Merge branch '50111-improve-design-of-cluster-apps-to-handle-larger-quantity' into 'master'

Improve cluster apps installation flow

Closes #50111

See merge request gitlab-org/gitlab-ce!21567

14 files changed, 385 insertions, 266 deletions

diff --git a/app/assets/images/cluster_app_logos/elasticsearch.png b/app/assets/images/cluster_app_logos/elasticsearch.png
new file mode 100644
index 00000000000..96e9e0ff934
--- /dev/null
+++ b/app/assets/images/cluster_app_logos/elasticsearch.png
diff --git a/app/assets/images/cluster_app_logos/gitlab.png b/app/assets/images/cluster_app_logos/gitlab.png
new file mode 100644
index 00000000000..cb2195fc6a2
--- /dev/null
+++ b/app/assets/images/cluster_app_logos/gitlab.png
diff --git a/app/assets/images/cluster_app_logos/helm.png b/app/assets/images/cluster_app_logos/helm.png
new file mode 100644
index 00000000000..2989cae7b93
--- /dev/null
+++ b/app/assets/images/cluster_app_logos/helm.png
diff --git a/app/assets/images/cluster_app_logos/jeager.png b/app/assets/images/cluster_app_logos/jeager.png
new file mode 100644
index 00000000000..be5bf2a0c9c
--- /dev/null
+++ b/app/assets/images/cluster_app_logos/jeager.png
diff --git a/app/assets/images/cluster_app_logos/jupyterhub.png b/app/assets/images/cluster_app_logos/jupyterhub.png
new file mode 100644
index 00000000000..80c7343067f
--- /dev/null
+++ b/app/assets/images/cluster_app_logos/jupyterhub.png
diff --git a/app/assets/images/cluster_app_logos/kubernetes.png b/app/assets/images/cluster_app_logos/kubernetes.png
new file mode 100644
index 00000000000..4d774909c10
--- /dev/null
+++ b/app/assets/images/cluster_app_logos/kubernetes.png
diff --git a/app/assets/images/cluster_app_logos/meltano.png b/app/assets/images/cluster_app_logos/meltano.png
new file mode 100644
index 00000000000..7a2d82fbe27
--- /dev/null
+++ b/app/assets/images/cluster_app_logos/meltano.png
diff --git a/app/assets/images/cluster_app_logos/prometheus.png b/app/assets/images/cluster_app_logos/prometheus.png
new file mode 100644
index 00000000000..a8663449b88
--- /dev/null
+++ b/app/assets/images/cluster_app_logos/prometheus.png
diff --git a/app/assets/javascripts/clusters/components/application_row.vue b/app/assets/javascripts/clusters/components/application_row.vue
index 651f3b50236..0452729d3ff 100644
--- a/app/assets/javascripts/clusters/components/application_row.vue
+++ b/app/assets/javascripts/clusters/components/application_row.vue
@@ -2,6 +2,7 @@
   /* eslint-disable vue/require-default-prop */
   import { s__, sprintf } from '../../locale';
   import eventHub from '../event_hub';
+  import identicon from '../../vue_shared/components/identicon.vue';
   import loadingButton from '../../vue_shared/components/loading_button.vue';
   import {
     APPLICATION_STATUS,
@@ -13,6 +14,7 @@
   export default {
     components: {
       loadingButton,
+      identicon,
     },
     props: {
       id: {
@@ -31,6 +33,16 @@
         type: String,
         required: false,
       },
+      logoUrl: {
+        type: String,
+        required: false,
+        default: null,
+      },
+      disabled: {
+        type: Boolean,
+        required: false,
+        default: false,
+      },
       status: {
         type: String,
         required: false,
@@ -60,6 +72,18 @@
       isKnownStatus() {
         return Object.values(APPLICATION_STATUS).includes(this.status);
       },
+      isInstalled() {
+        return (
+          this.status === APPLICATION_STATUS.INSTALLED || this.status === APPLICATION_STATUS.UPDATED
+        );
+      },
+      hasLogo() {
+        return !!this.logoUrl;
+      },
+      identiconId() {
+        // generate a deterministic integer id for the identicon background
+        return this.id.charCodeAt(0);
+      },
       rowJsClass() {
         return `js-cluster-application-row-${this.id}`;
       },
@@ -128,37 +152,81 @@
 
