ambari

package
v0.4.4 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Dec 7, 2018 License: Apache-2.0 Imports: 20 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// RemoteCommand remote command type for running commands on the agent hosts
	RemoteCommand = "RemoteCommand"
	// LocalCommand local command type for running commands on localhost
	LocalCommand = "LocalCommand"
	// Download command type for downloading a file from an url
	Download = "Download"
	// Upload command type for uploading files to the agent hosts
	Upload = "Upload"
	// Config command type is for managing (update) configuration
	Config = "Config"
	// AmbariCommand runs an ambari command (like START or STOP) against components or services
	AmbariCommand = "AmbariCommand"
)

Variables

This section is empty.

Functions

func ActiveAmbariRegistry 

func ActiveAmbariRegistry(id string)

ActiveAmbariRegistry turn on active status on selected ambari registry

func ConvertStingsToMap 

func ConvertStingsToMap(keyValueStrings []string) map[string]string

ConvertStingsToMap generate a map from strings (like key=value)

func CreateAmbariRegistryDb 

func CreateAmbariRegistryDb()

CreateAmbariRegistryDb initialize ambarictl database

func DeRegisterAmbariEntry 

func DeRegisterAmbariEntry(id string)

DeRegisterAmbariEntry remove an ambari server enrty by id

func DeRegisterConnectionProfile 

func DeRegisterConnectionProfile(id string)

DeRegisterConnectionProfile remove a connection profile by id

func DeactiveAllAmbariRegistry 

func DeactiveAllAmbariRegistry()

DeactiveAllAmbariRegistry turn off active status on all ambari registries

func DownloadFile added in v0.2.0 

func DownloadFile(filepath string, url string) error

DownloadFile download a file from an url to the local filesystem

func DownloadViaScp 

func DownloadViaScp(sshConfig *easyssh.MakeConfig, source string, dest string, skipJump bool) error

DownloadViaScp downloads file from remote to local

func DropAmbariRegistryRecords 

func DropAmbariRegistryRecords()

DropAmbariRegistryRecords drop all ambari server entries from ambarictl database

func DropConnectionProfileRecords 

func DropConnectionProfileRecords()

DropConnectionProfileRecords drop all connection profile from ambarictl database

func EvaluateBoolValueFromString added in v0.3.0 

func EvaluateBoolValueFromString(answer string) bool

EvaluateBoolValueFromString get a string boolean answer and evaluate as a boolean value

func ExecuteDownloadFileTask added in v0.2.0 

func ExecuteDownloadFileTask(task Task)

ExecuteDownloadFileTask download a file from an url to the local filesystem

func ExecuteLocalCommandTask added in v0.2.0 

func ExecuteLocalCommandTask(task Task)

ExecuteLocalCommandTask executes a local shell command

func FormatJson added in v0.3.0 

func FormatJson(b []byte) *bytes.Buffer

FormatJson format json file

func GetAmbariEntryId 

func GetAmbariEntryId(id string) string

GetAmbariEntryId get ambari entry id if the id exists

func GetConfigValue 

func GetConfigValue(blueprint map[string]interface{}, configType string, configProperty string) string

GetConfigValue get a value from the blueprint for a speficfic config property with a config type

func GetConnectionProfileEntryId 

func GetConnectionProfileEntryId(id string) string

GetConnectionProfileEntryId get connection profile entry id if the id exists

func GetHttpClient 

func GetHttpClient() *http.Client

GetHttpClient create HTTP client instance for Ambari

func GetPassword 

func GetPassword(flagValue string, text string) string

GetPassword trying to read a password flag value, if it does not exists ask an input from the user

func GetStringFlag 

func GetStringFlag(flagValue string, defaultValue string, text string) string

GetStringFlag trying to read a flag value, if it does not exists ask an input from the user

func ProcessAsMap 

func ProcessAsMap(request *http.Request) map[string]interface{}

ProcessAsMap get map format response

func ProcessRequest 

func ProcessRequest(request *http.Request) []byte

ProcessRequest get a simple response from a REST call

func RegisterNewAmbariEntry 

func RegisterNewAmbariEntry(id string, hostname string, port int, protocol string, username string, password string, cluster string)

