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Add ip route workaround for DNS clusterIP

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This commit is contained in:
Aleksandr Didenko 2016-07-04 15:13:49 +02:00
parent e68d6575cd
commit 4c300a57b5
2 changed files with 23 additions and 0 deletions
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2
deploy-k8s.kargo.sh
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@ -26,4 +26,6 @@ if [ "$deploy_res" -eq "0" ]; then
ansible-playbook -i $INVENTORY playbooks/kubedns.yaml
echo "Setting up kubedashboard..."
ansible-playbook -i $INVENTORY playbooks/kubedashboard.yaml
echo "Setting up ip route work-around for DNS clusterIP availability..."
ansible-playbook -i $INVENTORY playbooks/ipro_for_dnsmasq.yaml
fi

21
playbooks/ipro_for_dnsmasq.yaml Normal file
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@ -0,0 +1,21 @@
# FXIME: add persistent routing rule
- hosts: kube-master
tasks:
- name: Get DNS clusterIP
shell: kubectl get svc --namespace kube-system dnsmasq --template=\{\{.spec.clusterIP\}\}
register: dnsmasq_ip
run_once: true
- hosts: all
tasks:
- name: Get local IP
shell: "calicoctl status | grep IP: | awk '{print $2}'"
register: local_ip
- name: Get route
shell: ip ro ls | grep "^{{ hostvars[groups['kube-master'][0]]['dnsmasq_ip']['stdout'] }}" || echo ""
register: local_route
- name: Clean up route
shell: ip ro del {{ hostvars[groups['kube-master'][0]]['dnsmasq_ip']['stdout'] }} || true
when: local_route.stdout.find('{{ local_ip.stdout }}') == -1
- name: Setup route
shell: ip ro add {{ hostvars[groups['kube-master'][0]]['dnsmasq_ip']['stdout'] }} via {{ local_ip.stdout }}
when: local_route.stdout.find('{{ local_ip.stdout }}') == -1