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How to use getMeta method of gce Package

Best Syzkaller code snippet using gce.getMeta

host.go

Source:host.go

...35}36// GetPayload builds a metadata payload every time is called.37// Some data is collected only once, some is cached, some is collected at every call.38func GetPayload(hostnameData util.HostnameData) *Payload {39	meta := getMeta(hostnameData)40	meta.Hostname = hostnameData.Hostname41	p := &Payload{42		Os:            osName,43		AgentFlavor:   config.AgentFlavor,44		PythonVersion: GetPythonVersion(),45		SystemStats:   getSystemStats(),46		Meta:          meta,47		HostTags:      getHostTags(),48		ContainerMeta: getContainerMeta(1 * time.Second),49		NetworkMeta:   getNetworkMeta(),50		LogsMeta:      getLogsMeta(),51		InstallMethod: getInstallMethod(getInstallInfoPath()),52	}53	// Cache the metadata for use in other payloads54	key := buildKey("payload")55	cache.Cache.Set(key, p, cache.NoExpiration)56	return p57}58// GetPayloadFromCache returns the payload from the cache if it exists, otherwise it creates it.59// The metadata reporting should always grab it fresh. Any other uses, e.g. status, should use this60func GetPayloadFromCache(hostnameData util.HostnameData) *Payload {61	key := buildKey("payload")62	if x, found := cache.Cache.Get(key); found {63		return x.(*Payload)64	}65	return GetPayload(hostnameData)66}67// GetMeta grabs the metadata from the cache and returns it,68// if the cache is empty, then it queries the information directly69func GetMeta(hostnameData util.HostnameData) *Meta {70	key := buildKey("meta")71	if x, found := cache.Cache.Get(key); found {72		return x.(*Meta)73	}74	return getMeta(hostnameData)75}76// GetPythonVersion returns the version string as provided by the embedded Python77// interpreter.78func GetPythonVersion() string {79	// retrieve the Python version from the Agent cache80	if x, found := cache.Cache.Get(cache.BuildAgentKey("pythonVersion")); found {81		return x.(string)82	}83	return "n/a"84}85// getHostAliases returns the hostname aliases from different provider86// This should include GCE, Azure, Cloud foundry, kubernetes87func getHostAliases() []string {88	aliases := []string{}89	alibabaAlias, err := alibaba.GetHostAlias()90	if err != nil {91		log.Debugf("no Alibaba Host Alias: %s", err)92	} else if alibabaAlias != "" {93		aliases = append(aliases, alibabaAlias)94	}95	azureAlias, err := azure.GetHostAlias()96	if err != nil {97		log.Debugf("no Azure Host Alias: %s", err)98	} else if azureAlias != "" {99		aliases = append(aliases, azureAlias)100	}101	gceAlias, err := gce.GetHostAlias()102	if err != nil {103		log.Debugf("no GCE Host Alias: %s", err)104	} else {105		aliases = append(aliases, gceAlias)106	}107	cfAliases, err := cloudfoundry.GetHostAliases()108	if err != nil {109		log.Debugf("no Cloud Foundry Host Alias: %s", err)110	} else if cfAliases != nil {111		aliases = append(aliases, cfAliases...)112	}113	k8sAlias, err := kubelet.GetHostAlias()114	if err != nil {115		log.Debugf("no Kubernetes Host Alias (through kubelet API): %s", err)116	} else if k8sAlias != "" {117		aliases = append(aliases, k8sAlias)118	}119	tencentAlias, err := tencent.GetHostAlias()120	if err != nil {121		log.Debugf("no Tencent Host Alias: %s", err)122	} else if tencentAlias != "" {123		aliases = append(aliases, tencentAlias)124	}125	return aliases126}127// getMeta grabs the information and refreshes the cache128func getMeta(hostnameData util.HostnameData) *Meta {129	hostname, _ := os.Hostname()130	tzname, _ := time.Now().Zone()131	ec2Hostname, _ := ec2.GetHostname()132	instanceID, _ := ec2.GetInstanceID()133	var agentHostname string134	if config.Datadog.GetBool("hostname_force_config_as_canonical") &&135		hostnameData.Provider == util.HostnameProviderConfiguration {136		agentHostname = hostnameData.Hostname137	}138	m := &Meta{139		SocketHostname: hostname,140		Timezones:      []string{tzname},141		SocketFqdn:     util.Fqdn(hostname),142		EC2Hostname:    ec2Hostname,143		HostAliases:    getHostAliases(),144		InstanceID:     instanceID,145		AgentHostname:  agentHostname,146	}147	// Cache the metadata for use in other payload148	key := buildKey("meta")149	cache.Cache.Set(key, m, cache.NoExpiration)150	return m151}152func getNetworkMeta() *NetworkMeta {153	nid, err := util.GetNetworkID()154	if err != nil {155		log.Infof("could not get network metadata: %s", err)156		return nil157	}158	return &NetworkMeta{ID: nid}159}160func getContainerMeta(timeout time.Duration) map[string]string {161	wg := sync.WaitGroup{}162	containerMeta := make(map[string]string)163	// protecting the above map from concurrent access164	mutex := &sync.Mutex{}165	for provider, getMeta := range container.DefaultCatalog {166		wg.Add(1)167		go func(provider string, getMeta container.MetadataProvider) {168			defer wg.Done()169			meta, err := getMeta()170			if err != nil {171				log.Debugf("Unable to get %s metadata: %s", provider, err)172				return173			}174			mutex.Lock()175			for k, v := range meta {176				containerMeta[k] = v177			}178			mutex.Unlock()179		}(provider, getMeta)180	}181	// we want to timeout even if the wait group is not done yet182	c := make(chan struct{})183	go func() {184		defer close(c)185		wg.Wait()186	}()187	select {188	case <-c:189		return containerMeta190	case <-time.After(timeout):191		// in this case the map might be incomplete so return a copy to avoid race192		incompleteMeta := make(map[string]string)193		mutex.Lock()...

