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https://github.com/NixOS/nixpkgs.git
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273 lines
11 KiB
Nix
273 lines
11 KiB
Nix
import ./make-test-python.nix (
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{ pkgs, lib, ... }:
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let
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# the single node ipv6 address
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ip = "2001:db8:ffff::";
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# the global ceph cluster id
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cluster = "54465b37-b9d8-4539-a1f9-dd33c75ee45a";
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# the fsids of OSDs
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osd-fsid-map = {
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"0" = "1c1b7ea9-06bf-4d30-9a01-37ac3a0254aa";
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"1" = "bd5a6f49-69d5-428c-ac25-a99f0c44375c";
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"2" = "c90de6c7-86c6-41da-9694-e794096dfc5c";
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};
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in
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{
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name = "basic-single-node-ceph-cluster-bluestore-dmcrypt";
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meta = {
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maintainers = with lib.maintainers; [
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benaryorg
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nh2
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];
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};
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nodes = {
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ceph =
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{ pkgs, config, ... }:
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{
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# disks for bluestore
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virtualisation.emptyDiskImages = [
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20480
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20480
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20480
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];
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# networking setup (no external connectivity required, only local IPv6)
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networking.useDHCP = false;
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systemd.network = {
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enable = true;
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wait-online.extraArgs = [
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"-i"
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"lo"
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];
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networks = {
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"40-loopback" = {
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enable = true;
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name = "lo";
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DHCP = "no";
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addresses = [ { Address = "${ip}/128"; } ];
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};
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};
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};
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# do not start the ceph target by default so we can format the disks first
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systemd.targets.ceph.wantedBy = lib.mkForce [ ];
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# add the packages to systemPackages so the testscript doesn't run into any unexpected issues
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# this shouldn't be required on production systems which have their required packages in the unit paths only
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# but it helps in case one needs to actually run the tooling anyway
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environment.systemPackages = with pkgs; [
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ceph
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cryptsetup
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lvm2
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];
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services.ceph = {
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enable = true;
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client.enable = true;
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extraConfig = {
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public_addr = ip;
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cluster_addr = ip;
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# ipv6
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ms_bind_ipv4 = "false";
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ms_bind_ipv6 = "true";
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# msgr2 settings
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ms_cluster_mode = "secure";
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ms_service_mode = "secure";
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ms_client_mode = "secure";
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ms_mon_cluster_mode = "secure";
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ms_mon_service_mode = "secure";
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ms_mon_client_mode = "secure";
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# less default modules, cuts down on memory and startup time in the tests
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mgr_initial_modules = "";
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# distribute by OSD, not by host, as per https://docs.ceph.com/en/reef/cephadm/install/#single-host
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osd_crush_chooseleaf_type = "0";
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};
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client.extraConfig."mon.0" = {
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host = "ceph";
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mon_addr = "v2:[${ip}]:3300";
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public_addr = "v2:[${ip}]:3300";
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};
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global = {
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fsid = cluster;
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clusterNetwork = "${ip}/64";
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publicNetwork = "${ip}/64";
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monInitialMembers = "0";
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};
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mon = {
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enable = true;
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daemons = [ "0" ];
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};
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osd = {
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enable = true;
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daemons = builtins.attrNames osd-fsid-map;
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};
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mgr = {
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enable = true;
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daemons = [ "ceph" ];
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};
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};
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systemd.services =
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let
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osd-name = id: "ceph-osd-${id}";
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osd-pre-start = id: [
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"!${config.services.ceph.osd.package.out}/bin/ceph-volume lvm activate --bluestore ${id} ${osd-fsid-map.${id}} --no-systemd"
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"${config.services.ceph.osd.package.lib}/libexec/ceph/ceph-osd-prestart.sh --id ${id} --cluster ${config.services.ceph.global.clusterName}"
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];
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osd-post-stop = id: [
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"!${config.services.ceph.osd.package.out}/bin/ceph-volume lvm deactivate ${id}"
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];
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map-osd = id: {
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name = osd-name id;
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value = {
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serviceConfig.ExecStartPre = lib.mkForce (osd-pre-start id);
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serviceConfig.ExecStopPost = osd-post-stop id;
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unitConfig.ConditionPathExists = lib.mkForce [ ];
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unitConfig.StartLimitBurst = lib.mkForce 4;
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path = with pkgs; [
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util-linux
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lvm2
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cryptsetup
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];
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};
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};
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in
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lib.pipe config.services.ceph.osd.daemons [
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(builtins.map map-osd)
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builtins.listToAttrs
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];
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};
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};
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testScript =
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{ ... }:
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''
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start_all()
