env

package
v0.3.2 Latest Latest
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 Go to latest Published: Apr 22, 2016 License: MPL-2.0 Imports: 6 Imported by: 0

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Constants

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const (
	// AllocDir is the environment variable with the path to the alloc directory
	// that is shared across tasks within a task group.
	AllocDir = "NOMAD_ALLOC_DIR"

	// TaskLocalDir is the environment variable with the path to the tasks local
	// directory where it can store data that is persisted to the alloc is
	// removed.
	TaskLocalDir = "NOMAD_TASK_DIR"

	// MemLimit is the environment variable with the tasks memory limit in MBs.
	MemLimit = "NOMAD_MEMORY_LIMIT"

	// CpuLimit is the enviroment variable with the tasks CPU limit in MHz.
	CpuLimit = "NOMAD_CPU_LIMIT"

	// AllocID is the enviroment variable for passing the allocation ID.
	AllocID = "NOMAD_ALLOC_ID"

	// AllocName is the enviroment variable for passing the allocation name.
	AllocName = "NOMAD_ALLOC_NAME"

	// TaskName is the enviroment variable for passing the task name.
	TaskName = "NOMAD_TASK_NAME"

	// AllocIndex is the enviroment variable for passing the allocation index.
	AllocIndex = "NOMAD_ALLOC_INDEX"

	// AddrPrefix is the prefix for passing both dynamic and static port
	// allocations to tasks.
	// E.g$NOMAD_ADDR_http=127.0.0.1:80
	AddrPrefix = "NOMAD_ADDR_"

	// IpPrefix is the prefix for passing the IP of a port allocation to a task.
	IpPrefix = "NOMAD_IP_"

	// PortPrefix is the prefix for passing the port allocation to a task.
	PortPrefix = "NOMAD_PORT_"

	// HostPortPrefix is the prefix for passing the host port when a portmap is
	// specified.
	HostPortPrefix = "NOMAD_HOST_PORT_"

	// MetaPrefix is the prefix for passing task meta data.
	MetaPrefix = "NOMAD_META_"
)

A set of environment variables that are exported by each driver.

Variables

This section is empty.

Functions

This section is empty.

Types

type TaskEnvironment 

type TaskEnvironment struct {
	Env           map[string]string
	TaskMeta      map[string]string
	TaskGroupMeta map[string]string
	JobMeta       map[string]string
	AllocDir      string
	TaskDir       string
	CpuLimit      int
	MemLimit      int
	TaskName      string
	AllocIndex    int
	AllocId       string
	AllocName     string
	Node          *structs.Node
	Networks      []*structs.NetworkResource
	PortMap       map[string]int

	// taskEnv is the variables that will be set in the tasks environment
	TaskEnv map[string]string

	// nodeValues is the values that are allowed for interprolation from the
	// node.
	NodeValues map[string]string
}

TaskEnvironment is used to expose information to a task via environment variables and provide interpolation of Nomad variables.

func NewTaskEnvironment 

func NewTaskEnvironment(node *structs.Node) *TaskEnvironment

func (*TaskEnvironment) AppendEnvvars 

func (t *TaskEnvironment) AppendEnvvars(m map[string]string) *TaskEnvironment

Appends the given environment variables.

func (*TaskEnvironment) AppendHostEnvvars added in v0.3.2 

func (t *TaskEnvironment) AppendHostEnvvars(filter []string) *TaskEnvironment

AppendHostEnvvars adds the host environment variables to the tasks. The filter parameter can be use to filter host environment from entering the tasks.

func (*TaskEnvironment) Build 

func (t *TaskEnvironment) Build() *TaskEnvironment

Build must be called after all the tasks environment values have been set.

func (*TaskEnvironment) ClearAlloc added in v0.3.1 

func (t *TaskEnvironment) ClearAlloc(alloc *structs.Allocation) *TaskEnvironment

Helper method for clearing all fields from an allocation.

