alban

Content

alban

3 bpf
3 brk
3 dup
3 ipc
3 mpx
3 tee
4 acct
4 bind
4 dup2
4 dup3

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[alban@neptune minikube]$ make out/minikube.iso
docker run --rm --workdir /mnt --volume /home/alban/go/src/github.com/kubernetes/minikube:/mnt  \
	--user 1000:1000 --env HOME=/tmp --env IN_DOCKER=1 \
	gcr.io/k8s-minikube/buildroot-image /usr/bin/make out/minikube.iso
/usr/bin/make minikube_iso
make[1]: Entering directory '/mnt'
echo v1.12.0 > deploy/iso/minikube-iso/board/coreos/minikube/rootfs-overlay/etc/VERSION
if [ ! -d ./out/buildroot ]; then \
	mkdir -p ./out; \
	git clone --depth=1 --branch=2019.02.11 https://github.com/buildroot/buildroot ./out/buildroot; \

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variable "worker_names" {
  type = "list"
}

#   worker_names = [
#    "w1",
#    "w2",
#    "w3",
#  ]

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Apply complete! Resources: 118 added, 0 changed, 0 destroyed.

Your configurations are stored in /home/alban/lokoctl-assets/albandemoedge

Now checking health and readiness of the cluster nodes ...
FATA[0558] Verify cluster installation: not all nodes became ready within the allowed time  args="[]" command="lokoctl cluster install"
[alban@neptune albandemoedge]$ echo $?
1
[alban@neptune albandemoedge]$ kubectl get node --kubeconfig=/home/alban/lokoctl-assets/albandemoedge/cluster-assets/auth/kubeconfig
NAME        STATUS   ROLES    AGE    VERSION

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$ docker ps -a|grep calico/cni
82a7c635d14a        calico/cni             "/install-cni.sh"         39 minutes ago       Exited (0) 39 minutes ago                         k8s_install-cni_calico-node-tsnzj_kube-system_1f519186-b756-4eb8-868f-bce98d27dbfc_0

$ docker logs 82a7c635d14a
ls: cannot access '/calico-secrets': No such file or directory
Wrote Calico CNI binaries to /host/opt/cni/bin
CNI plugin version: v3.12.0
/host/secondary-bin-dir is non-writeable, skipping
Using CNI config template from CNI_NETWORK_CONFIG environment variable.
CNI config: {

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# -*- mode: ruby -*-
# vi: set ft=ruby sw=2 ts=2 :

ENV["TERM"] = "xterm-256color"
ENV["LC_ALL"] = "en_US.UTF-8"

Vagrant.configure("2") do |config|
  config.vm.box = "fedora/29-cloud-base" # defaults to fedora
  config.vm.synced_folder ".", "/vagrant", type: "sshfs"
  config.vm.synced_folder "/home/alban/go", "/go", type: "sshfs"

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To enable cgroup-v2 in a Kubernetes cluster.

To enable the hybrid mode on Flatcar Linux:

• sudo vi /usr/share/oem/grub.cfg
• set linux_append="...... systemd.unified_cgroup_hierarchy=false systemd.legacy_systemd_cgroup_controller=false"
• sudo reboot

To enable this in Docker:

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asciinema2gif ()
{ 
    SRC=$1;
    DST=$2;
    SRC_DIR=$(realpath $(dirname $SRC));
    SRC_FILE=$(basename $SRC);
    DST_DIR=$(realpath $(dirname $DST));
    DST_FILE=$(basename $DST);
    sudo docker run --rm -v ${SRC_DIR}:/data -v ${DST_DIR}:/out asciinema/asciicast2gif /data/${SRC_FILE} /out/$DST_FILE;
    sudo chown $UID:$UID ${DST}

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#!/bin/bash

COUNTER=0.00
OLDCMDLINE=0
NEWCMDLINE=0
while read -r LINE ; do
  if [[ ! $LINE =~ ^\[ ]]; then
    #echo "$LINE"
    echo '{"version": 2, "width": 80, "height": 25, "timestamp": 1600000000, "env": {"SHELL": "/bin/bash", "TERM": "xterm-256color"}}'
    continue