Add POST and DELETE in MetricReportDefinitions

Added POST action in MetricReportDefinitions node to allow user
to add new MetricReportDefinition. Using minimal set of
MetricReportDefinition paramete

Add POST and DELETE in MetricReportDefinitions

Added POST action in MetricReportDefinitions node to allow user
to add new MetricReportDefinition. Using minimal set of
MetricReportDefinition parameters from user bmcweb converts it to
DBus call "AddReport" to Telemetry that serves as a backend
for Redfish TelemetryService.
Added DELETE request in MetricReportDefinitions node to allow user
to remove report from Telemetry.
Added conversion from string that represents duration format into
its numeric equivalent.
Added unit tests for conversion from and to Duration format.

Tested:
- Tested using witherspoon image on QEMU
- Verified POST action in different cases:
- all parameters are provided, new report is added to collection
- some parameters are missing or invalid, user gets response with
description of the issue
- Verified that reports are removed on DELETE request
- Verified that on invalid DELETE request user receives response
with error
- Verified time_utils::fromDurationString()
- Succesfully passed RedfishServiceValidator.py

Signed-off-by: Wludzik, Jozef <jozef.wludzik@intel.com>
Signed-off-by: Krzysztof Grobelny <krzysztof.grobelny@intel.com>
Change-Id: I2fed96848594451e22fde686f8c066d7770cc65a

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Fix the build on clang-11

Clang tidy 11 got some really neat checks that do a much better job.
Unfortunately, this, combined with the change in how std::executors has
defined how callbacks should wo

Fix the build on clang-11

Clang tidy 11 got some really neat checks that do a much better job.
Unfortunately, this, combined with the change in how std::executors has
defined how callbacks should work differently in the past, which we
picked up in 1.73, and now in theory we have recursion in a bunch of our
IO loops that we have to break manually. In practice, this is unlikely
to matter, as there's almost a 0% chance that we go through N thousand
requests without ever starving the IO buffer.

Other changes to make this build include:
1. Adding inline on the appropriate places where declared in a header.
2. Removing an Openssl call that did nothing, as the result was
immediately overwritten.
3. Declaring the subproject dependencies as system dependencies, which
silences the clang-tidy checks for those projects.

Tested:
Code builds again, clang-tidy passes

Signed-off-by: Ed Tanous <edtanous@google.com>
Change-Id: Ic11b1002408e8ac19a17a955e9477cac6e0d7504

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Redfish TelemetryService schema implementation

Now user is able to communicate with Telemetry service using Redfish.
Added TelemetryService, MetricReports, MetricReportCollection,
MetricReportDefini

Redfish TelemetryService schema implementation

Now user is able to communicate with Telemetry service using Redfish.
Added TelemetryService, MetricReports, MetricReportCollection,
MetricReportDefinition and MetricReportDefinitionCollection nodes
with GET method support. Added TelemetryService URI to root service.
Implemented communication with backend - Telemetry:
https://github.com/openbmc/telemetry

Added schemes attributes that are supported by Telemetry service
design, ref.:
https://github.com/openbmc/docs/blob/master/designs/telemetry.md

Change introduces function that converts decimal value into
duration format that is described by ISO 8601 and Redfish
specification.

Tested:
- Tested using romulus and s2600wf images on QEMU
- Verified DBus method calls to Telemetry service from bmcweb
- Verified bmcweb responses from new nodes in different cases:
- Report collection is empty
- Report collection is filled with artificial data
- Telemetry service is disabled
- Verified time_utils::toDurationString() output
- Passed RedfishServiceValidator.py

Signed-off-by: Wludzik, Jozef <jozef.wludzik@intel.com>
Signed-off-by: Adrian Ambrożewicz <adrian.ambrozewicz@linux.intel.com>
Signed-off-by: Krzysztof Grobelny <krzysztof.grobelny@intel.com>
Change-Id: Ie6b0b49f4ef5eeaef07d1209b6c349270c04d570

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