// ServiceUpdate updates the service attributes, including charm URL,
// minimum number of units, settings and constraints.
// TODO(frankban) deprecate redundant API calls that this supercedes.
func (c *Client) ServiceUpdate(args params.ServiceUpdate) error {
if c.BestAPIVersion() < 2 {
return base.OldAgentError("ServiceUpdate", "2.0")
}
return c.FacadeCall("ServiceUpdate", args, nil)
}
// ServiceSetCharm sets the charm for a given service.
func (c *Client) ServiceSetCharm(serviceName string, charmUrl string, forceSeries, forceUnits bool) error {
if c.BestAPIVersion() < 2 {
return base.OldAgentError("ServiceSetCharm", "2.0")
}
args := params.ServiceSetCharm{
ServiceName: serviceName,
CharmUrl: charmUrl,
ForceSeries: forceSeries,
ForceUnits: forceUnits,
}
return c.FacadeCall("ServiceSetCharm", args, nil)
}
// ServiceGetCharmURL returns the charm URL the given service is
// running at present.
func (c *Client) ServiceGetCharmURL(serviceName string) (*charm.URL, error) {
if c.BestAPIVersion() < 2 {
return nil, base.OldAgentError("ServiceGetCharmURL", "2.0")
}
result := new(params.StringResult)
args := params.ServiceGet{ServiceName: serviceName}
err := c.FacadeCall("ServiceGetCharmURL", args, result)
if err != nil {
return nil, err
}
if result.Error != nil {
return nil, result.Error
}
return charm.ParseURL(result.Result)
}