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Code Packages Releases Activity

update k8s to v1.33

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Signed-off-by: dongjiang <dongjiang1989@126.com>
This commit is contained in:
dongjiang
2025-04-28 10:12:24 +08:00
parent 6e9622bf41
commit a249c9baf0
1273 changed files with 79284 additions and 28462 deletions
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63
vendor/github.com/prometheus/common/config/headers.go generated vendored
View File

@@ -52,7 +52,31 @@ var reservedHeaders = map[string]struct{}{
// Headers represents the configuration for HTTP headers.
type Headers struct {
Headers map[string]Header `yaml:",inline"`
dir string
}
func (h Headers) MarshalJSON() ([]byte, error) {
// Inline the Headers map when serializing JSON because json encoder doesn't support "inline" directive.
return json.Marshal(h.Headers)
}
// SetDirectory make headers file relative to the configuration file.
func (h *Headers) SetDirectory(dir string) {
if h == nil {
return
}
for _, h := range h.Headers {
h.SetDirectory(dir)
}
}
// Validate validates the Headers config.
func (h *Headers) Validate() error {
for n := range h.Headers {
if _, ok := reservedHeaders[http.CanonicalHeaderKey(n)]; ok {
return fmt.Errorf("setting header %q is not allowed", http.CanonicalHeaderKey(n))
}
}
return nil
}
// Header represents the configuration for a single HTTP header.
@@ -62,35 +86,11 @@ type Header struct {
Files []string `yaml:"files,omitempty" json:"files,omitempty"`
}
func (h Headers) MarshalJSON() ([]byte, error) {
// Inline the Headers map when serializing JSON because json encoder doesn't support "inline" directive.
return json.Marshal(h.Headers)
}
// SetDirectory records the directory to make headers file relative to the
// configuration file.
func (h *Headers) SetDirectory(dir string) {
if h == nil {
return
// SetDirectory makes headers file relative to the configuration file.
func (h *Header) SetDirectory(dir string) {
for i := range h.Files {
h.Files[i] = JoinDir(dir, h.Files[i])
}
h.dir = dir
}
// Validate validates the Headers config.
func (h *Headers) Validate() error {
for n, header := range h.Headers {
if _, ok := reservedHeaders[http.CanonicalHeaderKey(n)]; ok {
return fmt.Errorf("setting header %q is not allowed", http.CanonicalHeaderKey(n))
}
for _, v := range header.Files {
f := JoinDir(h.dir, v)
_, err := os.ReadFile(f)
if err != nil {
return fmt.Errorf("unable to read header %q from file %s: %w", http.CanonicalHeaderKey(n), f, err)
}
}
}
return nil
}
// NewHeadersRoundTripper returns a RoundTripper that sets HTTP headers on
@@ -121,10 +121,9 @@ func (rt *headersRoundTripper) RoundTrip(req *http.Request) (*http.Response, err
req.Header.Add(n, string(v))
}
for _, v := range h.Files {
f := JoinDir(rt.config.dir, v)
b, err := os.ReadFile(f)
b, err := os.ReadFile(v)
if err != nil {
return nil, fmt.Errorf("unable to read headers file %s: %w", f, err)
return nil, fmt.Errorf("unable to read headers file %s: %w", v, err)
}
req.Header.Add(n, strings.TrimSpace(string(b)))
}

84
vendor/github.com/prometheus/common/config/http_config.go generated vendored
View File

