crimson/osd: extend OpsExecuter to carry about op effects.

[rzarzynski]

This commit brings a new infrastructural piece that will be needed by e.g. the watch/notify mechanism.

Signed-off-by: Radoslaw Zarzynski rzarzyns@redhat.com

Checklist

• References tracker ticket
• Updates documentation if necessary
• Includes tests for new functionality or reproducer for bug

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[tchaikov]

LGTM. could you run it through the CBT test?

[rzarzynski]

$ /work/cbt/compare.py -a /tmp/baseline -b /tmp/wip-crimson-op_effects/ -v
06:58:15 - DEBUG    - cbt      - Nodes : ubulap
06:58:15 - DEBUG    - cbt      - Nodes : ubulap
06:58:15 - DEBUG    - cbt      - Nodes : ubulap
06:58:15 - INFO     - cbt      - prefill/ubulap/0: latency_avg: (or (less) (near 0.05)):: 0.00544142/0.00628144  => accepted
06:58:15 - INFO     - cbt      - prefill/ubulap/0: bandwidth: (or (greater) (near 0.05)):: 11.4737/9.94873  => accepted
06:58:15 - INFO     - cbt      - prefill/ubulap/0: iops_avg: (or (greater) (near 0.05)):: 2937.0/2546.0  => accepted
06:58:15 - INFO     - cbt      - prefill/ubulap/0: iops_stddev: (or (less) (near 0.05)):: 53.9846/223.583  => accepted
06:58:15 - INFO     - cbt      - prefill/ubulap/1: latency_avg: (or (less) (near 0.05)):: 0.00536614/0.00631721  => accepted
06:58:15 - INFO     - cbt      - prefill/ubulap/1: bandwidth: (or (greater) (near 0.05)):: 11.6253/9.88365  => accepted
06:58:15 - INFO     - cbt      - prefill/ubulap/1: iops_avg: (or (greater) (near 0.05)):: 2976.0/2530.0  => accepted
06:58:15 - INFO     - cbt      - prefill/ubulap/1: iops_stddev: (or (less) (near 0.05)):: 41.5251/251.448  => accepted
06:58:15 - INFO     - cbt      - seq/ubulap/0: latency_avg: (or (less) (near 0.05)):: 0.000946638/0.000992531  => accepted
06:58:15 - INFO     - cbt      - seq/ubulap/0: bandwidth: (or (greater) (near 0.05)):: 64.0495/60.8442  => accepted
06:58:15 - INFO     - cbt      - seq/ubulap/0: iops_avg: (or (greater) (near 0.05)):: 16396.0/15576.0  => accepted
06:58:15 - INFO     - cbt      - seq/ubulap/0: iops_stddev: (or (less) (near 0.05)):: 0.0/0.0  => accepted
06:58:15 - INFO     - cbt      - seq/ubulap/1: latency_avg: (or (less) (near 0.05)):: 0.000893563/0.000999561  => accepted
06:58:15 - INFO     - cbt      - seq/ubulap/1: bandwidth: (or (greater) (near 0.05)):: 69.0809/61.8109  => accepted
06:58:15 - INFO     - cbt      - seq/ubulap/1: iops_avg: (or (greater) (near 0.05)):: 17684.0/15823.0  => accepted
06:58:15 - INFO     - cbt      - seq/ubulap/1: iops_stddev: (or (less) (near 0.05)):: 0.0/0.0  => accepted
06:58:15 - INFO     - cbt      - All 16 tests passed.