RegisterNewAmbariEntry create new ambari registry entry in ambarictl database

func RegisterNewConnectionProfile 

func RegisterNewConnectionProfile(id string, keyPath string, port int, username string, hostJump bool, proxyAddress string)

RegisterNewConnectionProfile create new connection profile entry in ambarictl database

func RunLocalCommand 

func RunLocalCommand(command string, arg ...string) (string, string, error)

RunLocalCommand run local system command

func SetProfileIdForAmbariEntry 

func SetProfileIdForAmbariEntry(ambariEntryId string, profileId string)

SetProfileIdForAmbariEntry attach a connection profile to a specific ambari server entry

func WriteAmbariServerEntries added in v0.3.0 

func WriteAmbariServerEntries(ambariServers []AmbariRegistry)

WriteAmbariServerEntries write ambari server entries to the ambari server registry json file

func WriteConnectionProfileEntries added in v0.3.0 

func WriteConnectionProfileEntries(connectionProfiles []ConnectionProfile)

WriteConnectionProfileEntries write connection profile entries to the connection profile registry json file

Types

type AmbariItems 

type AmbariItems struct {
	Href    string  `json:"href"`
	Items   []Item  `json:"items"`
	Cluster Cluster `json:"Clusters,omitempty"`
}

AmbariItems global items from Ambari rest API response

func ProcessAmbariItems 

func ProcessAmbariItems(request *http.Request) AmbariItems

ProcessAmbariItems get "items" from Ambari response

func (AmbariItems) ConvertResponse 

func (a AmbariItems) ConvertResponse() Response

ConvertResponse converts the response items to specific types

type AmbariRegistry 

type AmbariRegistry struct {
	Name              string `json:"name"`
	Hostname          string `json:"hostname"`
	Port              int    `json:"port"`
	Username          string `json:"username"`
	Password          string `json:"password"`
	Protocol          string `json:"protocol"`
	Cluster           string `json:"cluster"`
	Active            bool   `json:"active"`
	ConnectionProfile string `json:"profile"`
}

AmbariRegistry represents registered ambari server entry details

func GetActiveAmbari 

func GetActiveAmbari() AmbariRegistry

GetActiveAmbari get the active ambari registry from ambarictl database (should be only one)

func GetAmbariById 

func GetAmbariById(searchId string) AmbariRegistry

GetAmbariById get the ambari registry from ambarictl database by id

func ListAmbariRegistryEntries 

func ListAmbariRegistryEntries() []AmbariRegistry

ListAmbariRegistryEntries get all ambari registries from ambarictl database

func (AmbariRegistry) CheckService added in v0.4.4 

func (a AmbariRegistry) CheckService(service string) []byte

CheckService performs service check on an ambari service

func (AmbariRegistry) CopyFolderFromRemote 

func (a AmbariRegistry) CopyFolderFromRemote(component string, source string, dest string, filteredHosts map[string]bool, skipJump bool)

CopyFolderFromRemote copy folder (zipping it first) to local filesystem from remote location

func (AmbariRegistry) CopyFromRemote 

func (a AmbariRegistry) CopyFromRemote(source string, dest string, host string, skipJump bool)

CopyFromRemote copy 1 file from 1 remote host to locally

func (AmbariRegistry) CopyFromRemoteHosts 

func (a AmbariRegistry) CopyFromRemoteHosts(source string, dest string, filteredHosts map[string]bool, skipJump bool)

CopyFromRemoteHosts copy remote file to remote host(s)

func (AmbariRegistry) CopyToRemote 

func (a AmbariRegistry) CopyToRemote(source string, dest string, filteredHosts map[string]bool, skipJump bool)

