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# Gotham
*Support multiple GCP service account*
<p align="center">
<img width="230" height="230" src="https://user-images.githubusercontent.com/120734/60244733-9a01ef80-98ed-11e9-91cd-54e0b864f82f.png" alt="gotham city">
</p>
Google + Auth + Batman = Gotham
[](https://user-images.githubusercontent.com/120734/60244733-9a01ef80-98ed-11e9-91cd-54e0b864f82f.png)
## Installation
1. Add Gotham to you mix.exs
```elixir
def deps do
[
{:gotham, "~> 0.1.0"}
]
end
```
2. Configure service accounts
```elixir
config :gotham,
default_account: :account1,
accounts: [
{:account1, file_path: "path/to/google/json/creds.json"},
{:account2, file_path: "path/to/google/json/creds.json"}
]
```
## Usage
```elixir
# Use default account
{:ok, token} = Gotham.for_scope("https://www.googleapis.com/auth/pubsub")
%Gotham.Token{
project_id: "test",
access_token: "TOKEN",
account_name: :account1,
expire_at: 1561090622,
scope: "https://www.googleapis.com/auth/pubsub",
token_type: "Bearer"
}
# Change acocunt
Gotham.put_account_name(:account2)
Gotham.for_scope("https://www.googleapis.com/auth/pubsub")
{:ok,
%Gotham.Token{
project_id: "test",
access_token: "TOKEN",
account_name: :account2,
expire_at: 1561092261,
scope: "https://www.googleapis.com/auth/pubsub",
token_type: "Bearer"
}}
# Run a function with a specific account
Gotham.with_account_name(:account2, fn ->
Gotham.for_scope("https://www.googleapis.com/auth/pubsub")
end)
{:ok,
%Gotham.Token{
project_id: "test",
access_token: "TOKEN",
account_name: :account2,
expire_at: 1561092261,
scope: "https://www.googleapis.com/auth/pubsub",
token_type: "Bearer"
}}
```