 <template>
   <div
-    :class="rowJsClass"
-    class="gl-responsive-table-row gl-responsive-table-row-col-span"
+    :class="[
+      rowJsClass,
+      isInstalled && 'cluster-application-installed',
+      disabled && 'cluster-application-disabled'
+    ]"
+    class="cluster-application-row gl-responsive-table-row gl-responsive-table-row-col-span"
   >
     <div
       class="gl-responsive-table-row-layout"
       role="row"
     >
-      <a
-        v-if="titleLink"
-        :href="titleLink"
-        target="blank"
-        rel="noopener noreferrer"
+      <div
+        class="table-section append-right-8 section-align-top"
         role="gridcell"
-        class="table-section section-15 section-align-top js-cluster-application-title"
       >
-        {{ title }}
-      </a>
-      <span
-        v-else
-        class="table-section section-15 section-align-top js-cluster-application-title"
-      >
-        {{ title }}
-      </span>
+        <img
+          v-if="hasLogo"
+          :src="logoUrl"
+          :alt="`${title} logo`"
+          class="cluster-application-logo avatar s40"
+        />
+        <identicon
+          v-else
+          :entity-id="identiconId"
+          :entity-name="title"
+          size-class="s40"
+        />
+      </div>
       <div
-        class="table-section section-wrap"
+        class="table-section cluster-application-description section-wrap"
         role="gridcell"
       >
+        <strong>
+          <a
+            v-if="titleLink"
+            :href="titleLink"
+            target="blank"
+            rel="noopener noreferrer"
+            class="js-cluster-application-title"
+          >
+            {{ title }}
+          </a>
+          <span
+            v-else
+            class="js-cluster-application-title"
+          >
+            {{ title }}
+          </span>
+        </strong>
         <slot name="description"></slot>
+        <div
+          v-if="hasError || isUnknownStatus"
+          class="cluster-application-error text-danger prepend-top-10"
+        >
+          <p class="js-cluster-application-general-error-message append-bottom-0">
+            {{ generalErrorDescription }}
+          </p>
+          <ul v-if="statusReason || requestReason">
+            <li
+              v-if="statusReason"
+              class="js-cluster-application-status-error-message"
+            >
+              {{ statusReason }}
+            </li>
+            <li
+              v-if="requestReason"
+              class="js-cluster-application-request-error-message"
+            >
+              {{ requestReason }}
+            </li>
+          </ul>
+        </div>
       </div>
       <div
-        :class="{ 'section-20': showManageButton, 'section-15': !showManageButton }"
+        :class="{ 'section-25': showManageButton, 'section-15': !showManageButton }"
         class="table-section table-button-footer section-align-top"
         role="gridcell"
       >
@@ -168,6 +236,7 @@
         >
           <a
             :href="manageLink"
+            :class="{ disabled: disabled }"
             class="btn"
           >
             {{ manageButtonLabel }}
@@ -176,7 +245,7 @@
         <div class="btn-group table-action-buttons">
           <loading-button
             :loading="installButtonLoading"
-            :disabled="installButtonDisabled"
+            :disabled="disabled || installButtonDisabled"