CopyToRemote copy local file to remote host(s)

func (AmbariRegistry) CreateGetRequest 

func (a AmbariRegistry) CreateGetRequest(urlSuffix string, useCluster bool) *http.Request

CreateGetRequest creates an Ambari GET request

func (AmbariRegistry) CreatePostRequest 

func (a AmbariRegistry) CreatePostRequest(body bytes.Buffer, urlSuffix string, useCluster bool) *http.Request

CreatePostRequest creates an Ambari POST request with body

func (AmbariRegistry) CreatePutRequest added in v0.2.0 

func (a AmbariRegistry) CreatePutRequest(body bytes.Buffer, urlSuffix string, useCluster bool) *http.Request

CreatePutRequest creates an Ambari PUT request with body

func (AmbariRegistry) DownloadLogs 

func (a AmbariRegistry) DownloadLogs(dest string, filter Filter)

DownloadLogs download specific logs that can be filtered by hosts, components or service (by default, it downloads agent logs)

func (AmbariRegistry) ExecuteAmbariCommand added in v0.2.0 

func (a AmbariRegistry) ExecuteAmbariCommand(task Task)

ExecuteAmbariCommand executes an ambari command against services or components

func (AmbariRegistry) ExecuteConfigCommand added in v0.2.0 

func (a AmbariRegistry) ExecuteConfigCommand(task Task)

ExecuteConfigCommand executes a configuration upgrade

func (AmbariRegistry) ExecutePlaybook 

func (a AmbariRegistry) ExecutePlaybook(playbook Playbook)

ExecutePlaybook runs tasks on ambari hosts based on a playbook object

func (AmbariRegistry) ExecuteRemoteCommandTask added in v0.2.0 

func (a AmbariRegistry) ExecuteRemoteCommandTask(task Task, filteredHosts map[string]bool)

ExecuteRemoteCommandTask executes a remote command on filtered hosts

func (AmbariRegistry) ExecuteUploadFileTask added in v0.2.0 

func (a AmbariRegistry) ExecuteUploadFileTask(task Task, filteredHosts map[string]bool)

ExecuteUploadFileTask upload a file to specific (filtered) hosts

func (AmbariRegistry) ExportBlueprint 

func (a AmbariRegistry) ExportBlueprint() []byte

ExportBlueprint generate re-usable JSON from the cluster

func (AmbariRegistry) ExportBlueprintAsMap 

func (a AmbariRegistry) ExportBlueprintAsMap() map[string]interface{}

ExportBlueprintAsMap generate re-usable JSON map from the cluster

func (AmbariRegistry) GetAmbariUri 

func (a AmbariRegistry) GetAmbariUri(uriSuffix string, useCluster bool) string

GetAmbariUri creates the Ambari uri with /api/v1/ suffix (+ /api/v1/clusters/<cluster> suffix is useCluster is enabled)

func (AmbariRegistry) GetClusterInfo 

func (a AmbariRegistry) GetClusterInfo() Cluster

GetClusterInfo obtain cluster detauls for ambari managed cluster

func (AmbariRegistry) GetFilteredHosts 

func (a AmbariRegistry) GetFilteredHosts(filter Filter) map[string]bool

GetFilteredHosts obtain specific hosts based on different filters

func (AmbariRegistry) GetMinimalBlueprint 

func (a AmbariRegistry) GetMinimalBlueprint(blueprint map[string]interface{}, stackDefaults map[string]StackConfig) []byte

GetMinimalBlueprint obtain minimal blueprint - compare properties with stack default properties and get a minimal blueprint configuration

func (AmbariRegistry) GetStackDefaultConfigs 

func (a AmbariRegistry) GetStackDefaultConfigs(stack string, version string) map[string]StackConfig

GetStackDefaultConfigs obtain default configs for specific (versioned) stack

func (AmbariRegistry) ListAgents 

func (a AmbariRegistry) ListAgents() []Host

ListAgents get all the registered hosts

func (AmbariRegistry) ListComponents 

func (a AmbariRegistry) ListComponents() []Component

ListComponents get all installed components

func (AmbariRegistry) ListHostComponents 

func (a AmbariRegistry) ListHostComponents(param string, useHost bool) []HostComponent

