Task driver for FreeBSD jails.
- Website: https://www.nomadproject.io
- Nomad 0.9+
- Go 1.11 (to build the provider plugin)
- FreeBSD 12.0-RELEASE Should work with 11
- Consul
Install(and compile) the jail-task-driver binary and put it in plugin_dir and then add a plugin "jail-task-driver" {} line in your nomad config file.
go get github.com/cneira/jail-task-driver
cp $GOPATH/bin/jail-task-driver YOURPLUGINDIRThen in your nomad config file, set
plugin "jail-task-driver" {}In developer/test mode(nomad agent -dev) , plugin_dir is unset it seems, so you will need to mkdir plugins and then copy the jail-task-driver binary to plugins and add a plugins_dir = "path/to/plugins" to the above config file.
then you can run it like:
nomad agent -dev -config nomad.config
For more details see the nomad docs.
Parameters used by the driver support most of JAIL(8) functionality, parameter names closely match the ones in JAIL(8).
job "test" {
datacenters = ["dc1"]
type = "service"
group "test" {
restart {
attempts = 0
mode = "fail"
}
task "test01" {
driver = "jail-task-driver"
config {
Path = "/zroot/iocage/jails/myjail/root"
Persist = true
}
}
}
}job "non-vnet" {
datacenters = ["dc1"]
type = "service"
group "test" {
restart {
attempts = 0
mode = "fail"
}
task "test01" {
driver = "jail-task-driver"
config {
Path = "/zroot/iocage/jails/myjail/root"
Ip4 = "new"
Allow_raw_sockets = true
Allow_chflags = true
Ip4_addr = "em1|192.168.1.102"
Exec_start = "/usr/local/bin/http-echo -listen :9999 -text hello"
}
}
}
}job "vnet-example" {
datacenters = ["dc1"]
type = "service"
group "test" {
restart {
attempts = 0
mode = "fail"
}
task "test01" {
driver = "jail-task-driver"
config {
Path = "/zroot/iocage/jails/myjail/root"
Persist = true
Host_hostname = "mwl.io"
Exec_clean = true
Exec_start = "sh /etc/rc"
Exec_stop = "sh /etc/rc.shutdown"
Mount_devfs = true
Exec_prestart = "logger trying to start "
Exec_poststart = "logger jail has started"
Exec_prestop = "logger shutting down jail "
Exec_poststop = "logger has shut down jail "
Exec_consolelog ="/var/tmp/vnet-example"
Vnet = true
Vnet_nic = "e0b_loghost"
Exec_prestart = "/usr/share/examples/jails/jib addm loghost em1"
Exec_poststop = "/usr/share/examples/jails/jib destroy loghost "
}
}
}
}job "vnet-example2" {
datacenters = ["dc1"]
type = "service"
group "test" {
restart {
attempts = 0
mode = "fail"
}
task "test01" {
driver = "jail-task-driver"
config {
Path = "/zroot/iocage/jails/myjail/root"
Host_hostname = "mwl.io"
Exec_clean = true
Exec_start = "sh /etc/rc"
Exec_stop = "sh /etc/rc.shutdown"
Mount_devfs = true
Exec_prestart = "logger trying to start "
Exec_poststart = "logger jail has started"
Exec_prestop = "logger shutting down jail "
Exec_poststop = "logger has shut down jail "
Exec_consolelog = "/var/tmp/vnet-example"
Vnet = true
Vnet_nic = "e0b_loghost"
Exec_prestart = "/usr/share/examples/jails/jib addm loghost em1"
Exec_poststop = "/usr/share/examples/jails/jib destroy loghost "
Rctl = {
Vmemoryuse = {
Action = "deny"
Amount = "1G"
Per = "process"
}
Openfiles = {
Action = "deny"
Amount = "500"
}
}
}
}
}
}
It's also possible to support the project on Patreon
Implement exec interfaceImplement RecoverTask interface- Test All jail options
- Refactor to match parameters as closely as JAIL(8)
- Create jails using docker images
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