             :label="installButtonLabel"
             class="js-cluster-application-install-button"
             @click="installClicked"
@@ -184,35 +253,5 @@
         </div>
       </div>
     </div>
-    <div
-      v-if="hasError || isUnknownStatus"
-      class="gl-responsive-table-row-layout"
-      role="row"
-    >
-      <div
-        class="alert alert-danger alert-block append-bottom-0 clusters-error-alert"
-        role="gridcell"
-      >
-        <div>
-          <p class="js-cluster-application-general-error-message">
-            {{ generalErrorDescription }}
-          </p>
-          <ul v-if="statusReason || requestReason">
-            <li
-              v-if="statusReason"
-              class="js-cluster-application-status-error-message"
-            >
-              {{ statusReason }}
-            </li>
-            <li
-              v-if="requestReason"
-              class="js-cluster-application-request-error-message"
-            >
-              {{ requestReason }}
-            </li>
-          </ul>
-        </div>
-      </div>
-    </div>
   </div>
 </template>
diff --git a/app/assets/javascripts/clusters/components/applications.vue b/app/assets/javascripts/clusters/components/applications.vue
index d708a9e595a..a1069985178 100644
--- a/app/assets/javascripts/clusters/components/applications.vue
+++ b/app/assets/javascripts/clusters/components/applications.vue
@@ -1,5 +1,14 @@
 <script>
 import _ from 'underscore';
+import helmInstallIllustration from '@gitlab-org/gitlab-svgs/illustrations/kubernetes-installation.svg';
+import elasticsearchLogo from 'images/cluster_app_logos/elasticsearch.png';
+import gitlabLogo from 'images/cluster_app_logos/gitlab.png';
+import helmLogo from 'images/cluster_app_logos/helm.png';
+import jeagerLogo from 'images/cluster_app_logos/jeager.png';
+import jupyterhubLogo from 'images/cluster_app_logos/jupyterhub.png';
+import kubernetesLogo from 'images/cluster_app_logos/kubernetes.png';
+import meltanoLogo from 'images/cluster_app_logos/meltano.png';
+import prometheusLogo from 'images/cluster_app_logos/prometheus.png';
 import { s__, sprintf } from '../../locale';
 import applicationRow from './application_row.vue';
 import clipboardButton from '../../vue_shared/components/clipboard_button.vue';
@@ -37,21 +46,21 @@ export default {
       default: '',
     },
   },
+  data: () => ({
+    elasticsearchLogo,
+    gitlabLogo,
+    helmLogo,
+    jeagerLogo,
+    jupyterhubLogo,
+    kubernetesLogo,
+    meltanoLogo,
+    prometheusLogo,
+  }),
   computed: {
-    generalApplicationDescription() {
-      return sprintf(
-        _.escape(
-          s__(
-            `ClusterIntegration|Install applications on your Kubernetes cluster.
-            Read more about %{helpLink}`,
-          ),
-        ),
-        {
-          helpLink: `<a href="${this.helpPath}">
-              ${_.escape(s__('ClusterIntegration|installing applications'))}
-            </a>`,
-        },
-        false,
+    helmInstalled() {
+      return (
+        this.applications.helm.status === APPLICATION_STATUS.INSTALLED ||
+        this.applications.helm.status === APPLICATION_STATUS.UPDATED
       );
     },
     ingressId() {
@@ -128,224 +137,240 @@ export default {
       return this.applications.jupyter.hostname;
     },
   },
+  created() {
+    this.helmInstallIllustration = helmInstallIllustration;
+  },
 };
 </script>
 