ListHostComponents get all installed host components by component type (or hosts)

func (AmbariRegistry) ListHostComponentsByService 

func (a AmbariRegistry) ListHostComponentsByService(service string) []HostComponent

ListHostComponentsByService get all installed host components by service name

func (AmbariRegistry) ListServiceConfigVersions 

func (a AmbariRegistry) ListServiceConfigVersions() []ServiceConfig

ListServiceConfigVersions gather service configuration details

func (AmbariRegistry) ListServices 

func (a AmbariRegistry) ListServices() []Service

ListServices get all installed services

func (AmbariRegistry) RestartComponent added in v0.2.0 

func (a AmbariRegistry) RestartComponent(component string) []byte

RestartComponent restarts an ambari component of a service

func (AmbariRegistry) RestartService added in v0.2.0 

func (a AmbariRegistry) RestartService(service string)

RestartService restarting an ambari service

func (AmbariRegistry) RunAmbariServiceCommand added in v0.2.0 

func (a AmbariRegistry) RunAmbariServiceCommand(command string, filter Filter, useServiceFilter bool, useComponentFilter bool)

RunAmbariServiceCommand start / stop / restart Ambari services or components

func (AmbariRegistry) RunRemoteHostCommand 

func (a AmbariRegistry) RunRemoteHostCommand(command string, filteredHosts map[string]bool, skipJump bool) map[string]RemoteResponse

RunRemoteHostCommand executes bash commands on ambari agent hosts

func (AmbariRegistry) SetConfig added in v0.2.0 

func (a AmbariRegistry) SetConfig(configType string, configKey string, configValue string)

SetConfig sets a config value for a specific config key of a config type

func (AmbariRegistry) StartComponent added in v0.2.0 

func (a AmbariRegistry) StartComponent(component string) []byte

StartComponent start an ambari component of a service

func (AmbariRegistry) StartService added in v0.2.0 

func (a AmbariRegistry) StartService(service string) []byte

StartService starting an ambari service

func (AmbariRegistry) StopComponent added in v0.2.0 

func (a AmbariRegistry) StopComponent(component string) []byte

StopComponent stop an ambari component of a service

func (AmbariRegistry) StopService added in v0.2.0 

func (a AmbariRegistry) StopService(service string) []byte

StopService stopping an ambari service

type Cluster 

type Cluster struct {
	ClusterName         string  `json:"cluster_name,omitempty"`
	ClusterVersion      string  `json:"version,omitempty"`
	ClusterTotalHosts   float64 `json:"total_hosts,omitempty"`
	ClusterSecurityType string  `json:"security_type,omitempty"`
}

Cluster holds installed ambari cluster details

type Component 

type Component struct {
	ComponentName  string `json:"component_name,omitempty"`
	ServiceName    string `json:"service_name,omitempty"`
	ComponentState string `json:"state,omitempty"`
}

Component ambari managed component details

type ConnectionProfile 

type ConnectionProfile struct {
	Name         string `json:"name"`
	KeyPath      string `json:"key_path"`
	Port         int    `json:"port"`
	Username     string `json:"username"`
	HostJump     bool   `json:"host_jump"`
	ProxyAddress string `json:"proxy_address"`
}

ConnectionProfile represents ssh/connection descriptions which is used to communicate with Ambari server and agents

func GetConnectionProfileById 

func GetConnectionProfileById(searchId string) ConnectionProfile

GetConnectionProfileById get the connection profile from ambarictl database by id

func ListConnectionProfileEntries 

func ListConnectionProfileEntries() []ConnectionProfile

ListConnectionProfileEntries get all ambari registries from ambarictl database

type Filter 

type Filter struct {
	Services   []string
	Components []string
	Hosts      []string
	Server     bool
}

