(ns my-infra.template
(:require [cuerdas.core :as str]))
(defn process-lines [cb s]
((comp #(str/join "\n" %)
cb
#(str/split % "\n"))
s))
(defn remove-margin
([s] (remove-margin s "|"))
([s margin-indicator] (process-lines (fn [it]
(eduction (map str/trim)
(map #(str/trim % margin-indicator))
it))
s)))
(defmacro demargin [str]
(if (and (seq? str) (= (first str) 'str))
(cons (first str)
(map (fn [it]
(cond
(string? it) (remove-margin it)
true it))
(rest str)))
(remove-margin str)))
(demargin "cluster_name: ${CassandraCluster}
|num_tokens: 256
|hinted_handoff_enabled: true
|max_hint_window_in_ms: 10800000
|hinted_handoff_throttle_in_kb: 1024
|max_hints_delivery_threads: 2
|authenticator: AllowAllAuthenticator
|authorizer: AllowAllAuthorizer
|permissions_validity_in_ms: 2000
|partitioner: org.apache.cassandra.dht.Murmur3Partitioner
|data_file_directories:
| - /var/lib/cassandra/data
|commitlog_directory: /var/lib/cassandra/commitlog
|disk_failure_policy: stop
|key_cache_size_in_mb:
|key_cache_save_period: 14400
|row_cache_size_in_mb: 0
|row_cache_save_period: 0
|saved_caches_directory: /var/lib/cassandra/saved_caches
|commitlog_sync: periodic
|commitlog_sync_period_in_ms: 10000
|commitlog_segment_size_in_mb: 32
|seed_provider:
| - class_name: org.apache.cassandra.locator.SimpleSeedProvider
| parameters:
| - seeds: cassandra-seed-1.${AWS::StackName}.${AWS::Region}.cjconfig,cassandra-seed-2.${AWS::StackName}.${AWS::Region}.cjconfig
|concurrent_reads: 32
|concurrent_writes: 32
|trickle_fsync: false
|trickle_fsync_interval_in_kb: 10240
|storage_port: 7000
|ssl_storage_port: 7001
|listen_address: ${CassandraSeedNetworkInterfaceAz1.PrimaryPrivateIpAddress}
|start_native_transport: true
|native_transport_port: 9042
|start_rpc: true
|rpc_address: ${CassandraSeedNetworkInterfaceAz1.PrimaryPrivateIpAddress}
|rpc_port: 9160
|rpc_keepalive: true
|rpc_server_type: sync
|thrift_framed_transport_size_in_mb: 15
|incremental_backups: false
|snapshot_before_compaction: false
|auto_snapshot: true
|tombstone_warn_threshold: 1000
|tombstone_failure_threshold: 100000
|column_index_size_in_kb: 64
|compaction_throughput_mb_per_sec: 16
|read_request_timeout_in_ms: 5000
|range_request_timeout_in_ms: 10000
|write_request_timeout_in_ms: 2000
|cas_contention_timeout_in_ms: 1000
|truncate_request_timeout_in_ms: 60000
|request_timeout_in_ms: 10000
|cross_node_timeout: false
|endpoint_snitch: Ec2Snitch
|dynamic_snitch_update_interval_in_ms: 100
|dynamic_snitch_reset_interval_in_ms: 600000
|dynamic_snitch_badness_threshold: 0.1
|request_scheduler: org.apache.cassandra.scheduler.NoScheduler
|server_encryption_options:
| internode_encryption: none
| keystore: conf/.keystore
| keystore_password: cassandra
| truststore: conf/.truststore
| truststore_password: cassandra
|client_encryption_options:
| enabled: false
| keystore: conf/.keystore
| keystore_password: cassandra
|internode_compression: all
|inter_dc_tcp_nodelay: false
|hints_directory: /var/lib/cassandra/hints
|auto_bootstrap: false")
#_
(drop-while #(and (not= % \|)
(while) " |") )
