then
cat <<EOT >> ${var_application_file}
storage:
jaeger-elasticsearch:
EOT
else
cat <<EOT >> ${var_application_file}
storage:
elasticsearch:
EOT
fi
cat <<EOT >> ${var_application_file}
nameSpace: \${SW_NAMESPACE:""}
clusterNodes: \${SW_STORAGE_ES_CLUSTER_NODES:localhost:9200}
protocol: \${SW_STORAGE_ES_HTTP_PROTOCOL:"http"}
user: \${SW_ES_USER:""}
password: \${SW_ES_PASSWORD:""}
indexShardsNumber: \${SW_STORAGE_ES_INDEX_SHARDS_NUMBER:2}
indexReplicasNumber: \${SW_STORAGE_ES_INDEX_REPLICAS_NUMBER:0}
# Those data TTL settings will override the same settings in core module.
recordDataTTL: \${SW_STORAGE_ES_RECORD_DATA_TTL:7} # Unit is day
otherMetricsDataTTL: \${SW_STORAGE_ES_OTHER_METRIC_DATA_TTL:45} # Unit is day
monthMetricsDataTTL: \${SW_STORAGE_ES_MONTH_METRIC_DATA_TTL:18} # Unit is month
# Batch process setting, refer to https://www.elastic.co/guide/en/elasticsearch/client/java-api/5.5/java-docs-bulk-processor.html
bulkActions: \${SW_STORAGE_ES_BULK_ACTIONS:2000} # Execute the bulk every 2000 requests
bulkSize: \${SW_STORAGE_ES_BULK_SIZE:20} # flush the bulk every 20mb
flushInterval: \${SW_STORAGE_ES_FLUSH_INTERVAL:10} # flush the bulk every 10 seconds whatever the number of requests
concurrentRequests: \${SW_STORAGE_ES_CONCURRENT_REQUESTS:2} # the number of concurrent requests
resultWindowMaxSize: \${SW_STORAGE_ES_QUERY_MAX_WINDOW_SIZE:10000}
metadataQueryMaxSize: \${SW_STORAGE_ES_QUERY_MAX_SIZE:5000}
segmentQueryMaxSize: \${SW_STORAGE_ES_QUERY_SEGMENT_SIZE:200}
EOT
}
generateStorageH2() {
cat <<EOT >> ${var_application_file}
storage:
h2:
driver: \${SW_STORAGE_H2_DRIVER:org.h2.jdbcx.JdbcDataSource}
url: \${SW_STORAGE_H2_URL:jdbc:h2:mem:skywalking-oap-db}
user: \${SW_STORAGE_H2_USER:sa}
metadataQueryMaxSize: \${SW_STORAGE_H2_QUERY_MAX_SIZE:5000}
EOT
}
generateStorageMySQL() {
cat <<EOT >> ${var_application_file}
storage:
mysql:
properties:
jdbcUrl: \${SW_JDBC_URL:"jdbc:mysql://localhost:3306/swtest"}
dataSource.user: \${SW_DATA_SOURCE_USER:root}
dataSource.password: \${SW_DATA_SOURCE_PASSWORD:root@1234}
dataSource.cachePrepStmts: \${SW_DATA_SOURCE_CACHE_PREP_STMTS:true}
dataSource.prepStmtCacheSize: \${SW_DATA_SOURCE_PREP_STMT_CACHE_SQL_SIZE:250}
dataSource.prepStmtCacheSqlLimit: \${SW_DATA_SOURCE_PREP_STMT_CACHE_SQL_LIMIT:2048}
dataSource.useServerPrepStmts: \${SW_DATA_SOURCE_USE_SERVER_PREP_STMTS:true}
metadataQueryMaxSize: \${SW_STORAGE_MYSQL_QUERY_MAX_SIZE:5000}
EOT
}
generateConfigurationNone() {
cat <<EOT >> ${var_application_file}
configuration:
none:
EOT
}
generateConfigurationApollo() {
cat <<EOT >> ${var_application_file}
configuration:
apollo:
apolloMeta: \${SW_CONFIGURATION_APOLLO_META:http://apollo:8080}
apolloCluster: \${SW_CONFIGURATION_APOLLO_CLUSTER:default}
apolloEnv: \${SW_CONFIGURATION_APOLLO_ENV:""}
appId: \${SW_CONFIGURATION_APOLLO_APP_ID:skywalking}
period: \${SW_CONFIGURATION_APOLLO_PERIOD:5}
EOT
}
generateConfigurationNacos() {
cat <<EOT >> ${var_application_file}
configuration:
nacos:
