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WIP: docs: First attempt at describing the payload dependencies #135

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78 changes: 78 additions & 0 deletions docs/dev/dependencies
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# This file describes the known dependencies between components.
#
# The file is input to `digraph` and is of the form "node -> node"
# which defines an edge. Run the following to see the whole graph
#
# <docs/dev/dependencies grep -v '#' | digraph degree
#

# starts very early in order to boot machines
# needs credentials
machine-api-operator cloud-credential-operator

# needs APIs
operator-marketplace olm

# upgrades after kube
olm kube-apiserver-operator

# upgrades after kube
kube-controller-manager-operator kube-apiserver-operator
kube-scheduler-operator kube-apiserver-operator
openshift-apiserver-operator kube-apiserver-operator
openshift-controller-manager-operator kube-apiserver-operator

# upgrade after ? (or manage internally)
openshift-controller-manager-operator openshift-apiserver-operator

# needs to update OAuth
console-operator cluster-authentication-operator
# needs to create routes
console-operator cluster-ingress-operator

cluster-authentication-operator kube-apiserver-operator
# needs route keys to terminate TLS
cluster-authentication-operator cluster-ingress-operator

# needs image stream and templates API
cluster-samples-operator openshift-apiserver-operator

# may need cloud credentials ???
cluster-storage-operator kube-apiserver-operator

cluster-node-tuning-operator kube-apiserver-operator

cluster-monitoring-operator kube-apiserver-operator
# needs to create PVCs
cluster-monitoring-operator cluster-storage-operator

# ?
cluster-dns-operator cluster-network-operator

# needs machine API
cluster-autoscaler-operator machine-api-operator

# must install before everything beyond config
cluster-network-operator config-operator

# must install before everything
config-operator

# must install early
machine-approver

machine-config-operator

cluster-image-registry-operator kube-apiserver-operator
# needs credentials
cluster-image-registry-operator cloud-credential-operator
# uses service CAs
cluster-image-registry-operator service-ca-operator

cluster-ingress-operator kube-apiserver-operator
# uses service CAs
cluster-ingress-operator service-ca-operator

# needs kube
cluster-svcat-apiserver-operator kube-apiserver-operator
cluster-svcat-controller-manager-operator kube-apiserver-operator