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provider.go
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provider.go
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package docker
import (
"fmt"
"github.com/hashicorp/terraform/helper/schema"
"github.com/hashicorp/terraform/terraform"
)
func Provider() terraform.ResourceProvider {
return &schema.Provider{
Schema: map[string]*schema.Schema{
"host": &schema.Schema{
Type: schema.TypeString,
Required: true,
DefaultFunc: schema.EnvDefaultFunc("DOCKER_HOST", "unix:///var/run/docker.sock"),
Description: "The Docker daemon address",
},
"cert_path": &schema.Schema{
Type: schema.TypeString,
Optional: true,
DefaultFunc: schema.EnvDefaultFunc("DOCKER_CERT_PATH", ""),
Description: "Path to directory with Docker TLS config",
},
},
ResourcesMap: map[string]*schema.Resource{
"docker_container": resourceDockerContainer(),
"docker_image": resourceDockerImage(),
"docker_network": resourceDockerNetwork(),
"docker_volume": resourceDockerVolume(),
},
ConfigureFunc: providerConfigure,
}
}
func providerConfigure(d *schema.ResourceData) (interface{}, error) {
config := Config{
Host: d.Get("host").(string),
CertPath: d.Get("cert_path").(string),
}
client, err := config.NewClient()
if err != nil {
return nil, fmt.Errorf("Error initializing Docker client: %s", err)
}
err = client.Ping()
if err != nil {
return nil, fmt.Errorf("Error pinging Docker server: %s", err)
}
return client, nil
}