def setup_riak():
ModelMeta.remove_all()
nodes = template.nodes_from('templates/riak_nodes.yaml')
riak_services = nodes.on_each(
'resources/riak_node',
args={
'riak_self_name': 'riak{num}',
'riak_hostname': 'riak_server{num}.solar',
'riak_name': 'riak{num}@riak_server{num}.solar',
}
)
slave_riak_services = riak_services.tail()
riak_services.take(0).connect_list(
slave_riak_services,
mapping={
'riak_name': 'join_to',
}
)
hosts_files = nodes.on_each('resources/hosts_file')
riak_services.connect_list_to_each(
hosts_files,
mapping={
'ip': 'hosts:ip',
'riak_hostname': 'hosts:name',
},
events=False
)
errors = resource.validate_resources()
for r, error in errors:
click.echo('ERROR: %s: %s' % (r.name, error))
if errors:
click.echo("ERRORS")
sys.exit(1)
hosts_files.add_deps('run/success', riak_services, 'run')
slave_riak_services.add_reacts('run/success', slave_riak_services, 'join')
slave_riak_services.add_reacts('leave/success', slave_riak_services, 'join')
slave_riak_services.add_react('run/success', riak_services.take(0), 'commit')
def setup_riak():
ModelMeta.remove_all()
nodes = template.nodes_from('templates/riak_nodes.yaml')
riak_services = nodes.on_each('resources/riak_node',
args={
'riak_self_name':
'riak{num}',
'riak_hostname':
'riak_server{num}.solar',
'riak_name':
'riak{num}@riak_server{num}.solar',
})
slave_riak_services = riak_services.tail()
riak_services.take(0).connect_list(slave_riak_services,
mapping={
'riak_name': 'join_to',
})
hosts_files = nodes.on_each('resources/hosts_file')
riak_services.connect_list_to_each(hosts_files,
mapping={
'ip': 'hosts:ip',
'riak_hostname': 'hosts:name',
},
events=False)
errors = resource.validate_resources()
for r, error in errors:
click.echo('ERROR: %s: %s' % (r.name, error))
if errors:
click.echo("ERRORS")
sys.exit(1)
hosts_files.add_deps('run/success', riak_services, 'run')
slave_riak_services.add_reacts('run/success', slave_riak_services, 'join')
slave_riak_services.add_reacts('leave/success', slave_riak_services,
'join')
slave_riak_services.add_react('run/success', riak_services.take(0),
'commit')
# WARNING: this might not be most up-to-date script and not all things might
# work here, for most up-to-date version see example-riaks.py
# This is just a demo of the template language of Solar
from solar.interfaces.db import get_db
from solar.core import signals
db = get_db()
db.clear()
signals.Connections.clear()
from solar import template
nodes = template.nodes_from('templates/riak_nodes.yml')
riak_services = nodes.on_each(
'resources/riak_node',
{
'riak_self_name': 'riak{num}',
'riak_hostname': 'riak_server{num}.solar',
'riak_name': 'riak{num}@riak_server{num}.solar',
})
slave_riak_services = riak_services.tail()
riak_services.take(0).connect_list(
slave_riak_services,
{
'riak_name': 'join_to',