(defn cassandra-seed-instance [name dns-resource network-interface-id key-pair other-seed]
{"Type" "AWS::EC2::Instance",
"DependsOn" dns-resource,
"Properties"
{"Tags" [{"Key" "Name", "Value" name}],
"NetworkInterfaces" [{"DeviceIndex" 0,"NetworkInterfaceId" network-interface-id}],
"InstanceType" {"Ref" "InstanceType"},
"KeyName" key-pair,
"ImageId" {"Fn::FindInMap" ["AMI" {"Ref" "AWS::Region"} "ami"]},
"BlockDeviceMappings" [{"DeviceName" "/dev/sdb","Ebs" {"VolumeSize" 2048,"VolumeType" "gp2","DeleteOnTermination" false}}
{"DeviceName" "/dev/sdg","Ebs" {"VolumeSize" 512,"VolumeType" "gp2","DeleteOnTermination" false}}],
"UserData" {"Fn::Base64"
{"Fn::Sub"
(demargin
(str "#!/usr/bin/env bash\nset -evx -u -o pipefail\n\nyum update -y\n\n/opt/aws/bin/cfn-init -v \\
| --stack=${AWS::StackId} \\
| --resource=" name " \\
| --region=${AWS::Region} \\
|
| -c cassandra_setup\n\nsleep 20\nservice cassandra status\nCASS_EXIT=$?\n\n/opt/aws/bin/cfn-signal \\
| --stack=${AWS::StackId} \\
| --resource=" name "\\
| --region=${AWS::Region} \\
| --exit-code=$CASS_EXIT \\
| --reason='" name " initialization complete'"))}}},
"CreationPolicy" {"ResourceSignal" {"Timeout" "PT15M"}},
"Metadata" {"AWS::CloudFormation::Init"
{"configSets"
{"cassandra_setup" ["configure_yum" "install_packages" "configure_hosts" "configure_hard_drive" "configure_cassandra"]},
"configure_yum" {"files"
{"/etc/yum.repos.d/cassandra.repo"
{"content"
"[cassandra]\nname=Apache Cassandra\nbaseurl=https://www.apache.org/dist/cassandra/redhat/311x/\ngpgcheck=1\nrepo_gpgcheck=1\ngpgkey=https://www.apache.org/dist/cassandra/KEYS\n"}}},
"install_packages" {"commands"
{"01-install-java-8" {"command" "yum install -y java-1.8.0"},
"02-remove-java-7" {"command" "yum remove -y java-1.7.0-openjdk"},
"03-install-cassandra" {"command" "yum install -y cassandra"}}},
"configure_hosts" {"commands"
{"01-create-hosts-entry-on-boot" {"command" "echo \"`curl -s http://169.254.169.254/latest/meta-data/local-ipv4` `hostname`\" >> /etc/hosts","test" "test ! -f .create-hosts-entry-semaphore"},
"02-signal_startup_complete" {"command" "touch .create-hosts-entry-semaphore"}}},
"configure_hard_drive" {"commands"
{"00-install-xfs-programs" {"command" "yum install -y xfsprogs"},
"01-create-file-system-on-ebs-volume-1" {"command" "mkfs.xfs -s size=4096 /dev/sdb"},
"01-create-file-system-on-ebs-volume-2" {"command" "mkfs.xfs -s size=4096 /dev/sdg"},
"02-setup-fstab-1" {"command" "echo \"/dev/sdb /var/lib/cassandra/data xfs defaults,nofail 0 0\" >> /etc/fstab"},
"02-setup-fstab-2" {"command" "echo \"/dev/sdg /var/lib/cassandra/commitlog xfs defaults,nofail 0 0\" >> /etc/fstab"},
"03-mount-all" {"command" "mount -a"}}},
"configure_cassandra" {"files"
{"/etc/cassandra/default.conf/cassandra.yaml"
{"content" {"Fn::Sub" (demargin (str "TODO"))},
"mode" 420,
"owner" "cassandra",
"group" "cassandra"}},
"commands" {"00-chown-for-cassandra-data" {"command" "chown -R cassandra:cassandra /var/lib/cassandra/data"},
"01-chown-for-cassandra-commitlog" {"command" "chown -R cassandra:cassandra /var/lib/cassandra/commitlog"}},