@@ -52,7 +52,8 @@ var (
http2Enabled: true,
// 5 minutes is typically above the maximum sane scrape interval. So we can
// use keepalive for all configurations.
idleConnTimeout: 5 * time.Minute,
idleConnTimeout: 5 * time.Minute,
newTLSConfigFunc: NewTLSConfigWithContext,
}
)
@@ -357,33 +358,33 @@ func nonZeroCount[T comparable](values ...T) int {
func (c *HTTPClientConfig) Validate() error {
// Backwards compatibility with the bearer_token field.
if len(c.BearerToken) > 0 && len(c.BearerTokenFile) > 0 {
return fmt.Errorf("at most one of bearer_token & bearer_token_file must be configured")
return errors.New("at most one of bearer_token & bearer_token_file must be configured")
}
if (c.BasicAuth != nil || c.OAuth2 != nil) && (len(c.BearerToken) > 0 || len(c.BearerTokenFile) > 0) {
return fmt.Errorf("at most one of basic_auth, oauth2, bearer_token & bearer_token_file must be configured")
return errors.New("at most one of basic_auth, oauth2, bearer_token & bearer_token_file must be configured")
}
if c.BasicAuth != nil && nonZeroCount(string(c.BasicAuth.Username) != "", c.BasicAuth.UsernameFile != "", c.BasicAuth.UsernameRef != "") > 1 {
return fmt.Errorf("at most one of basic_auth username, username_file & username_ref must be configured")
return errors.New("at most one of basic_auth username, username_file & username_ref must be configured")
}
if c.BasicAuth != nil && nonZeroCount(string(c.BasicAuth.Password) != "", c.BasicAuth.PasswordFile != "", c.BasicAuth.PasswordRef != "") > 1 {
return fmt.Errorf("at most one of basic_auth password, password_file & password_ref must be configured")
return errors.New("at most one of basic_auth password, password_file & password_ref must be configured")
}
if c.Authorization != nil {
if len(c.BearerToken) > 0 || len(c.BearerTokenFile) > 0 {
return fmt.Errorf("authorization is not compatible with bearer_token & bearer_token_file")
return errors.New("authorization is not compatible with bearer_token & bearer_token_file")
}
if nonZeroCount(string(c.Authorization.Credentials) != "", c.Authorization.CredentialsFile != "", c.Authorization.CredentialsRef != "") > 1 {
return fmt.Errorf("at most one of authorization credentials & credentials_file must be configured")
return errors.New("at most one of authorization credentials & credentials_file must be configured")
}
c.Authorization.Type = strings.TrimSpace(c.Authorization.Type)
if len(c.Authorization.Type) == 0 {
c.Authorization.Type = "Bearer"
}
if strings.ToLower(c.Authorization.Type) == "basic" {
return fmt.Errorf(`authorization type cannot be set to "basic", use "basic_auth" instead`)
return errors.New(`authorization type cannot be set to "basic", use "basic_auth" instead`)
}
if c.BasicAuth != nil || c.OAuth2 != nil {
return fmt.Errorf("at most one of basic_auth, oauth2 & authorization must be configured")
return errors.New("at most one of basic_auth, oauth2 & authorization must be configured")
}
} else {
if len(c.BearerToken) > 0 {
@@ -399,16 +400,16 @@ func (c *HTTPClientConfig) Validate() error {
}
if c.OAuth2 != nil {
if c.BasicAuth != nil {
return fmt.Errorf("at most one of basic_auth, oauth2 & authorization must be configured")
return errors.New("at most one of basic_auth, oauth2 & authorization must be configured")
}
if len(c.OAuth2.ClientID) == 0 {
return fmt.Errorf("oauth2 client_id must be configured")
return errors.New("oauth2 client_id must be configured")
}
if len(c.OAuth2.TokenURL) == 0 {
return fmt.Errorf("oauth2 token_url must be configured")
return errors.New("oauth2 token_url must be configured")
}
if nonZeroCount(len(c.OAuth2.ClientSecret) > 0, len(c.OAuth2.ClientSecretFile) > 0, len(c.OAuth2.ClientSecretRef) > 0) > 1 {
return fmt.Errorf("at most one of oauth2 client_secret, client_secret_file & client_secret_ref must be configured")
return errors.New("at most one of oauth2 client_secret, client_secret_file & client_secret_ref must be configured")
}
}
if err := c.ProxyConfig.Validate(); err != nil {
@@ -452,8 +453,12 @@ func (a *BasicAuth) UnmarshalYAML(unmarshal func(interface{}) error) error {
// by net.Dialer.
type DialContextFunc func(context.Context, string, string) (net.Conn, error)
// NewTLSConfigFunc returns tls.Config.
type NewTLSConfigFunc func(context.Context, *TLSConfig, ...TLSConfigOption) (*tls.Config, error)
type httpClientOptions struct {
dialContextFunc DialContextFunc
newTLSConfigFunc NewTLSConfigFunc
keepAlivesEnabled bool
http2Enabled bool
idleConnTimeout time.Duration
@@ -473,13 +478,23 @@ func (f httpClientOptionFunc) applyToHTTPClientOptions(options *httpClientOption
f(options)
}
// WithDialContextFunc allows you to override func gets used for the actual dialing. The default is `net.Dialer.DialContext`.
// WithDialContextFunc allows you to override the func gets used for the dialing.
// The default is `net.Dialer.DialContext`.
func WithDialContextFunc(fn DialContextFunc) HTTPClientOption {
return httpClientOptionFunc(func(opts *httpClientOptions) {
opts.dialContextFunc = fn
})
}
// WithNewTLSConfigFunc allows you to override the func that creates the TLS config
// from the prometheus http config.
// The default is `NewTLSConfigWithContext`.
func WithNewTLSConfigFunc(newTLSConfigFunc NewTLSConfigFunc) HTTPClientOption {
return httpClientOptionFunc(func(opts *httpClientOptions) {
opts.newTLSConfigFunc = newTLSConfigFunc
})
}
// WithKeepAlivesDisabled allows to disable HTTP keepalive.
func WithKeepAlivesDisabled() HTTPClientOption {
return httpClientOptionFunc(func(opts *httpClientOptions) {
@@ -670,7 +685,7 @@ func NewRoundTripperFromConfigWithContext(ctx context.Context, cfg HTTPClientCon
return rt, nil
