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provider.go
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provider.go
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package kafka
import (
"fmt"
"log"
"github.com/hashicorp/terraform/helper/schema"
"github.com/hashicorp/terraform/terraform"
)
func Provider() terraform.ResourceProvider {
return &schema.Provider{
Schema: map[string]*schema.Schema{
"bootstrap_servers": {
Type: schema.TypeList,
Elem: &schema.Schema{Type: schema.TypeString},
Required: true,
Description: "A list of kafka brokers",
},
"ca_cert_file": &schema.Schema{
Type: schema.TypeString,
Optional: true,
DefaultFunc: schema.EnvDefaultFunc("KAFKA_CA_CERT", ""),
Description: "Path to a CA certificate file to validate the server's certificate.",
},
"client_cert_file": &schema.Schema{
Type: schema.TypeString,
Required: true,
DefaultFunc: schema.EnvDefaultFunc("KAFKA_CLIENT_CERT", ""),
Description: "Path to a file containing the client certificate.",
},
"client_key_file": &schema.Schema{
Type: schema.TypeString,
Required: true,
DefaultFunc: schema.EnvDefaultFunc("KAFKA_CLIENT_KEY", ""),
Description: "Path to a file containing the private key that the certificate was issued for.",
},
"sasl_username": &schema.Schema{
Type: schema.TypeString,
Required: true,
DefaultFunc: schema.EnvDefaultFunc("KAFKA_SASL_USERNAME", ""),
Description: "Username for SASL authentication.",
},
"sasl_password": &schema.Schema{
Type: schema.TypeString,
Required: true,
DefaultFunc: schema.EnvDefaultFunc("KAFKA_SASL_PASSWORD", ""),
Description: "Password for SASL authentication.",
},
"skip_tls_verify": &schema.Schema{
Type: schema.TypeBool,
Optional: true,
DefaultFunc: schema.EnvDefaultFunc("KAFKA_SKIP_VERIFY", ""),
Description: "Set this to true only if the target Kafka server is an insecure development instance.",
},
"tls_enabled": &schema.Schema{
Type: schema.TypeBool,
Optional: true,
DefaultFunc: schema.EnvDefaultFunc("KAFKA_ENABLE_TLS", ""),
Description: "Enable communication with the Kafka Cluster over TLS.",
},
"timeout": {
Type: schema.TypeInt,
Optional: true,
Default: 120,
Description: "Timeout in seconds",
},
},
ConfigureFunc: providerConfigure,
ResourcesMap: map[string]*schema.Resource{
"kafka_topic": kafkaTopicResource(),
"kafka_acl": kafkaACLResource(),
},
}
}
func providerConfigure(d *schema.ResourceData) (interface{}, error) {
brokers := dTos("bootstrap_servers", d)
if brokers == nil {
return nil, fmt.Errorf("bootstrap_servers was not set")
}
log.Printf("[DEBUG] configuring provider with Brokers @ %v", brokers)
config := &Config{
BootstrapServers: brokers,
CACertFile: d.Get("ca_cert_file").(string),
ClientCertFile: d.Get("client_cert_file").(string),
ClientCertKey: d.Get("client_key_file").(string),
SkipTLSVerify: d.Get("skip_tls_verify").(bool),
SASLUsername: d.Get("sasl_username").(string),
SASLPassword: d.Get("sasl_password").(string),
TLSEnabled: d.Get("tls_enabled").(bool),
Timeout: d.Get("timeout").(int),
}
log.Printf("[DEBUG] Config @ %v", config)
return NewClient(config)
}
func dTos(key string, d *schema.ResourceData) *[]string {
var r *[]string
if v, ok := d.GetOk(key); ok {
if v == nil {
return r
}
vI := v.([]interface{})
b := make([]string, len(vI))
for i, vv := range vI {
if vv == nil {
log.Printf("[DEBUG] %d %v was nil", i, vv)
continue
}
log.Printf("[DEBUG] %d:Converting %v to string", i, vv)
b[i] = vv.(string)
}
r = &b
}
return r
}