"services" {"sysvinit" {"cassandra" {"enabled" true, "ensureRunning" true}}}}}}})
(def cassandra-seed-az-1
{:instance (cassandra-seed-instance "CassandraSeedAz1"
"CassandraSeedAz1DNS"
{"Ref" "CassandraSeedNetworkInterfaceAz1"}
{"Ref" "Ec2KeyPair"}
"CassandraSeedAz2")
:dns
{"Type" "AWS::Route53::RecordSet",
"Properties"
{"HostedZoneId" {"Ref" "CassandraHostedZone"},
"Comment" "Cassandra Seed Az1 Record",
"Name"
{"Fn::Sub"
"cassandra-seed-1.${AWS::StackName}.${AWS::Region}.cjconfig"},
"Type" "A",
"TTL" 30,
"ResourceRecords"
[{"Fn::GetAtt"
["CassandraSeedNetworkInterfaceAz1"
"PrimaryPrivateIpAddress"]}]}}})
(def cassandra-seed-az-2
{:instance
{"Type" "AWS::EC2::Instance",
"DependsOn" "CassandraSeedAz2DNS",
"Properties"
{"NetworkInterfaces"
[{"DeviceIndex" 0,"NetworkInterfaceId" {"Ref" "CassandraSeedNetworkInterfaceAz2"}}],
"InstanceType" {"Ref" "InstanceType"},
"KeyName" {"Ref" "Ec2KeyPair"},
"ImageId" {"Fn::FindInMap" ["AMI" {"Ref" "AWS::Region"} "ami"]},
"BlockDeviceMappings" [{"DeviceName" "/dev/sdb","Ebs" {"VolumeSize" 2048,"VolumeType" "gp2","DeleteOnTermination" false}}
{"DeviceName" "/dev/sdg","Ebs" {"VolumeSize" 512,"VolumeType" "gp2","DeleteOnTermination" false}}],
"Tags" [{"Key" "Name", "Value" "CassandraSeedAz2"}],
"UserData" {"Fn::Base64" {"Fn::Sub" "#!/usr/bin/env bash\nset -evx -u -o pipefail\n\nyum update -y\n\n/opt/aws/bin/cfn-init -v \\\n --stack=${AWS::StackId} \\\n --resource=CassandraSeedAz2 \\\n --region=${AWS::Region} \\\n -c cassandra_setup\n\nsleep 20\nservice cassandra status\nCASS_EXIT=$?\n\n/opt/aws/bin/cfn-signal \\\n --stack=${AWS::StackId} \\\n --resource=CassandraSeedAz2 \\\n --region=${AWS::Region} \\\n --exit-code=$CASS_EXIT \\\n --reason='CassandraSeedAz2 initialization complete'\n"}}},
"CreationPolicy" {"ResourceSignal" {"Timeout" "PT15M"}},
"Metadata" {"AWS::CloudFormation::Init"
{"configSets" {"cassandra_setup" ["configure_yum" "install_packages" "configure_hosts" "configure_hard_drive" "configure_cassandra"]},
"configure_yum" {"files"
{"/etc/yum.repos.d/cassandra.repo" {"content" "[cassandra]\nname=Apache Cassandra\nbaseurl=https://www.apache.org/dist/cassandra/redhat/311x/\ngpgcheck=1\nrepo_gpgcheck=1\ngpgkey=https://www.apache.org/dist/cassandra/KEYS\n"}}},
"install_packages" {"commands"
{"01-install-java-8" {"command" "yum install -y java-1.8.0"},
"02-remove-java-7" {"command" "yum remove -y java-1.7.0-openjdk"},
"03-install-cassandra" {"command" "yum install -y cassandra"}}},
"configure_hosts" {"commands"
{"01-create-hosts-entry-on-boot" {"command" "echo \"`curl -s http://169.254.169.254/latest/meta-data/local-ipv4` `hostname`\" >> /etc/hosts","test" "test ! -f .create-hosts-entry-semaphore"},
"02-signal_startup_complete" {"command" "touch .create-hosts-entry-semaphore"}}},
"configure_hard_drive" {"commands"
{"00-install-xfs-programs" {"command" "yum install -y xfsprogs"},
"01-create-file-system-on-ebs-volume-1" {"command" "mkfs.xfs -s size=4096 /dev/sdb"},
"01-create-file-system-on-ebs-volume-2" {"command" "mkfs.xfs -s size=4096 /dev/sdg"},
