rebase: update kubernetes and libraries to v1.22.0 version

Kubernetes v1.22 version has been released and this update
ceph csi dependencies to use the same version.

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
This commit is contained in:
Humble Chirammal
2021-08-09 12:49:24 +05:30
committed by mergify[bot]
parent e077c1fdf5
commit aa698bc3e1
759 changed files with 61864 additions and 6514 deletions

64
vendor/go.opentelemetry.io/otel/sdk/resource/auto.go generated vendored Normal file
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package resource // import "go.opentelemetry.io/otel/sdk/resource"
import (
"context"
"errors"
"fmt"
)
var (
// ErrPartialResource is returned by a detector when complete source
// information for a Resource is unavailable or the source information
// contains invalid values that are omitted from the returned Resource.
ErrPartialResource = errors.New("partial resource")
)
// Detector detects OpenTelemetry resource information
type Detector interface {
// Detect returns an initialized Resource based on gathered information.
// If the source information to construct a Resource contains invalid
// values, a Resource is returned with the valid parts of the source
// information used for initialization along with an appropriately
// wrapped ErrPartialResource error.
Detect(ctx context.Context) (*Resource, error)
}
// Detect calls all input detectors sequentially and merges each result with the previous one.
// It returns the merged error too.
func Detect(ctx context.Context, detectors ...Detector) (*Resource, error) {
var autoDetectedRes *Resource
var errInfo []string
for _, detector := range detectors {
if detector == nil {
continue
}
res, err := detector.Detect(ctx)
if err != nil {
errInfo = append(errInfo, err.Error())
if !errors.Is(err, ErrPartialResource) {
continue
}
}
autoDetectedRes = Merge(autoDetectedRes, res)
}
var aggregatedError error
if len(errInfo) > 0 {
aggregatedError = fmt.Errorf("detecting resources: %s", errInfo)
}
return autoDetectedRes, aggregatedError
}

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vendor/go.opentelemetry.io/otel/sdk/resource/builtin.go generated vendored Normal file
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package resource // import "go.opentelemetry.io/otel/sdk/resource"
import (
"context"
"fmt"
"os"
"path/filepath"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/semconv"
)
type (
// TelemetrySDK is a Detector that provides information about
// the OpenTelemetry SDK used. This Detector is included as a
// builtin. If these resource attributes are not wanted, use
// the WithTelemetrySDK(nil) or WithoutBuiltin() options to
// explicitly disable them.
TelemetrySDK struct{}
// Host is a Detector that provides information about the host
// being run on. This Detector is included as a builtin. If
// these resource attributes are not wanted, use the
// WithHost(nil) or WithoutBuiltin() options to explicitly
// disable them.
Host struct{}
stringDetector struct {
K attribute.Key
F func() (string, error)
}
defaultServiceNameDetector struct{}
)
var (
_ Detector = TelemetrySDK{}
_ Detector = Host{}
_ Detector = stringDetector{}
_ Detector = defaultServiceNameDetector{}
)
// Detect returns a *Resource that describes the OpenTelemetry SDK used.
func (TelemetrySDK) Detect(context.Context) (*Resource, error) {
return NewWithAttributes(
semconv.TelemetrySDKNameKey.String("opentelemetry"),
semconv.TelemetrySDKLanguageKey.String("go"),
semconv.TelemetrySDKVersionKey.String(otel.Version()),
), nil
}
// Detect returns a *Resource that describes the host being run on.
func (Host) Detect(ctx context.Context) (*Resource, error) {
return StringDetector(semconv.HostNameKey, os.Hostname).Detect(ctx)
}
// StringDetector returns a Detector that will produce a *Resource
// containing the string as a value corresponding to k.
func StringDetector(k attribute.Key, f func() (string, error)) Detector {
return stringDetector{K: k, F: f}
}
// Detect implements Detector.
