install and configure docker
curl -sSL https://get.docker.io | bash
mkdir -p /etc/systemd/system/docker.service.d
tee /etc/systemd/system/docker.service.d/kolla.conf <<-'EOF'
[Service]
MountFlags=shared
EOF
systemctl daemon-reload
systemctl restart docker
start local registry
docker run -d -p 4000:5000 --restart=always --name registry registry:2
install kolla and pull image from docker hub
yum install -y epel-release
yum install -y python-pip
yum install -y vim wget
pip install -U pip
yum install -y ansible
pip install kolla
cp -r /usr/share/kolla/etc_examples/kolla /etc/
kolla-ansible pull
push kolla images to local registry
# push all image to local registry, e.g.:
# docker tag kolla/centos-binary-heat-api:3.0.1 \
# localhost:4000/kolla/centos-binary-heat-api:3.0.1
# docker push localhost:4000/kolla/centos-binary-heat-api:3.0.1
docker images | grep kolla | grep -v local | awk '{print $1,$2}' | while read -r image tag; do
docker tag ${image}:${tag} localhost:4000/${image}:${tag}
docker push localhost:4000/${image}:${tag}
done
install and configure docker
curl -sSL https://get.docker.io | bash
echo 'INSECURE_REGISTRY="--insecure-registry 192.168.122.71:4000"' > /etc/sysconfig/docker
tee /etc/systemd/system/docker.service <<-'EOF'
# CentOS
[Service]
MountFlags=shared
EnvironmentFile=/etc/sysconfig/docker
ExecStart=/usr/bin/docker daemon $INSECURE_REGISTRY
EOF
systemctl daemon-reload
systemctl restart docker
try to pull a kolla image from local registry
docker pull kolla/centos-binary-kolla-toolbox:3.0.1
list local images
docker images
What are the advantage of maintaining local copy of registry? Just to save cost of bandwidth or are there any bigger advantage here?