}
tlsConfig, err := NewTLSConfig(&cfg.TLSConfig, WithSecretManager(opts.secretManager))
tlsConfig, err := opts.newTLSConfigFunc(ctx, &cfg.TLSConfig, WithSecretManager(opts.secretManager))
if err != nil {
return nil, err
}
@@ -679,8 +694,9 @@ func NewRoundTripperFromConfigWithContext(ctx context.Context, cfg HTTPClientCon
if err != nil {
return nil, err
}
if tlsSettings.CA == nil || tlsSettings.CA.Immutable() {
// No need for a RoundTripper that reloads the CA file automatically.
if tlsSettings.immutable() {
// No need for a RoundTripper that reloads the files automatically.
return newRT(tlsConfig)
}
return NewTLSRoundTripperWithContext(ctx, tlsConfig, tlsSettings, newRT)
@@ -735,7 +751,7 @@ func (s *FileSecret) Fetch(ctx context.Context) (string, error) {
}
func (s *FileSecret) Description() string {
return fmt.Sprintf("file %s", s.file)
return "file " + s.file
}
func (s *FileSecret) Immutable() bool {
@@ -753,7 +769,7 @@ func (s *refSecret) Fetch(ctx context.Context) (string, error) {
}
func (s *refSecret) Description() string {
return fmt.Sprintf("ref %s", s.ref)
return "ref " + s.ref
}
func (s *refSecret) Immutable() bool {
@@ -828,7 +844,7 @@ type basicAuthRoundTripper struct {
// NewBasicAuthRoundTripper will apply a BASIC auth authorization header to a request unless it has
// already been set.
func NewBasicAuthRoundTripper(username SecretReader, password SecretReader, rt http.RoundTripper) http.RoundTripper {
func NewBasicAuthRoundTripper(username, password SecretReader, rt http.RoundTripper) http.RoundTripper {
return &basicAuthRoundTripper{username, password, rt}
}
@@ -914,7 +930,7 @@ func (rt *oauth2RoundTripper) newOauth2TokenSource(req *http.Request, secret str
if err != nil {
return nil, nil, err
}
if tlsSettings.CA == nil || tlsSettings.CA.Immutable() {
if tlsSettings.immutable() {
t, _ = tlsTransport(tlsConfig)
} else {
t, err = NewTLSRoundTripperWithContext(req.Context(), tlsConfig, tlsSettings, tlsTransport)
@@ -964,7 +980,7 @@ func (rt *oauth2RoundTripper) RoundTrip(req *http.Request) (*http.Response, erro
}
rt.mtx.Lock()
rt.lastSecret = secret
rt.lastSecret = newSecret
rt.lastRT.Source = source
if rt.client != nil {
rt.client.CloseIdleConnections()
@@ -1045,7 +1061,7 @@ func NewTLSConfigWithContext(ctx context.Context, cfg *TLSConfig, optFuncs ...TL
if cfg.MaxVersion != 0 && cfg.MinVersion != 0 {
if cfg.MaxVersion < cfg.MinVersion {
return nil, fmt.Errorf("tls_config.max_version must be greater than or equal to tls_config.min_version if both are specified")
return nil, errors.New("tls_config.max_version must be greater than or equal to tls_config.min_version if both are specified")
}
}
@@ -1144,19 +1160,19 @@ func (c *TLSConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
// used.
func (c *TLSConfig) Validate() error {
if nonZeroCount(len(c.CA) > 0, len(c.CAFile) > 0, len(c.CARef) > 0) > 1 {
return fmt.Errorf("at most one of ca, ca_file & ca_ref must be configured")
return errors.New("at most one of ca, ca_file & ca_ref must be configured")
}
if nonZeroCount(len(c.Cert) > 0, len(c.CertFile) > 0, len(c.CertRef) > 0) > 1 {
return fmt.Errorf("at most one of cert, cert_file & cert_ref must be configured")
return errors.New("at most one of cert, cert_file & cert_ref must be configured")
}
if nonZeroCount(len(c.Key) > 0, len(c.KeyFile) > 0, len(c.KeyRef) > 0) > 1 {
return fmt.Errorf("at most one of key and key_file must be configured")
return errors.New("at most one of key and key_file must be configured")
}
if c.usingClientCert() && !c.usingClientKey() {
return fmt.Errorf("exactly one of key or key_file must be configured when a client certificate is configured")
return errors.New("exactly one of key or key_file must be configured when a client certificate is configured")
} else if c.usingClientKey() && !c.usingClientCert() {
return fmt.Errorf("exactly one of cert or cert_file must be configured when a client key is configured")
return errors.New("exactly one of cert or cert_file must be configured when a client key is configured")
}
return nil
@@ -1259,6 +1275,10 @@ type TLSRoundTripperSettings struct {
Key SecretReader
}
func (t *TLSRoundTripperSettings) immutable() bool {
return (t.CA == nil || t.CA.Immutable()) && (t.Cert == nil || t.Cert.Immutable()) && (t.Key == nil || t.Key.Immutable())
}
func NewTLSRoundTripper(
cfg *tls.Config,
settings TLSRoundTripperSettings,
@@ -1456,16 +1476,16 @@ type ProxyConfig struct {
// UnmarshalYAML implements the yaml.Unmarshaler interface.
func (c *ProxyConfig) Validate() error {
if len(c.ProxyConnectHeader) > 0 && (!c.ProxyFromEnvironment && (c.ProxyURL.URL == nil || c.ProxyURL.String() == "")) {
return fmt.Errorf("if proxy_connect_header is configured, proxy_url or proxy_from_environment must also be configured")
return errors.New("if proxy_connect_header is configured, proxy_url or proxy_from_environment must also be configured")
}
if c.ProxyFromEnvironment && c.ProxyURL.URL != nil && c.ProxyURL.String() != "" {
return fmt.Errorf("if proxy_from_environment is configured, proxy_url must not be configured")
return errors.New("if proxy_from_environment is configured, proxy_url must not be configured")
}
if c.ProxyFromEnvironment && c.NoProxy != "" {
return fmt.Errorf("if proxy_from_environment is configured, no_proxy must not be configured")
return errors.New("if proxy_from_environment is configured, no_proxy must not be configured")
}
if c.ProxyURL.URL == nil && c.NoProxy != "" {
return fmt.Errorf("if no_proxy is configured, proxy_url must also be configured")
return errors.New("if no_proxy is configured, proxy_url must also be configured")
}
return nil
}

