---
- name: "install flannel-network"
  command: kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/v0.9.1/Documentation/kube-flannel.yml

---
- name: "install flannel-network"
  command: kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/bc79dd1505b0c8681ece4de4c0d86c5cd2643275/Documentation/kube-flannel.yml

Use newer verison of flannel.yml
Use newer verison of flannel.yml

Flannels deployment yml is severly behind, use the current master until they release a new tagged version. This is required if flannel is to be used in kubernetes 1.12.0 or newer.
