Has anyone had success in using cephadm to add extra_container_args onto the
node-exporter config? For example changing the collector config.
I am trying and failing using the following:
1. Create ne.yml
service_type: node-exporter
service_name: node-exporter
placement:
host_pattern: '*'
extra_container_args:
- --collector.textfile.directory=/var/lib/node_exporter/textfile_collector
2. cephadm shell --mount ne.yml:/var/lib/ceph/node-exporter/ne.yml
3. ceph orch apply -i '/var/lib/ceph/node-exporter/ne.yml'
4. Service will fail to start as the args have been applied at the beginning of
the service config and not at the end..e.g. cat
/var/lib/ceph/a898358c-eeac-11ec-b707-0800279b70f1/node-exporter.node1-cceph1-vagrant-local1/unit.run
/bin/podman run --rm --ipc=host --stop-signal=SIGTERM --net=host --init --name
ceph-a898358c-eeac-11ec-b707-0800279b70f1-node-exporter-node1-cceph1-vagrant-local1
--user 65534 --security-opt label=disable -d --log-driver journald
--conmon-pidfile
/run/ceph-a898358c-eeac-11ec-b707-0800279b70f1@node-exporter.node1-cceph1-vagrant-local1.service-pid
--cidfile
/run/ceph-a898358c-eeac-11ec-b707-0800279b70f1@node-exporter.node1-cceph1-vagrant-local1.service-cid
--cgroups=split
--collector.textfile.directory=/var/lib/node_exporter/textfile_collector -e
CONTAINER_IMAGE=quay.io/prometheus/node-exporter:v1.3.1 -e
NODE_NAME=node1-cceph1-vagrant-local1.dev-globalrelay.net -e
CEPH_USE_RANDOM_NONCE=1 -v /proc:/host/proc:ro -v /sys:/host/sys:ro -v
/:/rootfs:ro quay.io/prometheus/node-exporter:v1.3.1 --no-collector.timex
--web.listen-address=:9100 --path.procfs=/host/proc --path.sysfs=/host/sys
--path.rootfs=/rootfs
Looking at the cephadm deployer I had expected the extra args to be added at
the end:
https://github.com/ceph/ceph/blob/c37bd103033bc0a9f05ec0e78cef7cbca5649eeb/src/cephadm/cephadm#L575
and
https://github.com/ceph/ceph/blob/c37bd103033bc0a9f05ec0e78cef7cbca5649eeb/src/cephadm/cephadm#L5761
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