ganeti_web/views/tables.py

   1 from django.utils.safestring import mark_safe
   2
   3 from django_tables2 import (Table, Column, LinkColumn, TemplateColumn,
   4                             DateTimeColumn)
   5 from django_tables2.utils import A
   6
   7 from ganeti_web.templatetags.webmgr_tags import (render_storage, render_os,
   8                                                  abbreviate_fqdn,
   9                                                  format_job_op)
  10 from ganeti_web.utilities import hv_prettify
  11
  12
  13 class BaseTable(Table):
  14     def __init__(self, *args, **kwargs):
  15         kwargs['template'] = kwargs.get("template", "table.html")
  16         return super(BaseTable, self).__init__(*args, **kwargs)
  17
  18
  19 class BaseVMTable(BaseTable):
  20
  21     status = TemplateColumn(
  22         template_name="ganeti/virtual_machine/vmfield_status.html",
  23         attrs={"th": {"class": "status_indicator"}}
  24     )
  25     cluster = LinkColumn(
  26         "cluster-detail",
  27         args=[A("cluster.slug")],
  28         accessor="cluster.slug",
  29         verbose_name='cluster'
  30     )
  31     hostname = LinkColumn(
  32         "instance-detail",
  33         kwargs={"cluster_slug": A("cluster.slug"),
  34                 "instance": A("hostname")},
  35         verbose_name='name',
  36     )
  37     owner = Column()
  38     node = Column(verbose_name='node', accessor="primary_node")
  39     operating_system = Column(verbose_name='OS')
  40     ram = Column(verbose_name='RAM')
  41     disk_size = Column(verbose_name='disk space')
  42     virtual_cpus = Column(verbose_name='vCPUs')
  43
  44     class Meta:
  45         sequence = ("status", "hostname", "cluster", "...")
  46         order_by = ("hostname")
  47         empty_text = "No Virtual Machines"
  48
  49     def render_disk_size(self, value):
  50         return render_storage(value)
  51
  52     def render_ram(self, value):
  53         return render_storage(value)
  54
  55     def render_operating_system(self, value):
  56         return render_os(value)
  57
  58     def render_node(self, value):
  59         return abbreviate_fqdn(value)
  60
  61     def render_owner(self, value):
  62         url = value.get_absolute_url()
  63         url_str = '<a href="{}">{}</a>'
  64         return mark_safe(url_str.format(url, value))
  65
  66
  67 class VMTable(BaseVMTable):
  68     class Meta:
  69         sequence = ("status", "hostname", "cluster", "...")
  70         order_by = ("hostname")
  71         empty_text = "No Virtual Machines"
  72
  73
  74 class ClusterVMTable(BaseVMTable):
  75     class Meta:
  76         exclude = ("cluster",)
  77         order_by = ("hostname")
  78         empty_text = "This cluster has no Virtual Machines"
  79
  80
  81 class NodeVMTable(BaseVMTable):
  82     class Meta:
  83         exclude = ("cluster", "node")
  84         order_by = ("hostname")
  85         empty_text = ("This node has no Virtual Machines "
  86                       "assigned to it as this role.")
  87
  88
  89 class VMTemplateTable(BaseTable):
  90
  91     template_name = LinkColumn(
  92         "template-detail",
  93         args=[A("cluster.slug"), A("template_name")],
  94         verbose_name="name"
  95     )
  96     description = Column()
  97     cluster = LinkColumn(
  98         "cluster-detail",
  99         args=[A("cluster.slug")],
 100         accessor="cluster.slug",
 101         verbose_name="cluster"
 102     )
 103     os = Column(verbose_name='OS')
 104     memory = Column(verbose_name='RAM')
 105     disk_space = Column()
 106     vcpus = Column(verbose_name='vCPUs')
 107
 108     class Meta:
 109         sequence = ("template_name", "description", "cluster", "os", "memory",
 110                     "disk_space", "vcpus")
 111         order_by = ("template_name")
 112         empty_text = "No Templates"
 113
 114     def render_os(self, value):
 115         return render_os(value)
 116
 117     def render_memory(self, value):
 118         return render_storage(value)
 119
 120     def render_disk_space(self, value):
 121         return render_storage(value)
 122
 123
 124 class ClusterTable(BaseTable):
 125
 126     cluster = LinkColumn(
 127         "cluster-detail",
 128         args=[A("slug")],
 129         accessor="slug",
 130         verbose_name='cluster'
 131     )
 132     description = Column()
 133     version = Column(
 134         accessor="info.software_version",
 135         orderable=False,
 136         default="unknown"
 137     )
 138     hypervisor = Column(
 139         accessor="info.default_hypervisor",
 140         orderable=False,
 141         default="unknown"
 142     )
 143     master_node = LinkColumn(
 144         "node-detail",
 145         kwargs={"cluster_slug": A("slug"),
 146                 "host": A("info.master")},
 147         accessor="info.master",
 148         orderable=False,
 149         default="unknown"
 150     )
 151     nodes = Column(accessor="nodes.count", orderable=False)
 152     vms = Column(accessor="virtual_machines.count", verbose_name='VMs',
 153                  orderable=False)
 154
 155     class Meta:
 156         empty_text = "No Clusters"
 157         sequence = ("cluster", "description", "version", "hypervisor",
 158                     "master_node", "nodes", "vms")
 159         order_by = ("cluster")
 160
 161     def render_hypervisor(self, value):
 162         return hv_prettify(value)
 163
 164
 165 class JobTable(BaseTable):
 166     job_id = LinkColumn(
 167         'job-detail',
 168         args=[A("cluster.slug"), A("job_id")]
 169     )
 170     cluster = LinkColumn(
 171         "cluster-detail",
 172         args=[A("cluster.slug")],
 173         accessor="cluster.slug",
 174         verbose_name='cluster'
 175     )
 176     object = TemplateColumn(
 177         template_name="ganeti/overview/object_link.html",
 178         accessor="obj",
 179         orderable=False  # Cannot access generic fk to get obj name for sort
 180     )
 181     operation = Column(accessor="op", verbose_name="operation")
 182     # Extra space is because it doesn't like the word status for some reason.
 183     status = Column(verbose_name="status ")
 184     finished = DateTimeColumn()
 185
 186     class Meta:
 187         empty_text = "No jobs"
 188         order_by = ("job_id")
 189
 190     def render_operation(self, value):
 191         return format_job_op(value)
 192
 193
 194 class ClusterJobTable(JobTable):
 195
 196     class Meta:
 197         exclude = ("cluster",)
 198         empty_text = "No jobs available for this cluster"