Merge remote-tracking branch 'upstream/master' into 27377-preload-pipeline-entity27377-preload-pipeline-entity

* upstream/master: (2534 commits)
  Update VERSION to 9.3.0-pre
  Update CHANGELOG.md for 9.2.0
  removes unnecessary redundacy in usage ping doc
  Respect the typo as rubocop said
  Add a test to ensure this works on MySQL
  Change pipelines schedules help page path
  change domain to hostname in usage ping doc
  Fixes broken MySQL migration for retried
  Show password field mask while editing service settings
  Add notes for supported schedulers and cloud providers
  Move environment monitoring to environments doc
  Add docs for change of Cache/Artifact restore order"
  Avoid resource intensive login checks if password is not provided
  Change translation for 'coding' by 'desarrollo' for Spanish
  Add to docs: issues multiple assignees
  rename "Add emoji" and "Award emoji" to "Add reaction" where appropriate
  Add project and group notification settings info
  32570 Fix border-bottom for project activity tab
  Add users endpoint to frontend API class
  Rename users on mysql
  ...

4 files changed, 45 insertions, 0 deletions

diff --git a/doc/development/img/cache-hit.svg b/doc/development/img/cache-hit.svg
new file mode 100644
index 00000000000..1c37693df2d
--- /dev/null
+++ b/doc/development/img/cache-hit.svg
@@ -0,0 +1,21 @@
+<svg version="1.1" id="mscgen_js-svg-__svg" class="mscgen_js-svg-__svg" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="976" height="310" viewBox="0 0 976 310"><desc>
+
+# Generated by mscgen_js - https://sverweij.github.io/mscgen_js
+msc {
+  # options
+  hscale="1.5";
+
+  # entities
+  c [label="Client", textbgcolor="lime"],
+  rails [label="Rails", textbgcolor="cyan"],
+  etag [label="EtagCaching", textbgcolor="orange"],
+  redis [label="Redis", textbgcolor="white"];
+
+  # arcs
+  c =&gt; rails [label="GET /projects/5/pipelines"];
+  rails =&gt; etag [label="GET /projects/5/pipelines"];
+  etag =&gt; redis [label="read(key = 'GET &lt;Etag&gt;')"];
+  redis =&gt; etag [label="cache hit", linecolor="green", textcolor="green"];
+    |||;
+  etag =&gt; c [label="304 Not Modified", linecolor="blue", textcolor="blue"];
+}</desc><defs><style type="text/css">svg.mscgen_js-svg-__svg{font-family:Helvetica,sans-serif;font-size:12px;font-weight:normal;font-style:normal;text-decoration:none;background-color:white;stroke:black;stroke-width:2;color:black}.mscgen_js-svg-__svg path, .mscgen_js-svg-__svg rect{fill:none;color:black;stroke:black}.mscgen_js-svg-__svg .label-text-background{fill:white;stroke:white;stroke-width:0}.mscgen_js-svg-__svg .bglayer{fill:white;stroke:white;stroke-width:0}.mscgen_js-svg-__svg line{stroke:black}.mscgen_js-svg-__svg .return, .mscgen_js-svg-__svg .comment{stroke-dasharray:5,3}.mscgen_js-svg-__svg .inline_expression_divider{stroke-dasharray:10,5}.mscgen_js-svg-__svg text{color:inherit;stroke:none;text-anchor:middle}.mscgen_js-svg-__svg text.entity-text{text-decoration:underline}.mscgen_js-svg-__svg text.anchor-start{text-anchor:start}.mscgen_js-svg-__svg .arrow-marker{overflow:visible}.mscgen_js-svg-__svg .arrow-style{stroke-width:1}.mscgen_js-svg-__svg .arcrow, .mscgen_js-svg-__svg .arcrowomit, .mscgen_js-svg-__svg .emphasised{stroke-linecap:butt}.mscgen_js-svg-__svg .arcrowomit{stroke-dasharray:2,2;}.mscgen_js-svg-__svg .box, .mscgen_js-svg-__svg .entity{fill:white;stroke-linejoin:round}.mscgen_js-svg-__svg .inherit{stroke:inherit;color:inherit}.mscgen_js-svg-__svg .inherit-fill{fill:inherit}.mscgen_js-svg-__svg .watermark{stroke:black;color:black;fill:black;font-size:48pt;font-weight:bold;opacity:0.14}</style><marker orient="auto" id="mscgen_js-svg-__svgmethod-black" class="arrow-marker" viewBox="0 