func (sd stringDetector) Detect(ctx context.Context) (*Resource, error) {
value, err := sd.F()
if err != nil {
return nil, fmt.Errorf("%s: %w", string(sd.K), err)
}
a := sd.K.String(value)
if !a.Valid() {
return nil, fmt.Errorf("invalid attribute: %q -> %q", a.Key, a.Value.Emit())
}
return NewWithAttributes(sd.K.String(value)), nil
}
// Detect implements Detector
func (defaultServiceNameDetector) Detect(ctx context.Context) (*Resource, error) {
return StringDetector(
semconv.ServiceNameKey,
func() (string, error) {
executable, err := os.Executable()
if err != nil {
return "unknown_service:go", nil
}
return "unknown_service:" + filepath.Base(executable), nil
},
).Detect(ctx)
}

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vendor/go.opentelemetry.io/otel/sdk/resource/config.go generated vendored Normal file
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package resource // import "go.opentelemetry.io/otel/sdk/resource"
import (
"context"
"go.opentelemetry.io/otel/attribute"
)
// config contains configuration for Resource creation.
type config struct {
// detectors that will be evaluated.
detectors []Detector
// telemetrySDK is used to specify non-default
// `telemetry.sdk.*` attributes.
telemetrySDK Detector
// HostResource is used to specify non-default `host.*`
// attributes.
host Detector
// FromEnv is used to specify non-default OTEL_RESOURCE_ATTRIBUTES
// attributes.
fromEnv Detector
}
// Option is the interface that applies a configuration option.
type Option interface {
// Apply sets the Option value of a config.
Apply(*config)
// A private method to prevent users implementing the
// interface and so future additions to it will not
// violate compatibility.
private()
}
type option struct{}
func (option) private() {}
// WithAttributes adds attributes to the configured Resource.
func WithAttributes(attributes ...attribute.KeyValue) Option {
return WithDetectors(detectAttributes{attributes})
}
type detectAttributes struct {
attributes []attribute.KeyValue
}
func (d detectAttributes) Detect(context.Context) (*Resource, error) {
return NewWithAttributes(d.attributes...), nil
}
// WithDetectors adds detectors to be evaluated for the configured resource.
func WithDetectors(detectors ...Detector) Option {
return detectorsOption{detectors: detectors}
}
type detectorsOption struct {
option
detectors []Detector
}
// Apply implements Option.
func (o detectorsOption) Apply(cfg *config) {
cfg.detectors = append(cfg.detectors, o.detectors...)
}
// WithTelemetrySDK overrides the builtin `telemetry.sdk.*`
// attributes. Use nil to disable these attributes entirely.
func WithTelemetrySDK(d Detector) Option {
return telemetrySDKOption{Detector: d}
}
type telemetrySDKOption struct {
option
Detector
}
// Apply implements Option.
func (o telemetrySDKOption) Apply(cfg *config) {
cfg.telemetrySDK = o.Detector
}
// WithHost overrides the builtin `host.*` attributes. Use nil to
// disable these attributes entirely.
func WithHost(d Detector) Option {
return hostOption{Detector: d}
}
type hostOption struct {
option
Detector
}
// Apply implements Option.
func (o hostOption) Apply(cfg *config) {
cfg.host = o.Detector
}
// WithFromEnv overrides the builtin detector for
// OTEL_RESOURCE_ATTRIBUTES. Use nil to disable environment checking.
func WithFromEnv(d Detector) Option {
return fromEnvOption{Detector: d}
}
type fromEnvOption struct {
option
Detector
}
// Apply implements Option.
func (o fromEnvOption) Apply(cfg *config) {
cfg.fromEnv = o.Detector
}
// WithoutBuiltin disables all the builtin detectors, including the
// telemetry.sdk.*, host.*, and the environment detector.
func WithoutBuiltin() Option {
return noBuiltinOption{}
}
type noBuiltinOption struct {
option
}
// Apply implements Option.
func (o noBuiltinOption) Apply(cfg *config) {
cfg.host = nil
cfg.telemetrySDK = nil
cfg.fromEnv = nil
}
// New returns a Resource combined from the provided attributes,
// user-provided detectors and builtin detectors.
func New(ctx context.Context, opts ...Option) (*Resource, error) {
cfg := config{
telemetrySDK: TelemetrySDK{},
host: Host{},
fromEnv: FromEnv{},
}
for _, opt := range opts {
opt.Apply(&cfg)
}
detectors := append(
[]Detector{cfg.telemetrySDK, cfg.host, cfg.fromEnv},
cfg.detectors...,
)
return Detect(ctx, detectors...)
