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| 1 | +# ============================================================================= |
| 2 | +# setup-oidc.ps1 — One-time Azure OIDC setup for GitHub Actions (PowerShell) |
| 3 | +# ============================================================================= |
| 4 | +# |
| 5 | +# Run this script ONCE per environment to wire up passwordless deployment. |
| 6 | +# It creates an App Registration, adds a Federated Identity Credential so |
| 7 | +# GitHub Actions can authenticate with Azure using short-lived OIDC tokens |
| 8 | +# (no stored passwords), and saves the three required values as GitHub secrets. |
| 9 | +# |
| 10 | +# Prerequisites: |
| 11 | +# az login (logged in to Azure CLI) |
| 12 | +# az account set --subscription "..." (correct subscription selected) |
| 13 | +# gh auth login (logged in to GitHub CLI) |
| 14 | +# |
| 15 | +# Usage: |
| 16 | +# .\infra\scripts\setup-oidc.ps1 |
| 17 | +# ============================================================================= |
| 18 | + |
| 19 | +Set-StrictMode -Version Latest |
| 20 | +$ErrorActionPreference = "Stop" |
| 21 | + |
| 22 | +# --- Configuration ------------------------------------------------------------ |
| 23 | +# Edit these values before running. |
| 24 | + |
| 25 | +$APP_NAME = "github-actions-talent-dev" # App Registration display name |
| 26 | +$RESOURCE_GROUP = "rg-talent-dev" # Resource group to manage |
| 27 | +$LOCATION = "eastus" # Azure region |
| 28 | +$GITHUB_ORG = "workcontrolgit" # GitHub organisation or username |
| 29 | +$GITHUB_REPO = "AngularNetTutorial" # GitHub repository name |
| 30 | +$BRANCH = "main" # Branch that triggers deployments |
| 31 | +$SQL_ADMIN_PASSWORD = 'Tr@7vK#2mX$9pL4!' # SQL admin password |
| 32 | +# ------------------------------------------------------------------------------ |
| 33 | + |
| 34 | +Write-Host "" |
| 35 | +Write-Host "========================================================" |
| 36 | +Write-Host " Azure OIDC Setup for GitHub Actions" |
| 37 | +Write-Host " App: $APP_NAME" |
| 38 | +Write-Host " Repo: $GITHUB_ORG/$GITHUB_REPO (branch: $BRANCH)" |
| 39 | +Write-Host " RG: $RESOURCE_GROUP ($LOCATION)" |
| 40 | +Write-Host "========================================================" |
| 41 | +Write-Host "" |
| 42 | + |
| 43 | +# --- Step 1: Create App Registration ------------------------------------------ |
| 44 | +Write-Host ">>> Step 1: Create App Registration" |
| 45 | + |
| 46 | +$APP_ID = az ad app create ` |
| 47 | + --display-name $APP_NAME ` |
| 48 | + --query appId ` |
| 49 | + --output tsv |
| 50 | + |
| 51 | +Write-Host " Created App Registration: $APP_ID" |
| 52 | + |
| 53 | +# --- Step 2: Create Service Principal ----------------------------------------- |
| 54 | +Write-Host ">>> Step 2: Create Service Principal" |
| 55 | + |
| 56 | +az ad sp create --id $APP_ID --output none |
| 57 | + |
| 58 | +Write-Host " Service Principal created" |
| 59 | + |
| 60 | +# --- Step 3: Add Federated Identity Credential -------------------------------- |
| 61 | +Write-Host ">>> Step 3: Add Federated Identity Credential" |
| 62 | + |
| 63 | +$TEMP_CRED_FILE = [System.IO.Path]::GetTempFileName() + ".json" |
| 64 | +@{ |
| 65 | + name = "github-actions-branch-$BRANCH" |
| 66 | + issuer = "https://token.actions.githubusercontent.com" |
| 67 | + subject = "repo:${GITHUB_ORG}/${GITHUB_REPO}:ref:refs/heads/$BRANCH" |