14
vendor/github.com/prometheus/common/expfmt/decode.go generated vendored
View File

@@ -45,7 +45,7 @@ func ResponseFormat(h http.Header) Format {
mediatype, params, err := mime.ParseMediaType(ct)
if err != nil {
return fmtUnknown
return FmtUnknown
}
const textType = "text/plain"
@@ -53,21 +53,21 @@ func ResponseFormat(h http.Header) Format {
switch mediatype {
case ProtoType:
if p, ok := params["proto"]; ok && p != ProtoProtocol {
return fmtUnknown
return FmtUnknown
}
if e, ok := params["encoding"]; ok && e != "delimited" {
return fmtUnknown
return FmtUnknown
}
return fmtProtoDelim
return FmtProtoDelim
case textType:
if v, ok := params["version"]; ok && v != TextVersion {
return fmtUnknown
return FmtUnknown
}
return fmtText
return FmtText
}
return fmtUnknown
return FmtUnknown
}
// NewDecoder returns a new decoder based on the given input format.

28
vendor/github.com/prometheus/common/expfmt/encode.go generated vendored
View File

@@ -68,7 +68,7 @@ func Negotiate(h http.Header) Format {
if escapeParam := ac.Params[model.EscapingKey]; escapeParam != "" {
switch Format(escapeParam) {
case model.AllowUTF8, model.EscapeUnderscores, model.EscapeDots, model.EscapeValues:
escapingScheme = Format(fmt.Sprintf("; escaping=%s", escapeParam))
escapingScheme = Format("; escaping=" + escapeParam)
default:
// If the escaping parameter is unknown, ignore it.
}
@@ -77,18 +77,18 @@ func Negotiate(h http.Header) Format {
if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol {
switch ac.Params["encoding"] {
case "delimited":
return fmtProtoDelim + escapingScheme
return FmtProtoDelim + escapingScheme
case "text":
return fmtProtoText + escapingScheme
return FmtProtoText + escapingScheme
case "compact-text":
return fmtProtoCompact + escapingScheme
return FmtProtoCompact + escapingScheme
}
}
if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") {
return fmtText + escapingScheme
return FmtText + escapingScheme
}
}
return fmtText + escapingScheme
return FmtText + escapingScheme
}
// NegotiateIncludingOpenMetrics works like Negotiate but includes
@@ -101,7 +101,7 @@ func NegotiateIncludingOpenMetrics(h http.Header) Format {
if escapeParam := ac.Params[model.EscapingKey]; escapeParam != "" {
switch Format(escapeParam) {
case model.AllowUTF8, model.EscapeUnderscores, model.EscapeDots, model.EscapeValues:
escapingScheme = Format(fmt.Sprintf("; escaping=%s", escapeParam))
escapingScheme = Format("; escaping=" + escapeParam)
default:
// If the escaping parameter is unknown, ignore it.
}
@@ -110,26 +110,26 @@ func NegotiateIncludingOpenMetrics(h http.Header) Format {
if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol {
switch ac.Params["encoding"] {
case "delimited":
return fmtProtoDelim + escapingScheme
return FmtProtoDelim + escapingScheme
case "text":
return fmtProtoText + escapingScheme
return FmtProtoText + escapingScheme
case "compact-text":
return fmtProtoCompact + escapingScheme
return FmtProtoCompact + escapingScheme
}
}
if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") {
return fmtText + escapingScheme
return FmtText + escapingScheme
}
if ac.Type+"/"+ac.SubType == OpenMetricsType && (ver == OpenMetricsVersion_0_0_1 || ver == OpenMetricsVersion_1_0_0 || ver == "") {
switch ver {
case OpenMetricsVersion_1_0_0:
return fmtOpenMetrics_1_0_0 + escapingScheme
return FmtOpenMetrics_1_0_0 + escapingScheme
default:
return fmtOpenMetrics_0_0_1 + escapingScheme
return FmtOpenMetrics_0_0_1 + escapingScheme
}
}
}
return fmtText + escapingScheme
return FmtText + escapingScheme
}
// NewEncoder returns a new encoder based on content type negotiation. All

78
vendor/github.com/prometheus/common/expfmt/expfmt.go generated vendored
View File

