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