# Nacos Server Host
serverAddr: \${SW_CONFIGURATION_NACOS_SERVER_ADDR:nacos}
# Nacos Server Port
port: \${SW_CONFIGURATION_NACOS_PORT:8848}
# Nacos Configuration Group
group: \${SW_CONFIGURATION_NACOS_GROUP:skywalking}
# Nacos Configuration namespace
namespace: \${SW_CONFIGURATION_NACOS_NAMESPACE:""}
# Unit seconds, sync period. Default fetch every 60 seconds.
period : \${SW_CONFIGURATION_NACOS_PERIOD:5}
# the name of current cluster, set the name if you want to upstream system known.
clusterName: \${SW_CONFIGURATION_NACOS_CLUSTER_NAME:default}
EOT
}
generateConfigurationZookeeper() {
cat <<EOT >> ${var_application_file}
configuration:
zookeeper:
period: \${SW_CONFIGURATION_ZOOKEEPER_PERIOD:60} # Unit seconds, sync period. Default fetch every 60 seconds.
nameSpace: \${SW_CONFIGURATION_ZOOKEEPER_NAMESPACE:/default}
hostPort: \${SW_CONFIGURATION_ZOOKEEPER_HOST_PATH:localhost:2181}
#Retry Policy
baseSleepTimeMs: \${SW_CONFIGURATION_ZOOKEEPER_BASE_SLEEP_TIME_MS:1000} # initial amount of time to wait between retries
maxRetries: \${SW_CONFIGURATION_ZOOKEEPER_MAX_RETRIES:3}3 # max number of times to retry
EOT
}
generateConfigurationConsul() {
cat <<EOT >> ${var_application_file}
configuration:
consul:
# Consul host and ports, separated by comma, e.g. 1.2.3.4:8500,2.3.4.5:8500
hostAndPorts: \${SW_CONFIGURATION_CONSUL_ADDRESS:127.0.0.1:8500}
# Sync period in seconds. Defaults to 60 seconds.
period: \${SW_CONFIGURATION_CONSUL_PERIOD:60}
EOT
}
generateTelemetryNone() {
cat <<EOT >> ${var_application_file}
telemetry:
none:
EOT
}
generateTelemetryPrometheus() {
cat <<EOT >> ${var_application_file}
telemetry:
prometheus:
host: \${SW_TELEMETRY_PROMETHEUS_HOST:0.0.0.0}
port: \${SW_TELEMETRY_PROMETHEUS_PORT:1234}
EOT
}
generateTelemetrySo11y() {
cat <<EOT >> ${var_application_file}
telemetry:
so11y:
prometheusExporterEnabled: \${SW_TELEMETRY_SO11Y_PROMETHEUS_ENABLED:true}
prometheusExporterHost: \${SW_TELEMETRY_PROMETHEUS_HOST:0.0.0.0}
prometheusExporterPort: \${SW_TELEMETRY_PROMETHEUS_PORT:1234}
EOT
}
validateVariables() {
name=$1; value=$2; list=$3
valid=false
for c in ${list} ; do
if [[ "$c" = "$value" ]]; then
valid=true
fi
done
if ! ${valid}; then
echo "Error: $name=$value please specify $name = $list"
exit 1
fi
}
generateApplicationYaml() {
# validate
[[ -z "$SW_CLUSTER" ]] && [[ -z "$SW_STORAGE" ]] && [[ -z "$SW_CONFIGURATION" ]] \
&& [[ -z "$SW_TELEMETRY" ]] \
&& { echo "Error: please specify \"SW_CLUSTER\" \"SW_STORAGE\" \"SW_CONFIGURATION\" \"SW_TELEMETRY\""; exit 1; }
validateVariables "SW_CLUSTER" "$SW_CLUSTER" "standalone zookeeper kubernetes consul etcd nacos"
validateVariables "SW_STORAGE" "$SW_STORAGE" "elasticsearch h2 mysql"
validateVariables "SW_CONFIGURATION" "$SW_CONFIGURATION" "none apollo nacos zookeeper"
validateVariables "SW_TELEMETRY" "$SW_TELEMETRY" "none prometheus so11y"
echo "# Generated by 'docker-entrypoint.sh'" > ${var_application_file}
#generate cluster
case ${SW_CLUSTER} in
standalone) generateClusterStandalone;;
zookeeper) generateClusterZookeeper;;
kubernetes) generateClusterK8s;;
consul) generateClusterConsul;;
etcd) generateClusterEtcd;;
nacos) generateClusterNacos;;
esac
#generate core
cat <<EOT >> ${var_application_file}
core:
default:
# Mixed: Receive agent data, Level 1 aggregate, Level 2 aggregate
# Receiver: Receive agent data, Level 1 aggregate
# Aggregator: Level 2 aggregate
role: \${SW_CORE_ROLE:Mixed} # Mixed/Receiver/Aggregator
restHost: \${SW_CORE_REST_HOST:0.0.0.0}
restPort: \${SW_CORE_REST_PORT:12800}
restContextPath: \${SW_CORE_REST_CONTEXT_PATH:/}
gRPCHost: \${SW_CORE_GRPC_HOST:0.0.0.0}
gRPCPort: \${SW_CORE_GRPC_PORT:11800}
downsampling:
