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kubernetes: Enable net.ipv4.ip_forward

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This doesn't seem to be necessary when using Docker Engine as the CRI backend,
but in general it is.

The sysctl container must be writeable to allow the
/etc/sysctl.d/01-kubernetes.conf mount point to be created. See #2503.

Signed-off-by: Ian Campbell <ijc@docker.com>
This commit is contained in:
Ian Campbell 2017-09-12 14:27:07 +01:00
parent 825e43f7c4
commit 1e15243b11
2 changed files with 10 additions and 0 deletions
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5
projects/kubernetes/kube-master.yml
View File

@ -9,6 +9,9 @@ init:
onboot: onboot:
- name: sysctl - name: sysctl
image: linuxkit/sysctl:154913b72c6f1f33eb408609fca9963628e8c051 image: linuxkit/sysctl:154913b72c6f1f33eb408609fca9963628e8c051
binds:
- /etc/sysctl.d/01-kubernetes.conf:/etc/sysctl.d/01-kubernetes.conf
readonly: false
- name: sysfs - name: sysfs
image: linuxkit/sysfs:3ae01a25583ee37a5ff8b09a0e569cb4bd8cf2e9 image: linuxkit/sysfs:3ae01a25583ee37a5ff8b09a0e569cb4bd8cf2e9
- name: dhcpcd - name: dhcpcd
@ -60,6 +63,8 @@ services:
- name: kubelet - name: kubelet
image: linuxkitprojects/kubernetes:c4a6ae5121df50471ad244b9fc153ff5eb674fb2 image: linuxkitprojects/kubernetes:c4a6ae5121df50471ad244b9fc153ff5eb674fb2
files: files:
- path: /etc/sysctl.d/01-kubernetes.conf
contents: 'net.ipv4.ip_forward = 1'
- path: /opt/cni - path: /opt/cni
directory: true directory: true
- path: /etc/cni - path: /etc/cni

5
projects/kubernetes/kube-node.yml
View File

@ -9,6 +9,9 @@ init:
onboot: onboot:
- name: sysctl - name: sysctl
image: linuxkit/sysctl:154913b72c6f1f33eb408609fca9963628e8c051 image: linuxkit/sysctl:154913b72c6f1f33eb408609fca9963628e8c051
binds:
- /etc/sysctl.d/01-kubernetes.conf:/etc/sysctl.d/01-kubernetes.conf
readonly: false
- name: sysfs - name: sysfs
image: linuxkit/sysfs:3ae01a25583ee37a5ff8b09a0e569cb4bd8cf2e9 image: linuxkit/sysfs:3ae01a25583ee37a5ff8b09a0e569cb4bd8cf2e9
- name: dhcpcd - name: dhcpcd
@ -58,6 +61,8 @@ services:
- name: kubelet - name: kubelet
image: linuxkitprojects/kubernetes:c4a6ae5121df50471ad244b9fc153ff5eb674fb2 image: linuxkitprojects/kubernetes:c4a6ae5121df50471ad244b9fc153ff5eb674fb2
files: files:
- path: /etc/sysctl.d/01-kubernetes.conf
contents: 'net.ipv4.ip_forward = 1'
- path: /opt/cni - path: /opt/cni
directory: true directory: true
- path: /etc/cni - path: /etc/cni