Instance policy command line support

[ganeti-local] / lib / constants.py

diff --git a/lib/constants.py b/lib/constants.py
index 827db0a..27a993c 100644 (file)
--- a/lib/constants.py
+++ b/lib/constants.py
@@ -472,7 +472,25 @@ LDS_BLOCK = frozenset([LD_LV, LD_DRBD8, LD_BLOCKDEV])
 # drbd constants
 DRBD_HMAC_ALG = "md5"
 DRBD_NET_PROTOCOL = "C"
-DRBD_BARRIERS = _autoconf.DRBD_BARRIERS
+
+# drbd barrier types
+DRBD_B_NONE = "n"
+DRBD_B_DISK_BARRIERS = "b"
+DRBD_B_DISK_DRAIN = "d"
+DRBD_B_DISK_FLUSH = "f"
+
+# Valid barrier combinations: "n" or any non-null subset of "bfd"
+DRBD_VALID_BARRIER_OPT = frozenset([
+  frozenset([DRBD_B_NONE]),
+  frozenset([DRBD_B_DISK_BARRIERS]),
+  frozenset([DRBD_B_DISK_DRAIN]),
+  frozenset([DRBD_B_DISK_FLUSH]),
+  frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
+  frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
+  frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_DRAIN]),
+  frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH]),
+  frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH, DRBD_B_DISK_DRAIN]),
+  ])
 
 # file backend driver
 FD_LOOP = "loop"
@@ -597,7 +615,7 @@ MAX_TAGS_PER_OBJ = 4096
 
 # others
 DEFAULT_BRIDGE = "xen-br0"
-SYNC_SPEED = 60 * 1024
+CLASSIC_DRBD_SYNC_SPEED = 60 * 1024  # 60 MiB, expressed in KiB
 IP4_ADDRESS_LOCALHOST = "127.0.0.1"
 IP4_ADDRESS_ANY = "0.0.0.0"
 IP6_ADDRESS_LOCALHOST = "::1"
@@ -611,7 +629,6 @@ DEFAULT_VG = "xenvg"
 DEFAULT_DRBD_HELPER = "/bin/true"
 MIN_VG_SIZE = 20480
 DEFAULT_MAC_PREFIX = "aa:00:00"
-LVM_STRIPECOUNT = _autoconf.LVM_STRIPECOUNT
 # default maximum instance wait time, in seconds.
 DEFAULT_SHUTDOWN_TIMEOUT = 120
 NODE_MAX_CLOCK_SKEW = 150
@@ -843,6 +860,14 @@ HVST_MEMORY_HV = "mem_hv"
 HVST_CPU_TOTAL = "cpu_total"
 HVST_CPU_NODE = "cpu_node"
 
+HVST_DEFAULTS = {
+  HVST_MEMORY_TOTAL: 0,
+  HVST_MEMORY_NODE: 0,
+  HVST_MEMORY_HV: 0,
+  HVST_CPU_TOTAL: 1,
+  HVST_CPU_NODE: 1,
+  }
+
 HVSTS_PARAMETER_TYPES = {
   HVST_MEMORY_TOTAL: VTYPE_INT,
   HVST_MEMORY_NODE: VTYPE_INT,
@@ -858,6 +883,12 @@ DS_DISK_TOTAL = "disk_total"
 DS_DISK_RESERVED = "disk_reserved"
 DS_DISK_OVERHEAD = "disk_overhead"
 
+DS_DEFAULTS = {
+  DS_DISK_TOTAL: 0,
+  DS_DISK_RESERVED: 0,
+  DS_DISK_OVERHEAD: 0,
+  }
+
 DSS_PARAMETER_TYPES = {
   DS_DISK_TOTAL: VTYPE_INT,
   DS_DISK_RESERVED: VTYPE_INT,
@@ -865,6 +896,7 @@ DSS_PARAMETER_TYPES = {
   }
 
 DSS_PARAMETERS = frozenset(DSS_PARAMETER_TYPES.keys())
+DS_VALID_TYPES = frozenset([LD_LV])
 
