Add Pipeline IID to views

* Add Pipeline IID to MR's
* Add Pipeline IID to commit box
* Add Pipeline IID to builds page
* Add Pipeline IID to job sidebar
* Add Pipeline IID to header on view pipeline pages
* Add changelog entry
* Update tests

2 files changed, 49 insertions, 3 deletions

diff --git a/app/assets/javascripts/vue_shared/components/ci_pipeline_link.vue b/app/assets/javascripts/vue_shared/components/ci_pipeline_link.vue
new file mode 100644
index 00000000000..eae4c06467c
--- /dev/null
+++ b/app/assets/javascripts/vue_shared/components/ci_pipeline_link.vue
@@ -0,0 +1,32 @@
+<script>
+import { GlLink, GlTooltipDirective } from '@gitlab/ui';
+
+export default {
+  components: {
+    GlLink,
+  },
+  directives: {
+    GlTooltip: GlTooltipDirective,
+  },
+  props: {
+    href: {
+      type: String,
+      required: true,
+    },
+    pipelineId: {
+      type: Number,
+      required: true,
+    },
+    pipelineIid: {
+      type: Number,
+      required: true,
+    },
+  },
+};
+</script>
+<template>
+  <gl-link v-gl-tooltip :href="href" :title="__('Pipeline ID (IID)')">
+    <span class="pipeline-id">#{{ pipelineId }}</span>
+    <span class="pipeline-iid">(#{{ pipelineIid }})</span>
+  </gl-link>
+</template>
diff --git a/app/assets/javascripts/vue_shared/components/header_ci_component.vue b/app/assets/javascripts/vue_shared/components/header_ci_component.vue
index 3f45dc7853b..0bac63b1062 100644
--- a/app/assets/javascripts/vue_shared/components/header_ci_component.vue
+++ b/app/assets/javascripts/vue_shared/components/header_ci_component.vue
@@ -37,6 +37,16 @@ export default {
       type: Number,
       required: true,
     },
+    itemIid: {
+      type: Number,
+      required: false,
+      default: null,
+    },
+    itemIdTooltip: {
+      type: String,
+      required: false,
+      default: '',
+    },
     time: {
       type: String,
       required: true,
@@ -85,7 +95,12 @@ export default {
     <section class="header-main-content">
       <ci-icon-badge :status="status" />
 
-      <strong> {{ itemName }} #{{ itemId }} </strong>
+      <strong v-gl-tooltip :title="itemIdTooltip">
+        {{ itemName }} #{{ itemId }}
+        <template v-if="itemIid"
+          >(#{{ itemIid }})</template
+        >
+      </strong>
 
       <template v-if="shouldRenderTriggeredLabel">
         triggered
@@ -96,9 +111,8 @@ export default {
 
       <timeago-tooltip :time="time" />
 
-      by
-
       <template v-if="user">
+        by
         <gl-link
           v-gl-tooltip
           :href="user.path"