// SetEnvironAgentVersion sets the environment agent version.
func (c *Client) SetEnvironAgentVersion(args params.SetEnvironAgentVersion) error {
if err := c.check.ChangeAllowed(); err != nil {
return errors.Trace(err)
}
// Before changing the agent version to trigger an upgrade or downgrade,
// we'll do a very basic check to ensure the
cfg, err := c.api.stateAccessor.EnvironConfig()
if err != nil {
return errors.Trace(err)
}
env, err := getEnvironment(cfg)
if err != nil {
return errors.Trace(err)
}
if err := environs.CheckProviderAPI(env); err != nil {
return err
}
return c.api.stateAccessor.SetEnvironAgentVersion(args.Version)
}
// SetModelAgentVersion sets the model agent version.
func (c *Client) SetModelAgentVersion(args params.SetModelAgentVersion) error {
if err := c.checkCanWrite(); err != nil {
return err
}
if err := c.check.ChangeAllowed(); err != nil {
return errors.Trace(err)
}
// Before changing the agent version to trigger an upgrade or downgrade,
// we'll do a very basic check to ensure the environment is accessible.
env, err := c.newEnviron()
if err != nil {
return errors.Trace(err)
}
if err := environs.CheckProviderAPI(env); err != nil {
return err
}
return c.api.stateAccessor.SetModelAgentVersion(args.Version)
}
