swh/staging: Deploy tmp emptyDir on afn loaders

Related to swh/infra/sysadm-environment#5464 (closed)

These modifications will deploy an emptyDir volume with medium field set to Memory on the deployment loader-add-forge-now in staging environment.
The value limitedMemory will be the limit of the pod's memory and the tmpfs volume space.

helm-diff

[swh] Comparing changes between branches production and staging_afn_emptydir (per environment)...
Your branch is up to date with 'origin/production'.
[swh] Generate config in production branch for environment staging, namespace swh...
[swh] Generate config in production branch for environment staging, namespace swh-cassandra...
[swh] Generate config in production branch for environment staging, namespace swh-cassandra-next-version...
[swh] Generate config in staging_afn_emptydir branch for environment staging...
[swh] Generate config in staging_afn_emptydir branch for environment staging...
[swh] Generate config in staging_afn_emptydir branch for environment staging...
Your branch is up to date with 'origin/production'.
[swh] Generate config in production branch for environment production, namespace swh...
[swh] Generate config in production branch for environment production, namespace swh-cassandra...
[swh] Generate config in production branch for environment production, namespace swh-cassandra-next-version...
[swh] Generate config in staging_afn_emptydir branch for environment production...
[swh] Generate config in staging_afn_emptydir branch for environment production...
[swh] Generate config in staging_afn_emptydir branch for environment production...


------------- diff for environment staging namespace swh -------------

     _        __  __
   _| |_   _ / _|/ _|  between /tmp/swh-chart.swh.yNa0WNdX/staging-swh.before, 141 documents
 / _' | | | | |_| |_       and /tmp/swh-chart.swh.yNa0WNdX/staging-swh.after, 141 documents
| (_| | |_| |  _|  _|
 \__,_|\__, |_| |_|   returned no differences
        |___/



------------- diff for environment staging namespace swh-cassandra -------------

     _        __  __
   _| |_   _ / _|/ _|  between /tmp/swh-chart.swh.yNa0WNdX/staging-swh-cassandra.before, 459 documents
 / _' | | | | |_| |_       and /tmp/swh-chart.swh.yNa0WNdX/staging-swh-cassandra.after, 459 documents
| (_| | |_| |  _|  _|
 \__,_|\__, |_| |_|   returned two differences
        |___/

spec.template.spec.containers.loaders.resources  (apps/v1/Deployment/swh-cassandra/loader-add-forge-now)
  + one map entry added:
    limits:
      memory: 2Gi

spec.template.spec.volumes.localstorage  (apps/v1/Deployment/swh-cassandra/loader-add-forge-now)
  - one map entry removed:                 + one map entry added:
    ephemeral:                               emptyDir:
      volumeClaimTemplate:                     medium: Memory
        metadata:                              sizeLimit: 2Gi
          labels:
            type: ephemeral-volume
        spec:
          resources:
            requests:
              storage: 100Gi
          storageClassName: local-path
          accessModes:
          - ReadWriteOnce



------------- diff for environment staging namespace swh-cassandra-next-version -------------

     _        __  __
   _| |_   _ / _|/ _|  between /tmp/swh-chart.swh.yNa0WNdX/staging-swh-cassandra-next-version.before, 370 documents
 / _' | | | | |_| |_       and /tmp/swh-chart.swh.yNa0WNdX/staging-swh-cassandra-next-version.after, 370 documents
| (_| | |_| |  _|  _|
 \__,_|\__, |_| |_|   returned no differences
        |___/



------------- diff for environment production namespace swh -------------

     _        __  __
   _| |_   _ / _|/ _|  between /tmp/swh-chart.swh.yNa0WNdX/production-swh.before, 154 documents
 / _' | | | | |_| |_       and /tmp/swh-chart.swh.yNa0WNdX/production-swh.after, 154 documents
| (_| | |_| |  _|  _|
 \__,_|\__, |_| |_|   returned no differences
        |___/



------------- diff for environment production namespace swh-cassandra -------------

     _        __  __
   _| |_   _ / _|/ _|  between /tmp/swh-chart.swh.yNa0WNdX/production-swh-cassandra.before, 481 documents
 / _' | | | | |_| |_       and /tmp/swh-chart.swh.yNa0WNdX/production-swh-cassandra.after, 481 documents
| (_| | |_| |  _|  _|
 \__,_|\__, |_| |_|   returned no differences
        |___/

Filling a tmp disk

root@test-emptydir-76df847d79-hlvx6:~# df -hT /tmp
Filesystem     Type   Size  Used Avail Use% Mounted on
tmpfs          tmpfs  256M  7.0M  250M   3% /tmp

root@test-emptydir-76df847d79-hlvx6:~# wget -P /tmp https://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-12.8.0-amd64-netinst.iso
--2024-11-13 11:27:56--  https://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-12.8.0-amd64-netinst.iso
Resolving cdimage.debian.org (cdimage.debian.org)... 194.71.11.173, 194.71.11.163, 2001:6b0:19::163, ...
Connecting to cdimage.debian.org (cdimage.debian.org)|194.71.11.173|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://chuangtzu.ftp.acc.umu.se/debian-cd/current/amd64/iso-cd/debian-12.8.0-amd64-netinst.iso [following]
--2024-11-13 11:27:57--  https://chuangtzu.ftp.acc.umu.se/debian-cd/current/amd64/iso-cd/debian-12.8.0-amd64-netinst.iso
Resolving chuangtzu.ftp.acc.umu.se (chuangtzu.ftp.acc.umu.se)... 194.71.11.167, 2001:6b0:19::167
Connecting to chuangtzu.ftp.acc.umu.se (chuangtzu.ftp.acc.umu.se)|194.71.11.167|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 661651456 (631M) [application/x-iso9660-image]
Saving to: '/tmp/debian-12.8.0-amd64-netinst.iso'

debian-12.8.0-amd64-netinst.iso                                  39%[==========================================================>                                                                                           ] 249.07M  32.0MB/s    in 7.9s    


Cannot write to '/tmp/debian-12.8.0-amd64-netinst.iso' (No space left on device).

root@test-emptydir-76df847d79-hlvx6:~# df -hT /tmp
Filesystem     Type   Size  Used Avail Use% Mounted on
tmpfs          tmpfs  256M  256M     0 100% /tmp