Servers, buckets and queues

Servers

Master database server

• db.isikhnas.com
• Single instance (not elastic)

Slave database server

• Hot standby server, with automatic promotion to master in case of failure
• .isikhnas.com
• Single instance (not elastic)

Database read-replicas

• .isikhnas.com
• Elastic
• Used for analysis and generating output reports

Master web server

• testwww.isikhnas.com
• Elastic - needs re-imaging when modified

Messaging server

• mx5.isikhnas.com
• Single instance (not elastic)
• Manages incoming and outgoing email, sms, Instant messaging

Report processing server

• .isikhnas.com
• Elastic - needs re-imaging when modified
• Processes database reports, against read-replicas

Template server

• .isikhnas.com
• Single instance (not elastic)

Queues

emailinput

• Purpose: Send a message from message server to report server to notify of
• Push: message server, email_parser.py
• Pop: report server, emailinput_processor.py
• Message content
  • to: incoming email 'to' address (an @isikhnas.com address)
  • from: sender's email address
  • filename: the GUID filename on the S3 server (just name and extension)
  • origfilename: the name of the file as sent in the email
  • userid: iSIKHNAS internal ID of the sending user

com.isikhnas.queuefiles