@@ -15,7 +15,7 @@
package expfmt
import (
"fmt"
"errors"
"strings"
"github.com/prometheus/common/model"
@@ -32,24 +32,31 @@ type Format string
// it on the wire, new content-type strings will have to be agreed upon and
// added here.
const (
TextVersion = "0.0.4"
ProtoType = `application/vnd.google.protobuf`
ProtoProtocol = `io.prometheus.client.MetricFamily`
protoFmt = ProtoType + "; proto=" + ProtoProtocol + ";"
TextVersion = "0.0.4"
ProtoType = `application/vnd.google.protobuf`
ProtoProtocol = `io.prometheus.client.MetricFamily`
// Deprecated: Use expfmt.NewFormat(expfmt.TypeProtoCompact) instead.
ProtoFmt = ProtoType + "; proto=" + ProtoProtocol + ";"
OpenMetricsType = `application/openmetrics-text`
OpenMetricsVersion_0_0_1 = "0.0.1"
OpenMetricsVersion_1_0_0 = "1.0.0"
// The Content-Type values for the different wire protocols. Note that these
// values are now unexported. If code was relying on comparisons to these
// constants, instead use FormatType().
fmtUnknown Format = `<unknown>`
fmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8`
fmtProtoDelim Format = protoFmt + ` encoding=delimited`
fmtProtoText Format = protoFmt + ` encoding=text`
fmtProtoCompact Format = protoFmt + ` encoding=compact-text`
fmtOpenMetrics_1_0_0 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_1_0_0 + `; charset=utf-8`
fmtOpenMetrics_0_0_1 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_0_0_1 + `; charset=utf-8`
// The Content-Type values for the different wire protocols. Do not do direct
// comparisons to these constants, instead use the comparison functions.
// Deprecated: Use expfmt.NewFormat(expfmt.TypeUnknown) instead.
FmtUnknown Format = `<unknown>`
// Deprecated: Use expfmt.NewFormat(expfmt.TypeTextPlain) instead.
FmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8`
// Deprecated: Use expfmt.NewFormat(expfmt.TypeProtoDelim) instead.
FmtProtoDelim Format = ProtoFmt + ` encoding=delimited`
// Deprecated: Use expfmt.NewFormat(expfmt.TypeProtoText) instead.
FmtProtoText Format = ProtoFmt + ` encoding=text`
// Deprecated: Use expfmt.NewFormat(expfmt.TypeProtoCompact) instead.
FmtProtoCompact Format = ProtoFmt + ` encoding=compact-text`
// Deprecated: Use expfmt.NewFormat(expfmt.TypeOpenMetrics) instead.
FmtOpenMetrics_1_0_0 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_1_0_0 + `; charset=utf-8`
// Deprecated: Use expfmt.NewFormat(expfmt.TypeOpenMetrics) instead.
FmtOpenMetrics_0_0_1 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_0_0_1 + `; charset=utf-8`
)
const (
@@ -79,17 +86,17 @@ const (
func NewFormat(t FormatType) Format {
switch t {
case TypeProtoCompact:
return fmtProtoCompact
return FmtProtoCompact
case TypeProtoDelim:
return fmtProtoDelim
return FmtProtoDelim
case TypeProtoText:
return fmtProtoText
return FmtProtoText
case TypeTextPlain:
return fmtText
return FmtText
case TypeOpenMetrics:
return fmtOpenMetrics_1_0_0
return FmtOpenMetrics_1_0_0
default:
return fmtUnknown
return FmtUnknown
}
}
@@ -97,12 +104,35 @@ func NewFormat(t FormatType) Format {
// specified version number.
func NewOpenMetricsFormat(version string) (Format, error) {
if version == OpenMetricsVersion_0_0_1 {
return fmtOpenMetrics_0_0_1, nil
return FmtOpenMetrics_0_0_1, nil
}
if version == OpenMetricsVersion_1_0_0 {
return fmtOpenMetrics_1_0_0, nil
return FmtOpenMetrics_1_0_0, nil
}
return fmtUnknown, fmt.Errorf("unknown open metrics version string")
return FmtUnknown, errors.New("unknown open metrics version string")
}
// WithEscapingScheme returns a copy of Format with the specified escaping
// scheme appended to the end. If an escaping scheme already exists it is
// removed.
func (f Format) WithEscapingScheme(s model.EscapingScheme) Format {
var terms []string
for _, p := range strings.Split(string(f), ";") {
toks := strings.Split(p, "=")
if len(toks) != 2 {
trimmed := strings.TrimSpace(p)
if len(trimmed) > 0 {
terms = append(terms, trimmed)
}
continue
}
key := strings.TrimSpace(toks[0])
if key != model.EscapingKey {
terms = append(terms, strings.TrimSpace(p))
}
}
terms = append(terms, model.EscapingKey+"="+s.String())
return Format(strings.Join(terms, "; "))
}
// FormatType deduces an overall FormatType for the given format.

10
vendor/github.com/prometheus/common/expfmt/openmetrics_create.go generated vendored
View File

@@ -38,7 +38,7 @@ type EncoderOption func(*encoderOption)
// WithCreatedLines is an EncoderOption that configures the OpenMetrics encoder
// to include _created lines (See
// https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#counter-1).
// https://github.com/prometheus/OpenMetrics/blob/v1.0.0/specification/OpenMetrics.md#counter-1).
// Created timestamps can improve the accuracy of series reset detection, but
// come with a bandwidth cost.
//
@@ -102,7 +102,7 @@ func WithUnit() EncoderOption {
//
// - According to the OM specs, the `# UNIT` line is optional, but if populated,
// the unit has to be present in the metric name as its suffix:
// (see https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#unit).
// (see https://github.com/prometheus/OpenMetrics/blob/v1.0.0/specification/OpenMetrics.md#unit).
// However, in order to accommodate any potential scenario where such a change in the
// metric name is not desirable, the users are here given the choice of either explicitly
// opt in, in case they wish for the unit to be included in the output AND in the metric name
@@ -152,8 +152,8 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily, options ...E
if metricType == dto.MetricType_COUNTER && strings.HasSuffix(compliantName, "_total") {
compliantName = name[:len(name)-6]
}
if toOM.withUnit && in.Unit != nil && !strings.HasSuffix(compliantName, fmt.Sprintf("_%s", *in.Unit)) {
compliantName = compliantName + fmt.Sprintf("_%s", *in.Unit)
if toOM.withUnit && in.Unit != nil && !strings.HasSuffix(compliantName, "_"+*in.Unit) {
compliantName = compliantName + "_" + *in.Unit
}
// Comments, first HELP, then TYPE.
@@ -477,7 +477,7 @@ func writeOpenMetricsNameAndLabelPairs(
if name != "" {
// If the name does not pass the legacy validity check, we must put the
// metric name inside the braces, quoted.
if !model.IsValidLegacyMetricName(model.LabelValue(name)) {
if !model.IsValidLegacyMetricName(name) {
metricInsideBraces = true
err := w.WriteByte(separator)
written++

4
vendor/github.com/prometheus/common/expfmt/text_create.go generated vendored
View File

