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https://github.com/runnable/octobear

Docker Compose File parser for Runnable API Client
https://github.com/runnable/octobear

Last synced: 13 days ago
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Docker Compose File parser for Runnable API Client

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# OctoBear

_Docker Compose File parser for Runnable API Client_

![http://1.bp.blogspot.com/-aEL7JOFG33A/UxyzFBJ0RXI/AAAAAAAADus/4jmeE4FR3_g/s1600/5455426064_fca9750514_o.jpg](http://1.bp.blogspot.com/-aEL7JOFG33A/UxyzFBJ0RXI/AAAAAAAADus/4jmeE4FR3_g/s1600/5455426064_fca9750514_o.jpg)

## Usage

This module provides two functions:

#### `parse`

```
const octobear = require('@runnable/octobear')

octobear.parse({
dockerComposeFileString: String, // String for `docker-compose.yml`
dockerComposeFilePath: String, // Path to the Compose file
repositoryName: String, // Name or repository. Used for naming the instances (Doesn't have to correlate 1-to-1)
ownerUsername: String, // User's github username. Used for pre-instance creation hostname generation
userContentDomain: String // Runnable API user content domain. Used for pre-instance creation hostname generation
})
.then(results => )
```

The response correspond to the following schema:

```
{
results: [{
metadata: {
name: String, // Name specified for service in `docker-compose.yml`
},
extends: {
service: 'String', // name to the service to extend
file: 'String' // path to the compose file where original service is registered
},
code: { // optional
repo: 'String', // repo full name
commitish: 'String' // Optional. Commit or branch
}),
build: {
dockerFilePath: String, // Optional. Path for Dockerfile used to build instance,
dockerBuildContext: String, // Optional. Path for Docker build context
},
files: { // Optional
'/Dockerfile': {
body: String // Body for Dockerfile to be used. Only specified if there is no `buildDockerfilePath` }
},
instance: {
name: String, // Instance name. Different from name specified in `docker-compose.yml`,
containerStartCommand: String, // Optional. Command provided to start instance
ports: Array, // Array of number for ports
env: Array // Array of strings for env variables. Includes hostname substitution
}
}],
envFiles: [String] // Array of all ENV files that should be loaded,
mains: {
builds: { // includes all built main
{serviceName}: result {value in results for this}
},
externals: {
{serviceName}: results {value in results for this}
}
}
}
```

#### `populateENVsFromFiles`

```
const octobear = require('@runnable/octobear')

const composeFileAsString = '...'
octobear.findExtendedFiles(composeFileAsString)
.then((filesPathes) => {
const composeFiles = fethcAllComposeFiles(filesPathes)
return octobear.parseAndMergeMultiple({...}, composeFiles, envFiles)
.then(({ results: services, envFiles }) => {
const envFiles = getAllTheseFilesAsHashTable(res.envFiles) // An object with filesnames as keys and strings as values
return populateENVsFromFiles(services, envFiles)
})
})

```

## Tests

In order to run tests locally you also need to pull submodules. The easiest way to do that is cloning repo with
` --recursive` flag:

```
git clone --recursive git@github.com:Runnable/octobear.git
```

To update them, use
```
git submodule update --init --recursive
```

Also, in order to run tests locally you'll need populate the environment variables in `configs/.env`. We suggest adding them to `configs/.env.test`.

There are three types of tests:

1. Unit: Used to test individual functions
2. Functional: Used to test the complete flow of a function. This should not use any external services.
3. Integration: Used to test results of parsing against the Runnable API

### Adding Submmodules

1. Go into `test/repos/${NAME}`
2. Run `git init`
3. Run `git add -A`
4. Run `git commit -m ""`
5. Create repo in github
6. Push changes to github
7. `rm -rf test/repos/${NAME}` (It's in github, don't worry)
8. git submodule add git@github.com:RunnableTest/${NAME}.git test/repos/${NAME}
9. Run `git status` and make sure repo was added to `.gitmodules` and was added
10. Add + Commit + Push octobear repo