[IOPID-1399] Add opex dashboard for "api_backend" (pagopa#1095)

.github/workflows/opex_api_backend.yml

@@ -0,0 +1,23 @@
+name: Opex Dashboard api_backend
+
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - 'openapi/generated/api_backend.yaml'
+      - '.github/workflows/opex_api_backend.yml'
+      - '.opex/api_backend/**'
+
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}
+
+jobs:
+  apply:
+    uses: ./.github/workflows/call_opex_api.yml
+    name: Apply changes to Production
+    secrets: inherit
+    with:
+      api_name: api_backend

.github/workflows/pr_opex_api_backend.yml

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+name: PR - Opex Dashboard api_backend
+
+on:
+  pull_request:
+    types:
+      - opened
+      - edited
+      - synchronize
+      - reopened
+    branches:
+      - master
+    paths:
+      - 'api_backend.yaml'
+      - '.github/workflows/pr_opex_api_backend.yml'
+      - '.github/workflows/opex_api_backend.yml'
+      - '.opex/api_backend/**'
+
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: false
+
+jobs:
+  plan:
+    uses: ./.github/workflows/call_pr_opex_api.yml
+    name: Plan changes against Production
+    secrets: inherit
+    with:
+      api_name: api_backend

.opex/api_backend/env/prod/backend.ini

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+subscription=PROD-IO

.opex/api_backend/env/prod/backend.tfvars

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+resource_group_name  = "terraform-state-rg"
+storage_account_name = "tfappprodio"
+container_name       = "terraform-state"
+key                  = "opex.io-backend.api_backend.tfstate"

.opex/api_backend/env/prod/config.yaml

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+oa3_spec: api_backend.yaml
+name: opex_iobackend_api_backend
+location: West Europe
+timespan: 5m
+evaluation_frequency: 10
+evaluation_time_window: 30
+event_occurrences: 4 # After 5*4=20 min
+data_source: /subscriptions/ec285037-c673-4f58-b594-d7c480da4e8b/resourceGroups/io-p-rg-external/providers/Microsoft.Network/applicationGateways/io-p-appgateway
+action_groups:
+  - /subscriptions/EC285037-C673-4F58-B594-D7C480DA4E8B/resourceGroups/io-p-rg-common/providers/microsoft.insights/actionGroups/iopquarantineerror
+overrides:
+  hosts:
+    - app-backend.io.italia.it
+    - api-app.io.pagopa.it
+  endpoints:
+    /api/v1/profile:
+      response_time_threshold: 8
+      availability_threshold: 0.70

.opex/api_backend/env/prod/terraform.tfvars

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+prefix    = "io"
+env_short = "p"
+
+tags = {
+  CreatedBy   = "Terraform"
+  Environment = "Prod"
+  Owner       = "io"
+  Source      = "https://github.com/pagopa/io-backend"
+  CostCenter  = "TS310 - PAGAMENTI & SERVIZI"
+}