- the pg_autoscaler will force new empty pools down to 32 pgs - device monitoring metrics consumes 1 pool with 1 pg
197 lines
7.5 KiB
Nix
197 lines
7.5 KiB
Nix
import ./make-test-python.nix ({pkgs, lib, ...}:
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let
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cfg = {
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clusterId = "066ae264-2a5d-4729-8001-6ad265f50b03";
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monA = {
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name = "a";
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ip = "192.168.1.1";
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};
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osd0 = {
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name = "0";
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key = "AQBCEJNa3s8nHRAANvdsr93KqzBznuIWm2gOGg==";
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uuid = "55ba2294-3e24-478f-bee0-9dca4c231dd9";
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};
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osd1 = {
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name = "1";
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key = "AQBEEJNac00kExAAXEgy943BGyOpVH1LLlHafQ==";
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uuid = "5e97a838-85b6-43b0-8950-cb56d554d1e5";
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};
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osd2 = {
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name = "2";
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key = "AQAdyhZeIaUlARAAGRoidDAmS6Vkp546UFEf5w==";
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uuid = "ea999274-13d0-4dd5-9af9-ad25a324f72f";
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};
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};
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generateCephConfig = { daemonConfig }: {
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enable = true;
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global = {
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fsid = cfg.clusterId;
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monHost = cfg.monA.ip;
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monInitialMembers = cfg.monA.name;
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};
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} // daemonConfig;
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generateHost = { pkgs, cephConfig, networkConfig, ... }: {
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virtualisation = {
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memorySize = 512;
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emptyDiskImages = [ 20480 20480 20480 ];
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vlans = [ 1 ];
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};
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networking = networkConfig;
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environment.systemPackages = with pkgs; [
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bash
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sudo
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ceph
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xfsprogs
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];
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boot.kernelModules = [ "xfs" ];
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services.ceph = cephConfig;
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};
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networkMonA = {
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dhcpcd.enable = false;
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interfaces.eth1.ipv4.addresses = pkgs.lib.mkOverride 0 [
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{ address = cfg.monA.ip; prefixLength = 24; }
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];
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};
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cephConfigMonA = generateCephConfig { daemonConfig = {
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mon = {
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enable = true;
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daemons = [ cfg.monA.name ];
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};
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mgr = {
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enable = true;
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daemons = [ cfg.monA.name ];
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};
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osd = {
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enable = true;
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daemons = [ cfg.osd0.name cfg.osd1.name cfg.osd2.name ];
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};
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}; };
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# Following deployment is based on the manual deployment described here:
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# https://docs.ceph.com/docs/master/install/manual-deployment/
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# For other ways to deploy a ceph cluster, look at the documentation at
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# https://docs.ceph.com/docs/master/
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testscript = { ... }: ''
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start_all()
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monA.wait_for_unit("network.target")
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# Bootstrap ceph-mon daemon
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monA.succeed(
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"sudo -u ceph ceph-authtool --create-keyring /tmp/ceph.mon.keyring --gen-key -n mon. --cap mon 'allow *'",
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"sudo -u ceph ceph-authtool --create-keyring /etc/ceph/ceph.client.admin.keyring --gen-key -n client.admin --cap mon 'allow *' --cap osd 'allow *' --cap mds 'allow *' --cap mgr 'allow *'",
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"sudo -u ceph ceph-authtool /tmp/ceph.mon.keyring --import-keyring /etc/ceph/ceph.client.admin.keyring",
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"monmaptool --create --add ${cfg.monA.name} ${cfg.monA.ip} --fsid ${cfg.clusterId} /tmp/monmap",
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"sudo -u ceph ceph-mon --mkfs -i ${cfg.monA.name} --monmap /tmp/monmap --keyring /tmp/ceph.mon.keyring",
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"sudo -u ceph touch /var/lib/ceph/mon/ceph-${cfg.monA.name}/done",
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"systemctl start ceph-mon-${cfg.monA.name}",
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)
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monA.wait_for_unit("ceph-mon-${cfg.monA.name}")
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monA.succeed("ceph mon enable-msgr2")
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# Can't check ceph status until a mon is up
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monA.succeed("ceph -s | grep 'mon: 1 daemons'")
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# Start the ceph-mgr daemon, after copying in the keyring
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monA.succeed(
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"sudo -u ceph mkdir -p /var/lib/ceph/mgr/ceph-${cfg.monA.name}/",
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"ceph auth get-or-create mgr.${cfg.monA.name} mon 'allow profile mgr' osd 'allow *' mds 'allow *' > /var/lib/ceph/mgr/ceph-${cfg.monA.name}/keyring",
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"systemctl start ceph-mgr-${cfg.monA.name}",
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)
