cfg

package
v0.0.0-...-d5049b0 Latest Latest
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 Go to latest Published: Jun 21, 2021 License: Apache-2.0 Imports: 33 Imported by: 0

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Index

Constants

View Source 
const (
	// PrefixDelimiter for message prefix
	PrefixDelimiter = "-"
)

Variables

View Source 
var (
	// AllowedPriorities a list of allowed priorities
	AllowedPriorities = []string{"P1", "P2", "P3", "P4", "P5"}
)

Functions

func Alert 

func Alert(msg string)

Alert alerts to slack, email, text.

func AllMsgPayloads 

func AllMsgPayloads(prefix string, payloadSizes []string, numOfMsg int) ([][]byte, int)

AllMsgPayloads generates a series of payloads based on specified payload sizes or the number of messages

func AnalyticsAppStart 

func AnalyticsAppStart(deviceID string)

AnalyticsAppStart reports a monitor starts

func AnalyticsClearIncident 

func AnalyticsClearIncident(deviceID string, downtimeSeconds int)

AnalyticsClearIncident reports the end of an incident

func AnalyticsDowntime 

func AnalyticsDowntime(deviceID string, downtimeSeconds int)

AnalyticsDowntime reports downtime

func AnalyticsHeartbeat 

func AnalyticsHeartbeat(deviceID string)

AnalyticsHeartbeat reports heartbeat

func AnalyticsLatencyReport 

func AnalyticsLatencyReport(deviceID, name, errorMessage string, latency int, inOrderDelivery, withinLatencyBudget bool)

AnalyticsLatencyReport reports a monitor starts

func AnalyticsReportIncident 

func AnalyticsReportIncident(deviceID, alias, message, description string)

AnalyticsReportIncident reports the beginning of an incident

func BuildTenantsUsageThread 

func BuildTenantsUsageThread()

BuildTenantsUsageThread is the daemon thread that builds last 30s tenants usage and expose to Prometheus metrics

func CalculateDowntime 

func CalculateDowntime(component string)

CalculateDowntime calculate downtime

func ClearIncident 

func ClearIncident(component string)

ClearIncident clears an incident

func CloseOpsGenieAlert 

func CloseOpsGenieAlert(component, alertID string, genieKey string) error

CloseOpsGenieAlert deletes an OpsGenie alert

func CreateIncident 

func CreateIncident(component, alias, msg, desc, priority string)

CreateIncident creates incident

func CreateOpsGenieAlert 

func CreateOpsGenieAlert(msg Incident, genieKey string) error

CreateOpsGenieAlert creates an OpsGenie alert

func EvaluateBrokers 

func EvaluateBrokers(prefixURL, token string) error

EvaluateBrokers evaluates and reports all brokers health

func EvaluateClusterHealth 

func EvaluateClusterHealth(client *k8s.Client) error

EvaluateClusterHealth evaluates and reports the k8s cluster health

func FuncLatencyGaugeOpt 

func FuncLatencyGaugeOpt() prometheus.GaugeOpts

FuncLatencyGaugeOpt is the description of Pulsar Function latency gauge

func GenPayload 

func GenPayload(prefix, size string) ([]byte, int)

GenPayload generates an array of bytes with prefix string and payload size. If the specified payload size is less than the prefix size, the payload will just be the prefix.

func GetGaugeType 

func GetGaugeType(nameType string) prometheus.GaugeOpts

GetGaugeType get the Prometheus Gauge Option based on type/subsystem

func GetMessageID 

func GetMessageID(prefix, str string) int

GetMessageID returns the message index by parsing the template payload string with a prefix.

func GetOfflinePodsCounter 

func GetOfflinePodsCounter(subsystem string) prometheus.GaugeOpts

GetOfflinePodsCounter returns prometheus GaugeOpts for kubernetes cluster pod offline counter

func GetPulsarClient 

func GetPulsarClient(pulsarURL, tokenStr string) (pulsar.Client, error)