0 10 10" refX="9" refY="3" markerUnits="strokeWidth" markerWidth="10" markerHeight="10"><polygon points="1,1  9,3  1,5" class="arrow-style" stroke="black" fill="black"></polygon></marker><marker orient="auto" id="mscgen_js-svg-__svgmethod-l-black" class="arrow-marker" viewBox="0 0 10 10" refX="9" refY="3" markerUnits="strokeWidth" markerWidth="10" markerHeight="10"><polygon points="17,1 9,3 17,5" class="arrow-style" stroke="black" fill="black"></polygon></marker><marker orient="auto" id="mscgen_js-svg-__svgmethod-blue" class="arrow-marker" viewBox="0 0 10 10" refX="9" refY="3" markerUnits="strokeWidth" markerWidth="10" markerHeight="10"><polygon points="1,1  9,3  1,5" class="arrow-style" stroke="blue" fill="blue"></polygon></marker><marker orient="auto" id="mscgen_js-svg-__svgmethod-l-blue" class="arrow-marker" viewBox="0 0 10 10" refX="9" refY="3" markerUnits="strokeWidth" markerWidth="10" markerHeight="10"><polygon points="17,1 9,3 17,5" class="arrow-style" stroke="blue" fill="blue"></polygon></marker><marker orient="auto" id="mscgen_js-svg-__svgmethod-green" class="arrow-marker" viewBox="0 0 10 10" refX="9" refY="3" markerUnits="strokeWidth" markerWidth="10" markerHeight="10"><polygon points="1,1  9,3  1,5" class="arrow-style" stroke="green" fill="green"></polygon></marker><marker orient="auto" id="mscgen_js-svg-__svgmethod-l-green" class="arrow-marker" viewBox="0 0 10 10" refX="9" refY="3" markerUnits="strokeWidth" markerWidth="10" markerHeight="10"><polygon points="17,1 9,3 17,5" class="arrow-style" stroke="green" fill="green"></polygon></marker></defs><g id="mscgen_js-svg-__svg__body" transform="translate(53,3) scale(1,1)"><g id="mscgen_js-svg-__svg__background"><rect width="976" height="310" x="-53" y="-3" class="bglayer"></rect></g><g id="mscgen_js-svg-__svg__arcspanlayer"></g><g id="mscgen_js-svg-__svg__lifelinelayer"><line x1="75" y1="38" x2="75" y2="76" class="arcrow"></line><line x1="315" y1="38" x2="315" y2="76" class="arcrow"></line><line x1="555" y1="38" x2="555" y2="76" class="arcrow"></line><line x1="795" y1="38" x2="795" y2="76" class="arcrow"></line><line x1="75" y1="76" x2="75" y2="114" class="arcrow"></line><line x1="315" y1="76" x2="315" y2="114" class="arcrow"></line><line x1="555" y1="76" x2="555" y2="114" class="arcrow"></line><line x1="795" y1="76" x2="795" y2="114" class="arcrow"></line><line x1="75" y1="114" x2="75" y2="152" class="arcrow"></line><line x1="315" y1="114" x2="315" y2="152" class="arcrow"></line><line x1="555" y1="114" x2="555" y2="152" class="arcrow"></line><line x1="795" y1="114" x2="795" y2="152" class="arcrow"></line><line x1="75" y1="152" x2="75" y2="190" class="arcrow"></line><line x1="315" y1="152" x2="315" y2="190" class="arcrow"></line><line x1="555" y1="152" x2="555" y2="190" class="arcrow"></line><line x1="795" y1="152" x2="795" y2="190" class="arcrow"></line><line x1="75" y1="190" x2="75" y2="228" class="arcrow"></line><line x1="315" y1="190" x2="315" y2="228" class="arcrow"></line><line x1="555" y1="190" x2="555" y2="228" class="arcrow"></line><line x1="795" y1="190" x2="795" y2="228" class="arcrow"></line><line x1="75" y1="228" x2="75" y2="266" class="arcrow"></line><line x1="315" y1="228" x2="315" y2="266" class="arcrow"></line><line x1="555" y1="228" x2="555" y2="266" class="arcrow"></line><line x1="795" y1="228" x2="795" y2="266" class="arcrow"></line><line x1="75" y1="266" x2="75" y2="304" class="arcrow"></line><line x1="315" y1="266" x2="315" y2="304" class="arcrow"></line><line x1="555" y1="266" x2="555" y2="304" class="arcrow"></line><line x1="795" y1="266" x2="795" y2="304" class="arcrow"></line></g><g id="mscgen_js-svg-__svg__sequencelayer"><g