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sandervanvugt 2023-01-26 09:09:21 +01:00
parent 4f9d4c369d
commit 6e59d31aea
2 changed files with 100 additions and 40 deletions
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90
setup-container-old.sh Executable file
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@ -0,0 +1,90 @@
#!/bin/bash
# script that runs
# https://kubernetes.io/docs/setup/production-environment/container-runtime
# setting MYOS variable
MYOS=$(hostnamectl | awk '/Operating/ { print $3 }')
OSVERSION=$(hostnamectl | awk '/Operating/ { print $4 }')
##### CentOS 7 config
if [ $MYOS = "CentOS" ]
then
echo setting up CentOS 7 with Docker
yum install -y vim yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
# notice that only verified versions of Docker may be installed
# verify the documentation to check if a more recent version is available
yum install -y docker-ce
[ ! -d /etc/docker ] && mkdir /etc/docker
mkdir -p /etc/systemd/system/docker.service.d
cat > /etc/docker/daemon.json <<- EOF
{
"exec-opts": ["native.cgroupdriver=systemd"],
"log-driver": "json-file",
"log-opts": {
"max-size": "100m"
},
"storage-driver": "overlay2",
"storage-opts": [
"overlay2.override_kernel_check=true"
]
}
EOF
systemctl daemon-reload
systemctl restart docker
systemctl enable docker
systemctl disable --now firewalld
fi
echo printing MYOS $MYOS
if [ $MYOS = "Ubuntu" ]
then
### setting up container runtime prereq
cat <<- EOF | sudo tee /etc/modules-load.d/containerd.conf
overlay
br_netfilter
EOF
sudo modprobe overlay
sudo modprobe br_netfilter
# Setup required sysctl params, these persist across reboots.
cat <<- EOF | sudo tee /etc/sysctl.d/99-kubernetes-cri.conf
net.bridge.bridge-nf-call-iptables = 1
net.ipv4.ip_forward = 1
net.bridge.bridge-nf-call-ip6tables = 1
EOF
# Apply sysctl params without reboot
sudo sysctl --system
# (Install containerd)
sudo apt-get update && sudo apt-get install -y containerd
# Configure containerd
sudo mkdir -p /etc/containerd
cat <<- TOML | sudo tee /etc/containerd/config.toml
version = 2
[plugins]
[plugins."io.containerd.grpc.v1.cri"]
[plugins."io.containerd.grpc.v1.cri".containerd]
discard_unpacked_layers = true
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes]
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
runtime_type = "io.containerd.runc.v2"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
SystemdCgroup = true
TOML
# Restart containerd
sudo systemctl restart containerd
fi

50
setup-container.sh
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@ -6,46 +6,6 @@
MYOS=$(hostnamectl | awk '/Operating/ { print $3 }') MYOS=$(hostnamectl | awk '/Operating/ { print $3 }')
OSVERSION=$(hostnamectl | awk '/Operating/ { print $4 }') OSVERSION=$(hostnamectl | awk '/Operating/ { print $4 }')
##### CentOS 7 config
if [ $MYOS = "CentOS" ]
then
echo setting up CentOS 7 with Docker
yum install -y vim yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
# notice that only verified versions of Docker may be installed
# verify the documentation to check if a more recent version is available
yum install -y docker-ce
[ ! -d /etc/docker ] && mkdir /etc/docker
mkdir -p /etc/systemd/system/docker.service.d
cat > /etc/docker/daemon.json <<- EOF
{
"exec-opts": ["native.cgroupdriver=systemd"],
"log-driver": "json-file",
"log-opts": {
"max-size": "100m"
},
"storage-driver": "overlay2",
"storage-opts": [
"overlay2.override_kernel_check=true"
]
}
EOF
systemctl daemon-reload
systemctl restart docker
systemctl enable docker
systemctl disable --now firewalld
fi
echo printing MYOS $MYOS
if [ $MYOS = "Ubuntu" ] if [ $MYOS = "Ubuntu" ]
then then
### setting up container runtime prereq ### setting up container runtime prereq
@ -68,7 +28,17 @@ then
sudo sysctl --system sudo sysctl --system
# (Install containerd) # (Install containerd)
sudo apt-get update && sudo apt-get install -y containerd sudo apt-get update && sudo apt-get install -y containerd
# hopefully temporary bugfix as the containerd version provided in Ubu repo is tool old
# added Jan 26th 2023
# this needs to be updated when a recent enough containerd version will be in Ubuntu repos
sudo systemctl stop containerd
# cleanup old files from previous attempt if existing
[ -d bin ] && rm -rf bin
wget https://github.com/containerd/containerd/releases/download/v1.6.15/containerd-1.6.15-linux-amd64.tar.gz
tar xvf containerd-1.6.15-linux-amd64.tar.gz
sudo mv bin/* /usr/bin/
# Configure containerd # Configure containerd
sudo mkdir -p /etc/containerd sudo mkdir -p /etc/containerd
cat <<- TOML | sudo tee /etc/containerd/config.toml cat <<- TOML | sudo tee /etc/containerd/config.toml