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ceph.wait_for_unit("default.target")
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# Bootstrap ceph-mon daemon
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ceph.succeed(
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"mkdir -p /var/lib/ceph/bootstrap-osd",
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"ceph-authtool --create-keyring /tmp/ceph.mon.keyring --gen-key -n mon. --cap mon 'allow *'",
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"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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"ceph-authtool --create-keyring /var/lib/ceph/bootstrap-osd/ceph.keyring --gen-key -n client.bootstrap-osd --cap mon 'profile bootstrap-osd' --cap mgr 'allow r'",
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"ceph-authtool /tmp/ceph.mon.keyring --import-keyring /etc/ceph/ceph.client.admin.keyring",
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"ceph-authtool /tmp/ceph.mon.keyring --import-keyring /var/lib/ceph/bootstrap-osd/ceph.keyring",
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"monmaptool --create --fsid ${cluster} --addv 0 'v2:[${ip}]:3300/0' --clobber /tmp/ceph.initial-monmap",
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"mkdir -p /var/lib/ceph/mon/ceph-0",
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"ceph-mon --mkfs -i 0 --monmap /tmp/ceph.initial-monmap --keyring /tmp/ceph.mon.keyring",
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"chown ceph:ceph -R /tmp/ceph.mon.keyring /var/lib/ceph",
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"systemctl start ceph-mon-0.service",
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)
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ceph.wait_for_unit("ceph-mon-0.service")
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# should the mon not start or bind for some reason this gives us a better error message than the config commands running into a timeout
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ceph.wait_for_open_port(3300, "${ip}")
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ceph.succeed(
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# required for HEALTH_OK
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"ceph config set mon auth_allow_insecure_global_id_reclaim false",
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# IPv6
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"ceph config set global ms_bind_ipv4 false",
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"ceph config set global ms_bind_ipv6 true",
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# the new (secure) protocol
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"ceph config set global ms_bind_msgr1 false",
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"ceph config set global ms_bind_msgr2 true",
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# just a small little thing
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"ceph config set mon mon_compact_on_start true",
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)
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# Can't check ceph status until a mon is up
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ceph.succeed("ceph -s | grep 'mon: 1 daemons'")
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# Bootstrap OSDs (do this before starting the mgr because cryptsetup and the mgr both eat a lot of memory)
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ceph.succeed(
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# this will automatically do what's required for LVM, cryptsetup, and stores all the data in Ceph's internal databases
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"ceph-volume lvm prepare --bluestore --data /dev/vdb --dmcrypt --no-systemd --osd-id 0 --osd-fsid ${osd-fsid-map."0"}",
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"ceph-volume lvm prepare --bluestore --data /dev/vdc --dmcrypt --no-systemd --osd-id 1 --osd-fsid ${osd-fsid-map."1"}",
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"ceph-volume lvm prepare --bluestore --data /dev/vdd --dmcrypt --no-systemd --osd-id 2 --osd-fsid ${osd-fsid-map."2"}",
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"sudo ceph-volume lvm deactivate 0",
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"sudo ceph-volume lvm deactivate 1",
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"sudo ceph-volume lvm deactivate 2",
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"chown -R ceph:ceph /var/lib/ceph",
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)
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# Start OSDs (again, argon2id eats memory, so this happens before starting the mgr)
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ceph.succeed(
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"systemctl start ceph-osd-0.service",
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"systemctl start ceph-osd-1.service",
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"systemctl start ceph-osd-2.service",
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)
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ceph.wait_until_succeeds("ceph -s | grep 'quorum 0'")
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ceph.wait_until_succeeds("ceph osd stat | grep -e '3 osds: 3 up[^,]*, 3 in'")
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# Start the ceph-mgr daemon, after copying in the keyring
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ceph.succeed(
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"mkdir -p /var/lib/ceph/mgr/ceph-ceph/",
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"ceph auth get-or-create -o /var/lib/ceph/mgr/ceph-ceph/keyring mgr.ceph mon 'allow profile mgr' osd 'allow *' mds 'allow *'",
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"chown -R ceph:ceph /var/lib/ceph/mgr/ceph-ceph/",
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"systemctl start ceph-mgr-ceph.service",
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)
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ceph.wait_for_unit("ceph-mgr-ceph")
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ceph.wait_until_succeeds("ceph -s | grep 'quorum 0'")
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ceph.wait_until_succeeds("ceph -s | grep 'mgr: ceph(active,'")
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ceph.wait_until_succeeds("ceph osd stat | grep -e '3 osds: 3 up[^,]*, 3 in'")
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ceph.wait_until_succeeds("ceph -s | grep 'HEALTH_OK'")
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# test the actual storage
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ceph.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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# We need to enable an application on the pool, otherwise it will
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# stay unhealthy in state POOL_APP_NOT_ENABLED.
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# Creating a CephFS would do this automatically, but we haven't done that here.
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# See: https://docs.ceph.com/en/reef/rados/operations/pools/#associating-a-pool-with-an-application
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# We use the custom application name "nixos-test" for this.
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"ceph osd pool application enable single-node-test nixos-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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ceph.wait_until_succeeds("ceph -s | grep '2 pools, 33 pgs'")
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ceph.wait_until_succeeds("ceph -s | grep 'HEALTH_OK'")
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ceph.wait_until_succeeds("ceph -s | grep '33 active+clean'")
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ceph.fail(
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# the old pool should be gone
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"ceph osd pool ls | grep 'multi-node-test'",
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# deleting the pool should fail without setting mon_allow_pool_delete
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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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# rebooting gets rid of any potential tmpfs mounts or device-mapper devices
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ceph.shutdown()
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ceph.start()
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ceph.wait_for_unit("default.target")
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# Start it up (again OSDs first due to memory constraints of cryptsetup and mgr)
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ceph.systemctl("start ceph-mon-0.service")
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ceph.wait_for_unit("ceph-mon-0")
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ceph.systemctl("start ceph-osd-0.service")
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ceph.wait_for_unit("ceph-osd-0")
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ceph.systemctl("start ceph-osd-1.service")
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ceph.wait_for_unit("ceph-osd-1")
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ceph.systemctl("start ceph-osd-2.service")
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ceph.wait_for_unit("ceph-osd-2")
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ceph.systemctl("start ceph-mgr-ceph.service")
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ceph.wait_for_unit("ceph-mgr-ceph")
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# Ensure the cluster comes back up again
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ceph.succeed("ceph -s | grep 'mon: 1 daemons'")
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ceph.wait_until_succeeds("ceph -s | grep 'quorum 0'")
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ceph.wait_until_succeeds("ceph osd stat | grep -E '3 osds: 3 up[^,]*, 3 in'")
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ceph.wait_until_succeeds("ceph -s | grep 'mgr: ceph(active,'")
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ceph.wait_until_succeeds("ceph -s | grep 'HEALTH_OK'")
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'';
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}
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)
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