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Cyril CONSTANTIN
8776475bd2
|
4 weeks ago | |
|---|---|---|
| LICENSE | 5 months ago | |
| README.md | 4 weeks ago | |
| check_status.sh | 4 weeks ago | |
| containers.conf | 4 weeks ago | |
| create_cluster.sh | 4 weeks ago | |
| env.sh | 4 weeks ago | |
| kind-config.yaml | 4 weeks ago | |
| registries.conf | 4 weeks ago | |
| storage.conf | 4 weeks ago | |
README.md
kubosm
Kubernetes on podman wih kind.
local storage
$ sudo lvcreate --size 64G --name kubernetes blue
ok
$ sudo mkfs.ext4 /dev/blue/kubernetes
$ sudo mount /dev/blue/kubernetes /datas/kubernetes # fstab
$ sudo chown $(whoami):$(whoami) /datas/kubernetes
install and configure programs
$ sudo apt install kubectl kind podman
$ podman info | grep "^ cgroupVersion: v2$"
$ systemctl --version
systemd 257 (257.13-1~deb13u1) # systemd > 252 : OK
+PAM +AUDIT +SELINUX +APPARMOR +IMA +IPE +SMACK +SECCOMP +GCRYPT -GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBCRYPTSETUP_PLUGINS +LIBFDISK +PCRE2 +PWQUALITY +P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD +BPF_FRAMEWORK +BTF -XKBCOMMON -UTMP +SYSVINIT +LIBARCHIVE
$ sudo mkdir /etc/systemd/system/user@.service.d
$ cat > /etc/systemd/system/user@.service.d/delegate.conf <<EOF
[Service]
Delegate=yes
EOF
$ sudo systemctl daemon-reload
init
$ cd /git
$ git clone https://git.ccyr.eu/constcyr/kubosm.git
Clonage dans 'kubosm'...
$ cd /git/kubosm
build
$ systemctl --user start podman.service
$ systemctl --user status podman.service
● podman.service - Podman API Service
Loaded: loaded (/usr/lib/systemd/user/podman.service; disabled; preset: enabled)
Active: active (running) since Wed 2026-05-27 14:49:51 CEST; 3s ago
$ bash kind.sh
Running as unit: run-p43465-i43765.scope; invocation ID: f14e52fea7a94c638b823b132fb47b7c
using podman due to KIND_EXPERIMENTAL_PROVIDER
enabling experimental podman provider
Creating cluster "kubosm" ...
✓ Ensuring node image (kindest/node:v1.32.2) 🖼
✓ Preparing nodes 📦
✓ Writing configuration 📜
✓ Starting control-plane 🕹️
✓ Installing CNI 🔌
✓ Installing StorageClass 💾
Set kubectl context to "kind-kubosm"
You can now use your cluster with:
kubectl cluster-info --context kind-kubosm
Have a nice day! 👋
$ podman ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
63cb3321854e docker.io/kindest/node@sha256:f226345927d7e348497136874b6d207e0b32cc52154ad8323129352923a3142f 3 minutes ago Up 3 minutes 127.0.0.1:6443->6443/tcp, 127.0.0.1:8080->8080/tcp kubosm-control-plane
$ kubectl cluster-info --context kind-kubosm
Kubernetes control plane is running at https://127.0.0.1:6443
CoreDNS is running at https://127.0.0.1:6443/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy
To further debug and diagnose cluster problems, use 'kubectl cluster-info dump'.
$ kind load docker-image debian:stable-slim --name kubosm
using podman due to KIND_EXPERIMENTAL_PROVIDER
enabling experimental podman provider
Image: "debian:stable-slim" with ID "sha256:a46b31c2389d51329eea0637614ad105716df53be6b623379b7a2a94e03abc54" not yet present on node "kubosm-control-plane", loading...