 # Backend parameter names
 BE_MEMORY = "memory" # deprecated and replaced by max and min mem
@@ -872,12 +904,14 @@ BE_MAXMEM = "maxmem"
 BE_MINMEM = "minmem"
 BE_VCPUS = "vcpus"
 BE_AUTO_BALANCE = "auto_balance"
+BE_ALWAYS_FAILOVER = "always_failover"
 
 BES_PARAMETER_TYPES = {
   BE_MAXMEM: VTYPE_SIZE,
   BE_MINMEM: VTYPE_SIZE,
   BE_VCPUS: VTYPE_INT,
   BE_AUTO_BALANCE: VTYPE_BOOL,
+  BE_ALWAYS_FAILOVER: VTYPE_BOOL,
   }
 
 BES_PARAMETER_COMPAT = {
@@ -887,6 +921,33 @@ BES_PARAMETER_COMPAT.update(BES_PARAMETER_TYPES)
 
 BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
 
+# instance specs
+MEM_SIZE_SPEC = "memory-size"
+CPU_COUNT_SPEC = "cpu-count"
+DISK_COUNT_SPEC = "disk-count"
+DISK_SIZE_SPEC = "disk-size"
+NIC_COUNT_SPEC = "nic-count"
+
+ISPECS_PARAMETER_TYPES = {
+  MEM_SIZE_SPEC: VTYPE_INT,
+  CPU_COUNT_SPEC: VTYPE_INT,
+  DISK_COUNT_SPEC: VTYPE_INT,
+  DISK_SIZE_SPEC: VTYPE_INT,
+  NIC_COUNT_SPEC: VTYPE_INT,
+  }
+
+ISPECS_PARAMETERS = frozenset(ISPECS_PARAMETER_TYPES.keys())
+
+MIN_ISPECS = "min"
+MAX_ISPECS = "max"
+STD_ISPECS = "std"
+
+IPOLICY_PARAMETERS = frozenset([
+  MIN_ISPECS,
+  MAX_ISPECS,
+  STD_ISPECS
+  ])
+
 # Node parameter names
 ND_OOB_PROGRAM = "oob_program"
 
@@ -897,12 +958,44 @@ NDS_PARAMETER_TYPES = {
 NDS_PARAMETERS = frozenset(NDS_PARAMETER_TYPES.keys())
 
 # Logical Disks parameters
+LDP_RESYNC_RATE = "resync-rate"
+LDP_STRIPES = "stripes"
+LDP_BARRIERS = "disabled-barriers"
+LDP_NO_META_FLUSH = "disable-meta-flush"
+LDP_DEFAULT_METAVG = "default-metavg"
+LDP_DISK_CUSTOM = "disk-custom"
+LDP_NET_CUSTOM = "net-custom"
 DISK_LD_TYPES = {
+  LDP_RESYNC_RATE: VTYPE_INT,
+  LDP_STRIPES: VTYPE_INT,
+  LDP_BARRIERS: VTYPE_STRING,
+  LDP_NO_META_FLUSH: VTYPE_BOOL,
+  LDP_DEFAULT_METAVG: VTYPE_STRING,
+  LDP_DISK_CUSTOM: VTYPE_STRING,
+  LDP_NET_CUSTOM: VTYPE_STRING,
   }
 DISK_LD_PARAMETERS = frozenset(DISK_LD_TYPES.keys())
 
 # Disk template parameters
+DRBD_RESYNC_RATE = "resync-rate"
+DRBD_DATA_STRIPES = "data-stripes"
+DRBD_META_STRIPES = "meta-stripes"
+DRBD_DISK_BARRIERS = "disk-barriers"
+DRBD_META_BARRIERS = "meta-barriers"
+DRBD_DEFAULT_METAVG = "metavg"
+DRBD_DISK_CUSTOM = "disk-custom"
+DRBD_NET_CUSTOM = "net-custom"
+LV_STRIPES = "stripes"
 DISK_DT_TYPES = {
+  DRBD_RESYNC_RATE: VTYPE_INT,
+  DRBD_DATA_STRIPES: VTYPE_INT,
+  DRBD_META_STRIPES: VTYPE_INT,
+  DRBD_DISK_BARRIERS: VTYPE_STRING,
+  DRBD_META_BARRIERS: VTYPE_BOOL,
+  DRBD_DEFAULT_METAVG: VTYPE_STRING,
+  DRBD_DISK_CUSTOM: VTYPE_STRING,
+  DRBD_NET_CUSTOM: VTYPE_STRING,
+  LV_STRIPES: VTYPE_INT,
   }
 