}

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vendor/go.opentelemetry.io/otel/sdk/resource/doc.go generated vendored Normal file
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package resource provides detecting and representing resources.
//
// This package is currently in a pre-GA phase. Backwards incompatible changes
// may be introduced in subsequent minor version releases as we work to track
// the evolving OpenTelemetry specification and user feedback.
//
// The fundamental struct is a Resource which holds identifying information
// about the entities for which telemetry is exported.
//
// To automatically construct Resources from an environment a Detector
// interface is defined. Implementations of this interface can be passed to
// the Detect function to generate a Resource from the merged information.
//
// To load a user defined Resource from the environment variable
// OTEL_RESOURCE_ATTRIBUTES the FromEnv Detector can be used. It will interpret
// the value as a list of comma delimited key/value pairs
// (e.g. `<key1>=<value1>,<key2>=<value2>,...`).
package resource // import "go.opentelemetry.io/otel/sdk/resource"

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vendor/go.opentelemetry.io/otel/sdk/resource/env.go generated vendored Normal file
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package resource // import "go.opentelemetry.io/otel/sdk/resource"
import (
"context"
"fmt"
"os"
"strings"
"go.opentelemetry.io/otel/attribute"
)
// envVar is the environment variable name OpenTelemetry Resource information can be assigned to.
const envVar = "OTEL_RESOURCE_ATTRIBUTES"
var (
// errMissingValue is returned when a resource value is missing.
errMissingValue = fmt.Errorf("%w: missing value", ErrPartialResource)
)
// FromEnv is a Detector that implements the Detector and collects
// resources from environment. This Detector is included as a
// builtin. If these resource attributes are not wanted, use the
// WithFromEnv(nil) or WithoutBuiltin() options to explicitly disable
// them.
type FromEnv struct{}
// compile time assertion that FromEnv implements Detector interface
var _ Detector = FromEnv{}
// Detect collects resources from environment
func (FromEnv) Detect(context.Context) (*Resource, error) {
attrs := strings.TrimSpace(os.Getenv(envVar))
if attrs == "" {
return Empty(), nil
}
return constructOTResources(attrs)
}
func constructOTResources(s string) (*Resource, error) {
pairs := strings.Split(s, ",")
attrs := []attribute.KeyValue{}
var invalid []string
for _, p := range pairs {
field := strings.SplitN(p, "=", 2)
if len(field) != 2 {
invalid = append(invalid, p)
continue
}
k, v := strings.TrimSpace(field[0]), strings.TrimSpace(field[1])
attrs = append(attrs, attribute.String(k, v))
}
var err error
if len(invalid) > 0 {
err = fmt.Errorf("%w: %v", errMissingValue, invalid)
}
return NewWithAttributes(attrs...), err
}

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vendor/go.opentelemetry.io/otel/sdk/resource/os.go generated vendored Normal file
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package resource // import "go.opentelemetry.io/otel/sdk/resource"
import (
"context"
"strings"
"go.opentelemetry.io/otel/semconv"
)
type osTypeDetector struct{}
// Detect returns a *Resource that describes the operating system type the
// service is running on.
func (osTypeDetector) Detect(ctx context.Context) (*Resource, error) {
osType := runtimeOS()
return NewWithAttributes(
semconv.OSTypeKey.String(strings.ToLower(osType)),
), nil
}
// WithOSType adds an attribute with the operating system type to the configured Resource.
