open-consul/ui/packages/consul-ui/app/templates/dc/services/show.hbs

<Route
  @name={{routeName}}
as |route|>
    <DataLoader
    @src={{uri '/${partition}/${nspace}/${dc}/service-instances/for-service/${name}/${peer}'
        (hash
          partition=route.params.partition
          nspace=route.params.nspace
          dc=route.params.dc
          name=route.params.name
          peer=route.params.peer
        )
      }}
    as |loader|>

      <BlockSlot @name="error">
        <AppError
          @error={{loader.error}}
          @login={{route.model.app.login.open}}
        />
      </BlockSlot>

      <BlockSlot @name="disconnected" as |after|>
        {{#if (eq loader.error.status "404")}}
          <Notice
            {{notification
              sticky=true
            }}
            class="notification-update"
            @type="warning"
          as |notice|>
            <notice.Header>
              <strong>Warning!</strong>
            </notice.Header>
            <notice.Body>
              <p>
                This service has been deregistered and no longer exists in the catalog.
              </p>
            </notice.Body>
          </Notice>
        {{else if (eq loader.error.status "403")}}
          <Notice
            {{notification
              sticky=true
            }}
            class="notification-update"
            @type="error"
          as |notice|>
            <notice.Header>
              <strong>Error!</strong>
            </notice.Header>
            <notice.Body>
              <p>
                You no longer have access to this service
              </p>
            </notice.Body>
          </Notice>
        {{else}}
          <Notice
            {{notification
              sticky=true
            }}
            class="notification-update"
            @type="warning"
          as |notice|>
            <notice.Header>
              <strong>Warning!</strong>
            </notice.Header>
            <notice.Body>
              <p>
                An error was returned whilst loading this data, refresh to try again.
              </p>
            </notice.Body>
          </Notice>
        {{/if}}
      </BlockSlot>

      <BlockSlot @name="loaded">
{{#let
  loader.data
  loader.data.firstObject
  route.model.dc
as |items item dc|}}

    {{#if item.IsOrigin}}
      <DataSource
        @src={{uri '/${partition}/${nspace}/${dc}/proxies/for-service/${name}'
          (hash
            partition=route.params.partition
            nspace=route.params.nspace
            dc=route.params.dc
            name=route.params.name
          )
        }}
        @onchange={{action (mut proxies) value="data"}}
      />
        {{! currently we use the discovery chain endpoint to understand whether }}
        {{! connect is enabled/disabled. We get a 500 error when its disabled }}
        {{! and use this to set MeshEnabled on the Datacenter }}
        {{! if once chain is set, i.e. we've checked this dc we remove the DataSource }}
        {{! which will mark it for closure, which possibly could be reopened if }}
        {{! the user clicks the routing/disco-chain tab}}
        {{#if (not chain)}}
          <DataSource
            @src={{uri '/${partition}/${nspace}/${dc}/discovery-chain/${name}'
              (hash
                partition=route.params.partition
                nspace=route.params.nspace
                dc=route.params.dc
                name=route.params.name
              )
            }}
            @onchange={{action (mut chain) value="data"}}
          />
        {{/if}}
        {{did-insert (set this 'chain' undefined) route.params.dc}}
      {{/if}}
  {{#let
  (hash
      topology=(and dc.MeshEnabled item.IsMeshOrigin (or (gt proxies.length 0) (eq item.Service.Kind 'ingress-gateway')))
      services=(eq item.Service.Kind 'terminating-gateway')
      upstreams=(eq item.Service.Kind 'ingress-gateway')
      instances=true
      intentions=(and (not-eq item.Service.Kind 'terminating-gateway') (can 'read intention for service' item=item.Service))
      routing=(and dc.MeshEnabled item.IsOrigin)
      tags=true
  )
  as |tabs|}}
        <AppView>
          <BlockSlot @name="notification" as |status type item error|>
            <TopologyMetrics::Notifications
              @type={{type}}
              @status={{status}}
              @error={{error}}
            />
          </BlockSlot>
          <BlockSlot @name="breadcrumbs">
            <ol>
              <li><a data-test-back href={{href-to 'dc.services' params=(hash peer=undefined)}}>All Services</a></li>
            </ol>
          </BlockSlot>
          <BlockSlot @name="header">
              <h1>
                <route.Title @title={{item.Service.Service}} />
              </h1>
              <Consul::ExternalSource @item={{item.Service}} @withInfo={{true}} />
              <Consul::Kind @item={{item.Service}} @withInfo={{true}} />
              <Consul::Service::PeerInfo @service={{item.Service}} />
          </BlockSlot>
          <BlockSlot @name="nav">
            {{#if (not-eq item.Service.Kind 'mesh-gateway')}}
              <TabNav @items={{
                compact
                  (array
                    (if tabs.topology
                      (hash label="Topology" href=(href-to "dc.services.show.topology") selected=(is-href "dc.services.show.topology"))
                    '')
                    (if tabs.services
                      (hash label="Linked Services" href=(href-to "dc.services.show.services") selected=(is-href "dc.services.show.services"))
                    '')
                    (if tabs.upstreams
                      (hash label="Upstreams" href=(href-to "dc.services.show.upstreams") selected=(is-href "dc.services.show.upstreams"))
                    '')
                    (if tabs.instances
                      (hash label="Instances" href=(href-to "dc.services.show.instances") selected=(is-href "dc.services.show.instances"))
                    '')
                    (if tabs.intentions
                      (hash label="Intentions" href=(href-to "dc.services.show.intentions") selected=(is-href "dc.services.show.intentions"))
                    '')
                    (if tabs.routing
                      (hash label="Routing" href=(href-to "dc.services.show.routing") selected=(is-href "dc.services.show.routing"))
                    '')
                    (if tabs.tags
                      (hash label="Tags" href=(href-to "dc.services.show.tags") selected=(is-href "dc.services.show.tags"))
                    '')
                  )
              }}/>
            {{/if}}
          </BlockSlot>
          <BlockSlot @name="actions">
            <DataSource
                @src={{uri '/${partition}/${nspace}/${dc}/ui-config'
                (hash
                  partition=route.params.partition
                  nspace=route.params.nspace
                  dc=route.params.dc
                )
              }}
            as |config|>
            {{#if config.data.dashboard_url_templates.service}}
              <Action
                @href={{render-template config.data.dashboard_url_templates.service
                  (hash
                    Datacenter=dc.Name
                    Service=(hash
                      Name=item.Service.Service
                      Namespace=(or item.Service.Namespace '')
                      Partition=(or item.Service.Partition '')
                    )
                  )
                }}
                @external={{true}}
                class="external-dashboard"
                data-test-dashboard-anchor
              >
                Open dashboard
              </Action>
            {{/if}}
            </DataSource>
          </BlockSlot>
          <BlockSlot @name="content">
          {{! if its not an origin service we don't care as to whether connect }}
          {{! is enabled or not (we figure that out using the chain var) }}
          {{#if (or (not item.IsOrigin) chain)}}
            <Outlet
              @name={{routeName}}
              @model={{assign (hash
                items=items
                proxies=proxies
                item=item
                tabs=tabs
              ) route.model}}
            as |o|>
              {{outlet}}
            </Outlet>
          {{/if}}
          </BlockSlot>
        </AppView>
  {{/let}}
{{/let}}
      </BlockSlot>
    </DataLoader>
</Route>