@@ -354,7 +354,7 @@ func writeNameAndLabelPairs(
if name != "" {
// If the name does not pass the legacy validity check, we must put the
// metric name inside the braces.
if !model.IsValidLegacyMetricName(model.LabelValue(name)) {
if !model.IsValidLegacyMetricName(name) {
metricInsideBraces = true
err := w.WriteByte(separator)
written++
@@ -498,7 +498,7 @@ func writeInt(w enhancedWriter, i int64) (int, error) {
// writeName writes a string as-is if it complies with the legacy naming
// scheme, or escapes it in double quotes if not.
func writeName(w enhancedWriter, name string) (int, error) {
if model.IsValidLegacyMetricName(model.LabelValue(name)) {
if model.IsValidLegacyMetricName(name) {
return w.WriteString(name)
}
var written int

164
vendor/github.com/prometheus/common/expfmt/text_parse.go generated vendored
View File

@@ -22,9 +22,9 @@ import (
"math"
"strconv"
"strings"
"unicode/utf8"
dto "github.com/prometheus/client_model/go"
"google.golang.org/protobuf/proto"
"github.com/prometheus/common/model"
@@ -60,6 +60,7 @@ type TextParser struct {
currentMF *dto.MetricFamily
currentMetric *dto.Metric
currentLabelPair *dto.LabelPair
currentLabelPairs []*dto.LabelPair // Temporarily stores label pairs while parsing a metric line.
// The remaining member variables are only used for summaries/histograms.
currentLabels map[string]string // All labels including '__name__' but excluding 'quantile'/'le'
@@ -74,6 +75,9 @@ type TextParser struct {
// count and sum of that summary/histogram.
currentIsSummaryCount, currentIsSummarySum bool
currentIsHistogramCount, currentIsHistogramSum bool
// These indicate if the metric name from the current line being parsed is inside
// braces and if that metric name was found respectively.
currentMetricIsInsideBraces, currentMetricInsideBracesIsPresent bool
}
// TextToMetricFamilies reads 'in' as the simple and flat text-based exchange
@@ -137,12 +141,15 @@ func (p *TextParser) reset(in io.Reader) {
}
p.currentQuantile = math.NaN()
p.currentBucket = math.NaN()
p.currentMF = nil
}
// startOfLine represents the state where the next byte read from p.buf is the
// start of a line (or whitespace leading up to it).
func (p *TextParser) startOfLine() stateFn {
p.lineCount++
p.currentMetricIsInsideBraces = false
p.currentMetricInsideBracesIsPresent = false
if p.skipBlankTab(); p.err != nil {
// This is the only place that we expect to see io.EOF,
// which is not an error but the signal that we are done.
@@ -158,6 +165,9 @@ func (p *TextParser) startOfLine() stateFn {
return p.startComment
case '\n':
return p.startOfLine // Empty line, start the next one.
case '{':
p.currentMetricIsInsideBraces = true
return p.readingLabels
}
return p.readingMetricName
}
@@ -275,6 +285,8 @@ func (p *TextParser) startLabelName() stateFn {
return nil // Unexpected end of input.
}
if p.currentByte == '}' {
p.currentMetric.Label = append(p.currentMetric.Label, p.currentLabelPairs...)
p.currentLabelPairs = nil
if p.skipBlankTab(); p.err != nil {
return nil // Unexpected end of input.
}
@@ -287,6 +299,45 @@ func (p *TextParser) startLabelName() stateFn {
p.parseError(fmt.Sprintf("invalid label name for metric %q", p.currentMF.GetName()))
return nil
}
if p.skipBlankTabIfCurrentBlankTab(); p.err != nil {
return nil // Unexpected end of input.
}
if p.currentByte != '=' {
if p.currentMetricIsInsideBraces {
if p.currentMetricInsideBracesIsPresent {
p.parseError(fmt.Sprintf("multiple metric names for metric %q", p.currentMF.GetName()))
return nil
}
switch p.currentByte {
case ',':
p.setOrCreateCurrentMF()
if p.currentMF.Type == nil {
p.currentMF.Type = dto.MetricType_UNTYPED.Enum()
}
p.currentMetric = &dto.Metric{}
p.currentMetricInsideBracesIsPresent = true
return p.startLabelName
case '}':
p.setOrCreateCurrentMF()
if p.currentMF.Type == nil {
p.currentMF.Type = dto.MetricType_UNTYPED.Enum()
}
p.currentMetric = &dto.Metric{}
p.currentMetric.Label = append(p.currentMetric.Label, p.currentLabelPairs...)
p.currentLabelPairs = nil
if p.skipBlankTab(); p.err != nil {
return nil // Unexpected end of input.
}
return p.readingValue
default:
p.parseError(fmt.Sprintf("unexpected end of metric name %q", p.currentByte))
return nil
}
}
p.parseError(fmt.Sprintf("expected '=' after label name, found %q", p.currentByte))
p.currentLabelPairs = nil
return nil
}
p.currentLabelPair = &dto.LabelPair{Name: proto.String(p.currentToken.String())}
if p.currentLabelPair.GetName() == string(model.MetricNameLabel) {
p.parseError(fmt.Sprintf("label name %q is reserved", model.MetricNameLabel))
@@ -296,23 +347,17 @@ func (p *TextParser) startLabelName() stateFn {
// labels to 'real' labels.
if !(p.currentMF.GetType() == dto.MetricType_SUMMARY && p.currentLabelPair.GetName() == model.QuantileLabel) &&
!(p.currentMF.GetType() == dto.MetricType_HISTOGRAM && p.currentLabelPair.GetName() == model.BucketLabel) {
p.currentMetric.Label = append(p.currentMetric.Label, p.currentLabelPair)
}
if p.skipBlankTabIfCurrentBlankTab(); p.err != nil {
return nil // Unexpected end of input.
}
if p.currentByte != '=' {
p.parseError(fmt.Sprintf("expected '=' after label name, found %q", p.currentByte))
return nil
p.currentLabelPairs = append(p.currentLabelPairs, p.currentLabelPair)
}
// Check for duplicate label names.
labels := make(map[string]struct{})
for _, l := range p.currentMetric.Label {
for _, l := range p.currentLabelPairs {
lName := l.GetName()
if _, exists := labels[lName]; !exists {
labels[lName] = struct{}{}
} else {
p.parseError(fmt.Sprintf("duplicate label names for metric %q", p.currentMF.GetName()))
p.currentLabelPairs = nil
return nil
}
}
@@ -345,6 +390,7 @@ func (p *TextParser) startLabelValue() stateFn {
if p.currentQuantile, p.err = parseFloat(p.currentLabelPair.GetValue()); p.err != nil {
// Create a more helpful error message.
p.parseError(fmt.Sprintf("expected float as value for 'quantile' label, got %q", p.currentLabelPair.GetValue()))
p.currentLabelPairs = nil
return nil
}
} else {
@@ -371,12 +417,19 @@ func (p *TextParser) startLabelValue() stateFn {
return p.startLabelName
case '}':
if p.currentMF == nil {
p.parseError("invalid metric name")
return nil
}
p.currentMetric.Label = append(p.currentMetric.Label, p.currentLabelPairs...)
p.currentLabelPairs = nil
if p.skipBlankTab(); p.err != nil {
return nil // Unexpected end of input.
}
return p.readingValue
default:
p.parseError(fmt.Sprintf("unexpected end of label value %q", p.currentLabelPair.GetValue()))
p.currentLabelPairs = nil
return nil
}
}
@@ -585,6 +638,8 @@ func (p *TextParser) readTokenUntilNewline(recognizeEscapeSequence bool) {
p.currentToken.WriteByte(p.currentByte)
case 'n':
p.currentToken.WriteByte('\n')
case '"':
p.currentToken.WriteByte('"')
default:
p.parseError(fmt.Sprintf("invalid escape sequence '\\%c'", p.currentByte))
return
@@ -610,13 +665,45 @@ func (p *TextParser) readTokenUntilNewline(recognizeEscapeSequence bool) {
// but not into p.currentToken.
func (p *TextParser) readTokenAsMetricName() {
p.currentToken.Reset()
// A UTF-8 metric name must be quoted and may have escaped characters.
quoted := false
escaped := false
if !isValidMetricNameStart(p.currentByte) {
return
}
for {
p.currentToken.WriteByte(p.currentByte)
for p.err == nil {
if escaped {
switch p.currentByte {
case '\\':
p.currentToken.WriteByte(p.currentByte)
case 'n':
p.currentToken.WriteByte('\n')
case '"':
p.currentToken.WriteByte('"')
default:
p.parseError(fmt.Sprintf("invalid escape sequence '\\%c'", p.currentByte))
return
}
escaped = false
} else {
switch p.currentByte {
case '"':
quoted = !quoted
if !quoted {
p.currentByte, p.err = p.buf.ReadByte()
return
}
case '\n':
p.parseError(fmt.Sprintf("metric name %q contains unescaped new-line", p.currentToken.String()))
return
case '\\':
escaped = true
default:
p.currentToken.WriteByte(p.currentByte)
}
}
p.currentByte, p.err = p.buf.ReadByte()
if p.err != nil || !isValidMetricNameContinuation(p.currentByte) {
if !isValidMetricNameContinuation(p.currentByte, quoted) || (!quoted && p.currentByte == ' ') {
return
}
}
@@ -628,13 +715,45 @@ func (p *TextParser) readTokenAsMetricName() {
// but not into p.currentToken.
func (p *TextParser) readTokenAsLabelName() {
p.currentToken.Reset()
// A UTF-8 label name must be quoted and may have escaped characters.
quoted := false
escaped := false
if !isValidLabelNameStart(p.currentByte) {
return
}
for {
p.currentToken.WriteByte(p.currentByte)
for p.err == nil {
if escaped {
switch p.currentByte {
case '\\':
p.currentToken.WriteByte(p.currentByte)
case 'n':
p.currentToken.WriteByte('\n')
case '"':
p.currentToken.WriteByte('"')
default:
p.parseError(fmt.Sprintf("invalid escape sequence '\\%c'", p.currentByte))
return
}
escaped = false
} else {
switch p.currentByte {
case '"':
quoted = !quoted
if !quoted {
p.currentByte, p.err = p.buf.ReadByte()
return
}
case '\n':
p.parseError(fmt.Sprintf("label name %q contains unescaped new-line", p.currentToken.String()))
return
case '\\':
escaped = true
default:
p.currentToken.WriteByte(p.currentByte)
}
}
p.currentByte, p.err = p.buf.ReadByte()
if p.err != nil || !isValidLabelNameContinuation(p.currentByte) {
if !isValidLabelNameContinuation(p.currentByte, quoted) || (!quoted && p.currentByte == '=') {
return
}
}
@@ -660,6 +779,7 @@ func (p *TextParser) readTokenAsLabelValue() {
p.currentToken.WriteByte('\n')
default:
p.parseError(fmt.Sprintf("invalid escape sequence '\\%c'", p.currentByte))
p.currentLabelPairs = nil
return
}
escaped = false
@@ -718,19 +838,19 @@ func (p *TextParser) setOrCreateCurrentMF() {
}
func isValidLabelNameStart(b byte) bool {
return (b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_'
return (b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || b == '"'
}
func isValidLabelNameContinuation(b byte) bool {
return isValidLabelNameStart(b) || (b >= '0' && b <= '9')
func isValidLabelNameContinuation(b byte, quoted bool) bool {
return isValidLabelNameStart(b) || (b >= '0' && b <= '9') || (quoted && utf8.ValidString(string(b)))
}
func isValidMetricNameStart(b byte) bool {
return isValidLabelNameStart(b) || b == ':'
}
func isValidMetricNameContinuation(b byte) bool {
return isValidLabelNameContinuation(b) || b == ':'
func isValidMetricNameContinuation(b byte, quoted bool) bool {
return isValidLabelNameContinuation(b, quoted) || b == ':'
}
func isBlankOrTab(b byte) bool {
@@ -775,7 +895,7 @@ func histogramMetricName(name string) string {
func parseFloat(s string) (float64, error) {
if strings.ContainsAny(s, "pP_") {
return 0, fmt.Errorf("unsupported character in float")
return 0, errors.New("unsupported character in float")
}
return strconv.ParseFloat(s, 64)
}