 <template>
-  <section
-    id="cluster-applications"
-    class="settings no-animate expanded"
-  >
-    <div class="settings-header">
-      <h4>
-        {{ s__('ClusterIntegration|Applications') }}
-      </h4>
-      <p
-        class="append-bottom-0"
-        v-html="generalApplicationDescription"
-      >
-      </p>
-    </div>
+  <section id="cluster-applications">
+    <h4>
+      {{ s__('ClusterIntegration|Applications') }}
+    </h4>
+    <p class="append-bottom-0">
+      {{ s__(`ClusterIntegration|Choose which applications to install on your Kubernetes cluster.
+        Helm Tiller is required to install any of the following applications.`) }}
+      <a :href="helpPath">
+        {{ __('More information') }}
+      </a>
+    </p>
 
-    <div class="settings-content">
-      <div class="append-bottom-20">
-        <application-row
-          id="helm"
-          :title="applications.helm.title"
-          :status="applications.helm.status"
-          :status-reason="applications.helm.statusReason"
-          :request-status="applications.helm.requestStatus"
-          :request-reason="applications.helm.requestReason"
-          title-link="https://docs.helm.sh/"
-        >
-          <div slot="description">
-            {{ s__(`ClusterIntegration|Helm streamlines installing
-              and managing Kubernetes applications.
-              Tiller runs inside of your Kubernetes Cluster,
-              and manages releases of your charts.`) }}
-          </div>
-        </application-row>
-        <application-row
-          :id="ingressId"
-          :title="applications.ingress.title"
-          :status="applications.ingress.status"
-          :status-reason="applications.ingress.statusReason"
-          :request-status="applications.ingress.requestStatus"
-          :request-reason="applications.ingress.requestReason"
-          title-link="https://kubernetes.io/docs/concepts/services-networking/ingress/"
+    <div class="cluster-application-list prepend-top-10">
+      <application-row
+        id="helm"
+        :logo-url="helmLogo"
+        :title="applications.helm.title"
+        :status="applications.helm.status"
+        :status-reason="applications.helm.statusReason"
+        :request-status="applications.helm.requestStatus"
+        :request-reason="applications.helm.requestReason"
+        class="rounded-top"
+        title-link="https://docs.helm.sh/"
+      >
+        <div slot="description">
+          {{ s__(`ClusterIntegration|Helm streamlines installing
+            and managing Kubernetes applications.
+            Tiller runs inside of your Kubernetes Cluster,
+            and manages releases of your charts.`) }}
+        </div>
+      </application-row>
+      <div
+        v-show="!helmInstalled"
+        class="cluster-application-warning"
+      >
+        <div
+          class="svg-container"
+          v-html="helmInstallIllustration"
         >
-          <div slot="description">
-            <p>
-              {{ s__(`ClusterIntegration|Ingress gives you a way to route
-                requests to services based on the request host or path,
-                centralizing a number of services into a single entrypoint.`) }}
-            </p>
+        </div>
+        {{ s__(`ClusterIntegration|You must first install Helm Tiller before
+          installing the applications below`) }}
+      </div>
+      <application-row
+        :id="ingressId"
+        :logo-url="kubernetesLogo"
+        :title="applications.ingress.title"
+        :status="applications.ingress.status"
+        :status-reason="applications.ingress.statusReason"
+        :request-status="applications.ingress.requestStatus"
+        :request-reason="applications.ingress.requestReason"
+        :disabled="!helmInstalled"
+        title-link="https://kubernetes.io/docs/concepts/services-networking/ingress/"
+      >
+        <div slot="description">
+          <p>
+            {{ s__(`ClusterIntegration|Ingress gives you a way to route
+              requests to services based on the request host or path,
+              centralizing a number of services into a single entrypoint.`) }}
+          </p>
 
-            <template v-if="ingressInstalled">
-              <div class="form-group">
-                <label for="ingress-ip-address">
-                  {{ s__('ClusterIntegration|Ingress IP Address') }}
-                </label>
-                <div
-                  v-if="ingressExternalIp"
-                  class="input-group"
-                >
-                  <input
-                    id="ingress-ip-address"
-                    :value="ingressExternalIp"
-                    type="text"
-                    class="form-control js-ip-address"
-                    readonly
-                  />
-                  <span class="input-group-append">
-                    <clipboard-button
-                      :text="ingressExternalIp"
-                      :title="s__('ClusterIntegration|Copy Ingress IP Address to clipboard')"
-                      class="input-group-text js-clipboard-btn"
-                    />
-                  </span>
-                </div>
+          <template v-if="ingressInstalled">
+            <div class="form-group">
+              <label for="ingress-ip-address">
+                {{ s__('ClusterIntegration|Ingress IP Address') }}
+              </label>
+              <div
+                v-if="ingressExternalIp"
+                class="input-group"
+              >
                 <input
-                  v-else
+                  id="ingress-ip-address"
+                  :value="ingressExternalIp"
                   type="text"
                   class="form-control js-ip-address"
                   readonly
-                  value="?"
                 />
+                <span class="input-group-append">
+                  <clipboard-button
+                    :text="ingressExternalIp"
+                    :title="s__('ClusterIntegration|Copy Ingress IP Address to clipboard')"
+                    class="input-group-text js-clipboard-btn"
+                  />
+                </span>
               </div>
+              <input
+                v-else
+                type="text"
+                class="form-control js-ip-address"
+                readonly
+                value="?"
+              />
+            </div>
 
-              <p
-                v-if="!ingressExternalIp"
-                class="settings-message js-no-ip-message"
-              >
-                {{ s__(`ClusterIntegration|The IP address is in
-                the process of being assigned. Please check your Kubernetes
-                cluster or Quotas on Google Kubernetes Engine if it takes a long time.`) }}
+            <p
+              v-if="!ingressExternalIp"
+              class="settings-message js-no-ip-message"
+            >
+              {{ s__(`ClusterIntegration|The IP address is in
+              the process of being assigned. Please check your Kubernetes
+              cluster or Quotas on Google Kubernetes Engine if it takes a long time.`) }}
 