func (*TaskEnvironment) ClearAllocDir 

func (t *TaskEnvironment) ClearAllocDir() *TaskEnvironment

func (*TaskEnvironment) ClearAllocId added in v0.3.1 

func (t *TaskEnvironment) ClearAllocId() *TaskEnvironment

func (*TaskEnvironment) ClearAllocIndex added in v0.3.1 

func (t *TaskEnvironment) ClearAllocIndex() *TaskEnvironment

func (*TaskEnvironment) ClearAllocName added in v0.3.1 

func (t *TaskEnvironment) ClearAllocName() *TaskEnvironment

func (*TaskEnvironment) ClearCpuLimit 

func (t *TaskEnvironment) ClearCpuLimit() *TaskEnvironment

func (*TaskEnvironment) ClearEnvvars 

func (t *TaskEnvironment) ClearEnvvars() *TaskEnvironment

func (*TaskEnvironment) ClearJobMeta added in v0.3.2 

func (t *TaskEnvironment) ClearJobMeta() *TaskEnvironment

func (*TaskEnvironment) ClearMemLimit 

func (t *TaskEnvironment) ClearMemLimit() *TaskEnvironment

func (*TaskEnvironment) ClearTaskGroupMeta added in v0.3.2 

func (t *TaskEnvironment) ClearTaskGroupMeta() *TaskEnvironment

func (*TaskEnvironment) ClearTaskLocalDir 

func (t *TaskEnvironment) ClearTaskLocalDir() *TaskEnvironment

func (*TaskEnvironment) ClearTaskMeta added in v0.3.2 

func (t *TaskEnvironment) ClearTaskMeta() *TaskEnvironment

func (*TaskEnvironment) ClearTaskName added in v0.3.1 

func (t *TaskEnvironment) ClearTaskName() *TaskEnvironment

func (*TaskEnvironment) EnvList 

func (t *TaskEnvironment) EnvList() []string

EnvList returns a list of strings with NAME=value pairs.

func (*TaskEnvironment) EnvMap 

func (t *TaskEnvironment) EnvMap() map[string]string

EnvMap returns a copy of the tasks environment variables.

func (*TaskEnvironment) ParseAndReplace 

func (t *TaskEnvironment) ParseAndReplace(args []string) []string

ParseAndReplace takes the user supplied args replaces any instance of an environment variable or nomad variable in the args with the actual value.

func (*TaskEnvironment) ReplaceEnv 

func (t *TaskEnvironment) ReplaceEnv(arg string) string

ReplaceEnv takes an arg and replaces all occurences of environment variables and nomad variables. If the variable is found in the passed map it is replaced, otherwise the original string is returned.

func (*TaskEnvironment) SetAlloc added in v0.3.1 

func (t *TaskEnvironment) SetAlloc(alloc *structs.Allocation) *TaskEnvironment

Helper method for setting all fields from an allocation.

func (*TaskEnvironment) SetAllocDir 

func (t *TaskEnvironment) SetAllocDir(dir string) *TaskEnvironment

Builder methods to build the TaskEnvironment

func (*TaskEnvironment) SetAllocId added in v0.3.1 

func (t *TaskEnvironment) SetAllocId(id string) *TaskEnvironment

func (*TaskEnvironment) SetAllocIndex added in v0.3.1 

func (t *TaskEnvironment) SetAllocIndex(index int) *TaskEnvironment

func (*TaskEnvironment) SetAllocName added in v0.3.1 

func (t *TaskEnvironment) SetAllocName(name string) *TaskEnvironment

func (*TaskEnvironment) SetCpuLimit 

func (t *TaskEnvironment) SetCpuLimit(limit int) *TaskEnvironment

func (*TaskEnvironment) SetEnvvars 

func (t *TaskEnvironment) SetEnvvars(m map[string]string) *TaskEnvironment

func (*TaskEnvironment) SetJobMeta added in v0.3.2 

func (t *TaskEnvironment) SetJobMeta(m map[string]string) *TaskEnvironment

func (*TaskEnvironment) SetMemLimit 

func (t *TaskEnvironment) SetMemLimit(limit int) *TaskEnvironment

func (*TaskEnvironment) SetNetworks 

func (t *TaskEnvironment) SetNetworks(networks []*structs.NetworkResource) *TaskEnvironment

func (*TaskEnvironment) SetPortMap 

func (t *TaskEnvironment) SetPortMap(portMap map[string]int) *TaskEnvironment

func (*TaskEnvironment) SetTaskGroupMeta added in v0.3.2 

func (t *TaskEnvironment) SetTaskGroupMeta(m map[string]string) *TaskEnvironment

func (*TaskEnvironment) SetTaskLocalDir 

func (t *TaskEnvironment) SetTaskLocalDir(dir string) *TaskEnvironment

func (*TaskEnvironment) SetTaskMeta added in v0.3.2 

func (t *TaskEnvironment) SetTaskMeta(m map[string]string) *TaskEnvironment

Takes a map of meta values to be passed to the task. The keys are capatilized when the environent variable is set.

func (*TaskEnvironment) SetTaskName added in v0.3.1 

func (t *TaskEnvironment) SetTaskName(name string) *TaskEnvironment

Source Files

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