cluster/kube/k0.libsonnet

// k0.hswaw.net kubernetes cluster
// This defines the cluster as a single object.
// Use the sibling k0*.jsonnet 'view' files to actually apply the configuration.

local kube = import "../../kube/kube.libsonnet";
local policies = import "../../kube/policies.libsonnet";

local cluster = import "cluster.libsonnet";

local cockroachdb = import "lib/cockroachdb.libsonnet";
local registry = import "lib/registry.libsonnet";
local rook = import "lib/rook.libsonnet";

{
    k0: {
        local k0 = self,
        cluster: cluster.Cluster("k0", "hswaw.net") {
            cfg+: {
                storageClassNameParanoid: k0.ceph.waw3Pools.blockRedundant.name,
            },
            metallb+: {
                cfg+: {
                    // Peer with calico running on same node.
                    peers: [
                        {
                            "peer-address": "127.0.0.1",
                            "peer-asn": 65003,
                            "my-asn": 65002,
                        },
                    ],
                    // Public IP address pools. Keep in sync with k0.calico.yaml.
                    addressPools: [
                        {
                            name: "public-v4-1",
                            protocol: "bgp",
                            addresses: [
                                "185.236.240.48/28",
                            ],
                        },
                        {
                            name: "public-v4-2",
                            protocol: "bgp",
                            addresses: [
                                "185.236.240.112/28"
                            ],
                        },
                    ],
                },
            },
        },

        // Docker registry
        registry: registry.Environment {
            cfg+: {
                domain: "registry.%s" % [k0.cluster.fqdn],
                storageClassName: k0.cluster.cfg.storageClassNameParanoid,
                objectStorageName: "waw-hdd-redundant-3-object",
            },
        },

        // CockroachDB, running on bc01n{01,02,03}.
        cockroach: {
            waw2: cockroachdb.Cluster("crdb-waw1") {
                cfg+: {
                    topology: [
                        { name: "bc01n01", node: "bc01n01.hswaw.net" },
                        { name: "bc01n02", node: "bc01n02.hswaw.net" },
                        { name: "bc01n03", node: "bc01n03.hswaw.net" },
                    ],
                    // Host path on SSD.
                    hostPath: "/var/db/crdb-waw1",
                    extraDNS: [
                        "crdb-waw1.hswaw.net",
                    ],
                },
            },
            clients: {
                cccampix: k0.cockroach.waw2.Client("cccampix"),
                cccampixDev: k0.cockroach.waw2.Client("cccampix-dev"),
                buglessDev: k0.cockroach.waw2.Client("bugless-dev"),
                sso: k0.cockroach.waw2.Client("sso"),
                herpDev: k0.cockroach.waw2.Client("herp-dev"),
            },
        },

        ceph: {
            // waw1 cluster - dead as of 2019/08/06, data corruption
            // waw2 cluster: shitty 7200RPM 2.5" HDDs
            waw2: rook.Cluster(k0.cluster.rook, "ceph-waw2") {
                spec: {
                    mon: {
                        count: 3,
                        allowMultiplePerNode: false,
                    },
                    storage: {
                        useAllNodes: false,
                        useAllDevices: false,
                        config: {
                            databaseSizeMB: "1024",
                            journalSizeMB: "1024",
                        },
                        nodes: [
                            {
                                name: "bc01n01.hswaw.net",
                                location: "rack=dcr01 chassis=bc01 host=bc01n01",
                                devices: [ { name: "sda" } ],
                            },
                            {
                                name: "bc01n02.hswaw.net",
                                location: "rack=dcr01 chassis=bc01 host=bc01n02",
                                devices: [ { name: "sda" } ],
                            },
                            {
                                name: "bc01n03.hswaw.net",
                                location: "rack=dcr01 chassis=bc01 host=bc01n03",
                                devices: [ { name: "sda" } ],
                            },
                        ],
                    },
                    benji:: {
                        metadataStorageClass: "waw-hdd-paranoid-2",
                        encryptionPassword: std.split((importstr "../secrets/plain/k0-benji-encryption-password"), '\n')[0],
                        pools: [
                            "waw-hdd-redundant-2",
                            "waw-hdd-redundant-2-metadata",
                            "waw-hdd-paranoid-2",
                            "waw-hdd-yolo-2",
                        ],
                        s3Configuration: {
                            awsAccessKeyId: "RPYZIROFXNLQVU2WJ4R3",
                            awsSecretAccessKey: std.split((importstr "../secrets/plain/k0-benji-secret-access-key"), '\n')[0],
                            bucketName: "benji-k0-backups",
                            endpointUrl: "https://s3.eu-central-1.wasabisys.com/",
                        },
                    }
                },
            },
            waw2Pools: {
                // redundant block storage
                blockRedundant: rook.ECBlockPool(k0.ceph.waw2, "waw-hdd-redundant-2") {
                    spec: {
                        failureDomain: "host",
                        erasureCoded: {
                            dataChunks: 2,
                            codingChunks: 1,
                        },
                    },
                },
                // paranoid block storage (3 replicas)
                blockParanoid: rook.ReplicatedBlockPool(k0.ceph.waw2, "waw-hdd-paranoid-2") {
                    spec: {
                        failureDomain: "host",
                        replicated: {
                            size: 3,
                        },
                    },
                },
                // yolo block storage (no replicas!)
                blockYolo: rook.ReplicatedBlockPool(k0.ceph.waw2, "waw-hdd-yolo-2") {
                    spec: {
                        failureDomain: "host",
                        replicated: {
                            size: 1,
                        },
                    },
                },
                objectRedundant: rook.S3ObjectStore(k0.ceph.waw2, "waw-hdd-redundant-2-object") {
                    spec: {
                        metadataPool: {
                            failureDomain: "host",
                            replicated: { size: 3 },
                        },
                        dataPool: {
                            failureDomain: "host",
                            erasureCoded: {
                                dataChunks: 2,
                                codingChunks: 1,
                            },
                        },
                    },
                },
            },