7
vendor/github.com/prometheus/common/model/alert.go generated vendored
View File

@@ -14,6 +14,7 @@
package model
import (
"errors"
"fmt"
"time"
)
@@ -89,16 +90,16 @@ func (a *Alert) StatusAt(ts time.Time) AlertStatus {
// Validate checks whether the alert data is inconsistent.
func (a *Alert) Validate() error {
if a.StartsAt.IsZero() {
return fmt.Errorf("start time missing")
return errors.New("start time missing")
}
if !a.EndsAt.IsZero() && a.EndsAt.Before(a.StartsAt) {
return fmt.Errorf("start time must be before end time")
return errors.New("start time must be before end time")
}
if err := a.Labels.Validate(); err != nil {
return fmt.Errorf("invalid label set: %w", err)
}
if len(a.Labels) == 0 {
return fmt.Errorf("at least one label pair required")
return errors.New("at least one label pair required")
}
if err := a.Annotations.Validate(); err != nil {
return fmt.Errorf("invalid annotations: %w", err)

27
vendor/github.com/prometheus/common/model/labels.go generated vendored
View File

@@ -97,26 +97,35 @@ var LabelNameRE = regexp.MustCompile("^[a-zA-Z_][a-zA-Z0-9_]*$")
// therewith.
type LabelName string
// IsValid returns true iff name matches the pattern of LabelNameRE for legacy
// names, and iff it's valid UTF-8 if NameValidationScheme is set to
// UTF8Validation. For the legacy matching, it does not use LabelNameRE for the
// check but a much faster hardcoded implementation.
// IsValid returns true iff the name matches the pattern of LabelNameRE when
// NameValidationScheme is set to LegacyValidation, or valid UTF-8 if
// NameValidationScheme is set to UTF8Validation.
func (ln LabelName) IsValid() bool {
if len(ln) == 0 {
return false
}
switch NameValidationScheme {
case LegacyValidation:
for i, b := range ln {
if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || (b >= '0' && b <= '9' && i > 0)) {
return false
}
}
return ln.IsValidLegacy()
case UTF8Validation:
return utf8.ValidString(string(ln))
default:
panic(fmt.Sprintf("Invalid name validation scheme requested: %d", NameValidationScheme))
}
}
// IsValidLegacy returns true iff name matches the pattern of LabelNameRE for
// legacy names. It does not use LabelNameRE for the check but a much faster
// hardcoded implementation.
func (ln LabelName) IsValidLegacy() bool {
if len(ln) == 0 {
return false
}
for i, b := range ln {
if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || (b >= '0' && b <= '9' && i > 0)) {
return false
}
}
return true
}

2
vendor/github.com/prometheus/common/model/labelset_string.go generated vendored
View File

@@ -11,8 +11,6 @@
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build go1.21
package model
import (

39
vendor/github.com/prometheus/common/model/labelset_string_go120.go generated vendored
View File

@@ -1,39 +0,0 @@
// Copyright 2024 The Prometheus 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.
//go:build !go1.21
package model
import (
"fmt"
"sort"
"strings"
)
// String was optimized using functions not available for go 1.20
// or lower. We keep the old implementation for compatibility with client_golang.
// Once client golang drops support for go 1.20 (scheduled for August 2024), this
// file can be removed.
func (l LabelSet) String() string {
labelNames := make([]string, 0, len(l))
for name := range l {
labelNames = append(labelNames, string(name))
}
sort.Strings(labelNames)
lstrs := make([]string, 0, len(l))
for _, name := range labelNames {
lstrs = append(lstrs, fmt.Sprintf("%s=%q", name, l[LabelName(name)]))
}
return fmt.Sprintf("{%s}", strings.Join(lstrs, ", "))
}

76
vendor/github.com/prometheus/common/model/metric.go generated vendored
View File

@@ -14,9 +14,11 @@
package model
import (
"errors"
"fmt"
"regexp"
"sort"
"strconv"
"strings"
"unicode/utf8"
@@ -26,18 +28,21 @@ import (
var (
// NameValidationScheme determines the method of name validation to be used by
// all calls to IsValidMetricName() and LabelName IsValid(). Setting UTF-8 mode
// in isolation from other components that don't support UTF-8 may result in
// bugs or other undefined behavior. This value is intended to be set by
// UTF-8-aware binaries as part of their startup. To avoid need for locking,
// this value should be set once, ideally in an init(), before multiple
// goroutines are started.
NameValidationScheme = LegacyValidation
// all calls to IsValidMetricName() and LabelName IsValid(). Setting UTF-8
// mode in isolation from other components that don't support UTF-8 may result
// in bugs or other undefined behavior. This value can be set to
// LegacyValidation during startup if a binary is not UTF-8-aware binaries. To
// avoid need for locking, this value should be set once, ideally in an
// init(), before multiple goroutines are started.
NameValidationScheme = UTF8Validation
// NameEscapingScheme defines the default way that names will be
// escaped when presented to systems that do not support UTF-8 names. If the
// Content-Type "escaping" term is specified, that will override this value.
NameEscapingScheme = ValueEncodingEscaping
// NameEscapingScheme defines the default way that names will be escaped when
// presented to systems that do not support UTF-8 names. If the Content-Type
// "escaping" term is specified, that will override this value.
// NameEscapingScheme should not be set to the NoEscaping value. That string
// is used in content negotiation to indicate that a system supports UTF-8 and
// has that feature enabled.
NameEscapingScheme = UnderscoreEscaping
)
// ValidationScheme is a Go enum for determining how metric and label names will
@@ -161,7 +166,7 @@ func (m Metric) FastFingerprint() Fingerprint {
func IsValidMetricName(n LabelValue) bool {
switch NameValidationScheme {
case LegacyValidation:
return IsValidLegacyMetricName(n)
return IsValidLegacyMetricName(string(n))
case UTF8Validation:
if len(n) == 0 {
return false
@@ -176,7 +181,7 @@ func IsValidMetricName(n LabelValue) bool {
// legacy validation scheme regardless of the value of NameValidationScheme.
// This function, however, does not use MetricNameRE for the check but a much
// faster hardcoded implementation.
func IsValidLegacyMetricName(n LabelValue) bool {
func IsValidLegacyMetricName(n string) bool {
if len(n) == 0 {
return false
}
@@ -208,7 +213,7 @@ func EscapeMetricFamily(v *dto.MetricFamily, scheme EscapingScheme) *dto.MetricF
}
// If the name is nil, copy as-is, don't try to escape.
if v.Name == nil || IsValidLegacyMetricName(LabelValue(v.GetName())) {
if v.Name == nil || IsValidLegacyMetricName(v.GetName()) {
out.Name = v.Name
} else {
out.Name = proto.String(EscapeName(v.GetName(), scheme))
@@ -230,7 +235,7 @@ func EscapeMetricFamily(v *dto.MetricFamily, scheme EscapingScheme) *dto.MetricF
for _, l := range m.Label {
if l.GetName() == MetricNameLabel {
if l.Value == nil || IsValidLegacyMetricName(LabelValue(l.GetValue())) {
if l.Value == nil || IsValidLegacyMetricName(l.GetValue()) {
escaped.Label = append(escaped.Label, l)
continue
}
@@ -240,7 +245,7 @@ func EscapeMetricFamily(v *dto.MetricFamily, scheme EscapingScheme) *dto.MetricF
})
continue
}
if l.Name == nil || IsValidLegacyMetricName(LabelValue(l.GetName())) {
if l.Name == nil || IsValidLegacyMetricName(l.GetName()) {
escaped.Label = append(escaped.Label, l)
continue
}
@@ -256,20 +261,16 @@ func EscapeMetricFamily(v *dto.MetricFamily, scheme EscapingScheme) *dto.MetricF
func metricNeedsEscaping(m *dto.Metric) bool {
for _, l := range m.Label {
if l.GetName() == MetricNameLabel && !IsValidLegacyMetricName(LabelValue(l.GetValue())) {
if l.GetName() == MetricNameLabel && !IsValidLegacyMetricName(l.GetValue()) {
return true
}
if !IsValidLegacyMetricName(LabelValue(l.GetName())) {
if !IsValidLegacyMetricName(l.GetName()) {
return true
}
}
return false
}
const (
lowerhex = "0123456789abcdef"
)
// EscapeName escapes the incoming name according to the provided escaping
// scheme. Depending on the rules of escaping, this may cause no change in the
// string that is returned. (Especially NoEscaping, which by definition is a
@@ -283,7 +284,7 @@ func EscapeName(name string, scheme EscapingScheme) string {
case NoEscaping:
return name
case UnderscoreEscaping:
if IsValidLegacyMetricName(LabelValue(name)) {
if IsValidLegacyMetricName(name) {
return name
}
for i, b := range name {
@@ -304,31 +305,25 @@ func EscapeName(name string, scheme EscapingScheme) string {
} else if isValidLegacyRune(b, i) {
escaped.WriteRune(b)
} else {
escaped.WriteRune('_')
escaped.WriteString("__")
}
}
return escaped.String()
case ValueEncodingEscaping:
if IsValidLegacyMetricName(LabelValue(name)) {
if IsValidLegacyMetricName(name) {
return name
}
escaped.WriteString("U__")
for i, b := range name {
if isValidLegacyRune(b, i) {
if b == '_' {
escaped.WriteString("__")
} else if isValidLegacyRune(b, i) {
escaped.WriteRune(b)
} else if !utf8.ValidRune(b) {
escaped.WriteString("_FFFD_")
} else if b < 0x100 {
} else {
escaped.WriteRune('_')
for s := 4; s >= 0; s -= 4 {
escaped.WriteByte(lowerhex[b>>uint(s)&0xF])
}
escaped.WriteRune('_')
} else if b < 0x10000 {
escaped.WriteRune('_')
for s := 12; s >= 0; s -= 4 {
escaped.WriteByte(lowerhex[b>>uint(s)&0xF])
}
escaped.WriteString(strconv.FormatInt(int64(b), 16))
escaped.WriteRune('_')
}
}
@@ -386,8 +381,9 @@ func UnescapeName(name string, scheme EscapingScheme) string {
// We think we are in a UTF-8 code, process it.
var utf8Val uint
for j := 0; i < len(escapedName); j++ {
// This is too many characters for a utf8 value.
if j > 4 {
// This is too many characters for a utf8 value based on the MaxRune
// value of '\U0010FFFF'.
if j >= 6 {
return name
}
// Found a closing underscore, convert to a rune, check validity, and append.
@@ -440,7 +436,7 @@ func (e EscapingScheme) String() string {
func ToEscapingScheme(s string) (EscapingScheme, error) {
if s == "" {
return NoEscaping, fmt.Errorf("got empty string instead of escaping scheme")
return NoEscaping, errors.New("got empty string instead of escaping scheme")
}
switch s {
case AllowUTF8:
@@ -452,6 +448,6 @@ func ToEscapingScheme(s string) (EscapingScheme, error) {
case EscapeValues:
return ValueEncodingEscaping, nil
default:
return NoEscaping, fmt.Errorf("unknown format scheme " + s)
return NoEscaping, fmt.Errorf("unknown format scheme %s", s)
}
}