func WithOSType() Option {
return WithDetectors(osTypeDetector{})
}

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vendor/go.opentelemetry.io/otel/sdk/resource/process.go generated vendored Normal file
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package resource // import "go.opentelemetry.io/otel/sdk/resource"
import (
"context"
"fmt"
"os"
"os/user"
"path/filepath"
"runtime"
"go.opentelemetry.io/otel/semconv"
)
type pidProvider func() int
type executablePathProvider func() (string, error)
type commandArgsProvider func() []string
type ownerProvider func() (*user.User, error)
type runtimeNameProvider func() string
type runtimeVersionProvider func() string
type runtimeOSProvider func() string
type runtimeArchProvider func() string
var (
defaultPidProvider pidProvider = os.Getpid
defaultExecutablePathProvider executablePathProvider = os.Executable
defaultCommandArgsProvider commandArgsProvider = func() []string { return os.Args }
defaultOwnerProvider ownerProvider = user.Current
defaultRuntimeNameProvider runtimeNameProvider = func() string { return runtime.Compiler }
defaultRuntimeVersionProvider runtimeVersionProvider = runtime.Version
defaultRuntimeOSProvider runtimeOSProvider = func() string { return runtime.GOOS }
defaultRuntimeArchProvider runtimeArchProvider = func() string { return runtime.GOARCH }
)
var (
pid = defaultPidProvider
executablePath = defaultExecutablePathProvider
commandArgs = defaultCommandArgsProvider
owner = defaultOwnerProvider
runtimeName = defaultRuntimeNameProvider
runtimeVersion = defaultRuntimeVersionProvider
runtimeOS = defaultRuntimeOSProvider
runtimeArch = defaultRuntimeArchProvider
)
func setDefaultOSProviders() {
setOSProviders(
defaultPidProvider,
defaultExecutablePathProvider,
defaultCommandArgsProvider,
)
}
func setOSProviders(
pidProvider pidProvider,
executablePathProvider executablePathProvider,
commandArgsProvider commandArgsProvider,
) {
pid = pidProvider
executablePath = executablePathProvider
commandArgs = commandArgsProvider
}
func setDefaultRuntimeProviders() {
setRuntimeProviders(
defaultRuntimeNameProvider,
defaultRuntimeVersionProvider,
defaultRuntimeOSProvider,
defaultRuntimeArchProvider,
)
}
func setRuntimeProviders(
runtimeNameProvider runtimeNameProvider,
runtimeVersionProvider runtimeVersionProvider,
runtimeOSProvider runtimeOSProvider,
runtimeArchProvider runtimeArchProvider,
) {
runtimeName = runtimeNameProvider
runtimeVersion = runtimeVersionProvider
runtimeOS = runtimeOSProvider
runtimeArch = runtimeArchProvider
}
func setDefaultUserProviders() {
setUserProviders(defaultOwnerProvider)
}
func setUserProviders(ownerProvider ownerProvider) {
owner = ownerProvider
}
type processPIDDetector struct{}
type processExecutableNameDetector struct{}
type processExecutablePathDetector struct{}
type processCommandArgsDetector struct{}
type processOwnerDetector struct{}
type processRuntimeNameDetector struct{}
type processRuntimeVersionDetector struct{}
type processRuntimeDescriptionDetector struct{}
// Detect returns a *Resource that describes the process identifier (PID) of the
// executing process.
func (processPIDDetector) Detect(ctx context.Context) (*Resource, error) {
return NewWithAttributes(semconv.ProcessPIDKey.Int(pid())), nil
}
// Detect returns a *Resource that describes the name of the process executable.
func (processExecutableNameDetector) Detect(ctx context.Context) (*Resource, error) {
executableName := filepath.Base(commandArgs()[0])
return NewWithAttributes(semconv.ProcessExecutableNameKey.String(executableName)), nil
}
// Detect returns a *Resource that describes the full path of the process executable.
func (processExecutablePathDetector) Detect(ctx context.Context) (*Resource, error) {
executablePath, err := executablePath()
if err != nil {
return nil, err
}
return NewWithAttributes(semconv.ProcessExecutablePathKey.String(executablePath)), nil
}
// Detect returns a *Resource that describes all the command arguments as received
// by the process.
func (processCommandArgsDetector) Detect(ctx context.Context) (*Resource, error) {
return NewWithAttributes(semconv.ProcessCommandArgsKey.Array(commandArgs())), nil
}
// Detect returns a *Resource that describes the username of the user that owns the
// process.
