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What happens if I push all of nixpkgs
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Nix
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let cfg = { clusterId = "066ae264-2a5d-4729-8001-6ad265f50b03"; monA = { name = "a"; ip = "192.168.1.1"; }; osd0 = { name = "0"; key = "AQBCEJNa3s8nHRAANvdsr93KqzBznuIWm2gOGg=="; uuid = "55ba2294-3e24-478f-bee0-9dca4c231dd9"; }; osd1 = { name = "1"; key = "AQBEEJNac00kExAAXEgy943BGyOpVH1LLlHafQ=="; uuid = "5e97a838-85b6-43b0-8950-cb56d554d1e5"; }; osd2 = { name = "2"; key = "AQAdyhZeIaUlARAAGRoidDAmS6Vkp546UFEf5w=="; uuid = "ea999274-13d0-4dd5-9af9-ad25a324f72f"; }; }; generateCephConfig = { daemonConfig }: { enable = true; global = { fsid = cfg.clusterId; monHost = cfg.monA.ip; monInitialMembers = cfg.monA.name; }; } // daemonConfig;
generateHost = { cephConfig, networkConfig, }: { pkgs, ... }: { virtualisation = { emptyDiskImages = [ 20480 20480 20480 ]; vlans = [ 1 ]; };
networking = networkConfig;
environment.systemPackages = with pkgs; [ bash sudo ceph xfsprogs ];
boot.kernelModules = [ "xfs" ];
services.ceph = cephConfig; };
networkMonA = { dhcpcd.enable = false; interfaces.eth1.ipv4.addresses = lib.mkOverride 0 [ { address = cfg.monA.ip; prefixLength = 24; } ]; }; cephConfigMonA = generateCephConfig { daemonConfig = { mon = { enable = true; daemons = [ cfg.monA.name ]; }; mgr = { enable = true; daemons = [ cfg.monA.name ]; }; osd = { enable = true; daemons = [ cfg.osd0.name cfg.osd1.name cfg.osd2.name ]; }; }; };
# Following deployment is based on the manual deployment described here: # https://docs.ceph.com/docs/master/install/manual-deployment/ # For other ways to deploy a ceph cluster, look at the documentation at # https://docs.ceph.com/docs/master/ testScript = '' start_all()
monA.wait_for_unit("network.target")
# Bootstrap ceph-mon daemon monA.succeed( "sudo -u ceph ceph-authtool --create-keyring /tmp/ceph.mon.keyring --gen-key -n mon. --cap mon 'allow *'", "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 *'", "sudo -u ceph ceph-authtool /tmp/ceph.mon.keyring --import-keyring /etc/ceph/ceph.client.admin.keyring", "monmaptool --create --add ${cfg.monA.name} ${cfg.monA.ip} --fsid ${cfg.clusterId} /tmp/monmap", "sudo -u ceph ceph-mon --mkfs -i ${cfg.monA.name} --monmap /tmp/monmap --keyring /tmp/ceph.mon.keyring", "sudo -u ceph touch /var/lib/ceph/mon/ceph-${cfg.monA.name}/done", "systemctl start ceph-mon-${cfg.monA.name}", ) monA.wait_for_unit("ceph-mon-${cfg.monA.name}") monA.succeed("ceph mon enable-msgr2") monA.succeed("ceph config set mon auth_allow_insecure_global_id_reclaim false")
# Can't check ceph status until a mon is up monA.succeed("ceph -s | grep 'mon: 1 daemons'")
# Start the ceph-mgr daemon, after copying in the keyring monA.succeed( "sudo -u ceph mkdir -p /var/lib/ceph/mgr/ceph-${cfg.monA.name}/", "ceph auth get-or-create mgr.${cfg.monA.name} mon 'allow profile mgr' osd 'allow *' mds 'allow *' > /var/lib/ceph/mgr/ceph-${cfg.monA.name}/keyring", "systemctl start ceph-mgr-${cfg.monA.name}", ) monA.wait_for_unit("ceph-mgr-a") monA.wait_until_succeeds("ceph -s | grep 'quorum ${cfg.monA.name}'") monA.wait_until_succeeds("ceph -s | grep 'mgr: ${cfg.monA.name}(active,'")
# Bootstrap OSDs monA.succeed( "mkfs.xfs /dev/vdb", "mkfs.xfs /dev/vdc", "mkfs.xfs /dev/vdd", "mkdir -p /var/lib/ceph/osd/ceph-${cfg.osd0.name}", "mount /dev/vdb /var/lib/ceph/osd/ceph-${cfg.osd0.name}", "mkdir -p /var/lib/ceph/osd/ceph-${cfg.osd1.name}", "mount /dev/vdc /var/lib/ceph/osd/ceph-${cfg.osd1.name}", "mkdir -p /var/lib/ceph/osd/ceph-${cfg.osd2.name}", "mount /dev/vdd /var/lib/ceph/osd/ceph-${cfg.osd2.name}", "ceph-authtool --create-keyring /var/lib/ceph/osd/ceph-${cfg.osd0.name}/keyring --name osd.