17
vendor/github.com/prometheus/common/model/silence.go generated vendored
View File

@@ -15,6 +15,7 @@ package model
import (
"encoding/json"
"errors"
"fmt"
"regexp"
"time"
@@ -34,7 +35,7 @@ func (m *Matcher) UnmarshalJSON(b []byte) error {
}
if len(m.Name) == 0 {
return fmt.Errorf("label name in matcher must not be empty")
return errors.New("label name in matcher must not be empty")
}
if m.IsRegex {
if _, err := regexp.Compile(m.Value); err != nil {
@@ -77,7 +78,7 @@ type Silence struct {
// Validate returns true iff all fields of the silence have valid values.
func (s *Silence) Validate() error {
if len(s.Matchers) == 0 {
return fmt.Errorf("at least one matcher required")
return errors.New("at least one matcher required")
}
for _, m := range s.Matchers {
if err := m.Validate(); err != nil {
@@ -85,22 +86,22 @@ func (s *Silence) Validate() error {
}
}
if s.StartsAt.IsZero() {
return fmt.Errorf("start time missing")
return errors.New("start time missing")
}
if s.EndsAt.IsZero() {
return fmt.Errorf("end time missing")
return errors.New("end time missing")
}
if s.EndsAt.Before(s.StartsAt) {
return fmt.Errorf("start time must be before end time")
return errors.New("start time must be before end time")
}
if s.CreatedBy == "" {
return fmt.Errorf("creator information missing")
return errors.New("creator information missing")
}
if s.Comment == "" {
return fmt.Errorf("comment missing")
return errors.New("comment missing")
}
if s.CreatedAt.IsZero() {
return fmt.Errorf("creation timestamp missing")
return errors.New("creation timestamp missing")
}
return nil
}

3
vendor/github.com/prometheus/common/model/value_float.go generated vendored
View File

@@ -15,6 +15,7 @@ package model
import (
"encoding/json"
"errors"
"fmt"
"math"
"strconv"
@@ -39,7 +40,7 @@ func (v SampleValue) MarshalJSON() ([]byte, error) {
// UnmarshalJSON implements json.Unmarshaler.
func (v *SampleValue) UnmarshalJSON(b []byte) error {
if len(b) < 2 || b[0] != '"' || b[len(b)-1] != '"' {
return fmt.Errorf("sample value must be a quoted string")
return errors.New("sample value must be a quoted string")
}
f, err := strconv.ParseFloat(string(b[1:len(b)-1]), 64)
if err != nil {

7
vendor/github.com/prometheus/common/model/value_histogram.go generated vendored
View File

@@ -15,6 +15,7 @@ package model
import (
"encoding/json"
"errors"
"fmt"
"strconv"
"strings"
@@ -32,7 +33,7 @@ func (v FloatString) MarshalJSON() ([]byte, error) {
func (v *FloatString) UnmarshalJSON(b []byte) error {
if len(b) < 2 || b[0] != '"' || b[len(b)-1] != '"' {
return fmt.Errorf("float value must be a quoted string")
return errors.New("float value must be a quoted string")
}
f, err := strconv.ParseFloat(string(b[1:len(b)-1]), 64)
if err != nil {
@@ -141,7 +142,7 @@ type SampleHistogramPair struct {
func (s SampleHistogramPair) MarshalJSON() ([]byte, error) {
if s.Histogram == nil {
return nil, fmt.Errorf("histogram is nil")
return nil, errors.New("histogram is nil")
}
t, err := json.Marshal(s.Timestamp)
if err != nil {
@@ -164,7 +165,7 @@ func (s *SampleHistogramPair) UnmarshalJSON(buf []byte) error {
return fmt.Errorf("wrong number of fields: %d != %d", gotLen, wantLen)
}
if s.Histogram == nil {
return fmt.Errorf("histogram is null")
return errors.New("histogram is null")
}
return nil
}