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Add Docker caching support to CoreOS' clusters.
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    a more idiomatic take on kubernetes#4378. as a bonus, and to be nice on
    resources, an ultra lightweight docker-registry container is
    consumed.

Signed-off-by: António Meireles <antonio.meireles@reformi.st>
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AntonioMeireles committed Mar 13, 2015
1 parent 39dceb1 commit d6be298
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Showing 5 changed files with 106 additions and 40 deletions.
33 changes: 33 additions & 0 deletions docs/getting-started-guides/aws/cloud-configs/master.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -104,6 +104,39 @@ coreos:
ExecStartPre=/usr/bin/chmod +x /opt/bin/flanneld
ExecStartPre=-/usr/bin/etcdctl mk /coreos.com/network/config '{"Network":"10.244.0.0/16", "Backend": {"Type": "vxlan"}}'
ExecStart=/opt/bin/flanneld
- name: docker-cache.service
command: start
content: |
[Unit]
Description=Docker cache proxy
Requires=early-docker.service
After=early-docker.service
Before=early-docker.target
[Service]
Restart=always
TimeoutStartSec=0
RestartSec=5
Environment="TMPDIR=/var/tmp/"
Environment="DOCKER_HOST=unix:///var/run/early-docker.sock"
ExecStartPre=-/usr/bin/docker kill docker-registry
ExecStartPre=-/usr/bin/docker rm docker-registry
ExecStartPre=/usr/bin/docker pull quay.io/devops/docker-registry:latest
ExecStart=/usr/bin/docker run --rm --net host --name docker-registry \
-e STANDALONE=false \
-e MIRROR_SOURCE=https://registry-1.docker.io \
-e MIRROR_SOURCE_INDEX=https://index.docker.io \
-e MIRROR_TAGS_CACHE_TTL=1800 \
quay.io/devops/docker-registry:latest
- name: docker.service
drop-ins:
- name: 51-docker-mirror.conf
content: |
[Unit]
Requires=docker-cache.service
After=docker-cache.service
[Service]
Environment=DOCKER_OPTS='--registry-mirror=http://$private_ipv4:5000'
- name: kube-apiserver.service
command: start
content: |
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19 changes: 5 additions & 14 deletions docs/getting-started-guides/aws/cloud-configs/node.yaml
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Expand Up @@ -34,20 +34,11 @@ coreos:
ExecStart=/opt/bin/flanneld -etcd-endpoints http://<master-private-ip>:4001
- name: docker.service
command: start
content: |
[Unit]
After=flannel.service
Wants=flannel.service
Description=Docker Application Container Engine
Documentation=http://docs.docker.io
[Service]
EnvironmentFile=/run/flannel/subnet.env
ExecStartPre=/bin/mount --make-rprivate /
ExecStart=/usr/bin/docker -d --bip=${FLANNEL_SUBNET} --mtu=${FLANNEL_MTU} -s=overlay -H fd://
[Install]
WantedBy=multi-user.target
drop-ins:
- name: 51-docker-mirror.conf
content: |
[Service]
Environment=DOCKER_OPTS='--registry-mirror=http://<master-private-ip>:5000'
- name: setup-network-environment.service
command: start
content: |
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33 changes: 33 additions & 0 deletions docs/getting-started-guides/coreos/cloud-configs/master.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -104,6 +104,39 @@ coreos:
ExecStartPre=/usr/bin/chmod +x /opt/bin/flanneld
ExecStartPre=-/usr/bin/etcdctl mk /coreos.com/network/config '{"Network":"10.244.0.0/16", "Backend": {"Type": "vxlan"}}'
ExecStart=/opt/bin/flanneld
- name: docker-cache.service
command: start
content: |
[Unit]
Description=Docker cache proxy
Requires=early-docker.service
After=early-docker.service
Before=early-docker.target
[Service]
Restart=always
TimeoutStartSec=0
RestartSec=5
Environment="TMPDIR=/var/tmp/"
Environment="DOCKER_HOST=unix:///var/run/early-docker.sock"
ExecStartPre=-/usr/bin/docker kill docker-registry
