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Support deferred job start time #1013

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Support deferred job start time #1013

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Commits on Oct 10, 2023

  1. policies: add deferred_orelse_reserve 

    For upcoming Fluxion use cases users will need the capability to request
a deferred allocation. The desired behavior is equivalent to match
allocate_orelse_reserve, but with a request time in the future.

Add DEFERRED_ORELSE_RESERVE match_op_t to provide the needed type.
    @milroy
    milroy committed Oct 10, 2023
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  2. traversers: read deferred_start time 

    Problem: the user needs to set an optional key "deferred_start" in their
jobspec to specify the earliest time at which the job should start.

Add capability in jobspec build function to find the optional key and
set the job "at" time to the user provided value.
    @milroy
    milroy committed Oct 10, 2023
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  3. traversers: add DEFERRED_ORELSE_RESERVE case 

    The DEFERRED_ORELSE_RESERVE case should behave exactly like
MATCH_ALLOCATE_ORELSE_RESERVE with an "at" time set in the future.

Add a "fall through" case for DEFERRED_ORELSE_RESERVE so that it
executes the logic of MATCH_ALLOCATE_ORELSE_RESERVE.
    @milroy
    milroy committed Oct 10, 2023
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  4. modules: add deferred_orelse_reserve 

    The resource_match module needs to support deferred_orelse_reserve.

Add a new conditional check for the "deferred_orelse_reserve" command.
    @milroy
    milroy committed Oct 10, 2023
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  5. scripts: add deferred_orelse_reserve to flux-ion-resource 

    Add functions and parsing for deferred_orelse_reserve RPCs and actions
in flux-ion-resource.
    @milroy
    milroy committed Oct 10, 2023
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  6. resource-query: add deferred_orelse_reserve support 

    Add functions, command parsing, and help string for
deferred_orelse_reserve in resource-query.
    @milroy
    milroy committed Oct 10, 2023
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  7. testsuite: add tests, commands, outputs for deferred_orelse_reserve

    @milroy
    milroy committed Oct 10, 2023
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