- Hour
- Day
- Month
# Set a timeout on metrics data. After the timeout has expired, the metrics data will automatically be deleted.
enableDataKeeperExecutor: \${SW_CORE_ENABLE_DATA_KEEPER_EXECUTOR:true} # Turn it off then automatically metrics data delete will be close.
dataKeeperExecutePeriod: \${SW_CORE_DATA_KEEPER_EXECUTE_PERIOD:5} # How often the data keeper executor runs periodically, unit is minute
recordDataTTL: \${SW_CORE_RECORD_DATA_TTL:90} # Unit is minute
minuteMetricsDataTTL: \${SW_CORE_MINUTE_METRIC_DATA_TTL:90} # Unit is minute
hourMetricsDataTTL: \${SW_CORE_HOUR_METRIC_DATA_TTL:36} # Unit is hour
dayMetricsDataTTL: \${SW_CORE_DAY_METRIC_DATA_TTL:45} # Unit is day
monthMetricsDataTTL: \${SW_CORE_MONTH_METRIC_DATA_TTL:18} # Unit is month
# Cache metric data for 1 minute to reduce database queries, and if the OAP cluster changes within that minute,
# the metrics may not be accurate within that minute.
enableDatabaseSession: \${SW_CORE_ENABLE_DATABASE_SESSION:true}
topNReportPeriod: \${SW_CORE_TOPN_REPORT_PERIOD:10}
EOT
# generate storage
case ${SW_STORAGE} in
elasticsearch) generateStorageElastisearch;;
h2) generateStorageH2;;
mysql) generateStorageMySQL;;
esac
cat <<EOT >> ${var_application_file}
receiver-sharing-server:
default:
restHost: \${SW_RECEIVER_SHARING_REST_HOST:0.0.0.0}
restPort: \${SW_RECEIVER_SHARING_REST_PORT:0}
restContextPath: \${SW_RECEIVER_SHARING_REST_CONTEXT_PATH:/}
gRPCHost: \${SW_RECEIVER_SHARING_GRPC_HOST:0.0.0.0}
gRPCPort: \${SW_RECEIVER_SHARING_GRPC_PORT:0}
maxConcurrentCallsPerConnection: \${SW_RECEIVER_SHARING_MAX_CONCURRENT_CALL:0}
maxMessageSize: \${SW_RECEIVER_SHARING_MAX_MESSAGE_SIZE:0}
gRPCThreadPoolSize: \${SW_RECEIVER_SHARING_GRPC_THREAD_POOL_SIZE:0}
gRPCThreadPoolQueueSize: \${SW_RECEIVER_SHARING_GRPC_THREAD_POOL_QUEUE_SIZE:0}
receiver-register:
default:
receiver-trace:
default:
bufferPath: \${SW_RECEIVER_BUFFER_PATH:../trace-buffer/} # Path to trace buffer files, suggest to use absolute path
bufferOffsetMaxFileSize: \${SW_RECEIVER_BUFFER_OFFSET_MAX_FILE_SIZE:100} # Unit is MB
bufferDataMaxFileSize: \${SW_RECEIVER_BUFFER_DATA_MAX_FILE_SIZE:500} # Unit is MB
bufferFileCleanWhenRestart: \${SW_RECEIVER_BUFFER_FILE_CLEAN_WHEN_RESTART:false}
sampleRate: \${SW_TRACE_SAMPLE_RATE:10000} # The sample rate precision is 1/10000. 10000 means 100% sample in default.
slowDBAccessThreshold: \${SW_SLOW_DB_THRESHOLD:default:200,mongodb:100} # The slow database access thresholds. Unit ms.
