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mattheath
June 12, 2017
Programming
3
360
Code to Current Account
Presented with Simon Vans-Colina at Hashidays London
mattheath
June 12, 2017
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Transcript
Code to Current Account @simonvc & @mattheath
@simonvc @mattheath
@simonvc @mattheath
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None
None
None
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Legacy banks
Number of banks running entirely* free* software.
Number of banks running entirely* free* software.
Rebuild everything * Go microservices * Git as Change management
* Realtime and API
Go ❤ * Emphasis on correctness * Performant * Lean
"Plan to throw your first one away." Mesos -> Kubernetes
RabbitMQ -> LinkerD Cloud Formation -> Terraform
None
Terraform
None
None
github.com/hashicorp/vault/ pull/2241 Cassandra storage backend
Builds
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None
None
0 40 80 160 120 Feb 2015 June 2017 200
Number of services 240
None
None
None
Service Service
Service Service Service Service
Service Service Service Service HTTP HTTP
Service Discovery Load Balancing Timeouts and Expirations Retries Rate Limiting
Connection Pooling Circuit Breaking Failure Detection Metrics and Tracing Interrupts Context Propagation
Service Service Service Service HTTP HTTP ?
Service Service Service Service HTTP HTTP linkerd
Service Service Service Service HTTP HTTP linkerd service discovery
Service Discovery Load Balancing Timeouts and Expirations Retries Rate Limiting
Connection Pooling Circuit Breaking Failure Detection Metrics and Tracing Interrupts Context Propagation
Service Service Service Service HTTP HTTP linkerd service discovery
Service Service Service Service Service linkerd host A Service
Service Service Service Service linkerd host B Service Service Service
Service Service Service Service linkerd host A Service Service Service Service Service Service linkerd host C Service
Service Service Service Service linkerd host B Service Service Service
Service Service Service Service linkerd host A Service Service Service Service Service Service linkerd host C Service
Service Service Service Service linkerd host B Service Service Service
Service Service Service Service linkerd host A Service Service Service Service Service Service linkerd host C Service
Service Service Service Service linkerd host B Service Service Service
Service Service Service Service linkerd host A Service Service Service Service Service Service linkerd host C Service
Service Service Service Service linkerd host B Service Service Service
Service Service Service Service linkerd host A Service Service Service Service Service Service linkerd host C Service
None
Amazon eu-west-1
Amazon eu-west-1
None
Amazon eu-west-1 colocation dc 1 colocation dc 2
Amazon eu-west-1 colocation dc 1 colocation dc 2
Amazon eu-west-1 colocation dc 1 colocation dc 2
Amazon eu-west-1 colocation dc 1 colocation dc 2 BGP
BGP BGP BGP
Amazon eu-west-1 colocation dc 1 colocation dc 2 BGP
BGP
Amazon eu-west-1 colocation dc 1 colocation dc 2
third parties colocation AWS Hardware VPN device
third parties colocation AWS Hardware VPN device VPN client
third parties colocation AWS “connectivity” pod Quagga (BGP) services Hardware
VPN device VPN client BGP
third parties colocation AWS “connectivity” pod Quagga (BGP) services ??????
VPN client BGP
None
third parties colocation AWS “connectivity” pod Quagga (BGP) services ??????
VPN client BGP
third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP
third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP
third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP
third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP
Linux HA Linux HA
None
third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP
Linux HA Linux HA
third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP
None
B A
active standby
active standby
active standby
active standby
standby active
third parties colocation AWS “connectivity” pod Quagga (BGP) services ??????
VPN client BGP
third parties colocation AWS “connectivity” pod Quagga (BGP) services HA
VPN Appliance VPN client BGP
Amazon eu-west-1
Build: Terraform Secure: Vault Develop: Vagrant Provision: Packer
monzo.com/careers
monzo.com/careers