Add users to Azure Entra ID and add them to a group, in a batch.

create-users.sh

#!/usr/bin/bash

CSV_FILE="users.csv"

# Skip the header line
tail -n +2 "$CSV_FILE" | while IFS=',' read -r first_name last_name hackaton_group_number first_password
do
    # Create the user in Azure AD, make sure the user principal name is in lowercase
    display_name="$first_name $last_name"
    user_principal_name="$(echo $first_name.$last_name | tr '[:upper:]' '[:lower:]')@XPBDF.onmicrosoft.com"
    group_name="hackathon-group-$hackaton_group_number"

    # Check if the user already exists, or create a new one
    user_id=$(az ad user show --id "$user_principal_name" --query "id" -o tsv 2>/dev/null)
    if [ -n "$user_id" ]; then
        echo "User '$display_name' already exists with ID '$user_id'"
    else
        user_id=$(az ad user create \
            --display-name "$display_name" \
            --force-change-password-next-sign-in \
            --password "$first_password" \
            --query "id" \
            --user-principal-name "$user_principal_name" \
            -o tsv)
        echo "Created user '$display_name' with ID '$user_id'"
    fi

    # Test user creation
    if [ -z "$user_id" ]; then
        echo "Failed to create user '$display_name', skipping group assignment"
        continue
    fi

    # Find the group's object ID based on the group name
    group_id=$(az ad group show \
        --group "$group_name" \
        --query "id" \
        -o tsv)

    # Add user to the group
    az ad group member add \
        --group "$group_id" \
        --member-id "$user_id"

    echo "Added '$display_name' to group '$group_name'"
done

echo "All users processed"

users.csv