GetPulsarClient gets the pulsar client object Note: the caller has to Close() the client object

func HeartBeatToOpsGenie 

func HeartBeatToOpsGenie(genieURL, genieKey string) error

HeartBeatToOpsGenie send heart beat to ops genie

func HeartbeatCounterOpt 

func HeartbeatCounterOpt() prometheus.CounterOpts

HeartbeatCounterOpt is the description for heart beat counter

func MonitorBrokers 

func MonitorBrokers() error

MonitorBrokers start K8sPulsarClusterMonitor thread

func MonitorK8sPulsarCluster 

func MonitorK8sPulsarCluster() error

MonitorK8sPulsarCluster start K8sPulsarClusterMonitor thread

func MonitorSites 

func MonitorSites()

MonitorSites monitors a list of sites

func MsgLatencyGaugeOpt 

func MsgLatencyGaugeOpt(typeName, desc string) prometheus.GaugeOpts

MsgLatencyGaugeOpt is the description for Pulsar message latency gauge

func NumOfBytes 

func NumOfBytes(size string) int

NumOfBytes returns a number of bytes with specified size in MB or KB

func OfflinePodGaugeOpt 

func OfflinePodGaugeOpt(subsystem, desc string) prometheus.GaugeOpts

OfflinePodGaugeOpt is offline pods counter

func PromCounter 

func PromCounter(opt prometheus.CounterOpts, cluster string)

PromCounter registers counter and increment

func PromGauge 

func PromGauge(opt prometheus.GaugeOpts, cluster string, num float64)

PromGauge registers gauge reading

func PromGaugeInt 

func PromGaugeInt(opt prometheus.GaugeOpts, cluster string, num int)

PromGaugeInt registers gauge reading in integer

func PromLatencySum 

func PromLatencySum(opt prometheus.GaugeOpts, cluster string, latency time.Duration)

PromLatencySum expose monitoring metrics to Prometheus

func PubSubDowntimeGaugeOpt 

func PubSubDowntimeGaugeOpt() prometheus.GaugeOpts

PubSubDowntimeGaugeOpt is the description for downtime summary

func PulsarAdminTenant 

func PulsarAdminTenant(clusterURL, token string) (int, error)

PulsarAdminTenant probes the tenant endpoint to get a list of tenants returns the number of tenants on the cluster

func PulsarTenants 

func PulsarTenants()

PulsarTenants get a list of tenants on each cluster

func PushToPrometheusProxy 

func PushToPrometheusProxy(proxyURL, authKey string) error

PushToPrometheusProxy pushes exp data to PrometheusProxy

func PushToPrometheusProxyThread 

func PushToPrometheusProxyThread()

PushToPrometheusProxyThread is the daemon thread that scrape and pushes metrics to prometheus proxy

func ReadConfigFile 

func ReadConfigFile(configFile string)

ReadConfigFile reads configuration file.

func RemoveIncident 

func RemoveIncident(component string)

RemoveIncident removes an existing incident

func ReportIncident 

func ReportIncident(component, alias, msg, desc string, eval *AlertPolicyCfg)

ReportIncident reports an incident.

func RunInterval 

func RunInterval(fn monitorFunc, interval time.Duration)

RunInterval runs interval

func SendSlackNotification 

func SendSlackNotification(webhookURL string, msg SlackMessage) error

SendSlackNotification will post to an 'Incoming Webook' url setup in Slack Apps. It accepts some text and the slack channel is saved within Slack.

func SetupAnalytics 

func SetupAnalytics()

SetupAnalytics initializes and validates the configuration

func SiteLatencyGaugeOpt 

func SiteLatencyGaugeOpt() prometheus.GaugeOpts

SiteLatencyGaugeOpt is the description for hosting site latency gauge

func StartHeartBeat 

func StartHeartBeat()

StartHeartBeat starts heartbeat monitoring the program by OpsGenie

func TenantsGaugeOpt 

func TenantsGaugeOpt() prometheus.GaugeOpts

TenantsGaugeOpt is the description for rest api tenant counts

func TestTopicLatency 

func TestTopicLatency(topicCfg TopicCfg)

TestTopicLatency test generic message delivery in topics and the latency

func TestWsLatency 

func TestWsLatency(config WsConfig)

TestWsLatency test all clusters' websocket pub sub latency

func TopicLatencyTestThread 

func TopicLatencyTestThread()

TopicLatencyTestThread tests a message delivery in topic and measure the latency.

func UptimeHeartBeat 

func UptimeHeartBeat()

UptimeHeartBeat sends heartbeat to uptime counter

func VerboseAlert 

func VerboseAlert(component, message string, silenceWindow time.Duration)

VerboseAlert is able to reduce the verbosity to Slack channel

func WebSocketTopicLatencyTestThread 

func WebSocketTopicLatencyTestThread()

WebSocketTopicLatencyTestThread tests a message websocket delivery in topic and measure the latency.