-                <a
-                  :href="ingressHelpPath"
-                  target="_blank"
-                  rel="noopener noreferrer"
-                >
-                  {{ __('More information') }}
-                </a>
-              </p>
+              <a
+                :href="ingressHelpPath"
+                target="_blank"
+                rel="noopener noreferrer"
+              >
+                {{ __('More information') }}
+              </a>
+            </p>
 
-              <p>
-                {{ s__(`ClusterIntegration|Point a wildcard DNS to this
-                generated IP address in order to access
-                your application after it has been deployed.`) }}
-                <a
-                  :href="ingressDnsHelpPath"
-                  target="_blank"
-                  rel="noopener noreferrer"
-                >
-                  {{ __('More information') }}
-                </a>
-              </p>
+            <p>
+              {{ s__(`ClusterIntegration|Point a wildcard DNS to this
+              generated IP address in order to access
+              your application after it has been deployed.`) }}
+              <a
+                :href="ingressDnsHelpPath"
+                target="_blank"
+                rel="noopener noreferrer"
+              >
+                {{ __('More information') }}
+              </a>
+            </p>
 
-            </template>
-            <div
-              v-else
-              v-html="ingressDescription"
-            >
-            </div>
-          </div>
-        </application-row>
-        <application-row
-          id="prometheus"
-          :title="applications.prometheus.title"
-          :manage-link="managePrometheusPath"
-          :status="applications.prometheus.status"
-          :status-reason="applications.prometheus.statusReason"
-          :request-status="applications.prometheus.requestStatus"
-          :request-reason="applications.prometheus.requestReason"
-          title-link="https://prometheus.io/docs/introduction/overview/"
-        >
+          </template>
           <div
-            slot="description"
-            v-html="prometheusDescription"
+            v-html="ingressDescription"
           >
           </div>
-        </application-row>
-        <application-row
-          id="runner"
-          :title="applications.runner.title"
-          :status="applications.runner.status"
-          :status-reason="applications.runner.statusReason"
-          :request-status="applications.runner.requestStatus"
-          :request-reason="applications.runner.requestReason"
-          title-link="https://docs.gitlab.com/runner/"
-        >
-          <div slot="description">
-            {{ s__(`ClusterIntegration|GitLab Runner connects to this
-              project's repository and executes CI/CD jobs,
-              pushing results back and deploying,
-              applications to production.`) }}
-          </div>
-        </application-row>
-        <application-row
-          id="jupyter"
-          :title="applications.jupyter.title"
-          :status="applications.jupyter.status"
-          :status-reason="applications.jupyter.statusReason"
-          :request-status="applications.jupyter.requestStatus"
-          :request-reason="applications.jupyter.requestReason"
-          :install-application-request-params="{ hostname: applications.jupyter.hostname }"
-          title-link="https://jupyterhub.readthedocs.io/en/stable/"
+        </div>
+      </application-row>
+      <application-row
+        id="prometheus"
+        :logo-url="prometheusLogo"
+        :title="applications.prometheus.title"
+        :manage-link="managePrometheusPath"
+        :status="applications.prometheus.status"
+        :status-reason="applications.prometheus.statusReason"
+        :request-status="applications.prometheus.requestStatus"
+        :request-reason="applications.prometheus.requestReason"
+        :disabled="!helmInstalled"
+        title-link="https://prometheus.io/docs/introduction/overview/"
+      >
+        <div
+          slot="description"
+          v-html="prometheusDescription"
         >
-          <div slot="description">
-            <p>
-              {{ s__(`ClusterIntegration|JupyterHub, a multi-user Hub, spawns,
-                manages, and proxies multiple instances of the single-user
-                Jupyter notebook server. JupyterHub can be used to serve
-                notebooks to a class of students, a corporate data science group,
-                or a scientific research group.`) }}
-            </p>
+        </div>
+      </application-row>
+      <application-row
+        id="runner"
+        :logo-url="gitlabLogo"
+        :title="applications.runner.title"
+        :status="applications.runner.status"
+        :status-reason="applications.runner.statusReason"
+        :request-status="applications.runner.requestStatus"
+        :request-reason="applications.runner.requestReason"
+        :disabled="!helmInstalled"
+        title-link="https://docs.gitlab.com/runner/"
+      >
+        <div slot="description">
+          {{ s__(`ClusterIntegration|GitLab Runner connects to this
+            project's repository and executes CI/CD jobs,
+            pushing results back and deploying,
+            applications to production.`) }}
+        </div>
+      </application-row>
+      <application-row
+        id="jupyter"
+        :logo-url="jupyterhubLogo"
+        :title="applications.jupyter.title"
+        :status="applications.jupyter.status"
+        :status-reason="applications.jupyter.statusReason"
+        :request-status="applications.jupyter.requestStatus"
+        :request-reason="applications.jupyter.requestReason"
+        :install-application-request-params="{ hostname: applications.jupyter.hostname }"
+        :disabled="!helmInstalled"
+        class="hide-bottom-border rounded-bottom"
+        title-link="https://jupyterhub.readthedocs.io/en/stable/"
+      >
+        <div slot="description">
+          <p>
+            {{ s__(`ClusterIntegration|JupyterHub, a multi-user Hub, spawns,
+              manages, and proxies multiple instances of the single-user
+              Jupyter notebook server. JupyterHub can be used to serve
+              notebooks to a class of students, a corporate data science group,
+              or a scientific research group.`) }}
+          </p>
 
