userdata chef bootstrap

bootstrap.sh.tpl

#!/bin/bash -xev

# Install Dependencies
yum install -y unzip

# Install jq
[ -e /usr/bin/jq ] || $(curl -L https://github.com/stedolan/jq/releases/download/jq-1.5/jq-linux64 -o /usr/bin/jq \
  && chmod +x /usr/bin/jq)

# Set environment Variables
export INSTANCE_ID=$(curl -s http://169.254.169.254/latest/dynamic/instance-identity/document/ | jq -r '.instanceId')
export NODE_NAME=AUTOSCALE-$INSTANCE_ID

function install_aws {
  curl -s -O https://s3.amazonaws.com/aws-cli/awscli-bundle.zip \
    && unzip awscli-bundle.zip \
    && ./awscli-bundle/install -i /usr/local/aws -b /usr/bin/aws \
    && rm -rf ./awscli-bundle awscli-bundle.zip
}

[ -e /usr/local/aws ] || install_aws

# Do some chef pre-work
/bin/mkdir -p /etc/chef /var/lib/chef /var/log/chef

# Install chef
[ -e /bin/chef-client ] || curl -L https://omnitruck.chef.io/install.sh | bash -s -- -v ${chef_version}

# Get validator key
[ -e /etc/chef/"${validation_client_name}".pem ] || aws s3 cp s3://"${s3_repo}"/"${validation_client_name}".pem /etc/chef/"${validation_client_name}".pem

# Create first-boot.json
[ -e /etc/chef/first-boot.json ] || cat > "/etc/chef/first-boot.json" << EOF
{
   "tags" : ["$INSTANCE_ID","${node_name_prefix}"],
   "run_list" : ${run_list}
}
EOF

# Create client.rb
[ -e /etc/chef/client.rb ] || cat > "/etc/chef/client.rb" << EOF
log_location            STDOUT
chef_server_url         "${server_url}"
validation_client_name  "${validation_client_name}"
validation_key          "/etc/chef/"${validation_client_name}".pem"
node_name               "$NODE_NAME"
EOF

chef-client -j /etc/chef/first-boot.json -E ${env}