Advanced AWS CloudFormation - cfn-Init & cfn-Hup not working - wordpress

Question

I am experimenting with Cloudformation CFN-INIT & CFN-HUP based on below template but the wordpress stack doesn't get created. CFN-HUP process is not started and CFN-Init throws Code1 error. Please see Stack-template and error log details below. Can anyone help me understand what's going wrong here please?
Stack-Template:
**Parameters:
DecideEnvSize:
Type: String
Default: LOW
AllowedValues:
- LOW
- MEDIUM
- HIGH
Description: Select Environment Size (S,M,L)
DatabaseName:
Type: String
Default: DB4wordpress
DatabaseUser:
Type: String
Default: ***************
DatabasePassword:
Type: String
Default: *************
NoEcho: true
TestString:
Type: String
Default: Don't eat yourself up!!!
Mappings:
MyRegionMap:
us-east-1:
"AMALINUX" : "ami-c481fad3" # AMALINUX SEP 2016 - N. Verginia
us-east-2:
"AMALINUX" : "ami-71ca9114" # AMALINUX SEP 2016 - Ohio
InstanceSize:
LOW:
"EC2" : "t2.micro"
"DB" : "db.t2.micro"
MEDIUM:
"EC2" : "t2.small"
"DB" : "db.t2.small"
HIGH:
"EC2" : "t2.medium"
"DB" : "db.t2.medium"
Resources:
DBServer:
Type: "AWS::RDS::DBInstance"
Properties:
AllocatedStorage: 5
StorageType: gp2
DBInstanceClass: !FindInMap [InstanceSize, !Ref DecideEnvSize, DB] # Dynamic mapping + Pseudo Parameter
DBName: !Ref DatabaseName
Engine: MySQL
MasterUsername: !Ref DatabaseUser
MasterUserPassword: !Ref DatabasePassword
DeletionPolicy: Delete
EC2server:
Type: "AWS::EC2::Instance"
DependsOn: DBServer
Properties:
ImageId: !FindInMap [MyRegionMap, !Ref "AWS::Region", AMALINUX] # Dynamic mapping + Pseudo Parameter
InstanceType: !FindInMap [InstanceSize, !Ref DecideEnvSize, EC2]
KeyName: AdvancedCFN
**UserData:
"Fn::Base64":
!Sub |
#!/bin/bash
yum update -y aws-cfn-bootstrap # good practice - always do this.
/opt/aws/bin/cfn-init -v --stack ${AWS::StackName} --resource EC2server --configsets wordpress --region ${AWS::Region}
yum -y update
Metadata:
AWS::CloudFormation::Init:
configSets:
wordpress:
- "configure_cfn"
- "install_wordpress"
- "config_wordpress"
configure_cfn:
files:
/etc/cfn/cfn-hup.conf:
content: !Sub |
[main-just some name]
stack=${AWS::StackId}
region=${AWS::Region}
verbose=true
interval=5
mode: "000400"
owner: root
group: root
/etc/cfn/hooks.d/cfn-auto-reloader.conf:
content: !Sub |
[cfn-auto-reloader-hook #just a name]
triggers=post.update
path=Resources.EC2server.Metadata.AWS::CloudFormation::Init
action=/opt/aws/bin/cfn-init -v --stack ${AWS::StackName} --resource EC2server --configsets wordpress --region ${AWS::Region}
mode: "000400"
owner: root
group: root
/var/www/html/index2.html:
content: !Ref TestString
services:
sysvinit:
cfn-hup:
enabled: "true"
ensureRunning: "true"
files:
- "/etc/cfn/cfn-hup.conf"
- "/etc/cfn/hooks.d/cfn-auto-reloader.conf"**
install_wordpress:
packages:
yum:
httpd: []
php: []
mysql: []
php-mysql: []
sources:
/var/www/html: "http://wordpress.org/latest.tar.gz"
services:
sysvinit:
httpd:
enabled: "true"
ensureRunning: "true"
config_wordpress:
commands:
01_clone_config:
cwd: "/var/www/html/wordpress"
test: "test ! -e /var/www/html/wordpress/wp-config.php"
command: "cp wp-config-sample.php wp-config.php"
02_inject_dbhost:
cwd: "/var/www/html/wordpress"
command: !Sub |
sed -i 's/localhost/${DBServer.Endpoint.Address}/g' wp-config.php
03_inject_dbname:
cwd: "/var/www/html/wordpress"
command: !Sub |
