Better fix for openstack cinder zone issue using ignore-volume-az option (#2980)

* Better fix for openstack cinder zone issue[1][2]
using ignore-volume-az option[3].
[1]: https://github.com/kubernetes-incubator/kubespray/pull/2155
[2]: https://github.com/kubernetes-incubator/kubespray/pull/2346
[3]: https://github.com/kubernetes/kubernetes/pull/53523

* Remove kube-scheduler-policy.yaml
pull/3411/head
sangwook 2018-09-28 14:15:47 +09:00 committed by k8s-ci-robot
parent 53d87e53c5
commit 0536125f75
7 changed files with 6 additions and 58 deletions

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@ -1,5 +1,6 @@
## When OpenStack is used, Cinder version can be explicitly specified if autodetection fails (Fixed in 1.9: https://github.com/kubernetes/kubernetes/issues/50461)
#openstack_blockstorage_version: "v1/v2/auto (default)"
#openstack_blockstorage_ignore_volume_az: yes
## When OpenStack is used, if LBaaSv2 is available you can enable it with the following 2 variables.
#openstack_lbaas_enabled: True
#openstack_lbaas_subnet_id: "Neutron subnet ID (not network ID) to create LBaaS VIP"

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@ -129,9 +129,6 @@ kube_kubeadm_apiserver_extra_args: {}
kube_kubeadm_controller_extra_args: {}
kube_kubeadm_scheduler_extra_args: {}
## Variable for influencing kube-scheduler behaviour
volume_cross_zone_attachment: false
## Encrypting Secret Data at Rest
kube_encrypt_secret_data: false
kube_encrypt_token: "{{ lookup('password', credentials_dir + '/kube_encrypt_token.creds length=32 chars=ascii_letters,digits') }}"

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@ -26,14 +26,6 @@
- meta: flush_handlers
- name: Write kube-scheduler policy file
template:
src: kube-scheduler-policy.yaml.j2
dest: "{{ kube_config_dir }}/kube-scheduler-policy.yaml"
notify: Master | Restart kube-scheduler
tags:
- kube-scheduler
- name: Write kube-scheduler kubeconfig
template:
src: kube-scheduler-kubeconfig.yaml.j2

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@ -1,27 +0,0 @@
{
"kind" : "Policy",
"apiVersion" : "v1",
"predicates" : [
{"name" : "MaxEBSVolumeCount"},
{"name" : "MaxGCEPDVolumeCount"},
{"name" : "MaxAzureDiskVolumeCount"},
{"name" : "MatchInterPodAffinity"},
{"name" : "NoDiskConflict"},
{"name" : "GeneralPredicates"},
{"name" : "CheckNodeMemoryPressure"},
{"name" : "CheckNodeDiskPressure"},
{"name" : "CheckNodeCondition"},
{"name" : "PodToleratesNodeTaints"},
{"name" : "CheckVolumeBinding"}
],
"priorities" : [
{"name" : "SelectorSpreadPriority", "weight" : 1},
{"name" : "InterPodAffinityPriority", "weight" : 1},
{"name" : "LeastRequestedPriority", "weight" : 1},
{"name" : "BalancedResourceAllocation", "weight" : 1},
{"name" : "NodePreferAvoidPodsPriority", "weight" : 1},
{"name" : "NodeAffinityPriority", "weight" : 1},
{"name" : "TaintTolerationPriority", "weight" : 1}
],
"hardPodAffinitySymmetricWeight" : 10
}

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@ -31,10 +31,6 @@ spec:
- scheduler
- --leader-elect=true
- --kubeconfig={{ kube_config_dir }}/kube-scheduler-kubeconfig.yaml
{% if volume_cross_zone_attachment %}
- --use-legacy-policy-config
- --policy-config-file={{ kube_config_dir }}/kube-scheduler-policy.yaml
{% endif %}
- --profiling={{ kube_profiling }}
- --v={{ kube_log_level }}
{% if kube_feature_gates %}
@ -69,11 +65,6 @@ spec:
- mountPath: "{{ kube_config_dir }}/kube-scheduler-kubeconfig.yaml"
name: kubeconfig
readOnly: true
{% if volume_cross_zone_attachment %}
- mountPath: "{{ kube_config_dir }}/kube-scheduler-policy.yaml"
name: kube-scheduler-policy
readOnly: true
{% endif %}
volumes:
- name: ssl-certs-host
hostPath:
@ -89,8 +80,3 @@ spec:
- name: kubeconfig
hostPath:
path: "{{ kube_config_dir }}/kube-scheduler-kubeconfig.yaml"
{% if volume_cross_zone_attachment %}
- name: kube-scheduler-policy
hostPath:
path: "{{ kube_config_dir }}/kube-scheduler-policy.yaml"
{% endif %}

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@ -20,10 +20,13 @@ domain-id ="{{ openstack_domain_id }}"
ca-file="{{ kube_config_dir }}/openstack-cacert.pem"
{% endif %}
{% if openstack_blockstorage_version is defined %}
[BlockStorage]
{% if openstack_blockstorage_version is defined %}
bs-version={{ openstack_blockstorage_version }}
{% endif %}
{% if openstack_blockstorage_ignore_volume_az is defined and openstack_blockstorage_ignore_volume_az|bool %}
ignore-volume-az={{ openstack_blockstorage_ignore_volume_az }}
{% endif %}
{% if openstack_lbaas_enabled and openstack_lbaas_subnet_id is defined %}
[LoadBalancer]

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@ -249,6 +249,7 @@ cert_manager_enabled: false
## When OpenStack is used, Cinder version can be explicitly specified if autodetection fails (Fixed in 1.9: https://github.com/kubernetes/kubernetes/issues/50461)
# openstack_blockstorage_version: "v1/v2/auto (default)"
openstack_blockstorage_ignore_volume_az: "{{ volume_cross_zone_attachment | default('false') }}"
## When OpenStack is used, if LBaaSv2 is available you can enable it with the following 2 variables.
openstack_lbaas_enabled: false
# openstack_lbaas_subnet_id: "Neutron subnet ID (not network ID) to create LBaaS VIP"
@ -293,11 +294,6 @@ vault_secrets_dir: "{{ vault_base_dir }}/secrets"
local_volume_provisioner_base_dir: /mnt/disks
local_volume_provisioner_mount_dir: /mnt/disks
## Running on top of openstack vms with cinder enabled may lead to unschedulable pods due to NoVolumeZoneConflict restriction in kube-scheduler.
## See https://github.com/kubernetes-incubator/kubespray/issues/2141
## Set this variable to true to get rid of this issue
volume_cross_zone_attachment: false
# weave's network password for encryption
# if null then no network encryption
# you can use --extra-vars to pass the password in command line