ganeti_web/views/tables.py

   1 from django_tables2 import (Table, Column, LinkColumn, TemplateColumn,
   2                             DateTimeColumn)
   3 from django_tables2.utils import A
   4
   5 from ganeti_web.templatetags.webmgr_tags import (render_storage, render_os,
   6                                                  abbreviate_fqdn,
   7                                                  format_job_op)
   8 from ganeti_web.utilities import hv_prettify
   9
  10
  11 class BaseVMTable(Table):
  12
  13     status = TemplateColumn(
  14         template_name="ganeti/virtual_machine/vmfield_status.html",
  15         attrs={"th": {"class": "status_indicator"}}
  16     )
  17     cluster = LinkColumn(
  18         "cluster-detail",
  19         args=[A("cluster.slug")],
  20         accessor="cluster.slug",
  21         verbose_name='cluster'
  22     )
  23     hostname = LinkColumn(
  24         "instance-detail",
  25         kwargs={"cluster_slug": A("cluster.slug"),
  26                 "instance": A("hostname")},
  27         verbose_name='name',
  28     )
  29     owner = LinkColumn(
  30         "user-detail-name",
  31         args=[A("owner")],
  32     )
  33     node = Column(verbose_name='node', accessor="primary_node")
  34     operating_system = Column(verbose_name='OS')
  35     ram = Column(verbose_name='RAM')
  36     disk_size = Column(verbose_name='disk space')
  37     virtual_cpus = Column(verbose_name='vCPUs')
  38
  39     class Meta:
  40         sequence = ("status", "hostname", "cluster", "...")
  41         order_by = ("hostname")
  42         empty_text = "No Virtual Machines"
  43
  44     def __init__(self, *args, **kwargs):
  45         self.template = "table.html"
  46         return super(BaseVMTable, self).__init__(*args, **kwargs)
  47
  48     def render_disk_size(self, value):
  49         return render_storage(value)
  50
  51     def render_ram(self, value):
  52         return render_storage(value)
  53
  54     def render_operating_system(self, value):
  55         return render_os(value)
  56
  57     def render_node(self, value):
  58         return abbreviate_fqdn(value)
  59
  60
  61 class VMTable(BaseVMTable):
  62     class Meta:
  63         sequence = ("status", "hostname", "cluster", "...")
  64         order_by = ("hostname")
  65         empty_text = "No Virtual Machines"
  66
  67
  68 class ClusterVMTable(BaseVMTable):
  69     class Meta:
  70         exclude = ("cluster",)
  71         order_by = ("hostname")
  72         empty_text = "This cluster has no Virtual Machines"
  73
  74
  75 class NodeVMTable(BaseVMTable):
  76     class Meta:
  77         exclude = ("cluster", "node")
  78         order_by = ("hostname")
  79         empty_text = ("This node has no Virtual Machines "
  80                       "assigned to it as this role.")
  81
  82
  83 class VMTemplateTable(Table):
  84
  85     template_name = LinkColumn(
  86         "template-detail",
  87         args=[A("cluster.slug"), A("template_name")],
  88         verbose_name="name"
  89     )
  90     description = Column()
  91     cluster = LinkColumn(
  92         "cluster-detail",
  93         args=[A("cluster.slug")],
  94         accessor="cluster.slug",
  95         verbose_name="cluster"
  96     )
  97     os = Column(verbose_name='OS')
  98     memory = Column(verbose_name='RAM')
  99     disk_space = Column()
 100     vcpus = Column(verbose_name='vCPUs')
 101
 102     class Meta:
 103         sequence = ("template_name", "description", "cluster", "os", "memory",
 104                     "disk_space", "vcpus")
 105         order_by = ("template_name")
 106         empty_text = "No Templates"
 107
 108     def render_os(self, value):
 109         return render_os(value)
 110
 111     def render_memory(self, value):
 112         return render_storage(value)
 113
 114     def render_disk_space(self, value):
 115         return render_storage(value)
 116
 117
 118 class ClusterTable(Table):
 119
 120     cluster = LinkColumn(
 121         "cluster-detail",
 122         args=[A("slug")],
 123         accessor="slug",
 124         verbose_name='cluster'
 125     )
 126     description = Column()
 127     version = Column(
 128         accessor="info.software_version",
 129         orderable=False,
 130         default="unknown"
 131     )
 132     hypervisor = Column(
 133         accessor="info.default_hypervisor",
 134         orderable=False,
 135         default="unknown"
 136     )
 137     master_node = LinkColumn(
 138         "node-detail",
 139         kwargs={"cluster_slug": A("slug"),
 140                 "host": A("info.master")},
 141         accessor="info.master",
 142         orderable=False,
 143         default="unknown"
 144     )
 145     nodes = Column(accessor="nodes.count", orderable=False)
 146     vms = Column(accessor="virtual_machines.count", verbose_name='VMs',
 147                  orderable=False)
 148
 149     class Meta:
 150         empty_text = "No Clusters"
 151         sequence = ("cluster", "description", "version", "hypervisor",
 152                     "master_node", "nodes", "vms")
 153         order_by = ("cluster")
 154
 155     def render_hypervisor(self, value):
 156         return hv_prettify(value)
 157
 158
 159 class JobTable(Table):
 160     job_id = LinkColumn(
 161         'job-detail',
 162         args=[A("cluster.slug"), A("job_id")]
 163     )
 164     cluster = LinkColumn(
 165         "cluster-detail",
 166         args=[A("cluster.slug")],
 167         accessor="cluster.slug",
 168         verbose_name='cluster'
 169     )
 170     object = TemplateColumn(
 171         template_name="ganeti/overview/object_link.html",
 172         accessor="obj",
 173         orderable=False  # Cannot access generic fk to get obj name for sort
 174     )
 175     operation = Column(accessor="op", verbose_name="operation")
 176     # Extra space is because it doesn't like the word status for some reason.
 177     status = Column(verbose_name="status ")
 178     finished = DateTimeColumn()
 179
 180     class Meta:
 181         empty_text = "No jobs"
 182         order_by = ("job_id")
 183
 184     def render_operation(self, value):
 185         return format_job_op(value)
 186
 187
 188 class ClusterJobTable(JobTable):
 189
 190     class Meta:
 191         exclude = ("cluster",)
 192         empty_text = "No jobs available for this cluster"