ExecStartPre=-/usr/bin/docker rm docker-registry
ExecStartPre=/usr/bin/docker pull quay.io/devops/docker-registry:latest
ExecStart=/usr/bin/docker run --rm --net host --name docker-registry \
-e STANDALONE=false \
-e MIRROR_SOURCE=https://registry-1.docker.io \
-e MIRROR_SOURCE_INDEX=https://index.docker.io \
-e MIRROR_TAGS_CACHE_TTL=1800 \
quay.io/devops/docker-registry:latest
- name: docker.service
drop-ins:
- name: 51-docker-mirror.conf
content: |
[Unit]
Requires=docker-cache.service
After=docker-cache.service
[Service]
Environment=DOCKER_OPTS='--registry-mirror=http://$private_ipv4:5000'
- name: kube-apiserver.service
command: start
content: |
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21 changes: 6 additions & 15 deletions docs/getting-started-guides/coreos/cloud-configs/node.yaml
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Expand Up @@ -22,7 +22,7 @@ coreos:
command: start
content: |
[Unit]
After=network-online.target
After=network-online.target
Wants=network-online.target
Description=flannel is an etcd backed overlay network for containers
Expand All @@ -34,20 +34,11 @@ coreos:
ExecStart=/opt/bin/flanneld -etcd-endpoints http://<master-private-ip>:4001
- name: docker.service
command: start
content: |
[Unit]
After=flannel.service
Wants=flannel.service
Description=Docker Application Container Engine
Documentation=http://docs.docker.io
[Service]
EnvironmentFile=/run/flannel/subnet.env
ExecStartPre=/bin/mount --make-rprivate /
ExecStart=/usr/bin/docker -d --bip=${FLANNEL_SUBNET} --mtu=${FLANNEL_MTU} -s=overlay -H fd://
[Install]
WantedBy=multi-user.target
drop-ins:
- name: 51-docker-mirror.conf
content: |
[Service]
Environment=DOCKER_OPTS='--registry-mirror=http://<master-private-ip>:5000'
- name: setup-network-environment.service
command: start
content: |
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40 changes: 29 additions & 11 deletions docs/getting-started-guides/coreos/cloud-configs/standalone.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -49,22 +49,40 @@ coreos:
ExecStartPre=/usr/bin/chmod +x /opt/bin/flanneld
ExecStartPre=-/usr/bin/etcdctl mk /coreos.com/network/config '{"Network":"10.244.0.0/16", "Backend": {"Type": "vxlan"}}'
ExecStart=/opt/bin/flanneld
- name: docker.service
- name: docker-cache.service
command: start
content: |
[Unit]
After=flannel.service
Wants=flannel.service
Description=Docker Application Container Engine
Documentation=http://docs.docker.io
Description=Docker cache proxy
Requires=early-docker.service
After=early-docker.service
Before=early-docker.target
[Service]
EnvironmentFile=/run/flannel/subnet.env
ExecStartPre=/bin/mount --make-rprivate /
ExecStart=/usr/bin/docker -d --bip=${FLANNEL_SUBNET} --mtu=${FLANNEL_MTU} -s=overlay -H fd://
[Install]
WantedBy=multi-user.target
Restart=always
TimeoutStartSec=0
RestartSec=5
Environment="TMPDIR=/var/tmp/"
Environment="DOCKER_HOST=unix:///var/run/early-docker.sock"
ExecStartPre=-/usr/bin/docker kill docker-registry
ExecStartPre=-/usr/bin/docker rm docker-registry
ExecStartPre=/usr/bin/docker pull quay.io/devops/docker-registry:latest
ExecStart=/usr/bin/docker run --rm --net host --name docker-registry \
-e STANDALONE=false \
-e MIRROR_SOURCE=https://registry-1.docker.io \
-e MIRROR_SOURCE_INDEX=https://index.docker.io \
-e MIRROR_TAGS_CACHE_TTL=1800 \
quay.io/devops/docker-registry:latest
- name: docker.service
command: start
drop-ins:
- name: 51-docker-mirror.conf
content: |
[Unit]
Requires=docker-cache.service
After=docker-cache.service
[Service]
Environment=DOCKER_OPTS='--registry-mirror=http://$private_ipv4:5000'
- name: kube-apiserver.service
command: start
content: |
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