kubernetes
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it is a generic overlay network that can be used as a simple alternative to existing software defined networking solutions
Flannel is a virtual network that gives a subnet to each host for use with container runtimes.
This charm will deploy flannel as a background service, and configure CNI for use with flannel, on any principal charm that implements the kubernetes-cni interface.
kubernetes-cni
The flannel charm is a subordinate. This charm will require a principal charm that implements the kubernetes-cni interface in order to properly deploy.
juju deploy flannel juju deploy etcd juju deploy kubernetes-master juju deploy kubernetes-worker juju add-relation flannel etcd juju add-relation flannel kubernetes-master juju add-relation flannel kubernetes-worker
iface The interface to configure the flannel SDN binding. If this value is empty string or undefined the code will attempt to find the default network adapter similar to the following command:
route | grep default | head -n 1 | awk {'print $8'}
cidr The network range to configure the flannel SDN to declare when establishing networking setup with etcd. Ensure this network range is not active on the vlan you're deploying to, as it will cause collisions and odd behavior if care is not taken when selecting a good CIDR range to assign to flannel.
nagios_context A string that will be prepended to instance name to set the host name in nagios.If you're running multiple environments with the same services in them this allows you to differentiate between them. Used by the nrpe subordinate charm.
nagios_servicegroups The comma-separated list of servicegroups that the generated Nagios checks will belong to.
This subordinate does not support being co-located with other deployments of the flannel subordinate (to gain 2 vlans on a single application). If you require this support please file a bug.
This subordinate also leverages juju-resources, so it is currently only available on juju 2.0+ controllers.