Filter represents filter on agent hosts (by component / service / hosts)

func CreateFilter 

func CreateFilter(serviceFilter string, componentFilter string, hostFilter string, ambariServer bool) Filter

CreateFilter will make a Filter object from filter strings (component / service / hosts)

type Host 

type Host struct {
	HostName       string `json:"host_name,omitempty"`
	IP             string `json:"ip,omitempty"`
	PublicHostname string `json:"public_host_name,omitempty"`
	OSType         string `json:"os_type,omitempty"`
	OSArch         string `json:"os_arch,omitempty"`
	UnlimitedJCE   bool   `json:"unlimited_jce,omitempty"`
	HostState      string `json:"host_state,omitempty"`
}

Host agent host details

type HostComponent 

type HostComponent struct {
	HostComponentName  string `json:"host_component_name,omitempty"`
	HostComponentState string `json:"state,omitempty"`
	HostComponntHost   string `json:"host_name,omitempty"`
}

HostComponent ambari managed host component details

type Input added in v0.3.0 

type Input struct {
	Name    string `yaml:"name"`
	Default string `yaml:"default,omitempty"`
}

Input represents a variable that needs to be provided by users (if default value is empty)

type Item 

type Item map[string]interface{}

Item dynamic map - cast contents to specific types

type Playbook 

type Playbook struct {
	Name        string  `yaml:"name"`
	Description string  `yaml:"description"`
	Tasks       []Task  `yaml:"tasks"`
	Inputs      []Input `yaml:"inputs"`
}

Playbook contains an array of tasks that will be executed on ambari hosts

func LoadPlaybookFile 

func LoadPlaybookFile(location string, varsInput string) Playbook

LoadPlaybookFile read a playbook yaml file and transform it to a Playbook object

type Properties 

type Properties map[string]interface{}

Properties represents configuration properties (key/value pairs)

type RemoteResponse 

type RemoteResponse struct {
	StdOut string
	StdErr string
	Done   bool
}

RemoteResponse represents an ssh command output

type Response 

type Response struct {
	Cluster        Cluster
	Hosts          []Host
	Services       []Service
	Components     []Component
	HostComponents []HostComponent
	ServiceConfigs []ServiceConfig
	StackConfigs   map[string]StackConfig
}

Response common type which wraps all of the possible response entry types

type Service 

type Service struct {
	ServiceName  string `json:"service_name,omitempty"`
	ServiceState string `json:"state,omitempty"`
}

Service ambari managed service info

type ServiceConfig 

type ServiceConfig struct {
	ServiceConfigType    string     `json:"type,omitempty"`
	ServiceConfigTag     string     `json:"tag,omitempty"`
	ServiceConfigVersion float64    `json:"version,omitempty"`
	Properties           Properties `json:"properties,omitempty"`
}

ServiceConfig represents service specific configurations

type StackConfig 

type StackConfig struct {
	ServiceConfigType string          `json:"type,omitempty"`
	Properties        []StackProperty `json:"properties,omitempty"`
}

StackConfig represents stack default configurations (with included service name and service config type)

type StackProperty 

type StackProperty struct {
	Type         string `json:"type,omitempty"`
	Name         string `json:"property_name,omitempty"`
	Value        string `json:"property_value,omitempty"`
	PropertyType string `json:"property_type,omitempty"`
}

StackProperty represents a stack property with default values and attributes

type Task 

type Task struct {
	Name                string            `yaml:"name"`
	Type                string            `yaml:"type"`
	Command             string            `yaml:"command"`
	HostComponentFilter string            `yaml:"host_component_filter"`
	AmbariServerFilter  bool              `yaml:"ambari_server"`
	AmbariAgentFilter   bool              `yaml:"ambari_agent"`
	HostFilter          string            `yaml:"hosts"`
	ServiceFilter       string            `yaml:"services"`
	ComponentFilter     string            `yaml:"components"`
	Parameters          map[string]string `yaml:"parameters,omitempty"`
}

Task represents a task that can be executed on an ambari hosts

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