Add average calculation for allocated costs and metrics optionally in chargeback #15565
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lpichler
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this parameter is for determination which method will be used for calculation. We can use average or maximum,
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@miq-bot remove_label wip |
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Checked commits lpichler/manageiq@529b0cd~...02a9a47 with ruby 2.2.6, rubocop 0.47.1, and haml-lint 0.20.0 |
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@lpichler @gtanzillo could you confirm this will work only with Allocation? |
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@lpichler btw, 20 days * 24 hours * 2 CPU = 1200.0 is wrong, it is 960 :) |
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@miq-bot assign @gtanzillo
How are metrics calculated?
let's take requested calculation
10 days x 24 Hours x 1 CPU x $1/CPU/Hour +20 days x 24 Hours x 2 CPU x 1 CPU x $1/CPU/Hour =$240 + $960 = $1200(10*24*1*1) + (20*24*2*1) = $1200Inputs
Calculation with using average
first, calculate AVG of CPU allocated metrics:
10 days * 24 hours * 1 CPU = 240
20 days * 24 hours * 2 CPU = 1200.0
and in 30 days we have 720 hours
together average is : (240 + 1200) / 720 = 1.6666666666666667
so it means that average of allocated CPUs is 1.6666666666666667 each day.
also, the value 1.67(depends on rounding) will be displayed on the monthly report in column ' vCPUs Allocated over Time Period'
and cost for the month (in a monthly report):
1.66...7 * 24 * 30 = $1200
the average is calculated on the related interval, so weekly it would be:
week:
AVG: 7 days with 1 CPU so AVG is 1 CPU
COST: 1 * 24 * 7 = $168
week:
AVG: 3 days with 1 CPU and 4 days with 2 CPU, so (3 * 1 + 4 * 2) / 7 = 1,5714285714
COST: 1,5714285714 * 24 * 7 = $263,9999999952
week:
AVG: 7 days with 2 CPU so AVG is 2 CPU
COST: 2 * 24 * 7 = $ 336
....
Calculation with using maximum
first, calculate MAX of CPU allocated metrics:
and it is 2 CPUs.
also, the value 2 will be displayed on the monthly report in column
vCPUs Allocated over Time Periodand cost for the month (in a monthly report):
2 * 24 * 30 = $1440