micro/util/structfs/metadata_digitalocean.go

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package structfs
import (
"encoding/json"
"net/http"
"strings"
"time"
)
type DigitalOceanMetadata struct {
Metadata struct {
V1 struct {
DropletID int64 `json:"droplet_id"`
Hostname string `json:"hostname"`
VendorData string `json:"vendor_data"`
PublicKeys []string `json:"public_keys"`
Region string `json:"region"`
Interfaces struct {
Private []struct {
IPv4 struct {
Address string `json:"ip_address"`
Netmask string `json:"netmask"`
Gateway string `json:"gateway"`
}
Mac string `json:"mac"`
Type string `json:"type"`
} `json:"private"`
Public []struct {
IPv4 struct {
Address string `json:"ip_address"`
Netmask string `json:"netmask"`
Gateway string `json:"gateway"`
} `json:"ipv4"`
IPv6 struct {
Address string `json:"ip_address"`
CIDR int `json:"cidr"`
Gateway string `json:"gateway"`
} `json:"ipv6"`
Mac string `json:"mac"`
Type string `json:"type"`
} `json:"public"`
} `json:"interfaces"`
FloatingIP struct {
IPv4 struct {
Active bool `json:"active"`
} `json:"ipv4"`
} `json:"floating_ip"`
DNS struct {
Nameservers []string `json:"nameservers"`
} `json:"dns"`
Features map[string]interface{} `json:"features"`
} `json:"v1"`
} `json:"metadata"`
}
func (stfs *DigitalOceanMetadata) ServeHTTP(w http.ResponseWriter, r *http.Request) {
switch r.URL.Path {
case "/metadata/v1.json":
json.NewEncoder(w).Encode(stfs.Metadata.V1)
default:
fs := FileServer(stfs, "json", time.Now())
idx := strings.Index(r.URL.Path[1:], "/")
r.URL.Path = strings.Replace(r.URL.Path[idx+1:], "/metadata/v1/", "", 1)
r.RequestURI = r.URL.Path
fs.ServeHTTP(w, r)
}
}