            // waw3: 6TB SAS 3.5" HDDs
            waw3: rook.Cluster(k0.cluster.rook, "ceph-waw3") {
                spec: {
                    mon: {
                        count: 3,
                        allowMultiplePerNode: false,
                    },
                    storage: {
                        useAllNodes: false,
                        useAllDevices: false,
                        config: {
                            databaseSizeMB: "1024",
                            journalSizeMB: "1024",
                        },
                        nodes: [
                            {
                                name: "dcr01s22.hswaw.net",
                                location: "rack=dcr01 host=dcr01s22",
                                devices: [
                                    // https://github.com/rook/rook/issues/1228
                                    //{ name: "disk/by-id/wwan-0x" + wwan }
                                    //for wwan in [
                                    //    "5000c5008508c433",
                                    //    "5000c500850989cf",
                                    //    "5000c5008508f843",
                                    //    "5000c5008508baf7",
                                    //]
                                    { name: "sdn" },
                                    { name: "sda" },
                                    { name: "sdb" },
                                    { name: "sdc" },
                                ],
                            },
                            {
                                name: "dcr01s24.hswaw.net",
                                location: "rack=dcr01 host=dcr01s22",
                                devices: [
                                    // https://github.com/rook/rook/issues/1228
                                    //{ name: "disk/by-id/wwan-0x" + wwan }
                                    //for wwan in [
                                    //    "5000c5008508ee03",
                                    //    "5000c5008508c9ef",
                                    //    "5000c5008508df33",
                                    //    "5000c5008508dd3b",
                                    //]
                                    { name: "sdm" },
                                    { name: "sda" },
                                    { name: "sdb" },
                                    { name: "sdc" },
                                ],
                            },
                        ],
                    },
                    benji:: {
                        metadataStorageClass: "waw-hdd-redundant-3",
                        encryptionPassword: std.split((importstr "../secrets/plain/k0-benji-encryption-password"), '\n')[0],
                        pools: [
                            "waw-hdd-redundant-3",
                            "waw-hdd-redundant-3-metadata",
                            "waw-hdd-yolo-3",
                        ],
                        s3Configuration: {
                            awsAccessKeyId: "RPYZIROFXNLQVU2WJ4R3",
                            awsSecretAccessKey: std.split((importstr "../secrets/plain/k0-benji-secret-access-key"), '\n')[0],
                            bucketName: "benji-k0-backups-waw3",
                            endpointUrl: "https://s3.eu-central-1.wasabisys.com/",
                        },
                    }
                },
            },
            waw3Pools: {
                // redundant block storage
                blockRedundant: rook.ECBlockPool(k0.ceph.waw3, "waw-hdd-redundant-3") {
                    metadataReplicas: 2,
                    spec: {
                        failureDomain: "host",
                        replicated: {
                          size: 2,
                        },
                    },
                },
                // yolo block storage (low usage, no host redundancy)
                blockYolo: rook.ReplicatedBlockPool(k0.ceph.waw3, "waw-hdd-yolo-3") {
                    spec: {
                        failureDomain: "osd",
                        erasureCoded: {
                            dataChunks: 12,
                            codingChunks: 4,
                        },
                    },
                },
                // q3k's personal pool, used externally from k8s.
                q3kRedundant: rook.ECBlockPool(k0.ceph.waw3, "waw-hdd-redundant-q3k-3") {
                    metadataReplicas: 2,
                    spec: {
                        failureDomain: "host",
                        replicated: {
                          size: 2,
                        },
                    },
                },
                objectRedundant: rook.S3ObjectStore(k0.ceph.waw3, "waw-hdd-redundant-3-object") {
                    spec: {
                        metadataPool: {
                            failureDomain: "host",
                            replicated: { size: 2 },
                        },
                        dataPool: {
                            failureDomain: "host",
                            replicated: { size: 2 },
                        },
                    },
                },
            },

