support sysdig

cluster.tf

@@ -45,6 +45,7 @@ resource "template_file" "user_data" {
     newrelic_license_key = "${var.newrelic_license_key}"
     ruxit_account = "${var.ruxit_account}"
     ruxit_token = "${var.ruxit_token}"
+    sysdig_access_key = "${var.sysdig_access_key}"
   }
 }
 

user-data.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-yum install -y aws-cli awslogs jq wget kernel-devel-$(uname -r)
+yum install -y aws-cli awslogs jq wget
 
 # copy configurations
 aws s3 cp s3://${bucket_id}/ecs.config /etc/ecs/ecs.config
@@ -43,3 +43,15 @@ else
   ./ruxit-agent-install.sh
   popd
 fi
+
+# configure and start sysdig monitoring (docker version not available in ECS) 
+if [ "${sysdig_access_key}" = "none" ]; then
+  echo "no sysdig key set, skipping"
+else
+  echo "configuring sysdig"
+  pushd /usr/local/src
+  wget -O sysdig-agent-install.sh https://s3.amazonaws.com/download.draios.com/stable/install-agent
+  chmod u+x ./sysdig-agent-install.sh
+  ./sysdig-agent-install.sh --access_key ${sysdig_access_key} --tags "instanceid:$instanceId" 
+  popd
+fi

variables.tf

@@ -63,6 +63,11 @@ variable "ruxit_token" {
   default = "none"
 }
 
+variable "sysdig_access_key" {
+  description = "the sysdig access key (only needed for sysdig support)"
+  default = "none"
+}
+
 variable "ssh_public_key" {
   description = "public key to allow ssh to cluster instances"
 }