Deployment配置

apiVersion: apps/v1beta2
kind: Deployment
metadata:
  name: nginx-hosts-alis
spec:
    spec:
      hostAliases:
      - hostnames:
        - foo.local
        - bar.local
        ip: 127.0.0.1
      - hostnames:
        - foo.remote
        - bar.remote
        ip: 10.1.2.3

效果

root@nginx-hosts-alis-5db8d7c54c-gf6km:/# cat /etc/hosts
# Kubernetes-managed hosts file.
127.0.0.1       localhost
::1     localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
fe00::0 ip6-mcastprefix
fe00::1 ip6-allnodes
fe00::2 ip6-allrouters
172.16.2.188    nginx-hosts-alis-5db8d7c54c-gf6km

# Entries added by HostAliases.
127.0.0.1       foo.local       bar.local
10.1.2.3        foo.remote      bar.remote