${cfg.osd0.name} --add-key ${cfg.osd0.key}", "ceph-authtool --create-keyring /var/lib/ceph/osd/ceph-${cfg.osd1.name}/keyring --name osd.${cfg.osd1.name} --add-key ${cfg.osd1.key}", "ceph-authtool --create-keyring /var/lib/ceph/osd/ceph-${cfg.osd2.name}/keyring --name osd.${cfg.osd2.name} --add-key ${cfg.osd2.key}", 'echo \'{"cephx_secret": "${cfg.osd0.key}"}\' | ceph osd new ${cfg.osd0.uuid} -i -', 'echo \'{"cephx_secret": "${cfg.osd1.key}"}\' | ceph osd new ${cfg.osd1.uuid} -i -', 'echo \'{"cephx_secret": "${cfg.osd2.key}"}\' | ceph osd new ${cfg.osd2.uuid} -i -', )
# Initialize the OSDs with regular filestore monA.succeed( "ceph-osd -i ${cfg.osd0.name} --mkfs --osd-uuid ${cfg.osd0.uuid}", "ceph-osd -i ${cfg.osd1.name} --mkfs --osd-uuid ${cfg.osd1.uuid}", "ceph-osd -i ${cfg.osd2.name} --mkfs --osd-uuid ${cfg.osd2.uuid}", "chown -R ceph:ceph /var/lib/ceph/osd", "systemctl start ceph-osd-${cfg.osd0.name}", "systemctl start ceph-osd-${cfg.osd1.name}", "systemctl start ceph-osd-${cfg.osd2.name}", ) monA.wait_until_succeeds("ceph osd stat | grep -e '3 osds: 3 up[^,]*, 3 in'") monA.wait_until_succeeds("ceph -s | grep 'mgr: ${cfg.monA.name}(active,'") monA.wait_until_succeeds("ceph -s | grep 'HEALTH_OK'")
monA.succeed( "ceph osd pool create single-node-test 32 32", "ceph osd pool ls | grep 'single-node-test'",
# We need to enable an application on the pool, otherwise it will # stay unhealthy in state POOL_APP_NOT_ENABLED. # Creating a CephFS would do this automatically, but we haven't done that here. # See: https://docs.ceph.com/en/reef/rados/operations/pools/#associating-a-pool-with-an-application # We use the custom application name "nixos-test" for this. "ceph osd pool application enable single-node-test nixos-test",
"ceph osd pool rename single-node-test single-node-other-test", "ceph osd pool ls | grep 'single-node-other-test'", ) monA.wait_until_succeeds("ceph -s | grep '2 pools, 33 pgs'") monA.succeed( "ceph osd getcrushmap -o crush", "crushtool -d crush -o decrushed", "sed 's/step chooseleaf firstn 0 type host/step chooseleaf firstn 0 type osd/' decrushed > modcrush", "crushtool -c modcrush -o recrushed", "ceph osd setcrushmap -i recrushed", "ceph osd pool set single-node-other-test size 2", ) monA.wait_until_succeeds("ceph -s | grep 'HEALTH_OK'") monA.wait_until_succeeds("ceph -s | grep '33 active+clean'") monA.fail( "ceph osd pool ls | grep 'multi-node-test'", "ceph osd pool delete single-node-other-test single-node-other-test --yes-i-really-really-mean-it", )
# Shut down ceph by stopping ceph.target. monA.succeed("systemctl stop ceph.target")
# Start it up monA.succeed("systemctl start ceph.target") monA.wait_for_unit("ceph-mon-${cfg.monA.name}") monA.wait_for_unit("ceph-mgr-${cfg.monA.name}") monA.wait_for_unit("ceph-osd-${cfg.osd0.name}") monA.wait_for_unit("ceph-osd-${cfg.osd1.name}") monA.wait_for_unit("ceph-osd-${cfg.osd2.name}")
# Ensure the cluster comes back up again monA.succeed("ceph -s | grep 'mon: 1 daemons'") monA.wait_until_succeeds("ceph -s | grep 'quorum ${cfg.monA.name}'") monA.wait_until_succeeds("ceph osd stat | grep -e '3 osds: 3 up[^,]*, 3 in'") monA.wait_until_succeeds("ceph -s | grep 'mgr: ${cfg.monA.name}(active,'") monA.wait_until_succeeds("ceph -s | grep 'HEALTH_OK'")
# Enable the dashboard and recheck health monA.succeed( "ceph mgr module enable dashboard", "ceph config set mgr mgr/dashboard/ssl false", # default is 8080 but it's better to be explicit "ceph config set mgr mgr/dashboard/server_port 8080", ) monA.wait_for_open_port(8080) monA.wait_until_succeeds("curl -q --fail http://localhost:8080") monA.wait_until_succeeds("ceph -s | grep 'HEALTH_OK'") '';in{ name = "basic-single-node-ceph-cluster"; meta = with lib.maintainers; { maintainers = [ lejonet johanot ]; };
nodes = { monA = generateHost { cephConfig = cephConfigMonA; networkConfig = networkMonA; }; };
inherit testScript;}