func (processOwnerDetector) Detect(ctx context.Context) (*Resource, error) {
owner, err := owner()
if err != nil {
return nil, err
}
return NewWithAttributes(semconv.ProcessOwnerKey.String(owner.Username)), nil
}
// Detect returns a *Resource that describes the name of the compiler used to compile
// this process image.
func (processRuntimeNameDetector) Detect(ctx context.Context) (*Resource, error) {
return NewWithAttributes(semconv.ProcessRuntimeNameKey.String(runtimeName())), nil
}
// Detect returns a *Resource that describes the version of the runtime of this process.
func (processRuntimeVersionDetector) Detect(ctx context.Context) (*Resource, error) {
return NewWithAttributes(semconv.ProcessRuntimeVersionKey.String(runtimeVersion())), nil
}
// Detect returns a *Resource that describes the runtime of this process.
func (processRuntimeDescriptionDetector) Detect(ctx context.Context) (*Resource, error) {
runtimeDescription := fmt.Sprintf(
"go version %s %s/%s", runtimeVersion(), runtimeOS(), runtimeArch())
return NewWithAttributes(
semconv.ProcessRuntimeDescriptionKey.String(runtimeDescription),
), nil
}
// WithProcessPID adds an attribute with the process identifier (PID) to the
// configured Resource.
func WithProcessPID() Option {
return WithDetectors(processPIDDetector{})
}
// WithProcessExecutableName adds an attribute with the name of the process
// executable to the configured Resource.
func WithProcessExecutableName() Option {
return WithDetectors(processExecutableNameDetector{})
}
// WithProcessExecutablePath adds an attribute with the full path to the process
// executable to the configured Resource.
func WithProcessExecutablePath() Option {
return WithDetectors(processExecutablePathDetector{})
}
// WithProcessCommandArgs adds an attribute with all the command arguments (including
// the command/executable itself) as received by the process the configured Resource.
func WithProcessCommandArgs() Option {
return WithDetectors(processCommandArgsDetector{})
}
// WithProcessOwner adds an attribute with the username of the user that owns the process
// to the configured Resource.
func WithProcessOwner() Option {
return WithDetectors(processOwnerDetector{})
}
// WithProcessRuntimeName adds an attribute with the name of the runtime of this
// process to the configured Resource.
func WithProcessRuntimeName() Option {
return WithDetectors(processRuntimeNameDetector{})
}
// WithProcessRuntimeVersion adds an attribute with the version of the runtime of
// this process to the configured Resource.
func WithProcessRuntimeVersion() Option {
return WithDetectors(processRuntimeVersionDetector{})
}
// WithProcessRuntimeDescription adds an attribute with an additional description
// about the runtime of the process to the configured Resource.
func WithProcessRuntimeDescription() Option {
return WithDetectors(processRuntimeDescriptionDetector{})
}
// WithProcess adds all the Process attributes to the configured Resource.
// See individual WithProcess* functions to configure specific attributes.
func WithProcess() Option {
return WithDetectors(
processPIDDetector{},
processExecutableNameDetector{},
processExecutablePathDetector{},
processCommandArgsDetector{},
processOwnerDetector{},
processRuntimeNameDetector{},
processRuntimeVersionDetector{},
processRuntimeDescriptionDetector{},
)
}

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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package resource // import "go.opentelemetry.io/otel/sdk/resource"
import (
"context"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/attribute"
)
// Resource describes an entity about which identifying information
// and metadata is exposed. Resource is an immutable object,
// equivalent to a map from key to unique value.
