worker job from concourse/5.2.1
The 'worker' nodes are what actually run Concourse workloads (builds, resource checking, etc). They register with Concourse via the SSH worker gateway running on the 'web' nodes.
Github source:
b8eabc2
or
master branch
Properties¶
baggageclaim
¶
bind_port
¶Port on which Baggageclaim should listen for HTTP traffic.
- Default
7788
disable_user_namespaces
¶Disable remapping of user/group IDs in unprivileged volumes.
For use in combination with ‘garden.use_houdini’.
- Default
detect
driver
¶Driver to use for the volume store. One of detect, overlay, btrfs, or naive.
- Default
detect
certs_path
¶
A path to a directory on the instance to create the resource certificates volume from.
- Default
/etc/ssl/certs
connection_drain_timeout
¶
Duration after which a worker should give up draining forwarded connections on shutdown.
- Default
1h
container_sweeper_max_in_flight
¶
Maximum number of containers which can be swept in parallel.
debug
¶
bind_ip
¶IP address on which to listen for the pprof debugger endpoints.
- Default
127.0.0.1
bind_port
¶Port on which to listen for the pprof debugger endpoints.
- Default
7776
drain_timeout
¶
Maximum wait time in Go duration format (1m = 1 minute) for worker drain to be finished. Only applies when worker is getting shutdown.
If not specified, it will be indefinite.
- Default
1h
ephemeral
¶
If set, the worker will immediately disappear upon stalling.
- Default
false
external_garden_url
¶
API endpoint of an externally managed Garden server to use instead of running the embedded Garden server.
garden
¶
allow_host_access
¶Allow containers to reach the worker VM’s network.
- Default
false
deny_networks
¶Network ranges to which traffic from containers will be denied.
- Example
[]
dns_servers
¶DNS servers IP addresses to use instead of automatically propagating the host’s DNS configuration.
- Example
[]
use_houdini
¶Use the insecure Houdini Garden backend.
If specified, the other garden.* properties have no effect.
healthcheck
¶
bind_ip
¶IP address on which to listen for health checking requests.
bind_port
¶Port on which to listen for health checking requests.
timeout
¶HTTP timeout for the full duration of health checking.
http_proxy_url
¶
Proxy to use for outgoing http requests from containers.
https_proxy_url
¶
Proxy to use for outgoing https requests from containers.
log_level
¶
The log level for the worker. When set to debug, you’ll see a lot more information.
- Default
info
no_proxy
¶
A list domains and IPs with optional port for which the proxy should be bypassed.
- Example
-
- localhost - 127.0.0.1 - example.com - domain.com:8080
sweep_interval
¶
Interval on which to destroy containers and volumes marked for garbage collection.
- Default
30s
tags
¶
An array of tags to advertise for each worker.
- Example
-
- special
team
¶
Register the worker for a single team.
If not specified, the worker will be shared across all teams.
volume_sweeper_max_in_flight
¶
Maximum number of volumes which can be swept in parallel.
worker_gateway
¶
host_public_key
¶Public key to verify for the TSA server. If not specified, the
web
link is used.
- Example
ssh-rsa ...
hosts
¶Addresses (host:port) of TSA servers to register with.
If not specified, the
web
link is used.
rebalance_interval
¶The interval on which the worker will connect to a new SSH gateway and drain the old connection. This has the effect of rebalancing the forwarded workers across the SSH gateways over time.
If not specified, the worker will not rebalance over time, and instead stick with whichever SSH gateway it initially connected to.
worker_key
¶SSH key to use when authenticating with the TSA.
- Example
private_key: |+ -----BEGIN RSA PRIVATE KEY----- ... -----END RSA PRIVATE KEY----- public_key: ssh-rsa ...
Templates¶
Templates are rendered and placed onto corresponding
instances during the deployment process. This job's templates
will be placed into /var/vcap/jobs/worker/
directory
(learn more).
bin/concourse_start
(fromconcourse_start.erb
)bin/concourse_stop
(fromconcourse_stop.erb
)bin/ctl
(fromctl.erb
)bin/drain
(fromdrain.erb
)bin/pre_start
(frompre_start.erb
)config/concourse.service
(fromconcourse.service
)config/env.sh
(fromenv.sh.erb
)config/worker_gateway_host_key.pub
(fromworker_gateway_host_key.pub.erb
)
Packages¶
Packages are compiled and placed onto corresponding
instances during the deployment process. Packages will be
placed into /var/vcap/packages/
directory.