 DISK_DT_PARAMETERS = frozenset(DISK_DT_TYPES.keys())
@@ -1663,6 +1756,7 @@ BEC_DEFAULTS = {
   BE_MAXMEM: 128,
   BE_VCPUS: 1,
   BE_AUTO_BALANCE: True,
+  BE_ALWAYS_FAILOVER: False,
   }
 
 NDC_DEFAULTS = {
@@ -1671,8 +1765,15 @@ NDC_DEFAULTS = {
 
 DISK_LD_DEFAULTS = {
   LD_DRBD8: {
+    LDP_RESYNC_RATE: CLASSIC_DRBD_SYNC_SPEED,
+    LDP_BARRIERS: _autoconf.DRBD_BARRIERS,
+    LDP_NO_META_FLUSH: _autoconf.DRBD_NO_META_FLUSH,
+    LDP_DEFAULT_METAVG: DEFAULT_VG,
+    LDP_DISK_CUSTOM: "",
+    LDP_NET_CUSTOM: "",
     },
   LD_LV: {
+    LDP_STRIPES: _autoconf.LVM_STRIPECOUNT
     },
   LD_FILE: {
     },
@@ -1682,8 +1783,17 @@ DISK_LD_DEFAULTS = {
 
 DISK_DT_DEFAULTS = {
   DT_PLAIN: {
+    LV_STRIPES: DISK_LD_DEFAULTS[LD_LV][LDP_STRIPES],
     },
   DT_DRBD8: {
+    DRBD_RESYNC_RATE: DISK_LD_DEFAULTS[LD_DRBD8][LDP_RESYNC_RATE],
+    DRBD_DATA_STRIPES: DISK_LD_DEFAULTS[LD_LV][LDP_STRIPES],
+    DRBD_META_STRIPES: DISK_LD_DEFAULTS[LD_LV][LDP_STRIPES],
+    DRBD_DISK_BARRIERS: DISK_LD_DEFAULTS[LD_DRBD8][LDP_BARRIERS],
+    DRBD_META_BARRIERS: DISK_LD_DEFAULTS[LD_DRBD8][LDP_NO_META_FLUSH],
+    DRBD_DEFAULT_METAVG: DISK_LD_DEFAULTS[LD_DRBD8][LDP_DEFAULT_METAVG],
+    DRBD_DISK_CUSTOM: DISK_LD_DEFAULTS[LD_DRBD8][LDP_DISK_CUSTOM],
+    DRBD_NET_CUSTOM: DISK_LD_DEFAULTS[LD_DRBD8][LDP_NET_CUSTOM],
     },
   DT_DISKLESS: {
     },
@@ -1700,6 +1810,30 @@ NICC_DEFAULTS = {
   NIC_LINK: DEFAULT_BRIDGE,
   }
 
+IPOLICY_DEFAULTS = {
+  MIN_ISPECS: {
+    MEM_SIZE_SPEC: 128,
+    CPU_COUNT_SPEC: 1,
+    DISK_COUNT_SPEC: 1,
+    DISK_SIZE_SPEC: 1024,
+    NIC_COUNT_SPEC: 1,
+    },
+  MAX_ISPECS: {
+    MEM_SIZE_SPEC: 128,
+    CPU_COUNT_SPEC: 1,
+    DISK_COUNT_SPEC: 1,
+    DISK_SIZE_SPEC: 1024,
+    NIC_COUNT_SPEC: 1,
+    },
+  STD_ISPECS: {
+    MEM_SIZE_SPEC: 128,
+    CPU_COUNT_SPEC: 1,
+    DISK_COUNT_SPEC: 1,
+    DISK_SIZE_SPEC: 1024,
+    NIC_COUNT_SPEC: 1,
+    }
+  }
+
 MASTER_POOL_SIZE_DEFAULT = 10
 
 CONFD_PROTOCOL_VERSION = 1