//
// Resources should be passed and stored as pointers
// (`*resource.Resource`). The `nil` value is equivalent to an empty
// Resource.
type Resource struct {
attrs attribute.Set
}
var (
emptyResource Resource
defaultResource *Resource = func(r *Resource, err error) *Resource {
if err != nil {
otel.Handle(err)
}
return r
}(Detect(context.Background(), defaultServiceNameDetector{}, FromEnv{}, TelemetrySDK{}))
)
// NewWithAttributes creates a resource from attrs. If attrs contains
// duplicate keys, the last value will be used. If attrs contains any invalid
// items those items will be dropped.
func NewWithAttributes(attrs ...attribute.KeyValue) *Resource {
if len(attrs) == 0 {
return &emptyResource
}
// Ensure attributes comply with the specification:
// https://github.com/open-telemetry/opentelemetry-specification/blob/v1.0.1/specification/common/common.md#attributes
s, _ := attribute.NewSetWithFiltered(attrs, func(kv attribute.KeyValue) bool {
return kv.Valid()
})
// If attrs only contains invalid entries do not allocate a new resource.
if s.Len() == 0 {
return &emptyResource
}
return &Resource{s} //nolint
}
// String implements the Stringer interface and provides a
// human-readable form of the resource.
//
// Avoid using this representation as the key in a map of resources,
// use Equivalent() as the key instead.
func (r *Resource) String() string {
if r == nil {
return ""
}
return r.attrs.Encoded(attribute.DefaultEncoder())
}
// Attributes returns a copy of attributes from the resource in a sorted order.
// To avoid allocating a new slice, use an iterator.
func (r *Resource) Attributes() []attribute.KeyValue {
if r == nil {
r = Empty()
}
return r.attrs.ToSlice()
}
// Iter returns an interator of the Resource attributes.
// This is ideal to use if you do not want a copy of the attributes.
func (r *Resource) Iter() attribute.Iterator {
if r == nil {
r = Empty()
}
return r.attrs.Iter()
}
// Equal returns true when a Resource is equivalent to this Resource.
func (r *Resource) Equal(eq *Resource) bool {
if r == nil {
r = Empty()
}
if eq == nil {
eq = Empty()
}
return r.Equivalent() == eq.Equivalent()
}
// Merge creates a new resource by combining resource a and b.
//
// If there are common keys between resource a and b, then the value
// from resource b will overwrite the value from resource a, even
// if resource b's value is empty.
func Merge(a, b *Resource) *Resource {
if a == nil && b == nil {
return Empty()
}
if a == nil {
return b
}
if b == nil {
return a
}
// Note: 'b' attributes will overwrite 'a' with last-value-wins in attribute.Key()
// Meaning this is equivalent to: append(a.Attributes(), b.Attributes()...)
mi := attribute.NewMergeIterator(b.Set(), a.Set())
combine := make([]attribute.KeyValue, 0, a.Len()+b.Len())
for mi.Next() {
combine = append(combine, mi.Label())
}
return NewWithAttributes(combine...)
}
// Empty returns an instance of Resource with no attributes. It is
// equivalent to a `nil` Resource.
func Empty() *Resource {
return &emptyResource
}
// Default returns an instance of Resource with a default
// "service.name" and OpenTelemetrySDK attributes
func Default() *Resource {
return defaultResource
}
// Environment returns an instance of Resource with attributes
// extracted from the OTEL_RESOURCE_ATTRIBUTES environment variable.
func Environment() *Resource {
detector := &FromEnv{}
resource, err := detector.Detect(context.Background())
if err == nil {
otel.Handle(err)
}
return resource
}
// Equivalent returns an object that can be compared for equality
// between two resources. This value is suitable for use as a key in
// a map.
func (r *Resource) Equivalent() attribute.Distinct {
return r.Set().Equivalent()
}
// Set returns the equivalent *attribute.Set of this resources attributes.
func (r *Resource) Set() *attribute.Set {
if r == nil {
r = Empty()
}
return &r.attrs
}
// MarshalJSON encodes the resource attributes as a JSON list of { "Key":
// "...", "Value": ... } pairs in order sorted by key.
func (r *Resource) MarshalJSON() ([]byte, error) {
if r == nil {
r = Empty()
}
return r.attrs.MarshalJSON()
}
// Len returns the number of unique key-values in this Resource.
func (r *Resource) Len() int {
if r == nil {
return 0
}
return r.attrs.Len()
}
// Encoded returns an encoded representation of the resource.
func (r *Resource) Encoded(enc attribute.Encoder) string {
if r == nil {
return ""
}
return r.attrs.Encoded(enc)
}