Types

type AckMessage 

type AckMessage struct {
	MessageID string `json:"messageId"`
}

AckMessage is the message struct to acknowledge a message

type AlertPolicyCfg 

type AlertPolicyCfg struct {
	// first evaluation to count continuous failure
	Ceiling int `json:"ceiling"`
	// Second evaluation for moving window
	MovingWindowSeconds   int `json:"movingWindowSeconds"`
	CeilingInMovingWindow int `json:"ceilingInMovingWindow"`
}

AlertPolicyCfg is a set of criteria to evaluation triggers for incident alert

type AlertVerbosity 

type AlertVerbosity struct {
	// contains filtered or unexported fields
}

AlertVerbosity contains attributes required to calculate whether verbose alert is required or not

func (*AlertVerbosity) MustAlert 

func (av *AlertVerbosity) MustAlert() bool

MustAlert returns whether the silence window has expired since the last alert.

type AmpEvent 

type AmpEvent struct {
	UserID             string                 `json:"user_id,omitempty"`
	DeviceID           string                 `json:"device_id,omitempty"`
	EventType          string                 `json:"event_type,omitempty"`
	EventID            int                    `json:"event_id,omitempty"`
	SessionID          int64                  `json:"session_id,omitempty"`
	InsertID           string                 `json:"insert_id,omitempty"` // for dedupe
	EpochTime          int64                  `json:"time,omitempty"`
	EventProperties    map[string]interface{} `json:"event_properties,omitempty"`
	UserProperties     map[string]interface{} `json:"user_properties,omitempty"`
	AppVersion         string                 `json:"app_version,omitempty"`
	Platform           string                 `json:"platform,omitempty"`
	OSName             string                 `json:"os_name,omitempty"`
	OSVersion          string                 `json:"os_version,omitempty"`
	DeviceBrand        string                 `json:"device_brand,omitempty"`
	DeviceManufacturer string                 `json:"device_manufacturer,omitempty"`
	DeviceModel        string                 `json:"device_model,omitempty"`
	DeviceType         string                 `json:"device_type,omitempty"`
	Carrier            string                 `json:"carrier,omitempty"`
	Country            string                 `json:"country,omitempty"`
	Region             string                 `json:"region,omitempty"`
	City               string                 `json:"city,omitempty"`
	DMA                string                 `json:"dma,omitempty"`
	Language           string                 `json:"language,omitempty"`
	Revenue            float64                `json:"revenue,omitempty"`
	RevenueType        string                 `json:"revenueType,omitempty"`
	Latitude           float64                `json:"location_lat,omitempty"`
	Longitude          float64                `json:"location_lng,omitempty"`
	IP                 string                 `json:"ip,omitempty"`
	IDFA               string                 `json:"idfa,omitempty"`
	ADID               string                 `json:"adid,omitempty"`
}

AmpEvent the analytic event

type AnalyticsCfg 

type AnalyticsCfg struct {
	APIKey            string `json:"apiKey"`
	IngestionURL      string `json:"ingestionUrl"`
	InsightsWriteKey  string `json:"insightsWriteKey"`
	InsightsAccountID string `json:"insightsAccountId"`
}

AnalyticsCfg is analytics usage and statistucs tracking configuration

type AppStartEvent 

type AppStartEvent struct {
	EventType string    `json:"eventType"`
	Timestamp time.Time `json:"timestamp"`
	Cluster   string    `json:"cluster"`
	AppName   string    `json:"name"`
	Env       string    `json:"env"`
}

AppStartEvent event

type BrokersCfg 

type BrokersCfg struct {
	InClusterRESTURL string         `json:"inclusterRestURL"`
	IntervalSeconds  int            `json:"intervalSeconds"`
	AlertPolicy      AlertPolicyCfg `json:"AlertPolicy"`
}