sed -i 's/database_name_here/${DatabaseName}/g' wp-config.php
04_inject_dbuser:
cwd: "/var/www/html/wordpress"
command: !Sub |
sed -i 's/username_here/${DatabaseUser}/g' wp-config.php
05_inject_dbpassword:
cwd: "/var/www/html/wordpress"
command: !Sub |
sed -i 's/password_here/${DatabasePassword}/g' wp-config.php
S3blob:
Type: "AWS::S3::Bucket"**
Error & log details
[root#ip-172-31-25-239 ec2-user]# cd /var/log
[root#ip-172-31-25-239 log]# ls
*audit btmp cfn-init-cmd.log cfn-wire.log cloud-init-output.log dmesg lastlog maillog ntpstats spooler wtmp
boot.log cfn-hup.log cfn-init.log cloud-init.log cron dracut.log mail messages secure tallylog yum.log
[root#ip-172-31-25-239 log]# cat cfn-hup.log
2017-12-30 10:48:15,923 [ERROR] Error: [main] section must contain stack option*
===========================================================================================
===========================================================================================
[root#ip-172-31-25-239 log]# cat cfn-init.log
2017-12-30 10:48:15,499 [DEBUG] CloudFormation client initialized with endpoint https://cloudformation.us-east-1.amazonaws.com
2017-12-30 10:48:15,501 [DEBUG] Describing resource EC2server in stack Yetagain-init-hup-try10
2017-12-30 10:48:15,616 [INFO] -----------------------Starting build-----------------------
2017-12-30 10:48:15,616 [DEBUG] Not setting a reboot trigger as scheduling support is not available
2017-12-30 10:48:15,617 [INFO] Running configSets: wordpress
2017-12-30 10:48:15,618 [INFO] Running configSet wordpress
2017-12-30 10:48:15,619 [INFO] Running config configure_cfn
2017-12-30 10:48:15,620 [DEBUG] No packages specified
2017-12-30 10:48:15,620 [DEBUG] No groups specified
2017-12-30 10:48:15,620 [DEBUG] No users specified
2017-12-30 10:48:15,620 [DEBUG] No sources specified
2017-12-30 10:48:15,620 [DEBUG] Parent directory /etc/cfn does not exist, creating
2017-12-30 10:48:15,625 [DEBUG] Writing content to /etc/cfn/cfn-hup.conf
2017-12-30 10:48:15,625 [DEBUG] Setting mode for /etc/cfn/cfn-hup.conf to 000400
2017-12-30 10:48:15,626 [DEBUG] Setting owner 0 and group 0 for /etc/cfn/cfn-hup.conf
2017-12-30 10:48:15,626 [DEBUG] Parent directory /etc/cfn/hooks.d does not exist, creating
2017-12-30 10:48:15,626 [DEBUG] Writing content to /etc/cfn/hooks.d/cfn-auto-reloader.conf
2017-12-30 10:48:15,626 [DEBUG] Setting mode for /etc/cfn/hooks.d/cfn-auto-reloader.conf to 000400
2017-12-30 10:48:15,626 [DEBUG] Setting owner 0 and group 0 for /etc/cfn/hooks.d/cfn-auto-reloader.conf
2017-12-30 10:48:15,626 [DEBUG] Parent directory /var/www/html does not exist, creating
2017-12-30 10:48:15,627 [DEBUG] Writing content to /var/www/html/index2.html
2017-12-30 10:48:15,627 [DEBUG] No mode specified for /var/www/html/index2.html. The file will be created with the mode: 0644
2017-12-30 10:48:15,627 [DEBUG] No commands specified
2017-12-30 10:48:15,627 [DEBUG] Using service modifier: /sbin/chkconfig
2017-12-30 10:48:15,627 [DEBUG] Setting service cfn-hup to enabled
2017-12-30 10:48:15,634 [INFO] enabled service cfn-hup
2017-12-30 10:48:15,635 [DEBUG] Restarting cfn-hup due to change detected in dependency
2017-12-30 10:48:15,635 [DEBUG] Using service runner: /sbin/service
*2017-12-30 10:48:15,941 [ERROR] Could not restart service cfn-hup; return code was 1
2017-12-30 10:48:15,941 [DEBUG] Service output: Stopping cfn-hup: [FAILED]
Starting cfn-hup: [FAILED]