| 68 | + audiences = @("api://AzureADTokenExchange") |
| 69 | + description = "GitHub Actions OIDC for $GITHUB_ORG/$GITHUB_REPO branch $BRANCH" |
| 70 | +} | ConvertTo-Json | Set-Content -Path $TEMP_CRED_FILE -Encoding UTF8 |
| 71 | + |
| 72 | +az ad app federated-credential create ` |
| 73 | + --id $APP_ID ` |
| 74 | + --parameters "@$TEMP_CRED_FILE" ` |
| 75 | + --output none |
| 76 | + |
| 77 | +Remove-Item $TEMP_CRED_FILE -Force |
| 78 | + |
| 79 | +Write-Host " Federated credential added (branch: $BRANCH)" |
| 80 | + |
| 81 | +# --- Step 4a: Create Resource Group ------------------------------------------- |
| 82 | +Write-Host ">>> Step 4a: Create Resource Group (idempotent)" |
| 83 | + |
| 84 | +az group create ` |
| 85 | + --name $RESOURCE_GROUP ` |
| 86 | + --location $LOCATION ` |
| 87 | + --output none |
| 88 | + |
| 89 | +Write-Host " Resource group ready: $RESOURCE_GROUP" |
| 90 | + |
| 91 | +# --- Step 4b: Grant Contributor Role on Resource Group ------------------------ |
| 92 | +Write-Host ">>> Step 4b: Grant Contributor role on $RESOURCE_GROUP" |
| 93 | + |
| 94 | +$SUBSCRIPTION_ID = az account show --query id --output tsv |
| 95 | +$SCOPE = "/subscriptions/$SUBSCRIPTION_ID/resourceGroups/$RESOURCE_GROUP" |
| 96 | + |
| 97 | +az role assignment create ` |
| 98 | + --assignee $APP_ID ` |
| 99 | + --role "Contributor" ` |
| 100 | + --scope $SCOPE ` |
| 101 | + --output none |
| 102 | + |
| 103 | +Write-Host " Contributor role granted on: $SCOPE" |
| 104 | + |
| 105 | +# --- Step 5: Retrieve Tenant ID ----------------------------------------------- |
| 106 | +$TENANT_ID = az account show --query tenantId --output tsv |
| 107 | + |
| 108 | +# --- Step 6: Save Secrets to GitHub Repository -------------------------------- |
| 109 | +Write-Host ">>> Step 6: Save secrets to GitHub repository" |
| 110 | + |
| 111 | +gh secret set AZURE_CLIENT_ID --body $APP_ID --repo "${GITHUB_ORG}/${GITHUB_REPO}" |
| 112 | +gh secret set AZURE_TENANT_ID --body $TENANT_ID --repo "${GITHUB_ORG}/${GITHUB_REPO}" |
| 113 | +gh secret set AZURE_SUBSCRIPTION_ID --body $SUBSCRIPTION_ID --repo "${GITHUB_ORG}/${GITHUB_REPO}" |
| 114 | +gh secret set SQL_ADMIN_PASSWORD --body $SQL_ADMIN_PASSWORD --repo "${GITHUB_ORG}/${GITHUB_REPO}" |
| 115 | + |
| 116 | +Write-Host " AZURE_CLIENT_ID, AZURE_TENANT_ID, AZURE_SUBSCRIPTION_ID, SQL_ADMIN_PASSWORD saved" |
| 117 | + |
| 118 | +# --- Done --------------------------------------------------------------------- |
| 119 | +Write-Host "" |
| 120 | +Write-Host "========================================================" |
| 121 | +Write-Host " Summary" |
| 122 | +Write-Host "========================================================" |
| 123 | +Write-Host " AZURE_CLIENT_ID: $APP_ID" |
| 124 | +Write-Host " AZURE_TENANT_ID: $TENANT_ID" |
| 125 | +Write-Host " AZURE_SUBSCRIPTION_ID: $SUBSCRIPTION_ID" |
| 126 | +Write-Host " SQL_ADMIN_PASSWORD: (set)" |
| 127 | +Write-Host "" |
| 128 | +Write-Host " Verify all 4 secrets at:" |
| 129 | +Write-Host " https://github.com/${GITHUB_ORG}/${GITHUB_REPO}/settings/secrets/actions" |
| 130 | +Write-Host "" |
| 131 | +Write-Host " OIDC setup complete. GitHub Actions can now deploy to Azure" |
| 132 | +Write-Host " without any stored passwords or client secrets." |
| 133 | +Write-Host "========================================================" |
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