$ kubectl get namespaces
NAME STATUS AGE
default Active 15m
kube-node-lease Active 15m
kube-public Active 15m
kube-system Active 16m
local-path-storage Active 15m
$ kubectl get nodes
NAME STATUS ROLES AGE VERSION
kubosm-control-plane Ready control-plane 16m v1.32.2
check
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
e7fbc32b2ed5 kindest/node:v1.27.1 "/usr/local/bin/entr…" 15 hours ago Up 19 minutes 0.0.0.0:8080->8080/tcp, 127.0.0.1:41823->6443/tcp kubosm-control-plane
f7c98a3a3a2a kindest/node:v1.27.1 "/usr/local/bin/entr…" 15 hours ago Up 19 minutes kubosm-worker
$ kind get clusters
kubosm
$ source env.sh
$ kubectl cluster-info --context kind-kubosm
Kubernetes control plane is running at https://127.0.0.1:41823
CoreDNS is running at https://127.0.0.1:41823/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy
$ kubectl get deployments
NAME READY UP-TO-DATE AVAILABLE AGE
nginx 1/1 1 1 4m1s
$ kubectl get services
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 18h
nginx NodePort 10.96.85.96 <none> 8080:30201/TCP 21s
Load and save images
$ podman save docker.io/library/registry:3 | xz > /datas/kubernetes/backups/registry.tar.xz
$ podman save docker.io/kindest/node@sha256:f226345927d7e348497136874b6d207e0b32cc52154ad8323129352923a3142f | xz > /datas/kubernetes/backups/kindest.tar.xz
$ podman pull docker.io/debian:sid
Trying to pull docker.io/library/debian:sid...
Getting image source signatures
Copying blob 02991db6507c done |
Copying config ee36d5c9a7 done |
Writing manifest to image destination
ee36d5c9a7c2d8d4edf03c44e7a90f050e0980131b584002ed4100208494cd40
$ podman tag docker.io/debian:sid localhost:5001/debian:sid
$ docker push localhost:5001/debian:sid
The push refers to repository [localhost:5001/debian]
An image does not exist locally with the tag: localhost:5001/debian
$ kubectl create deployment debian --image=localhost:5001/debian:sid
deployment.apps/debian created
$ podman build -t bash https://git.ccyr.eu/constcyr/debian_podman.git
STEP 1/4: FROM docker.io/library/debian:sid
STEP 2/4: LABEL maintainer="Cyril CONSTANTIN"
--> 002453ba3ffb
STEP 3/4: LABEL io.containers.capabilities="sys_chroot"
--> 4b6cff2dd7f8
STEP 4/4: CMD ["/usr/bin/bash"]
COMMIT bash
--> cdeda6a6472a
Successfully tagged localhost/bash:latest
cdeda6a6472aeacdfc2de36c1de3d3c9868342ea1cc48f7ff61970ab069ed016
$ kubectl create deployment bash --image=localhost:5001/bash:latest
deployment.apps/bash created
DEPRECATED TESTS
$ systemd-run --scope -p "Delegate=yes" --user kind create cluster --config=./kind-config.yaml
$ systemd-run --scope -p "Delegate=yes" --user kind create cluster --name osmkub
$ kind get clusters
osmkub
$ kubectl config get-contexts
CURRENT NAME CLUSTER AUTHINFO NAMESPACE
* kind-osmkub kind-osmkub kind-osmkub
$ podman ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
$ podman ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
60c8ec5cd33a docker.io/kindest/node@sha256:f226345927d7e348497136874b6d207e0b32cc52154ad8323129352923a3142f 45 hours ago Exited (137) 42 hours ago 127.0.0.1:6443->6443/tcp, 127.0.0.1:8080->8080/tcp osmkub-control-plane
$ podman start 60c8ec5cd33a
60c8ec5cd33a
$ podman ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
60c8ec5cd33a docker.io/kindest/node@sha256:f226345927d7e348497136874b6d207e0b32cc52154ad8323129352923a3142f 45 hours ago Up 36 seconds 127.0.0.1:6443->6443/tcp, 127.0.0.1:8080->8080/tcp osmkub-control-plane
$ kubectl cluster-info --context kind-osmkub
Kubernetes control plane is running at https://127.0.0.1:6443
CoreDNS is running at https://127.0.0.1:6443/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy
To further debug and diagnose cluster problems, use 'kubectl cluster-info dump'.
$ ss -l --tcp |grep 6443
LISTEN 0 4096 127.0.0.1:6443 0.0.0.0:*
Copy containers.conf and storage.conf from /usr/share Modify them with /data/kubernetes
offline
docker pull kindest/node:v1.17.0@sha256:9512edae126da271b66b990b6fff768fbb7cd786c7d39e86bdf55906352fdf62
docker save kindest/node:v1.17.0@sha256:9512edae126da271b66b990b6fff768fbb7cd786c7d39e86bdf55906352fdf62 | gzip > /datas/kubernetes/kind.v1.17.0.tar.gz
docker load -i kind.v1.17.0.tar.gz
docker image tag kindest/node:v1.17.0@sha256:9512edae126da271b66b990b6fff768fbb7cd786c7d39e86bdf55906352fdf62 kindest/node:v1.17.0
docker image ls kindest/node