955deeda41
Now it's possible to use hyperkube Docker image to extract hyperkube binary.
Use case for this feature is kubelet/kubectl delivery in one binary(hyperkube)
which is built into Docker image. Promenade will extract hyperkube from Docker image,
create symlinks for kubelet/kubectl pointed to hyperkube. To do so promenade container
need to be configured to use Docker on the host where this container will be created.
This is happening only for script generation for genesis node. Later when promenade
will be started as a service pod inside ucp cluster it will generate scripts for joining nodes
by using cached hyperkube from /tmp.
Old way to delivery kubelet from tarball is still supported.
Configuration for the new method.
Need to export environment variables to properly configure Docker in Docker.
Docker socket should be provided as a mounted file inside promenade.
Also need to set temporary permissions for this socket during the build scripts stage.
Example:
DOCKER_SOCK="/var/run/docker.sock"
sudo chmod o+rw $DOCKER_SOCK
export DOCKER_HOST="unix:/${DOCKER_SOCK}"
export PROMENADE_TMP="abs_path_tmp_dir_on_host"
export PROMENADE_TMP_LOCAL="tmp_dir_inside_container"
After genesis scripts generation Docker socket permission should be turned back:
sudo chmod o-rw $DOCKER_SOCK
Change-Id: Ida22ea934fc551fec34df162d8147c8b9e630330
86 lines
3.3 KiB
YAML
86 lines
3.3 KiB
YAML
---
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schema: promenade/HostSystem/v1
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metadata:
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schema: metadata/Document/v1
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name: host-system
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layeringDefinition:
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abstract: false
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layer: site
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storagePolicy: cleartext
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data:
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files:
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# NOTE(mark-burnett): A kubelet would be required for a real deployment
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# (either here or via debian package; however, these unit tests don't
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# attempt to actually run Kubernetes, only to construct the genesis and
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# join scripts.
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# - path: /opt/kubernetes/bin/kubelet
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# tar_url: https://dl.k8s.io/v1.11.6/kubernetes-node-linux-amd64.tar.gz
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# tar_path: kubernetes/node/bin/kubelet
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# mode: 0555
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- path: /etc/logrotate.d/json-logrotate
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mode: 0444
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content: |-
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/var/lib/docker/containers/*/*-json.log
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{
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compress
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copytruncate
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create 0644 root root
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daily
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dateext
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dateformat -%Y%m%d-%s
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maxsize 10M
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missingok
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notifempty
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su root root
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rotate 1
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}
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images:
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monitoring_image: &busybox busybox:1.28.3
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haproxy: haproxy:1.8.3
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helm:
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helm: lachlanevenson/k8s-helm:v2.14.0
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packages:
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repositories:
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- deb http://apt.dockerproject.org/repo ubuntu-xenial main
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keys:
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- |-
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TvBR8Q==
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=Fm3p
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-----END PGP PUBLIC KEY BLOCK-----
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additional:
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- curl
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- jq
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required:
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docker: docker-engine=1.13.1-0~ubuntu-xenial
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socat: socat=1.7.3.1-1
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validation:
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pod_logs:
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image: *busybox
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...
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