receiver-jvm:
default:
receiver-clr:
default:
receiver-so11y:
default:
service-mesh:
default:
bufferPath: \${SW_SERVICE_MESH_BUFFER_PATH:../mesh-buffer/} # Path to trace buffer files, suggest to use absolute path
bufferOffsetMaxFileSize: \${SW_SERVICE_MESH_OFFSET_MAX_FILE_SIZE:100} # Unit is MB
bufferDataMaxFileSize: \${SW_SERVICE_MESH_BUFFER_DATA_MAX_FILE_SIZE:500} # Unit is MB
bufferFileCleanWhenRestart: \${SW_SERVICE_MESH_BUFFER_FILE_CLEAN_WHEN_RESTART:false}
istio-telemetry:
default:
query:
graphql:
path: \${SW_QUERY_GRAPHQL_PATH:/graphql}
alarm:
default:
EOT
# generate telemetry
case ${SW_TELEMETRY} in
none) generateTelemetryNone;;
prometheus) generateTelemetryPrometheus;;
so11y) generateTelemetrySo11y;;
esac
# generate configuration
case ${SW_CONFIGURATION} in
none) generateConfigurationNone;;
apollo) generateConfigurationApollo;;
nacos) generateConfigurationNacos;;
zookeeper) generateConfigurationZookeeper;;
consul) generateConfigurationConsul;;
esac
cat <<EOT >> ${var_application_file}
envoy-metric:
default:
EOT
if [[ "$SW_ENVOY_ALS_ENABLED" = "true" ]]; then
cat <<EOT >> ${var_application_file}
alsHTTPAnalysis: \${SW_ENVOY_METRIC_ALS_HTTP_ANALYSIS:k8s-mesh}
EOT
fi
if [[ "$SW_RECEIVER_ZIPKIN_ENABLED" = "true" ]]; then
cat <<EOT >> ${var_application_file}
receiver_zipkin:
default:
host: \${SW_RECEIVER_ZIPKIN_HOST:0.0.0.0}
port: \${SW_RECEIVER_ZIPKIN_PORT:9411}
contextPath: \${SW_RECEIVER_ZIPKIN_CONTEXT_PATH:/}
EOT
fi
if [[ "$SW_RECEIVER_JAEGER_ENABLED" = "true" ]]; then
cat <<EOT >> ${var_application_file}
receiver_jaeger:
default:
gRPCHost: \${SW_RECEIVER_JAEGER_HOST:0.0.0.0}
gRPCPort: \${SW_RECEIVER_JAEGER_PORT:14250}
EOT
fi
if [[ "$SW_TELEMETRY" = "so11y" ]]; then
cat <<EOT >> ${var_application_file}
receiver-so11y:
default:
EOT
fi
if [[ "$SW_EXPORTER_ENABLED" = "true" ]]; then
cat <<EOT >> ${var_application_file}
exporter:
grpc:
targetHost: \${SW_EXPORTER_GRPC_HOST:127.0.0.1}
targetPort: \${SW_EXPORTER_GRPC_PORT:9870}
EOT
fi
}
echo "[Entrypoint] Apache SkyWalking Docker Image"
SW_CLUSTER=${SW_CLUSTER:-standalone}
SW_STORAGE=${SW_STORAGE:-h2}
SW_CONFIGURATION=${SW_CONFIGURATION:-none}
SW_TELEMETRY=${SW_TELEMETRY:-none}
EXT_LIB_DIR=/skywalking/ext-libs
EXT_CONFIG_DIR=/skywalking/ext-config
# If user wants to override application.yml, the one generated by docker-entrypoint.sh should be ignored.
[[ -f ${EXT_CONFIG_DIR}/application.yml ]] && SW_L0AD_CONFIG_FILE_FROM_VOLUME=true
# Override configuration files
cp -vfR ${EXT_CONFIG_DIR}/ config/
if [[ -z "$SW_L0AD_CONFIG_FILE_FROM_VOLUME" ]] || [[ "$SW_L0AD_CONFIG_FILE_FROM_VOLUME" != "true" ]]; then
generateApplicationYaml
echo "Generated application.yml"
echo "-------------------------"
cat ${var_application_file}
echo "-------------------------"
fi
CLASSPATH="config:$CLASSPATH"
for i in oap-libs/*.jar
do
CLASSPATH="$i:$CLASSPATH"
done
for i in ${EXT_LIB_DIR}/*.jar
do
CLASSPATH="$i:$CLASSPATH"
done
set -ex
exec java -XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap \
${JAVA_OPTS} -classpath ${CLASSPATH} org.apache.skywalking.oap.server.starter.OAPServerStartUp "$@"