Don't encourage people to mount downwardAPI volumes on /etc (#7484)

Because API data volumes like downwardAPI are expected to be fully
managed by Kubernetes and are now mounted read-only, this causes
problems with other files in /etc like /etc/resolv.conf that Docker
tries to add to the volume. Our examples should show such volumes
being mounted to a dedicated subdirectory for the volume.
This commit is contained in:
Joel Smith 2018-02-23 11:06:45 -07:00 committed by k8s-ci-robot
parent 34c656f32a
commit 5ec5118445
4 changed files with 25 additions and 25 deletions

View File

@ -10,14 +10,14 @@ spec:
args:
- while true; do
echo -en '\n';
if [[ -e /etc/cpu_limit ]]; then
echo -en '\n'; cat /etc/cpu_limit; fi;
if [[ -e /etc/podinfo/cpu_limit ]]; then
echo -en '\n'; cat /etc/podinfo/cpu_limit; fi;
if [[ -e /etc/cpu_request ]]; then
echo -en '\n'; cat /etc/cpu_request; fi;
echo -en '\n'; cat /etc/podinfo/cpu_request; fi;
if [[ -e /etc/mem_limit ]]; then
echo -en '\n'; cat /etc/mem_limit; fi;
echo -en '\n'; cat /etc/podinfo/mem_limit; fi;
if [[ -e /etc/mem_request ]]; then
echo -en '\n'; cat /etc/mem_request; fi;
echo -en '\n'; cat /etc/podinfo/mem_request; fi;
sleep 5;
done;
resources:
@ -29,7 +29,7 @@ spec:
cpu: "250m"
volumeMounts:
- name: podinfo
mountPath: /etc
mountPath: /etc/podinfo
readOnly: false
volumes:
- name: podinfo

View File

@ -16,15 +16,15 @@ spec:
command: ["sh", "-c"]
args:
- while true; do
if [[ -e /etc/labels ]]; then
echo -en '\n\n'; cat /etc/labels; fi;
if [[ -e /etc/annotations ]]; then
echo -en '\n\n'; cat /etc/annotations; fi;
if [[ -e /etc/podinfo/labels ]]; then
echo -en '\n\n'; cat /etc/podinfo/labels; fi;
if [[ -e /etc/podinfo/annotations ]]; then
echo -en '\n\n'; cat /etc/podinfo/annotations; fi;
sleep 5;
done;
volumeMounts:
- name: podinfo
mountPath: /etc
mountPath: /etc/podinfo
readOnly: false
volumes:
- name: podinfo

View File

@ -10,14 +10,14 @@ spec:
args:
- while true; do
echo -en '\n';
if [[ -e /etc/cpu_limit ]]; then
echo -en '\n'; cat /etc/cpu_limit; fi;
if [[ -e /etc/cpu_request ]]; then
echo -en '\n'; cat /etc/cpu_request; fi;
if [[ -e /etc/mem_limit ]]; then
echo -en '\n'; cat /etc/mem_limit; fi;
if [[ -e /etc/mem_request ]]; then
echo -en '\n'; cat /etc/mem_request; fi;
if [[ -e /etc/podinfo/cpu_limit ]]; then
echo -en '\n'; cat /etc/podinfo/cpu_limit; fi;
if [[ -e /etc/podinfo/cpu_request ]]; then
echo -en '\n'; cat /etc/podinfo/cpu_request; fi;
if [[ -e /etc/podinfo/mem_limit ]]; then
echo -en '\n'; cat /etc/podinfo/mem_limit; fi;
if [[ -e /etc/podinfo/mem_request ]]; then
echo -en '\n'; cat /etc/podinfo/mem_request; fi;
sleep 5;
done;
resources:
@ -29,7 +29,7 @@ spec:
cpu: "250m"
volumeMounts:
- name: podinfo
mountPath: /etc
mountPath: /etc/podinfo
readOnly: false
volumes:
- name: podinfo

View File

@ -16,15 +16,15 @@ spec:
command: ["sh", "-c"]
args:
- while true; do
if [[ -e /etc/labels ]]; then
echo -en '\n\n'; cat /etc/labels; fi;
if [[ -e /etc/annotations ]]; then
echo -en '\n\n'; cat /etc/annotations; fi;
if [[ -e /etc/podinfo/labels ]]; then
echo -en '\n\n'; cat /etc/podinfo/labels; fi;
if [[ -e /etc/podinfo/annotations ]]; then
echo -en '\n\n'; cat /etc/podinfo/annotations; fi;
sleep 5;
done;
volumeMounts:
- name: podinfo
mountPath: /etc
mountPath: /etc/podinfo
readOnly: false
volumes:
- name: podinfo