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monA.wait_for_unit("ceph-mgr-a")
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monA.wait_until_succeeds("ceph -s | grep 'quorum ${cfg.monA.name}'")
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monA.wait_until_succeeds("ceph -s | grep 'mgr: ${cfg.monA.name}(active,'")
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# Bootstrap OSDs
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monA.succeed(
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"mkfs.xfs /dev/vdb",
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"mkfs.xfs /dev/vdc",
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"mkfs.xfs /dev/vdd",
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"mkdir -p /var/lib/ceph/osd/ceph-${cfg.osd0.name}",
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"mount /dev/vdb /var/lib/ceph/osd/ceph-${cfg.osd0.name}",
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"mkdir -p /var/lib/ceph/osd/ceph-${cfg.osd1.name}",
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"mount /dev/vdc /var/lib/ceph/osd/ceph-${cfg.osd1.name}",
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"mkdir -p /var/lib/ceph/osd/ceph-${cfg.osd2.name}",
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"mount /dev/vdd /var/lib/ceph/osd/ceph-${cfg.osd2.name}",
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"ceph-authtool --create-keyring /var/lib/ceph/osd/ceph-${cfg.osd0.name}/keyring --name osd.${cfg.osd0.name} --add-key ${cfg.osd0.key}",
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"ceph-authtool --create-keyring /var/lib/ceph/osd/ceph-${cfg.osd1.name}/keyring --name osd.${cfg.osd1.name} --add-key ${cfg.osd1.key}",
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"ceph-authtool --create-keyring /var/lib/ceph/osd/ceph-${cfg.osd2.name}/keyring --name osd.${cfg.osd2.name} --add-key ${cfg.osd2.key}",
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'echo \'{"cephx_secret": "${cfg.osd0.key}"}\' | ceph osd new ${cfg.osd0.uuid} -i -',
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'echo \'{"cephx_secret": "${cfg.osd1.key}"}\' | ceph osd new ${cfg.osd1.uuid} -i -',
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'echo \'{"cephx_secret": "${cfg.osd2.key}"}\' | ceph osd new ${cfg.osd2.uuid} -i -',
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)
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# Initialize the OSDs with regular filestore
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monA.succeed(
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"ceph-osd -i ${cfg.osd0.name} --mkfs --osd-uuid ${cfg.osd0.uuid}",
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"ceph-osd -i ${cfg.osd1.name} --mkfs --osd-uuid ${cfg.osd1.uuid}",
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"ceph-osd -i ${cfg.osd2.name} --mkfs --osd-uuid ${cfg.osd2.uuid}",
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"chown -R ceph:ceph /var/lib/ceph/osd",
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"systemctl start ceph-osd-${cfg.osd0.name}",
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"systemctl start ceph-osd-${cfg.osd1.name}",
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"systemctl start ceph-osd-${cfg.osd2.name}",
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)
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monA.wait_until_succeeds("ceph osd stat | grep -e '3 osds: 3 up[^,]*, 3 in'")
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monA.wait_until_succeeds("ceph -s | grep 'mgr: ${cfg.monA.name}(active,'")
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monA.wait_until_succeeds("ceph -s | grep 'HEALTH_OK'")
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monA.succeed(
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"ceph osd pool create single-node-test 32 32",
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"ceph osd pool ls | grep 'single-node-test'",
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"ceph osd pool rename single-node-test single-node-other-test",
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"ceph osd pool ls | grep 'single-node-other-test'",
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)
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monA.wait_until_succeeds("ceph -s | grep '2 pools, 33 pgs'")
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monA.succeed(
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"ceph osd getcrushmap -o crush",
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"crushtool -d crush -o decrushed",
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"sed 's/step chooseleaf firstn 0 type host/step chooseleaf firstn 0 type osd/' decrushed > modcrush",
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"crushtool -c modcrush -o recrushed",
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"ceph osd setcrushmap -i recrushed",
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"ceph osd pool set single-node-other-test size 2",
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)
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monA.wait_until_succeeds("ceph -s | grep 'HEALTH_OK'")
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monA.wait_until_succeeds("ceph -s | grep '33 active+clean'")
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monA.fail(
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"ceph osd pool ls | grep 'multi-node-test'",
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"ceph osd pool delete single-node-other-test single-node-other-test --yes-i-really-really-mean-it",
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)
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# Shut down ceph by stopping ceph.target.
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monA.succeed("systemctl stop ceph.target")
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# Start it up
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monA.succeed("systemctl start ceph.target")
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monA.wait_for_unit("ceph-mon-${cfg.monA.name}")
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monA.wait_for_unit("ceph-mgr-${cfg.monA.name}")
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monA.wait_for_unit("ceph-osd-${cfg.osd0.name}")
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monA.wait_for_unit("ceph-osd-${cfg.osd1.name}")
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monA.wait_for_unit("ceph-osd-${cfg.osd2.name}")
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# Ensure the cluster comes back up again
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monA.succeed("ceph -s | grep 'mon: 1 daemons'")
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monA.wait_until_succeeds("ceph -s | grep 'quorum ${cfg.monA.name}'")
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monA.wait_until_succeeds("ceph osd stat | grep -e '3 osds: 3 up[^,]*, 3 in'")
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monA.wait_until_succeeds("ceph -s | grep 'mgr: ${cfg.monA.name}(active,'")
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monA.wait_until_succeeds("ceph -s | grep 'HEALTH_OK'")
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'';
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in {
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name = "basic-single-node-ceph-cluster";
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meta = with pkgs.stdenv.lib.maintainers; {
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maintainers = [ lejonet johanot ];
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};
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nodes = {
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monA = generateHost { pkgs = pkgs; cephConfig = cephConfigMonA; networkConfig = networkMonA; };
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};
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testScript = testscript;
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})
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