"02-setup-fstab-1" {"command" "echo \"/dev/sdb /var/lib/cassandra/data xfs defaults,nofail 0 0\" >> /etc/fstab"},
"02-setup-fstab-2" {"command" "echo \"/dev/sdg /var/lib/cassandra/commitlog xfs defaults,nofail 0 0\" >> /etc/fstab"},
"03-mount-all" {"command" "mount -a"}}},
"configure_cassandra" {"files"
{"/etc/cassandra/default.conf/cassandra.yaml"
{"content"
{"Fn::Sub"
"cluster_name: ${CassandraCluster}\nnum_tokens: 256\nhinted_handoff_enabled: true\nmax_hint_window_in_ms: 10800000\nhinted_handoff_throttle_in_kb: 1024\nmax_hints_delivery_threads: 2\nauthenticator: AllowAllAuthenticator\nauthorizer: AllowAllAuthorizer\npermissions_validity_in_ms: 2000\npartitioner: org.apache.cassandra.dht.Murmur3Partitioner\ndata_file_directories:\n - /var/lib/cassandra/data\ncommitlog_directory: /var/lib/cassandra/commitlog\ndisk_failure_policy: stop\nkey_cache_size_in_mb:\nkey_cache_save_period: 14400\nrow_cache_size_in_mb: 0\nrow_cache_save_period: 0\nsaved_caches_directory: /var/lib/cassandra/saved_caches\ncommitlog_sync: periodic\ncommitlog_sync_period_in_ms: 10000\ncommitlog_segment_size_in_mb: 32\nseed_provider:\n - class_name: org.apache.cassandra.locator.SimpleSeedProvider\n parameters:\n - seeds: cassandra-seed-1.${AWS::StackName}.${AWS::Region}.cjconfig,cassandra-seed-2.${AWS::StackName}.${AWS::Region}.cjconfig\nconcurrent_reads: 32\nconcurrent_writes: 32\ntrickle_fsync: false\ntrickle_fsync_interval_in_kb: 10240\nstorage_port: 7000\nssl_storage_port: 7001\nlisten_address: ${CassandraSeedNetworkInterfaceAz2.PrimaryPrivateIpAddress}\nstart_native_transport: true\nnative_transport_port: 9042\nstart_rpc: true\nrpc_address: ${CassandraSeedNetworkInterfaceAz2.PrimaryPrivateIpAddress}\nrpc_port: 9160\nrpc_keepalive: true\nrpc_server_type: sync\nthrift_framed_transport_size_in_mb: 15\nincremental_backups: false\nsnapshot_before_compaction: false\nauto_snapshot: true\ntombstone_warn_threshold: 1000\ntombstone_failure_threshold: 100000\ncolumn_index_size_in_kb: 64\ncompaction_throughput_mb_per_sec: 16\nread_request_timeout_in_ms: 5000\nrange_request_timeout_in_ms: 10000\nwrite_request_timeout_in_ms: 2000\ncas_contention_timeout_in_ms: 1000\ntruncate_request_timeout_in_ms: 60000\nrequest_timeout_in_ms: 10000\ncross_node_timeout: false\nendpoint_snitch: Ec2Snitch\ndynamic_snitch_update_interval_in_ms: 100\ndynamic_snitch_reset_interval_in_ms: 600000\ndynamic_snitch_badness_threshold: 0.1\nrequest_scheduler: org.apache.cassandra.scheduler.NoScheduler\nserver_encryption_options:\n internode_encryption: none\n keystore: conf/.keystore\n keystore_password: cassandra\n truststore: conf/.truststore\n truststore_password: cassandra\nclient_encryption_options:\n enabled: false\n keystore: conf/.keystore\n keystore_password: cassandra\ninternode_compression: all\ninter_dc_tcp_nodelay: false\nhints_directory: /var/lib/cassandra/hints\nauto_bootstrap: false\n"},
"mode" 420,"owner" "cassandra","group" "cassandra"}},
"commands"
{"00-chown-for-cassandra-data" {"command" "chown -R cassandra:cassandra /var/lib/cassandra/data"},