2017-12-30 10:48:15,942 [ERROR] Error encountered during build of configure_cfn: Could not restart cfn-hup*
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/cfnbootstrap/construction.py", line 542, in run_config
CloudFormationCarpenter(config, self._auth_config).build(worklog)
File "/usr/lib/python2.7/dist-packages/cfnbootstrap/construction.py", line 270, in build
CloudFormationCarpenter._serviceTools[manager]().apply(services, changes)
File "/usr/lib/python2.7/dist-packages/cfnbootstrap/service_tools.py", line 161, in apply
self._restart_service(service)
File "/usr/lib/python2.7/dist-packages/cfnbootstrap/service_tools.py", line 185, in _restart_service
raise ToolError("Could not restart %s" % service)
ToolError: Could not restart cfn-hup
2017-12-30 10:48:15,942 [ERROR] -----------------------BUILD FAILED!------------------------
2017-12-30 10:48:15,944 [ERROR] Unhandled exception during build: Could not restart cfn-hup
Traceback (most recent call last):
File "/opt/aws/bin/cfn-init", line 171, in <module>
worklog.build(metadata, configSets)
File "/usr/lib/python2.7/dist-packages/cfnbootstrap/construction.py", line 129, in build
Contractor(metadata).build(configSets, self)
File "/usr/lib/python2.7/dist-packages/cfnbootstrap/construction.py", line 530, in build
self.run_config(config, worklog)
File "/usr/lib/python2.7/dist-packages/cfnbootstrap/construction.py", line 542, in run_config
CloudFormationCarpenter(config, self._auth_config).build(worklog)
File "/usr/lib/python2.7/dist-packages/cfnbootstrap/construction.py", line 270, in build
CloudFormationCarpenter._serviceTools[manager]().apply(services, changes)
File "/usr/lib/python2.7/dist-packages/cfnbootstrap/service_tools.py", line 161, in apply
self._restart_service(service)
File "/usr/lib/python2.7/dist-packages/cfnbootstrap/service_tools.py", line 185, in _restart_service
raise ToolError("Could not restart %s" % service)
ToolError: Could not restart cfn-hup
=============================================================================================================
==============================================================================================================
[root#ip-172-31-25-239 log]# cat /etc/cfn/cfn-hup.conf
[main-just some name]
stack=arn:aws:cloudformation:us-east-1:523324464109:stack/Yetagain-init-hup-try10/908305e0-ed4d-11e7-b9f7-500c285ebefd
region=us-east-1
verbose=true
interval=5
==========================================================================================================
=========================================================================================================
[root#ip-172-31-25-239 log]# cat /etc/cfn/hooks.d/cfn-auto-reloader.conf
[cfn-auto-reloader-hook #just a name]
triggers=post.update
path=Resources.EC2server.Metadata.AWS::CloudFormation::Init
action=/opt/aws/bin/cfn-init -v --stack Yetagain-init-hup-try10 --resource EC2server --configsets wordpress --region us-east-1

Answer 1

Looks like the main error is in cfn-hup.log:
2017-12-30 10:48:15,923 [ERROR] Error: [main] section must contain stack option*
Try changing [main-just some name] to [main] in your cfn-hup.conf. For reference, my /etc/cfn/cfn-hup.conf looks like something like this:
[main]
stack=arn:aws:cloudformation:us-west-1:acccount_id:stack/mystack-dev-ecs-EC2-1VF68LZMOLAIY/cb2a6a80-554a-11e8-b318-503dcab41efa
region=us-west-1
interval=5
verbose=true