Config Server
Config server is a microservice to store dynamic configuration. It can be used with the go-platform.
Getting started
Install Consul
Consul is the default registry/discovery for go-micro apps. It's however pluggable. https://www.consul.io/intro/getting-started/install.html
Run Consul
$ consul agent -server -bootstrap-expect 1 -data-dir /tmp/consulStart a mysql database
Download and start the service
go get github.com/micro/config-srv config-srv --database_url="root:root@tcp(192.168.99.100:3306)/config"OR as a docker container
docker run microhq/config-srv --database_url="root:root@tcp(192.168.99.100:3306)/config" --registry_address=YOUR_REGISTRY_ADDRESS
The API
Config server implements the following RPC Methods
Config
- Read
- Create
- Update
- Delete
- Search
- AuditLog
Config.Create
Create a record with id "NAMESPACE:CONFIG" at the path "supported_phones"
micro query go.micro.srv.config Config.Create
'{
"change": {
"id": "NAMESPACE:CONFIG",
"path": "supported_phones",
"author": "asim",
"comment": "adding ios phones",
"change_set": { "data": "{\"ios\": [\"4.0\", \"5s\", \"6\"]}"}
}
}'
Config.Read
Read record with id "NAMESPACE:CONFIG"
micro query go.micro.srv.config Config.Read '{"id": "NAMESPACE:CONFIG"}'
{
"change": {
"change_set": {
"checksum": "edeea1cd6352f583",
"data": "{\"supported_phones\":{\"ios\":[\"4.0\",\"5s\",\"6\"]}}",
"source": "json",
"timestamp": 1.452551133e+09
},
"id": "NAMESPACE:CONFIG"
}
}Config.Update
Update record id "NAMESPACE:CONFIG" path "supported_phones/android" with android phones
micro query go.micro.srv.config Config.Update '{
"change": {
"id": "NAMESPACE:CONFIG",
"path": "supported_phones/android",
"author": "asim",
"comment": "adding android phones",
"change_set": {"data": "[\"galaxy nexus\", \"nexus 5\"]" }
}
}'Config.Search
Search for configs
micro query go.micro.srv.config Config.Search
{
"configs": [
{
"change_set": {
"checksum": "37c9493aee25f277",
"data": "{\"supported_phones\":{\"android\":[\"galaxy nexus\",\"nexus 5\"],\"ios\":[\"4.0\",\"5s\",\"6\"]}}",
"source": "json",
"timestamp": 1.452551694e+09
},
"id": "NAMESPACE:CONFIG"
}
]
}Config.Delete
Delete the ios config
micro query go.micro.srv.config Config.Delete '{
"change": {
"id": "NAMESPACE:CONFIG",
"path": "supported_phones/ios",
"author": "asim",
"comment": "deleting ios config"
}
}'Config.AuditLog
Read the audit log
{
"changes": [
{
"action": "create",
"change": {
"author": "asim",
"change_set": {
"checksum": "edeea1cd6352f583",
"data": "{\"supported_phones\":{\"ios\":[\"4.0\",\"5s\",\"6\"]}}",
"source": "json",
"timestamp": 1.452551133e+09
},
"comment": "adding ios phones",
"id": "NAMESPACE:CONFIG",
"path": "supported_phones",
"timestamp": 1.452551133e+09
}
},
{
"action": "update",
"change": {
"author": "asim",
"change_set": {
"checksum": "37c9493aee25f277",
"data": "{\"supported_phones\":{\"android\":[\"galaxy nexus\",\"nexus 5\"],\"ios\":[\"4.0\",\"5s\",\"6\"]}}",
"source": "json",
"timestamp": 1.452551694e+09
},
"comment": "adding android phones",
"id": "NAMESPACE:CONFIG",
"path": "supported_phones/android",
"timestamp": 1.452551694e+09
}
},
{
"action": "update",
"change": {
"author": "asim",
"change_set": {
"checksum": "47c3b86c7806648e",
"data": "{\"supported_phones\":{\"android\":[\"galaxy nexus\",\"nexus 5\"]}}",
"source": "json",
"timestamp": 1.452551847e+09
},
"comment": "deleting ios config",
"id": "NAMESPACE:CONFIG",
"path": "supported_phones/ios",
"timestamp": 1.452551847e+09
}
}
]
}