"01-chown-for-cassandra-commitlog" {"command" "chown -R cassandra:cassandra /var/lib/cassandra/commitlog"}},
"services" {"sysvinit" {"cassandra" {"enabled" true, "ensureRunning" true}}}}}}}
:dns
{"Type" "AWS::Route53::RecordSet",
"Properties"
{"HostedZoneId" {"Ref" "CassandraHostedZone"},
"Comment" "Cassandra Seed Az2 Record",
"Name" {"Fn::Sub" "cassandra-seed-2.${AWS::StackName}.${AWS::Region}.cjconfig"},
"Type" "A",
"TTL" 30,
"ResourceRecords" [{"Fn::GetAtt" ["CassandraSeedNetworkInterfaceAz2" "PrimaryPrivateIpAddress"]}]}}})
(def template
{"AWSTemplateFormatVersion" "2010-09-09",
"Description" "Insights Server Cassandra Database",
"Parameters"
{"Subnets" {"Type" "List<String>","Description" "The subnets where Cassandra nodes live"},
"DefaultSecurityGroup" {"Type" "String","MinLength" 1,"Description" "Security group for general access within VPC"},
"DatabaseSecurityGroup" {"Type" "String","MinLength" 1,"Description" "Database-allowed access"},
"Ec2KeyPair" {"Type" "String","Default" "insights","MinLength" 1,"MaxLength" 64,"AllowedPattern" "[-_ a-zA-Z0-9]*","ConstraintDescription" "can contain only alphanumeric characters, spaces, dashes and underscores.","Description" "Name of an EC2 KeyPair to enable SSH access to EC2 instances"},
"CassandraCluster" {"Type" "String","MinLength" 1,"Description" "The cassandra cluster name"},
"InstanceType" {"Type" "String","Default" "m4.2xlarge","Description" "Instance type"},
"Vpc" {"Type" "String","Description" "The VPC the cluster will be running in"},
"ClusterSize" {"Type" "Number","MinValue" 1,"Default" 6,"Description" "The number of nodes (in addition to the 2 seed nodes)"}},
"Resources"
{"CassandraSeedAz1" (:instance cassandra-seed-az-1,)
"CassandraSeedAz1DNS" (:dns cassandra-seed-az-1),
"CassandraSeedAz2" (:instance cassandra-seed-az-2,)
"CassandraSeedAz2DNS" (:dns cassandra-seed-az-2),
"CassandraLaunchConfiguration"
{"Type" "AWS::AutoScaling::LaunchConfiguration",
"Properties"
{"InstanceType" {"Ref" "InstanceType"},
"KeyName" {"Ref" "Ec2KeyPair"},
"ImageId" {"Fn::FindInMap" ["AMI" {"Ref" "AWS::Region"} "ami"]},
"SecurityGroups"
[{"Ref" "DefaultSecurityGroup"} {"Ref" "DatabaseSecurityGroup"}],
"BlockDeviceMappings"
[{"DeviceName" "/dev/sdb",
"Ebs"
{"VolumeSize" 2048,
"VolumeType" "gp2",
"DeleteOnTermination" false}}
{"DeviceName" "/dev/sdg",
"Ebs"
{"VolumeSize" 512,
"VolumeType" "gp2",
"DeleteOnTermination" false}}],
"UserData"
{"Fn::Base64"
{"Fn::Sub"
"#! /usr/bin/env bash\nset -evx\n\nyum update -y\n\n# start instance initialization\n/opt/aws/bin/cfn-init -v \\\n --stack=${AWS::StackId} \\\n --resource=CassandraLaunchConfiguration \\\n --region=${AWS::Region} \\\n -c cassandra_setup\n\nservice cassandra start\nsleep 20\nservice cassandra status\nCASS_EXIT=$?\n\n# all is well so signal success\n/opt/aws/bin/cfn-signal \\\n --stack=${AWS::StackId} \\\n --resource=CassandraAutoScalingGroup \\\n --region=${AWS::Region} \\\n --exit-code=$CASS_EXIT \\\n --reason='CassandraNodeA initialization complete'\n"}}},
"CreationPolicy" {"ResourceSignal" {"Timeout" "PT15M"}},
"Metadata"
{"AWS::CloudFormation::Init"
{"configSets"
{"cassandra_setup"
