Assign device group to pipeline stage

[Steve-Mcl]

Description

General

Add support for setting a Device Group as the target of a pipeline execution

Adds through table PipelineStageDeviceGroups

Add unit tests

Pipelines API
  Create Pipeline Stage
    With device group
      ✔ Should create a pipeline stage
      Validates that the first stage cannot be a device group
        ✔ Rejects a pipeline stage if the device group is applied to the 1st stage
      Validates that a stage cannot be added after device group
        ✔ Rejects a pipeline stage if the device group is added where a device group already exists
    With both device and device group
      ✔ Rejects the request gracefully
    With both instance and device group
      ✔ Rejects the request gracefully
    With neither device, instance or device group
      ✔ Fails gracefully with a clear error
  Get Pipeline Stage
    ✔ Should return a single pipeline stage with a device group
  Update Pipeline Stage
    With a new name
      ✔ Should update a single pipeline stage with a new name (44ms)
    With a new device group
      ✔ Should unassign the old device group and assign the new one (62ms)
      ✔ Should require the device group to be part of the same application
      ✔ Should not be allowed to replace 1st stage
      ✔ Should not be allowed set a center stage as a device group (86ms)
  Delete Pipeline Stage
    ✔ should destroy the pipeline stage, but not touch the assigned device group
  Deploy Pipeline Stage
    For instance=>device group
      Copies the existing instance snapshot to the next stages device group
  List Application Pipelines
    ✔ should list all the pipelines within an application including stages, instances, devices and device groups

add e2e tests

FlowForge - Application - DevOps Pipelines
    ✔ cannot select device group in the first stage of a pipeline
    ✔ cannot add any more stages after a device group

Related Issue(s)

#2989

Checklist

• I have read the contribution guidelines
• Suitable unit/system level tests have been added and they pass
• Documentation has been updated
  • Upgrade instructions
  • Configuration details
  • Concepts
• Changes flowforge.yml?
  • Issue/PR raised on FlowFuse/helm to update ConfigMap Template
  • Issue/PR raised on FlowFuse/CloudProject to update values for Staging/Production

Labels

• Backport needed? -> add the backport label
• Includes a DB migration? -> add the area:migration label

[codecov]

Codecov Report

Attention: 185 lines in your changes are missing coverage. Please review.

Comparison is base (97c3ed0) 40.52% compared to head (ef99669) 40.71%.

Files	Patch %	Lines
frontend/src/pages/application/Pipelines.vue	0.00%	41 Missing ⚠️
...ntend/src/pages/application/PipelineStage/form.vue	0.00%	37 Missing ⚠️
frontend/src/components/pipelines/PipelineRow.vue	0.00%	20 Missing ⚠️
forge/ee/db/controllers/Pipeline.js	84.90%	16 Missing ⚠️
frontend/src/pages/application/DeviceGroups.vue	0.00%	12 Missing ⚠️
frontend/src/store/account.js	0.00%	11 Missing ⚠️
frontend/src/components/pipelines/Stage.vue	0.00%	8 Missing ⚠️
frontend/src/pages/application/index.vue	0.00%	8 Missing ⚠️
...end/src/components/pipelines/DeployStageDialog.vue	0.00%	7 Missing ⚠️
forge/ee/routes/pipeline/index.js	91.48%	4 Missing ⚠️
... and 8 more

Additional details and impacted files

@@                      Coverage Diff                       @@
##           2997-device-group-frontend    #3229      +/-   ##
==============================================================
+ Coverage                       40.52%   40.71%   +0.18%     
==============================================================
  Files                             597      598       +1     
  Lines                           22063    22342     +279     
  Branches                         5301     5387      +86     
==============================================================
+ Hits                             8941     9096     +155     
- Misses                          13122    13246     +124     

Flag	Coverage Δ
backend	77.38% <90.37%> (+0.23%)	⬆️
frontend	2.03% <2.66%> (+0.05%)	⬆️

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[Pezmc]

I've done a first pass here to get an overall idea, but need to go through again tomorrow with fresh eyes

[Pezmc]

I've been through this again and nothing stood out, I'm still not feeling 100% about it yet, perhaps just because of the number of changes, but let's not block this any longer.