Jelastic Certified Templates. How to pack, modify. Basics.

1. Jelastic Certified Templates
Packing and Customizations

2. Today we are going to talk about:
1. D. templates. Why do we need this?
2. Template structure
3. CI for creating own templates (demo)
4. How to start? (demo)

3. Why?

4. Jelastic
Certified
Template

5. 2. Template structure
• Labels
• Service Files
• Stack Files
• JEM
• Environment Variables
CONFIGURATION
FILESYSTEM -> Docker image
goes to J. database
inside container

6. • JEM
Container
Operating system
Stack
JEM
JELASTIC
UI

7. • JEM
JEM
BUILT-IN LIBRARIES
CUSTOM
OVERRIDES
BUILT-IN MODULES

8. • Service files
/etc/jelastic/jelastic.conf
/etc/jelastic/metainf.conf
/etc/jelastic/export.conf
/etc/jelastic/extendperm.conf
/etc/jelastic/favourites.conf
/etc/jelastic/jinfo.ini
/etc/jelastic/redeploy.conf
/etc/sudoers.d/jelastic
/etc/security/limits.conf

9. • Service files
/etc/jelastic/jelastic.conf
PLATFORM_VERSION=5.0.5
PLATFORM_PROTOCOL_VERSION=1.0
PLATFORM_PROTOCOL_PORT=56985
YOU
CAN
JUST SKIP
THIS

10. • Service files
/etc/jelastic/metainf.conf
COMPUTE_TYPE=tomcat
COMPUTE_TYPE_VERSION=7
COMPUTE_TYPE_FULL_VERSION=7.0.28
FIREWALL_ENABLED=0
PLATFORM_TECHMAIL_RECEPIENT=admin@example.com
CAN BE SKIPPED IF YOU MAKE
CHANGES TO EXISTING TEMPLATES

11. • Service files
/etc/jelastic/export.conf
tomee /opt/tomcat/apps;/opt/tomcat/conf/context.xml; /opt/tomcat/
conf/catalina.policy; /opt/tomcat/conf/tomcat-users.xml; /var/lib/
jelastic/keys; /var/spool/cron/tomcat;
<COMPUTE_TYPE> <RESOURCES TO EXPORT>

12. • Service files
/etc/jelastic/extendperm.conf
nginx-php /etc/php.ini;/etc/php-fpm.conf;/etc/nginx/nginx.conf
<COMPUTE_TYPE> <RESOURCES LIST>

13. • Service files
/etc/jelastic/favourites.conf
[directories]
/opt/tomcat/conf
/opt/tomcat/lib
/opt/tomcat/temp
/opt/tomcat/webapps
/usr/java/latest
/var/lib/jelastic/keys
/var/spool/cron
[files]
/etc/jelastic/redeploy.conf

14. • Service files
/etc/jelastic/jinfo.ini
centos7-template-common 2017-03-16 12:36:52
appserver-base-image-centos7 2017-03-16 12:38:31
java_base 2017-04-10 11:43:27
jdk8 2017-04-10 11:50:17
tomcat8 2017-04-10 12:37:13
AUTOGENERATED,
SKIP THIS

15. • Service files
/etc/jelastic/redeploy.conf
/etc/sysconfig/iptables
/etc/sysconfig/iptables-custom
/opt/tomcat/conf/jelastic-ha.xml
/opt/tomcat/conf/jelastic-ssl.xml
/opt/tomcat/conf/tomcat-env.sh
/opt/tomcat/temp/
/var/lib/jelastic/keys
/var/spool/cron/tomcat
/opt/tomcat/conf/jelastic-ssl.xml ===> /opt/tomcat/conf/jelastic-ssl.xml.bak

16. • Service files
/etc/sudoers.d/jelastic
%ssh-access ALL = NOPASSWD: TOMCAT, TOMCAT_SERVICE
Cmnd_Alias TOMCAT = /etc/init.d/tomcat start, /etc/init.d/tomcat stop, /etc/init.d/tomcat restart
Cmnd_Alias TOMCAT_SERVICE = /sbin/service tomcat start, /sbin/service tomcat stop, /sbin/service tomcat restart

17. • Service files
/etc/security/limits.conf
@tomcat hard nofile 524290
@tomcat soft nofile 524290

18. • Labels
Dockerfile
METADATA
Binary image Jelastic
database

19. • Labels
clusterEnabled
customSSL

20. • Labels
isVcsSupport
resetPassword

21. • Labels
webAccess
canBeExported

22. • Labels
cloudletsMinCount
cloudletsCount
engineType
(default)
(not less than)

23. • Labels
nodeMission / nodeGroup
engineType
nosql
build
sql
vps
cache
storage
bl/lb
cp

24. • Other Labels
adminUser
compatibleVersions
appUser
contextRegex
distrib
jem
port
singleContext
sourceUrl
restartOnExtIpChange
nodeType
name
logFolder
engineVersion
nodeTypeAlias
deploySupport

25. • Stack files
NO
RULES
/opt/tomcat
/var/lib/mysql
/usr/data/postgress
/opt/glassfish
/var/lib/mongo

26. • Environment variables
${COMPUTE_TYPE} => ‘tomcat’
${WEBROOT} => ‘/opt/tomcat/webroot'
${SERVICE} => ‘tomcat’
${DATA_OWNER} => ‘tomcat:tomcat’
${DB_DATA_DIR} => ‘/var/lib/mongo’
${MOUNT_DIR} => ‘/var/lib/mongo’

27. 3. CI for creating own templates
DEMO

28. 4. How to start?
DEMO