BrokersCfg monitors all brokers in the cluster

type ClearIncidentEvent 

type ClearIncidentEvent struct {
	EventType       string    `json:"eventType"`
	Timestamp       time.Time `json:"timestamp"`
	Cluster         string    `json:"cluster"`
	Env             string    `json:"env"`
	ReportedBy      string    `json:"reportedBy"`
	DowntimeSeconds int       `json:"downtimeSeconds"`
}

ClearIncidentEvent event

type ClusterHealth 

type ClusterHealth struct {
	sync.RWMutex
	Status         k8s.ClusterStatusCode
	MissingBrokers int
}

ClusterHealth a cluster health struct

func (*ClusterHealth) Get 

func (h *ClusterHealth) Get() (k8s.ClusterStatusCode, int)

Get gets the cluster health status

func (*ClusterHealth) Set 

func (h *ClusterHealth) Set(status k8s.ClusterStatusCode, offlineBrokers int)

Set sets the cluster health status

type Configuration 

type Configuration struct {
	// Name is the Pulsar cluster name, it is mandatory
	Name string `json:"name"`
	// ClusterName is the Pulsar cluster name if the Name cannot be used as the Pulsar cluster name, optional
	ClusterName string `json:"clusterName"`
	// TokenFilePath is the file path to Pulsar JWT. It takes precedence of the token attribute.
	TokenFilePath string `json:"tokenFilePath"`
	// Token is a Pulsar JWT can be used for both client client or http admin client
	Token             string             `json:"token"`
	BrokersConfig     BrokersCfg         `json:"brokersConfig"`
	TrustStore        string             `json:"trustStore"`
	K8sConfig         K8sClusterCfg      `json:"k8sConfig"`
	AnalyticsConfig   AnalyticsCfg       `json:"analyticsConfig"`
	PrometheusConfig  PrometheusCfg      `json:"prometheusConfig"`
	SlackConfig       SlackCfg           `json:"slackConfig"`
	OpsGenieConfig    OpsGenieCfg        `json:"opsGenieConfig"`
	PulsarAdminConfig PulsarAdminRESTCfg `json:"pulsarAdminRestConfig"`
	PulsarTopicConfig []TopicCfg         `json:"pulsarTopicConfig"`
	SitesConfig       SitesCfg           `json:"sitesConfig"`
	WebSocketConfig   []WsConfig         `json:"webSocketConfig"`
	TenantUsageConfig TenantUsageCfg     `json:"tenantUsageConfig"`
}

Configuration - this server's configuration 

var Config Configuration

Config - this server's configuration instance

func GetConfig 

func GetConfig() *Configuration

GetConfig returns a reference to the Configuration

type DowntimeReportEvent 

type DowntimeReportEvent struct {
	EventType       string    `json:"eventType"`
	Timestamp       time.Time `json:"timestamp"`
	Cluster         string    `json:"cluster"`
	DowntimeSeconds int       `json:"downtimeSeconds"`
	Env             string    `json:"env"`
}

DowntimeReportEvent event

type HeartbeatEvent 

type HeartbeatEvent struct {
	EventType string    `json:"eventType"`
	Timestamp time.Time `json:"timestamp"`
	Cluster   string    `json:"cluster"`
	Env       string    `json:"env"`
}

HeartbeatEvent event

type Incident 

type Incident struct {
	Message     string    `json:"message"`
	Description string    `json:"description"`
	Priority    string    `json:"priority"`
	Entity      string    `json:"entity"`
	Alias       string    `json:"alias"`
	Tags        []string  `json:"tags"`
	Timestamp   time.Time `json:"timestamp"`
}

Incident is the struct for incident reporting

func NewIncident 

func NewIncident(component, alias, msg, desc, priority string) Incident

NewIncident creates a Incident object

type IncidentAlertPolicy 

type IncidentAlertPolicy struct {
	Entity            string
	Counters          int
	EvalWindowSeconds time.Duration
	Alerts            map[time.Time]bool
	LimitInWindow     int
	Limit             int
	LastUpdatedAt     time.Time
}

IncidentAlertPolicy tracks and reports incident when threshold is reached

type K8sClusterCfg 

type K8sClusterCfg struct {
	Enabled         bool           `json:"enabled"`
	PulsarNamespace string         `json:"pulsarNamespace"`
	KubeConfigDir   string         `json:"kubeConfigDir"`
	AlertPolicy     AlertPolicyCfg `json:"AlertPolicy"`
}