            // Clients for S3/radosgw storage.
            clients: {
                # Used for owncloud.hackerspace.pl, which for now lives on boston-packets.hackerspace.pl.
                nextcloudWaw3: kube.CephObjectStoreUser("nextcloud") {
                    metadata+: {
                        namespace: "ceph-waw3",
                    },
                    spec: {
                        store: "waw-hdd-redundant-3-object",
                        displayName: "nextcloud",
                    },
                },

                # nuke@hackerspace.pl's personal storage.
                nukePersonalWaw3: kube.CephObjectStoreUser("nuke-personal") {
                    metadata+: {
                        namespace: "ceph-waw3",
                    },
                    spec: {
                        store: "waw-hdd-redundant-3-object",
                        displayName: "nuke-personal",
                    },
                },

                # patryk@hackerspace.pl's ArmA3 mod bucket.
                cz2ArmaModsWaw3: kube.CephObjectStoreUser("cz2-arma3mods") {
                    metadata+: {
                        namespace: "ceph-waw3",
                    },
                    spec: {
                        store: "waw-hdd-redundant-3-object",
                        displayName: "cz2-arma3mods",
                    },
                },
                # Buckets for spark pipelines
                # TODO(implr): consider a second yolo-backed one for temp data
                implrSparkWaw3: kube.CephObjectStoreUser("implr-spark") {
                    metadata+: {
                        namespace: "ceph-waw3",
                    },
                    spec: {
                        store: "waw-hdd-redundant-3-object",
                        displayName: "implr-spark",
                    },
                },
                # q3k's personal user
                q3kWaw3: kube.CephObjectStoreUser("q3k") {
                    metadata+: {
                        namespace: "ceph-waw3",
                    },
                    spec: {
                        store: "waw-hdd-redundant-3-object",
                        displayName: "q3k",
                    },
                },
                # woju's personal user
                wojuWaw3: kube.CephObjectStoreUser("woju") {
                    metadata+: {
                        namespace: "ceph-waw3",
                    },
                    spec: {
                        store: "waw-hdd-redundant-3-object",
                        displayName: "woju",
                    },
                },
                # cz3's (patryk@hackerspace.pl) personal user
                cz3Waw3: kube.CephObjectStoreUser("cz3") {
                    metadata+: {
                        namespace: "ceph-waw3",
                    },
                    spec: {
                        store: "waw-hdd-redundant-3-object",
                        displayName: "cz3",
                    },
                },
            },
        },


        # These are policies allowing for Insecure pods in some namespaces.
        # A lot of them are spurious and come from the fact that we deployed
        # these namespaces before we deployed the draconian PodSecurityPolicy
        # we have now. This should be fixed by setting up some more granular
        # policies, or fixing the workloads to not need some of the permission
        # bits they use, whatever those might be.
        # TODO(q3k): fix this?
        unnecessarilyInsecureNamespaces: [
            policies.AllowNamespaceInsecure("ceph-waw2"),
            policies.AllowNamespaceInsecure("ceph-waw3"),
            policies.AllowNamespaceInsecure("matrix"),
            policies.AllowNamespaceInsecure("registry"),
            policies.AllowNamespaceInsecure("internet"),
            # TODO(implr): restricted policy with CAP_NET_ADMIN and tuntap, but no full root
            policies.AllowNamespaceInsecure("implr-vpn"),
        ],
    },
}