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Add Equinix Metal provider #177
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2680a89
add Equinix Metal provider
displague 5e1cd9b
add packngo vendor for equinixmetal provider
displague c3812be
update packngo vendor for packet provider
displague 98e7e5c
add test-infra acctest for equinixmetal
displague ad64779
update go version to 1.16.5
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,175 @@ | ||
| package equinixmetal | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "log" | ||
| "os" | ||
| "strings" | ||
|
|
||
| "github.com/packethost/packngo" | ||
| ) | ||
|
|
||
| const baseURL = "https://api.equinix.com/metal/v1/" | ||
|
|
||
| var ( | ||
| addressTypes = []string{packngo.PublicIPv4, packngo.PrivateIPv4, packngo.PublicIPv6} | ||
| defaultAddressType = packngo.PrivateIPv4 | ||
| ) | ||
|
|
||
| // Provider struct | ||
| type Provider struct { | ||
| userAgent string | ||
| } | ||
|
|
||
| // SetUserAgent setter | ||
| func (p *Provider) SetUserAgent(s string) { | ||
| p.userAgent = s | ||
| } | ||
|
|
||
| // Help function | ||
| func (p *Provider) Help() string { | ||
| return fmt.Sprintf(`Equinix Metal: | ||
| provider: "equinixmetal" | ||
| project: UUID of metal project. Required | ||
| auth_token: Equinix Metal authentication token. Required | ||
| url: Equinix Metal REST URL. Optional | ||
| address_type: Address type, one of: %s. Defaults to %q. Optional | ||
| facility: Filter for specific facility (Examples: "sv15,ny5") | ||
| metro: Filter for specific metro (Examples: "sv,ny") | ||
| tag: Filter by tag (Examples: "tag1,tag2") | ||
|
|
||
| Variables can also be provided by environmental variables: | ||
| export METAL_PROJECT for project | ||
| export METAL_URL for url | ||
| export METAL_AUTH_TOKEN for auth_token | ||
| `, strings.Join(addressTypes, ", "), defaultAddressType) | ||
| } | ||
|
|
||
| // Addrs function | ||
| func (p *Provider) Addrs(args map[string]string, l *log.Logger) ([]string, error) { | ||
| authToken := argsOrEnv(args, "auth_token", "METAL_AUTH_TOKEN") | ||
| projectID := argsOrEnv(args, "project", "METAL_PROJECT") | ||
| metalURL := argsOrEnv(args, "url", "METAL_URL") | ||
| addressType := args["address_type"] | ||
| metalFacilities := args["facility"] | ||
| metalMetros := args["metro"] | ||
| metalTags := args["tag"] | ||
|
|
||
| if !Include(addressTypes, addressType) { | ||
| l.Printf("[INFO] discover-metal: Address type %s is not supported. Valid values are {%s}. Falling back to '%s'", addressType, strings.Join(addressTypes, ","), defaultAddressType) | ||
| addressType = defaultAddressType | ||
| } | ||
|
|
||
| includeMetros := includeArgs(metalMetros) | ||
| includeFacilities := includeArgs(metalFacilities) | ||
| includeTags := includeArgs(metalTags) | ||
|
|
||
| c, err := client(p.userAgent, metalURL, authToken) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("discover-metal: Initializing Equinix Metal client failed: %s", err) | ||
| } | ||
|
|
||
| var devices []packngo.Device | ||
|
|
||
| if projectID == "" { | ||
| return nil, fmt.Errorf("discover-metal: 'project' parameter must be provided") | ||
| } | ||
|
|
||
| getOpts := &packngo.GetOptions{} | ||
| getOpts.Including("facility", "metro", "ip_addresses") | ||
| getOpts.Excluding("ssh_keys", "project") | ||
| devices, _, err = c.Devices.List(projectID, getOpts) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("discover-metal: Fetching Equinix Metal devices failed: %s", err) | ||
| } | ||
|
|
||
| var addrs []string | ||
| for _, d := range devices { | ||
|
|
||
| if len(includeFacilities) > 0 && !Include(includeFacilities, d.Facility.Code) { | ||
| continue | ||
| } | ||
|
|
||
| if len(includeMetros) > 0 && !Include(includeMetros, d.Metro.Code) { | ||
| continue | ||
| } | ||
|
|
||
| if len(includeTags) > 0 && !Any(d.Tags, func(v string) bool { return Include(includeTags, v) }) { | ||
| continue | ||
| } | ||
|
|
||
| for _, n := range d.Network { | ||
| if ipMatchesType(addressType, n) { | ||
| addrs = append(addrs, n.Address) | ||
| } | ||
| } | ||
| } | ||
| return addrs, nil | ||
| } | ||
|
|
||
| func ipMatchesType(addressType string, n *packngo.IPAddressAssignment) bool { | ||
| switch addressType { | ||
| case packngo.PublicIPv4: | ||
| return n.Public && n.AddressFamily == 4 | ||
| case packngo.PublicIPv6: | ||
| return n.Public && n.AddressFamily == 6 | ||
| case packngo.PrivateIPv4: | ||
| return !n.Public && n.AddressFamily == 4 | ||
| default: | ||
| return false | ||
| } | ||
| } | ||
|
|
||
| func client(useragent, url, token string) (*packngo.Client, error) { | ||
| if url == "" { | ||
| url = baseURL | ||
| } | ||
|
|
||
| client, err := packngo.NewClientWithBaseURL(useragent, token, nil, url) | ||
| if err == nil { | ||
| client.UserAgent = fmt.Sprintf("%s %s", useragent, client.UserAgent) | ||
| } | ||
| return client, err | ||
| } | ||
|
|
||
| func argsOrEnv(args map[string]string, key, env string) string { | ||
| if value := args[key]; value != "" { | ||
| return value | ||
| } | ||
| return os.Getenv(env) | ||
| } | ||
|
|
||
| func includeArgs(s string) []string { | ||
| var include []string | ||
| for _, localstring := range strings.Split(s, ",") { | ||
| if len(localstring) > 0 { | ||
| include = append(include, localstring) | ||
| } | ||
| } | ||
| return include | ||
| } | ||
|
|
||
| // Index returns the first index of the target string t, or -1 if no match is found. | ||
| func Index(vs []string, t string) int { | ||
| for i, v := range vs { | ||
| if v == t { | ||
| return i | ||
| } | ||
| } | ||
| return -1 | ||
| } | ||
|
|
||
| // Include returns true if the target string t is in the slice. | ||
| func Include(vs []string, t string) bool { | ||
| return Index(vs, t) >= 0 | ||
| } | ||
|
|
||
| //Any returns true if one of the strings in the slice satisfies the predicate f. | ||
| func Any(vs []string, f func(string) bool) bool { | ||
| for _, v := range vs { | ||
| if f(v) { | ||
| return true | ||
| } | ||
| } | ||
| return false | ||
| } |
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packngo requires go v1.15+
I can remove this line if #200 (or similar) is merged first.