["configure_yum"
"install_packages"
"configure_hosts"
"configure_hard_drive"
"configure_cassandra"]},
"configure_yum"
{"files"
{"/etc/yum.repos.d/cassandra.repo"
{"content"
"[cassandra]\nname=Apache Cassandra\nbaseurl=https://www.apache.org/dist/cassandra/redhat/311x/\ngpgcheck=1\nrepo_gpgcheck=1\ngpgkey=https://www.apache.org/dist/cassandra/KEYS\n"}}},
"install_packages"
{"commands"
{"01-install-java-8" {"command" "yum install -y java-1.8.0"},
"02-remove-java-7"
{"command" "yum remove -y java-1.7.0-openjdk"},
"03-install-cassandra" {"command" "yum install -y cassandra"}}},
"configure_hosts"
{"commands"
{"01-create-hosts-entry-on-boot"
{"command"
"echo \"`curl -s http://169.254.169.254/latest/meta-data/local-ipv4` `hostname`\" >> /etc/hosts",
"test" "test ! -f .create-hosts-entry-semaphore"},
"02-signal_startup_complete"
{"command" "touch .create-hosts-entry-semaphore"}}},
"configure_hard_drive"
{"commands"
{"00-install-xfs-programs" {"command" "yum install -y xfsprogs"},
"01-create-file-system-on-ebs-volume-1"
{"command" "mkfs.xfs -s size=4096 /dev/sdb"},
"01-create-file-system-on-ebs-volume-2"
{"command" "mkfs.xfs -s size=4096 /dev/sdg"},
"02-setup-fstab-1"
{"command"
"echo \"/dev/sdb /var/lib/cassandra/data xfs defaults,nofail 0 0\" >> /etc/fstab"},
"02-setup-fstab-2"
{"command"
"echo \"/dev/sdg /var/lib/cassandra/commitlog xfs defaults,nofail 0 0\" >> /etc/fstab"},
"03-mount-all" {"command" "mount -a"}}},
"configure_cassandra"
{"files"
{"/etc/cassandra/default.conf/cassandra.yaml"
{"content"
{"Fn::Sub"
"cluster_name: ${CassandraCluster}\nnum_tokens: 256\nhinted_handoff_enabled: true\nmax_hint_window_in_ms: 10800000\nhinted_handoff_throttle_in_kb: 1024\nmax_hints_delivery_threads: 2\nauthenticator: AllowAllAuthenticator\nauthorizer: AllowAllAuthorizer\npermissions_validity_in_ms: 2000\npartitioner: org.apache.cassandra.dht.Murmur3Partitioner\ndata_file_directories:\n - /var/lib/cassandra/data\ncommitlog_directory: /var/lib/cassandra/commitlog\ndisk_failure_policy: stop\nkey_cache_size_in_mb:\nkey_cache_save_period: 14400\nrow_cache_size_in_mb: 0\nrow_cache_save_period: 0\nsaved_caches_directory: /var/lib/cassandra/saved_caches\ncommitlog_sync: periodic\ncommitlog_sync_period_in_ms: 10000\ncommitlog_segment_size_in_mb: 32\nseed_provider:\n - class_name: org.apache.cassandra.locator.SimpleSeedProvider\n parameters:\n - seeds: cassandra-seed-1.${AWS::StackName}.${AWS::Region}.cjconfig,cassandra-seed-2.${AWS::StackName}.${AWS::Region}.cjconfig\nconcurrent_reads: 32\nconcurrent_writes: 32\ntrickle_fsync: false\ntrickle_fsync_interval_in_kb: 10240\nstorage_port: 7000\nssl_storage_port: 7001\nlisten_address: __NODE_IP\nstart_native_transport: true\nnative_transport_port: 9042\nstart_rpc: true\nrpc_address: __NODE_IP\nrpc_port: 9160\nrpc_keepalive: true\nrpc_server_type: sync\nthrift_framed_transport_size_in_mb: 15\nincremental_backups: false\nsnapshot_before_compaction: false\nauto_snapshot: true\ntombstone_warn_threshold: 1000\ntombstone_failure_threshold: 100000\ncolumn_index_size_in_kb: 64\ncompaction_throughput_mb_per_sec: 