Copyright © 2013 Zuse Institute Berlin
Version: $Id$
Authors: Ufuk Celebi (celebi@zib.de).
autoscale_error_resp() = {error, resp_timeout | autoscale_false}
activate_alarms/0 | Set all alarms to active. |
check_config/0 | Checks whether config parameters exist and are valid (requires a pull configuration, i.e. |
deactivate_alarms/0 | Set all alarms to inactive. |
lock_scale_req/0 | |
pull_scale_req/0 | Pull current scale request from autoscale leader. |
reset_plot_data/0 | |
toggle_alarm/1 | Toggle state of alarm Name from active to inactive and vice versa. |
unlock_scale_req/0 | |
write_plot_data/0 |
check_config() -> boolean()
Checks whether config parameters exist and are valid (requires a pull configuration, i.e. cloud_cps as cloud_module).
pull_scale_req() -> {ok, Req :: integer()} | autoscale_error_resp()
Pull current scale request from autoscale leader. If the request is not 0, further requests should be locked with lock_scale_req/0 until a unlock_scale_req/0 call has been made. Autoscale defines a timeout, after which the lock will be automatically freed, i.e. the caller has $timeout seconds to satisfy the request and notify autoscale by unlock_scale_req/0.
lock_scale_req() -> ok | {error, locked} | autoscale_error_resp()
unlock_scale_req() -> ok | {error, not_locked} | autoscale_error_resp()
toggle_alarm(Name :: atom()) -> {ok, {new_state, NewState :: active | inactive}} | {error, unknown_alarm | tx_fail} | autoscale_error_resp()
Toggle state of alarm Name from active to inactive and vice versa.
activate_alarms() -> ok | {error, tx_fail} | autoscale_error_resp()
Set all alarms to active.
deactivate_alarms() -> ok | {error, tx_fail} | autoscale_error_resp()
Set all alarms to inactive.
write_plot_data() -> ok | {error, mgmt_server_false | autoscale_server_false}
reset_plot_data() -> ok | {error, mgmt_server_false | autoscale_server_false}
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