K8sClusterCfg is configuration to monitor kubernete cluster only to be enabled in-cluster monitoring

type LatencyReportEvent 

type LatencyReportEvent struct {
	EventType           string    `json:"eventType"`
	Timestamp           time.Time `json:"timestamp"`
	Cluster             string    `json:"cluster"`
	Name                string    `json:"name"`
	Env                 string    `json:"env"`
	LatencyMs           int       `json:"latencyMs"`
	InOrderDelivery     bool      `json:"inOrderDelivery"`
	WithinLatencyBudget bool      `json:"withinLatencyBudget"`
	ErrorMessage        string    `json:"errorMessage"`
}

LatencyReportEvent event

type MsgResult 

type MsgResult struct {
	InOrderDelivery bool
	Latency         time.Duration
	SentTime        time.Time
}

MsgResult stores the result of message test

func PubSubLatency 

func PubSubLatency(clusterName, tokenStr, uri, topicName, outputTopic, msgPrefix, expectedSuffix string, payloads [][]byte, maxPayloadSize int) (MsgResult, error)

PubSubLatency the latency including successful produce and consume of a message

func WsLatencyTest 

func WsLatencyTest(producerURL, subscriptionURL, token string) (MsgResult, error)

WsLatencyTest latency test for websocket

type OpsClusterCfg 

type OpsClusterCfg struct {
	Name        string         `json:"name"`
	URL         string         `json:"url"`
	AlertPolicy AlertPolicyCfg `json:"alertPolicy"`
}

OpsClusterCfg is each cluster's configuration

type OpsGenieAlertCloseRequest 

type OpsGenieAlertCloseRequest struct {
	User   string `json:"user"`
	Source string `json:"source"`
	Note   string `json:"note"`
}

OpsGenieAlertCloseRequest is the POST request payload json

type OpsGenieAlertCreateResponse 

type OpsGenieAlertCreateResponse struct {
	Result    string  `json:"result"`
	Took      float64 `json:"took"`
	RequestID string  `json:"requestId"`
}

OpsGenieAlertCreateResponse is the response struct returned by OpsGenie https://docs.opsgenie.com/docs/alert-api#section-create-alert

type OpsGenieAlertGetResponse 

type OpsGenieAlertGetResponse struct {
	Data      alertGetData `json:"data"`
	Took      float64      `json:"took"`
	RequestID string       `json:"requestId"`
}

OpsGenieAlertGetResponse is the response struct returned by OpsGenie https://docs.opsgenie.com/docs/alert-api#section-create-alert

type OpsGenieCfg 

type OpsGenieCfg struct {
	HeartBeatURL    string `json:"heartbeatUrl"`
	HeartbeatKey    string `json:"heartbeatKey"`
	AlertKey        string `json:"alertKey"`
	IntervalSeconds int    `json:"intervalSeconds"`
}

OpsGenieCfg is opsGenie configuration

type Payload 

type Payload struct {
	Ceiling        int
	Floor          int
	DefaultPayload []byte // to save time for large payload size generation
}

Payload defines the payload size

func NewPayload 

func NewPayload(size int) Payload

NewPayload returns a new Payload object with a fixed payload size

func (*Payload) GenDefaultPayload 

func (p *Payload) GenDefaultPayload() []byte

GenDefaultPayload generates default payload size

func (Payload) PrefixDefaultPayload 

func (p Payload) PrefixDefaultPayload(prefix string) []byte

PrefixDefaultPayload creates string prefix in the payload

func (Payload) PrefixPayload 

func (p Payload) PrefixPayload(prefix string) []byte

PrefixPayload creates string prefix in the payload

type PrometheusCfg 

type PrometheusCfg struct {
	Port                  string `json:"port"`
	ExposeMetrics         bool   `json:"exposeMetrics"`
	PrometheusProxyURL    string `json:"prometheusProxyURL"`
	PrometheusProxyAPIKey string `json:"prometheusProxyAPIKey"`
}

PrometheusCfg configures Premetheus set up

type PulsarAdminRESTCfg 

type PulsarAdminRESTCfg struct {
	Token           string          `json:"Token"`
	Clusters        []OpsClusterCfg `json:"clusters"`
	IntervalSeconds int             `json:"intervalSeconds"`
}

