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install_app_metrics.sh
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install_app_metrics.sh
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#!/bin/bash
#
# This script configures metrics for all nodes
# Waits for EMR provisioning to become successful.
#
while [[ $(sed '/localInstance {/{:1; /}/!{N; b1}; /nodeProvision/p}; d' /emr/instance-controller/lib/info/job-flow-state.txt | sed '/nodeProvisionCheckinRecord {/{:1; /}/!{N; b1}; /status/p}; d' | awk '/SUCCESSFUL/' | xargs) != "status: SUCCESSFUL" ]];
do
sleep 1
done
#
# Now the EMR cluster is ready.
#
# Configures DataNode metrics
if sudo systemctl status hadoop-hdfs-datanode --no-pager; then
sudo aws s3 cp s3://my-s3-bucket/datanode-metrics.yaml /etc/emr-cluster-metrics/adot-java-agent/conf/hadoop_hdfs_datanode_jmx_mapping.yaml
sudo sed -i -e "s/REPLACE_ME_INSTANCEID/$(ec2-metadata -i | cut -d " " -f 2)/g" /etc/emr-cluster-metrics/adot-java-agent/conf/hadoop_hdfs_datanode_jmx_mapping.yaml
sudo sed -i -e "s/REPLACE_ME_CLUSTERID/$(jq -r ".jobFlowId" < /emr/instance-controller/lib/info/extraInstanceData.json)/g" /etc/emr-cluster-metrics/adot-java-agent/conf/hadoop_hdfs_datanode_jmx_mapping.yaml
sudo systemctl stop hadoop-hdfs-datanode
sudo systemctl start hadoop-hdfs-datanode
fi
# Configures NameNode metrics
if sudo systemctl status hadoop-hdfs-namenode --no-pager; then
sudo aws s3 cp s3://my-s3-bucket/namenode-metrics.yaml /etc/emr-cluster-metrics/adot-java-agent/conf/hadoop_hdfs_namenode_jmx_mapping.yaml
sudo sed -i -e "s/REPLACE_ME_INSTANCEID/$(ec2-metadata -i | cut -d " " -f 2)/g" /etc/emr-cluster-metrics/adot-java-agent/conf/hadoop_hdfs_namenode_jmx_mapping.yaml
sudo sed -i -e "s/REPLACE_ME_CLUSTERID/$(jq -r ".jobFlowId" < /emr/instance-controller/lib/info/extraInstanceData.json)/g" /etc/emr-cluster-metrics/adot-java-agent/conf/hadoop_hdfs_namenode_jmx_mapping.yaml
sudo systemctl stop hadoop-hdfs-namenode
sudo systemctl start hadoop-hdfs-namenode
fi
# Configures NodeManager metrics
if sudo systemctl status hadoop-yarn-nodemanager --no-pager; then
sudo aws s3 cp s3://my-s3-bucket/nodemanager-metrics.yaml /etc/emr-cluster-metrics/adot-java-agent/conf/hadoop_yarn_nodemanager_jmx_mapping.yaml
sudo sed -i -e "s/REPLACE_ME_INSTANCEID/$(ec2-metadata -i | cut -d " " -f 2)/g" /etc/emr-cluster-metrics/adot-java-agent/conf/hadoop_yarn_nodemanager_jmx_mapping.yaml
sudo sed -i -e "s/REPLACE_ME_CLUSTERID/$(jq -r ".jobFlowId" < /emr/instance-controller/lib/info/extraInstanceData.json)/g" /etc/emr-cluster-metrics/adot-java-agent/conf/hadoop_yarn_nodemanager_jmx_mapping.yaml
sudo systemctl stop hadoop-yarn-nodemanager
sudo systemctl start hadoop-yarn-nodemanager
fi
# Configures ResourceManager metrics
if sudo systemctl status hadoop-yarn-resourcemanager --no-pager; then
sudo aws s3 cp s3://my-s3-bucket/resourcemanager-metrics.yaml /etc/emr-cluster-metrics/adot-java-agent/conf/hadoop_yarn_resourcemanager_jmx_mapping.yaml
sudo sed -i -e "s/REPLACE_ME_INSTANCEID/$(ec2-metadata -i | cut -d " " -f 2)/g" /etc/emr-cluster-metrics/adot-java-agent/conf/hadoop_yarn_resourcemanager_jmx_mapping.yaml
sudo sed -i -e "s/REPLACE_ME_CLUSTERID/$(jq -r ".jobFlowId" < /emr/instance-controller/lib/info/extraInstanceData.json)/g" /etc/emr-cluster-metrics/adot-java-agent/conf/hadoop_yarn_resourcemanager_jmx_mapping.yaml
sudo systemctl stop hadoop-yarn-resourcemanager
sudo systemctl start hadoop-yarn-resourcemanager
fi
exit 0