consul/ui/packages/consul-ui/app/templates/application.hbs

<Route
  @name={{routeName}}
as |route|>

{{! Add the a11y route announcer }}
<route.Announcer
  @title="Consul"
/>
{{! Tell CSS what we have enabled }}
{{#if (can "use acls")}}
  {{document-attrs class="has-acls"}}
{{/if}}
{{#if (can "use nspaces")}}
  {{document-attrs class="has-nspaces"}}
{{/if}}
{{#if (can "use partitions")}}
  {{document-attrs class="has-partitions"}}
{{/if}}

{{! Listen out for blocking query/client setting changes }}
<DataSource
  @src={{uri 'settings://consul:client'}}
  @onchange={{route-action "onClientChanged"}}
/>

{{! Tell CSS about our theme }}
<DataSource
  @src={{uri 'settings://consul:theme'}}
as |source|>
{{#each-in source.data as |key value|}}
  {{#if (and value (contains key (array "color-scheme" "contrast")))}}
    {{document-attrs class=(concat 'prefers-' key '-' value)}}
  {{/if}}
{{/each-in}}
</DataSource>

{{! If ACLs are enabled try get a token }}
{{#if (can "use acls")}}
<DataSource
  @src={{uri 'settings://consul:token'}}
  @onchange={{action (mut token) value="data"}}
/>
{{/if}}


{{#if (not-eq route.currentName 'oauth-provider-debug')}}

{{! redirect if we aren't on a URL with dc information }}
{{#if (eq route.currentName 'index')}}
{{! until we get to the dc route we don't know any permissions }}
{{! as we don't know the dc, any inital permission based }}
{{! redirects are in the dc.show route}}
  {{did-insert (route-action 'replaceWith' 'dc.show'
    (hash
      dc=(env 'CONSUL_DATACENTER_LOCAL')
    )
  )}}
{{else}}
{{! If we are notfound, guess the params we need }}
{{#if (eq route.currentName 'notfound')}}
  <DataSource
    @src={{uri '/*/*/*/notfound/${path}'
      (hash
        path=route.params.notfound
      )
    }}
    @onchange={{action (mut notfound) value="data"}}
  />
{{/if}}

{{! Make sure we guess and default to the right params when not found }}
{{#let
  (if (can "use partitions") (or route.params.partition notfound.partition token.Partition '') '')
  (if (can "use nspaces") (or route.params.nspace notfound.nspace token.Namespace '') '')
as |partition nspace|}}

{{! Make sure we have enough to show the app chrome}}
{{! Don't show anything until we have a list of DCs }}
<DataSource
  @src={{uri '/*/*/*/datacenters'}}
as |dcs|>
{{! Once we have a list of DCs make sure the DC we are asking for exists }}
{{! If not use the DC that the UI is running in }}
{{#let

  (or

    (if nofound.dc
        (object-at 0 (cached-model
          'dc'
          (hash
            Name=notfound.dc
          )
        )
      )
    )

    (object-at 0 (cached-model
        'dc'
        (hash
          Name=route.params.dc
        )
      )
    )

    (hash
      Name=(env "CONSUL_DATACENTER_LOCAL")
    )

  )

  dcs.data

as |dc dcs|}}
  {{#if (and (gt dc.Name.length 0) dcs)}}

    {{! figure out our current DC and convert it to a model }}
    <DataSource
      @src={{uri '/${partition}/*/${dc}/datacenter-cache/${name}'
        (hash
          dc=dc.Name
          partition=partition
          name=dc.Name
        )
      }}
    as |dc|>
    {{#if dc.data}}
      <HashicorpConsul
        id="wrapper"
        @dcs={{dcs}}
        @dc={{dc.data}}
        @partition={{partition}}
        @nspace={{nspace}}
        @user={{hash
          token=token
        }}
        @onchange={{action "reauthorize"}}
      as |consul|>

{{#if error}}
        {{! If we got an error from anything, show an error page }}
        <AppError
          @error={{error}}
          @login={{consul.login.open}}
        />
{{else}}
        {{! Otherwise show the rest of the app}}
        <Outlet
          @name="application"
          @model={{hash
            app=consul
            user=(hash
              token=token
            )
            dc=dc.data
            dcs=dcs
          }}
        as |o|>
          {{outlet}}
        </Outlet>

        {{! loading component for when we need it}}
        <Consul::Loader
          class="view-loader"
        />
{{/if}}

      </HashicorpConsul>
{{/if}}
    </DataSource>
  {{/if}}
{{/let}}
</DataSource>
{{/let}}
{{/if}}
{{else}}
  {{! Routes with no main navigation }}
  <Outlet
    @name="application"
    @model={{hash
      user=(hash
        token=token
      )
    }}
  as |o|>
    {{outlet}}
  </Outlet>
{{/if}}
</Route>