PulsarAdminRESTCfg is for monitor a list of Pulsar cluster

type PulsarMessage 

type PulsarMessage struct {
	Payload    string                 `json:"payload"`
	Properties map[string]interface{} `json:"properties"`
	Context    string                 `json:"context,omitempty"`
}

PulsarMessage is the required message format for Pulsar Websocket message

type ReceivingMessage 

type ReceivingMessage struct {
	Payload    string                 `json:"payload"`
	MessageID  string                 `json:"messageId"`
	Properties map[string]interface{} `json:"properties"`
	Context    string                 `json:"context,omitempty"`
}

ReceivingMessage is the Pulsar message for socket consumer

type ReportIncidentEvent 

type ReportIncidentEvent struct {
	EventType   string    `json:"eventType"`
	Timestamp   time.Time `json:"timestamp"`
	Cluster     string    `json:"cluster"`
	Name        string    `json:"name"`
	Env         string    `json:"env"`
	ReportedBy  string    `json:"reportedBy"`
	Alias       string    `json:"alias"`
	Masseage    string    `json:"message"`
	Description string    `json:"description"`
}

ReportIncidentEvent event

type SiteCfg 

type SiteCfg struct {
	Headers         map[string]string `json:"headers"`
	URL             string            `json:"url"`
	Name            string            `json:"name"`
	IntervalSeconds int               `json:"intervalSeconds"`
	ResponseSeconds int               `json:"responseSeconds"`
	StatusCode      int               `json:"statusCode"`
	StatusCodeExpr  string            `json:"statusCodeExpr"`
	Retries         int               `json:"retries"`
	AlertPolicy     AlertPolicyCfg    `json:"alertPolicy"`
}

SiteCfg configures general website

type SitesCfg 

type SitesCfg struct {
	Sites []SiteCfg `json:"sites"`
}

SitesCfg configures a list of website`

type SlackCfg 

type SlackCfg struct {
	AlertURL string `json:"alertUrl"`
	Verbose  bool   `json:"verbose"`
}

SlackCfg is slack configuration

type SlackMessage 

type SlackMessage struct {
	Channel   string `json:"channel"`
	Text      string `json:"text"`
	Username  string `json:"username"`
	IconEmogi string `json:"icon_emogi"`
}

SlackMessage is the message struct to be posted for Slack

type TenantUsageCfg 

type TenantUsageCfg struct {
	OutBytesLimit        uint64 `json:"outBytesLimit"`
	AlertIntervalMinutes int    `json:"alertIntervalMinutes"`
}

TenantUsageCfg tenant usage reporting and monitoring

type TopicCfg 

type TopicCfg struct {
	Name               string         `json:"name"`
	Token              string         `json:"token"`
	TrustStore         string         `json:"trustStore"`
	NumberOfPartitions int            `json:"numberOfPartitions"`
	LatencyBudgetMs    int            `json:"latencyBudgetMs"`
	PulsarURL          string         `json:"pulsarUrl"`
	AdminURL           string         `json:"adminUrl"`
	TopicName          string         `json:"topicName"`
	OutputTopic        string         `json:"outputTopic"`
	IntervalSeconds    int            `json:"intervalSeconds"`
	ExpectedMsg        string         `json:"expectedMsg"`
	PayloadSizes       []string       `json:"payloadSizes"`
	NumOfMessages      int            `json:"numberOfMessages"`
	AlertPolicy        AlertPolicyCfg `json:"AlertPolicy"`
}

TopicCfg is topic configuration

type WsConfig 

type WsConfig struct {
	Name            string         `json:"name"`
	Token           string         `json:"token"`
	Cluster         string         `json:"cluster"` // can be used for alert de-dupe
	LatencyBudgetMs int            `json:"latencyBudgetMs"`
	ProducerURL     string         `json:"producerUrl"`
	ConsumerURL     string         `json:"consumerUrl"`
	TopicName       string         `json:"topicName"`
	IntervalSeconds int            `json:"intervalSeconds"`
	Scheme          string         `json:"scheme"`
	Port            string         `json:"port"`
	Subscription    string         `json:"subscription"`
	URLQueryParams  string         `json:"urlQueryParams"`
	AlertPolicy     AlertPolicyCfg `json:"AlertPolicy"`
}

WsConfig is configuration to monitor WebSocket pub sub latency

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