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Support Nomad canary deployment

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Co-authored-by: Kevin Pollet <pollet.kevin@gmail.com>
Co-authored-by: Mathieu Lonjaret <mathieu.lonjaret@gmail.com>
This commit is contained in:
Romain 2022-08-01 17:52:08 +02:00 • committed by GitHub
parent ab94bbaece
commit 2a2ea759d1
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 593 additions and 51 deletions
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26
pkg/provider/nomad/config.go
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@ -4,8 +4,11 @@ import (
"context"
"errors"
"fmt"
"hash/fnv"
"net"
"sort"
"strconv"
"strings"
"github.com/traefik/traefik/v2/pkg/config/dynamic"
"github.com/traefik/traefik/v2/pkg/config/label"
@ -76,7 +79,7 @@ func (p *Provider) buildConfig(ctx context.Context, items []item) *dynamic.Confi
Labels: labels,
}
provider.BuildRouterConfiguration(ctx, config.HTTP, provider.Normalize(i.Name), p.defaultRuleTpl, model)
provider.BuildRouterConfiguration(ctx, config.HTTP, getName(i), p.defaultRuleTpl, model)
configurations[svcName] = config
}
@ -90,7 +93,7 @@ func (p *Provider) buildTCPConfig(i item, configuration *dynamic.TCPConfiguratio
lb := new(dynamic.TCPServersLoadBalancer)
lb.SetDefaults()
configuration.Services[provider.Normalize(i.Name)] = &dynamic.TCPService{
configuration.Services[getName(i)] = &dynamic.TCPService{
LoadBalancer: lb,
}
}
@ -108,7 +111,7 @@ func (p *Provider) buildUDPConfig(i item, configuration *dynamic.UDPConfiguratio
if len(configuration.Services) == 0 {
configuration.Services = make(map[string]*dynamic.UDPService)
configuration.Services[provider.Normalize(i.Name)] = &dynamic.UDPService{
configuration.Services[getName(i)] = &dynamic.UDPService{
LoadBalancer: new(dynamic.UDPServersLoadBalancer),
}
}
@ -129,7 +132,7 @@ func (p *Provider) buildServiceConfig(i item, configuration *dynamic.HTTPConfigu
lb := new(dynamic.ServersLoadBalancer)
lb.SetDefaults()
configuration.Services[provider.Normalize(i.Name)] = &dynamic.Service{
configuration.Services[getName(i)] = &dynamic.Service{
LoadBalancer: lb,
}
}
@ -265,3 +268,18 @@ func (p *Provider) addServer(i item, lb *dynamic.ServersLoadBalancer) error {
return nil
}
func getName(i item) string {
if !i.ExtraConf.Canary {
return provider.Normalize(i.Name)
}
tags := make([]string, len(i.Tags))
copy(tags, i.Tags)
sort.Strings(tags)
hasher := fnv.New64()
hasher.Write([]byte(strings.Join(tags, "")))
return provider.Normalize(fmt.Sprintf("%s-%d", i.Name, hasher.Sum64()))
}