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https://github.com/eveld/migrating-applications-with-service-mesh-demo
Tutorial for migrating applications using a service mesh
https://github.com/eveld/migrating-applications-with-service-mesh-demo
consul kubernetes service-mesh
Last synced: 9 days ago
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Tutorial for migrating applications using a service mesh
- Host: GitHub
- URL: https://github.com/eveld/migrating-applications-with-service-mesh-demo
- Owner: eveld
- Created: 2019-10-23T11:36:20.000Z (about 5 years ago)
- Default Branch: master
- Last Pushed: 2023-03-09T01:11:02.000Z (over 1 year ago)
- Last Synced: 2023-04-09T10:42:35.992Z (over 1 year ago)
- Topics: consul, kubernetes, service-mesh
- Language: Makefile
- Homepage: https://eveld.github.io/migrating-applications-with-service-mesh/
- Size: 1.24 MB
- Stars: 4
- Watchers: 3
- Forks: 2
- Open Issues: 3
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# Demo
## Step 1 - The monolith
```shell
# Create Consul cluster
make onprem
# Spin up the monolith
make monolith
# Try out the application
curl http://localhost:9090
open http://localhost:9090/ui
```
### Components
- web: upstream of payments
- payments: no upstreams
## Step 2 - First microservice
```shell
# Deploy the currency service
make currency
# Allow only traffic containing specific headers to reach the currency service
make currency-header-router
# Goes to payments
curl http://localhost:9090/currency
# Goes to currency
curl -H "group: dev" http://localhost:9090/currency
# Route traffic for /currency to the currency service
make currency-path-router
# Goes to payments
curl http://localhost:9090
# Goes to currency
curl http://localhost:9090/currency
```
### Components
- web: upstream of payments, and route dev group to currency
- payments: no upstreams
- currency: no upstreams
## Step 3 - A/B testing
```shell
# Deploy payments v2 and define 2 subsets based on version
make payments-v2
# Goes to payments v1
curl http://localhost:9090
# Send the test group to v2 of payments
make payments-v2-router
# Goes to payments v1
curl http://localhost:9090
# Goes to payments v2
curl -H "group: test" http://localhost:9090
```
### Components
- web: upstream of payments, and route test group to payments-v2
- payments: no upstreams
- payments-v2: upstream of currency
- currency: no upstreams
## Step 4 - Canary release
```shell
# Create a traffic-split between payments v1 and v2
make payments-v2-splitter
# Send 50% of the traffic to v2
make payments-v2-splitter-50
# Send 100% of the traffic to v2
make payments-v2-splitter-100
```
## Step 5 - Migrate to Kubernetes
```shell
# Create the "cloud" environment running Kubernetes
make cloud
# Expose consul and the mesh gateway on the "WAN" network
make expose-cloud
# Deploy the new version of the currency service
make currency-v2
# Deploy the mesh gateway in the datacenter, to connect the environments
make onprem-gateway
# Route traffic to /currency over the mesh gateway to v2 of the currency service
make currency-v2-router
```
## Step 6 - Multi-Cluster
```shell
# Create a second "cloud" environment running Kubernetes
make multi-cloud
# Expose consul and the mesh gateway on the "WAN" network
make expose-multi-cloud
# Deploy a new service that spans multiple clusters
make deploy-multi-cloud-service
```
## Step 7 - Multi-Cloud
```shell
# Connect the 2 new environments up to the first on prem environment
make connect-onprem
```