getMeta

Using AI Code Generation

1import (2func main() {3        gce := metadata.NewGCE()4        if gce.OnGCE() {5                fmt.Println("On GCE")6        } else {7                fmt.Println("Not on GCE")8        }9        fmt.Println(gce.GetMeta("instance/name"))10}

getMeta

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4    id, err := metadata.InstanceID()5    if err != nil {6        fmt.Println("error:", err)7    }8    fmt.Println(id)9}

getMeta

Using AI Code Generation

1import (2func main() {3	projectID, err := metadata.ProjectID()4	if err != nil {5		fmt.Println("Error getting project ID: %v", err)6	}7	fmt.Println("Project ID: %s", projectID)8}

getMeta

Using AI Code Generation

1import (2func main() {3    gce := new(gce.Gce)4    gce.Init("myproject")5    meta := gce.GetMeta()6    fmt.Println(meta)7}8import (9type Gce struct {10}11func (gce *Gce) Init(project string) {12}13func (gce *Gce) GetMeta() string {14    if err != nil {15        fmt.Println(err)16    }17    defer resp.Body.Close()18    body, err := ioutil.ReadAll(resp.Body)19    if err != nil {20        fmt.Println(err)21    }22    return string(body)23}

getMeta

Using AI Code Generation

1import (2func main() {3	gce := gce.NewGCE()4	fmt.Println(gce.GetMeta("instance/name"))5}6import (7type GCE struct {8}9func NewGCE() *GCE {10	return &GCE{}11}12func (gce *GCE) GetMeta(path string) string {13	req, _ := http.NewRequest("GET", url, nil)14	req.Header.Add("Metadata-Flavor", "Google")15	client := &http.Client{}16	resp, _ := client.Do(req)17	defer resp.Body.Close()18	body, _ := ioutil.ReadAll(resp.Body)19	return string(body)20}21'](metadata.items.key,metadata.items.value)"22'](metadata.items.key,metadata.items.value)" | grep startup-script23'](metadata.items.key,metadata.items.value)"

getMeta

Using AI Code Generation

1import (2func main() {3    val := gce.GetMeta(key)4    fmt.Println(val)5}6import (7func GetMeta(key string) string {8    client := &http.Client{}9    req, _ := http.NewRequest("GET", url, nil)10    req.Header.Add("Metadata-Flavor", "Google")11    resp, _ := client.Do(req)12    body, _ := ioutil.ReadAll(resp.Body)13    return string(body)14}

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