Add fedora coreos cluster template to contributor docs
+ Fedora coreos cluster template + Steps to cread Fedora Atomic 27 image + Deprecation notice for CoreOS, Fedora Atomic Change-Id: I381c4d5dbcd0c920a41040f6d5fec341144c05f0changes/57/743857/2
Simon Merrick
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00727ef980
commit
38c288307e
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@ -65,5 +65,8 @@ etc/magnum/magnum.conf.sample
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# generated policy file
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etc/magnum/policy.yaml.sample
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# generated files from doc build
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doc/source/_static/
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# Files created by releasenotes build
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releasenotes/build
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@ -256,27 +256,32 @@ For example::
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104.20.64.68
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104.20.65.68
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Building a Kubernetes Cluster - Based on Fedora Atomic
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Building a Kubernetes Cluster - Based on Fedora CoreOS
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======================================================
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Create a ClusterTemplate. This is similar in nature to a flavor and describes
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Create a cluster template. This is similar in nature to a flavor and describes
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to magnum how to construct the cluster. The ClusterTemplate specifies a Fedora
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Atomic image so the clusters which use this ClusterTemplate will be based on
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Fedora Atomic::
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CoreOS image so the clusters which use this ClusterTemplate will be based on
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Fedora CoreOS
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\
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::
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openstack coe cluster template create k8s-cluster-template \
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--image Fedora-Atomic-27-20180419.0.x86_64 \
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--keypair testkey \
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--external-network public \
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--dns-nameserver 8.8.8.8 \
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--flavor m1.small \
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--docker-volume-size 5 \
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--network-driver flannel \
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--coe kubernetes
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--image fedora-coreos-31.20200323.3.2-openstack.x86_64 \
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--keypair testkey \
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--external-network public \
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--dns-nameserver 8.8.8.8 \
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--flavor ds1G \
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--master-flavor ds2G \
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--docker-volume-size 5 \
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--network-driver flannel \
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--docker-storage-driver overlay2 \
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--coe kubernetes
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Create a cluster. Use the ClusterTemplate name as a template for cluster
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creation. This cluster will result in one master kubernetes node and one minion
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node::
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node
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::
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openstack coe cluster create k8s-cluster \
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--cluster-template k8s-cluster-template \
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@ -339,11 +344,64 @@ Monitoring cluster status in detail (e.g., creating, updating)::
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echo ${CLUSTER_HEAT_NAME}
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openstack stack resource list ${CLUSTER_HEAT_NAME}
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Building a Kubernetes Cluster - Based on CoreOS
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===============================================
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Building a Kubernetes Cluster - Based on Fedora Atomic [DEPRECATED]
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===================================================================
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`Fedora Atomic Deprecation Notice <https://docs.fedoraproject.org/en-US/fedora-coreos/faq/#_does_fedora_coreos_replace_fedora_atomic_host_what_happens_to_fedora_atomic_host_and_centos_atomic_host>`_:
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Fedora CoreOS is the official successor to Fedora Atomic Host. The last
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Fedora Atomic Host release was version 29, which has now reached
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end-of-life.
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When building devstack from master, the Fedora atomic image is no longer
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created for us by default. We will need to create an image ourselves.
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::
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wget https://dl.fedoraproject.org/pub/alt/atomic/stable/Fedora-Atomic-27-20180419.0/CloudImages/x86_64/images/Fedora-Atomic-27-20180419.0.x86_64.qcow2
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openstack image create Fedora-Atomic-27-20180419.0.x86_64 \
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--public \
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--disk-format=qcow2 \
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--container-format=bare \
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--property os_distro=fedora-atomic \
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--file=Fedora-Atomic-27-20180419.0.x86_64.qcow2
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Create a ClusterTemplate. This is similar in nature to a flavor and describes
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to magnum how to construct the cluster. The ClusterTemplate specifies a Fedora
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Atomic image so the clusters which use this ClusterTemplate will be based on
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Fedora Atomic
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::
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openstack coe cluster template create k8s-cluster-template \
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--image Fedora-Atomic-27-20180419.0.x86_64 \
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--keypair testkey \
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--external-network public \
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--dns-nameserver 8.8.8.8 \
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--flavor m1.small \
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--docker-volume-size 5 \
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--network-driver flannel \
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--coe kubernetes
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Create a cluster. Use the ClusterTemplate name as a template for cluster
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creation. This cluster will result in one master kubernetes node and one minion
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node::
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openstack coe cluster create k8s-cluster \
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--cluster-template k8s-cluster-template \
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--node-count 1
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Building a Kubernetes Cluster - Based on CoreOS [DEPRECATED]
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============================================================
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`End-of-life announcement for CoreOS Container Linux <https://coreos.com/os/eol/>`_:
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On May 26, 2020, CoreOS Container Linux will reach its end of life and will
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no longer receive updates. We strongly recommend that users begin migrating
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their workloads to another operating system as soon as possible. [...]
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Fedora CoreOS is the official successor to CoreOS Container Linux
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You can create a Kubernetes cluster based on CoreOS as an alternative to
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Atomic. First, download the official CoreOS image::
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Atomic or Fedora CoreOS. First, download the official CoreOS image::
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wget http://beta.release.core-os.net/amd64-usr/current/coreos_production_openstack_image.img.bz2
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bunzip2 coreos_production_openstack_image.img.bz2
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