-            <template v-if="ingressExternalIp">
-              <div class="form-group">
-                <label for="jupyter-hostname">
-                  {{ s__('ClusterIntegration|Jupyter Hostname') }}
-                </label>
+          <template v-if="ingressExternalIp">
+            <div class="form-group">
+              <label for="jupyter-hostname">
+                {{ s__('ClusterIntegration|Jupyter Hostname') }}
+              </label>
 
-                <div class="input-group">
-                  <input
-                    v-model="applications.jupyter.hostname"
-                    :readonly="jupyterInstalled"
-                    type="text"
-                    class="form-control js-hostname"
+              <div class="input-group">
+                <input
+                  v-model="applications.jupyter.hostname"
+                  :readonly="jupyterInstalled"
+                  type="text"
+                  class="form-control js-hostname"
+                />
+                <span
+                  class="input-group-btn"
+                >
+                  <clipboard-button
+                    :text="jupyterHostname"
+                    :title="s__('ClusterIntegration|Copy Jupyter Hostname to clipboard')"
+                    class="js-clipboard-btn"
                   />
-                  <span
-                    class="input-group-btn"
-                  >
-                    <clipboard-button
-                      :text="jupyterHostname"
-                      :title="s__('ClusterIntegration|Copy Jupyter Hostname to clipboard')"
-                      class="js-clipboard-btn"
-                    />
-                  </span>
-                </div>
+                </span>
               </div>
-              <p v-if="ingressInstalled">
-                {{ s__(`ClusterIntegration|Replace this with your own hostname if you want.
-                If you do so, point hostname to Ingress IP Address from above.`) }}
-                <a
-                  :href="ingressDnsHelpPath"
-                  target="_blank"
-                  rel="noopener noreferrer"
-                >
-                  {{ __('More information') }}
-                </a>
-              </p>
-            </template>
-          </div>
-        </application-row>
-        <!--
-          NOTE: Don't forget to update `clusters.scss`
-          min-height for this block and uncomment `application_spec` tests
-        -->
-      </div>
+            </div>
+            <p v-if="ingressInstalled">
+              {{ s__(`ClusterIntegration|Replace this with your own hostname if you want.
+              If you do so, point hostname to Ingress IP Address from above.`) }}
+              <a
+                :href="ingressDnsHelpPath"
+                target="_blank"
+                rel="noopener noreferrer"
+              >
+                {{ __('More information') }}
+              </a>
+            </p>
+          </template>
+        </div>
+      </application-row>
     </div>
   </section>
 </template>
diff --git a/app/assets/stylesheets/pages/clusters.scss b/app/assets/stylesheets/pages/clusters.scss
index 0f22fe21143..71a3fd544f2 100644
--- a/app/assets/stylesheets/pages/clusters.scss
+++ b/app/assets/stylesheets/pages/clusters.scss
@@ -4,9 +4,60 @@
   }
 }
 