16\nread_request_timeout_in_ms: 5000\nrange_request_timeout_in_ms: 10000\nwrite_request_timeout_in_ms: 2000\ncas_contention_timeout_in_ms: 1000\ntruncate_request_timeout_in_ms: 60000\nrequest_timeout_in_ms: 10000\ncross_node_timeout: false\nendpoint_snitch: Ec2Snitch\ndynamic_snitch_update_interval_in_ms: 100\ndynamic_snitch_reset_interval_in_ms: 600000\ndynamic_snitch_badness_threshold: 0.1\nrequest_scheduler: org.apache.cassandra.scheduler.NoScheduler\nserver_encryption_options:\n internode_encryption: none\n keystore: conf/.keystore\n keystore_password: cassandra\n truststore: conf/.truststore\n truststore_password: cassandra\nclient_encryption_options:\n enabled: false\n keystore: conf/.keystore\n keystore_password: cassandra\ninternode_compression: all\ninter_dc_tcp_nodelay: false\nhints_directory: /var/lib/cassandra/hints\nauto_bootstrap: false\n"},
"mode" 420,
"owner" "cassandra",
"group" "cassandra"}},
"commands"
{"00-chown-for-cassandra-data"
{"command"
"chown -R cassandra:cassandra /var/lib/cassandra/data"},
"01-chown-for-cassandra-commitlog"
{"command"
"chown -R cassandra:cassandra /var/lib/cassandra/commitlog"},
"02-add-node-ip"
{"command"
"NODE_IP=`hostname -I` sed -i s/__NODE_IP/$NODE_IP/g /etc/cassandra/default.conf/cassandra.yaml"}},
"services"
{"sysvinit"
{"cassandra" {"enabled" true, "ensureRunning" true}}}}}}},
"CassandraSeedNetworkInterfaceAz1"
{"Type" "AWS::EC2::NetworkInterface",
"Properties"
{"SubnetId" {"Fn::Select" [0 {"Ref" "Subnets"}]},
"GroupSet"
[{"Ref" "DefaultSecurityGroup"} {"Ref" "DatabaseSecurityGroup"}]}},
"CassandraAutoScalingGroup"
{"Type" "AWS::AutoScaling::AutoScalingGroup",
"DependsOn" "CassandraSeedAz1",
"Properties"
{"MaxSize" {"Ref" "ClusterSize"},
"MinSize" {"Ref" "ClusterSize"},
"DesiredCapacity" {"Ref" "ClusterSize"},
"VPCZoneIdentifier" {"Ref" "Subnets"},
"LaunchConfigurationName" {"Ref" "CassandraLaunchConfiguration"},
"Tags"
[{"Key" "Name",
"Value" {"Fn::Sub" "Cassandra AutoScale ${AWS::StackName}"},
"PropagateAtLaunch" true}]}},
"CassandraSeedNetworkInterfaceAz2"
{"Type" "AWS::EC2::NetworkInterface",
"Properties"
{"SubnetId" {"Fn::Select" [1 {"Ref" "Subnets"}]},
"GroupSet"
[{"Ref" "DefaultSecurityGroup"} {"Ref" "DatabaseSecurityGroup"}]}},
"CassandraHostedZone"
{"Type" "AWS::Route53::HostedZone",
"Properties"
{"Name" {"Fn::Sub" "${AWS::StackName}.${AWS::Region}.cjconfig"},
"HostedZoneConfig"
{"Comment" "A hosted zone for our cjconfiguration"},
"VPCs"
[{"VPCId" {"Ref" "Vpc"}, "VPCRegion" {"Ref" "AWS::Region"}}]}}},
"Mappings"
{"AMI"
{"us-east-1" {"ami" "ami-97785bed"},
"us-east-2" {"ami" "ami-f63b1193"},
"us-west-1" {"ami" "ami-824c4ee2"},
"us-west-2" {"ami" "ami-f2d3638a"}},
"NameMap"
{"az1" {"name" "cassandra-seed-1"},
"az2" {"name" "cassandra-seed-2"}}},
"Conditions"
{"T2InstanceFamily"
{"Fn::Equals"
[{"Fn::Select" [0 {"Fn::Split" ["." {"Ref" "InstanceType"}]}]}
"t2"]}},
"Outputs"
{"CassandraContactPoints"
{"Value"
{"Fn::Sub"
"${CassandraSeedNetworkInterfaceAz1.PrimaryPrivateIpAddress},${CassandraSeedNetworkInterfaceAz2.PrimaryPrivateIpAddress}"}}}})