-.cluster-applications-table {
-  // Wait for the Vue to kick-in and render the applications block
-  min-height: 628px;
+.cluster-application-row {
+  background: $gray-lighter;
+
+  &.cluster-application-installed {
+    background: none;
+  }
+
+  .settings-message {
+    padding: $gl-vert-padding $gl-padding-8;
+  }
+}
+
+@media (min-width: map-get($grid-breakpoints, md)) {
+  .cluster-application-list {
+    border: 1px solid $border-color;
+    border-radius: $border-radius-default;
+  }
+
+  .cluster-application-row {
+    border-bottom: 1px solid $border-color;
+    padding: $gl-padding;
+  }
+}
+
+.cluster-application-logo {
+  border: 3px solid $white-light;
+  box-shadow: 0 0 0 1px $gray-normal;
+
+  &.avatar:hover {
+    border-color: $white-light;
+  }
+}
+
+.cluster-application-warning {
+  font-weight: bold;
+  text-align: center;
+  padding: $gl-padding;
+  border-bottom: 1px solid $white-normal;
+
+  .svg-container {
+    display: inline-block;
+    vertical-align: middle;
+    margin-right: $gl-padding-8;
+    width: 40px;
+    height: 40px;
+  }
+}
+
+.cluster-application-description {
+  flex: 1;
+}
+
+.cluster-application-disabled {
+  opacity: 0.5;
 }
 
 .clusters-dropdown-menu {
diff --git a/changelogs/unreleased/50111-improve-design-of-cluster-apps-to-handle-larger-quantity.yml b/changelogs/unreleased/50111-improve-design-of-cluster-apps-to-handle-larger-quantity.yml
new file mode 100644
index 00000000000..438c847327a
--- /dev/null
+++ b/changelogs/unreleased/50111-improve-design-of-cluster-apps-to-handle-larger-quantity.yml
@@ -0,0 +1,5 @@
+---
+title: Improve install flow of Kubernetes cluster apps
+merge_request: 21567
+author:
+type: changed
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index db372811db3..3e6baeae87a 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -1353,6 +1353,9 @@ msgstr ""
 msgid "ClusterIntegration|Certificate Authority bundle (PEM format)"
 msgstr ""
 
+msgid "ClusterIntegration|Choose which applications to install on your Kubernetes cluster. Helm Tiller is required to install any of the following applications."
+msgstr ""
+
 msgid "ClusterIntegration|Choose which of your environments will use this cluster."
 msgstr ""
 
@@ -1443,9 +1446,6 @@ msgstr ""
 msgid "ClusterIntegration|Install"
 msgstr ""
 
-msgid "ClusterIntegration|Install applications on your Kubernetes cluster. Read more about %{helpLink}"
-msgstr ""
-
 msgid "ClusterIntegration|Installed"
 msgstr ""
 
@@ -1653,6 +1653,9 @@ msgstr ""
 msgid "ClusterIntegration|With a Kubernetes cluster associated to this project, you can use review apps, deploy your applications, run your pipelines, and much more in an easy way."
 msgstr ""
 
+msgid "ClusterIntegration|You must first install Helm Tiller before installing the applications below"
+msgstr ""
+
 msgid "ClusterIntegration|Your account must have %{link_to_kubernetes_engine}"
 msgstr ""
 
@@ -1671,9 +1674,6 @@ msgstr ""
 msgid "ClusterIntegration|help page"
 msgstr ""
 
-msgid "ClusterIntegration|installing applications"
-msgstr ""
-
 msgid "ClusterIntegration|meets the requirements"
 msgstr ""
 
diff --git a/spec/features/projects/clusters/user_spec.rb b/spec/features/projects/clusters/user_spec.rb
index 00941efc8c8..2b4998ed5ac 100644
--- a/spec/features/projects/clusters/user_spec.rb
+++ b/spec/features/projects/clusters/user_spec.rb
@@ -86,7 +86,6 @@ describe 'User Cluster', :js do
     context 'when user disables the cluster' do
       before do
         page.find(:css, '.js-cluster-enable-toggle-area .js-project-feature-toggle').click
-        fill_in 'cluster_name', with: 'dev-cluster'
         page.within('#cluster-integration') { click_button 'Save changes' }
       end