id="mscgen_js-svg-__svgentities"><g><rect width="150" height="38" class="entity" style="fill:lime;"></rect><g><text x="75" y="22.5" class="entity-text "><tspan>Client</tspan></text></g></g><g><rect width="150" height="38" x="240" class="entity" style="fill:cyan;"></rect><g><text x="315" y="22.5" class="entity-text "><tspan>Rails</tspan></text></g></g><g><rect width="150" height="38" x="480" class="entity" style="fill:orange;"></rect><g><text x="555" y="22.5" class="entity-text "><tspan>EtagCaching</tspan></text></g></g><g><rect width="150" height="38" x="720" class="entity" style="fill:white;"></rect><g><text x="795" y="22.5" class="entity-text "><tspan>Redis</tspan></text></g></g></g><g><line x1="75" y1="95" x2="315" y2="95" class="arc directional method" style="stroke:black" marker-end="url(#mscgen_js-svg-__svgmethod-black)"></line><g><rect width="134.06" height="14" x="127.97" y="79.5" class="label-text-background"></rect><text x="195" y="90.5" class="directional-text method-text "><tspan>GET /projects/5/pipelines</tspan></text></g></g><g><line x1="315" y1="133" x2="555" y2="133" class="arc directional method" style="stroke:black" marker-end="url(#mscgen_js-svg-__svgmethod-black)"></line><g><rect width="134.06" height="14" x="367.97" y="117.5" class="label-text-background"></rect><text x="435" y="128.5" class="directional-text method-text "><tspan>GET /projects/5/pipelines</tspan></text></g></g><g><line x1="555" y1="171" x2="795" y2="171" class="arc directional method" style="stroke:black" marker-end="url(#mscgen_js-svg-__svgmethod-black)"></line><g><rect width="135.64" height="14" x="607.17" y="155.5" class="label-text-background"></rect><text x="675" y="166.5" class="directional-text method-text "><tspan>read(key = 'GET &lt;Etag&gt;')</tspan></text></g></g><g><line x1="795" y1="209" x2="555" y2="209" class="arc directional method" style="stroke:green" marker-end="url(#mscgen_js-svg-__svgmethod-green)"></line><g><rect width="48.02" height="14" x="650.98" y="193.5" class="label-text-background"></rect><text x="675" y="204.5" class="directional-text method-text " style="fill:green;"><tspan>cache hit</tspan></text></g></g><g></g><g><line x1="555" y1="285" x2="75" y2="285" class="arc directional method" style="stroke:blue" marker-end="url(#mscgen_js-svg-__svgmethod-blue)"></line><g><rect width="90.72" height="14" x="269.63" y="269.5" class="label-text-background"></rect><text x="315" y="280.5" class="directional-text method-text " style="fill:blue;"><tspan>304 Not Modified</tspan></text></g></g></g><g id="mscgen_js-svg-__svg__notelayer"></g><g id="mscgen_js-svg-__svg__watermark"></g></g></svg>
\ No newline at end of file
diff --git a/doc/development/img/cache-miss.svg b/doc/development/img/cache-miss.svg
new file mode 100644
index 00000000000..8429e6a1918
--- /dev/null
+++ b/doc/development/img/cache-miss.svg
@@ -0,0 +1,24 @@
+<svg version="1.1" id="mscgen_js-svg-__svg" class="mscgen_js-svg-__svg" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="976" height="386" viewBox="0 0 976 386"><desc>
+
+# Generated by mscgen_js - https://sverweij.github.io/mscgen_js
+msc {
+  # options
+  hscale="1.5";
+
+  # entities
+  c [label="Client", textbgcolor="lime"],
+  rails [label="Rails", textbgcolor="cyan"],
+  etag [label="EtagCaching", textbgcolor="orange"],
+  redis [label="Redis", textbgcolor="white"];
+
+  # arcs
+  c =&gt; rails [label="GET /projects/5/pipelines"];
+  rails =&gt; etag [label="GET /projects/5/pipelines"];
+  etag =&gt; redis [label="read(key = 'GET &lt;Etag&gt;')"];
+  redis =&gt; etag [label="cache miss", linecolor="red", textcolor="red"];
+  |||;
+  etag =&gt; redis [label="write('&lt;New Etag&gt;')"];
+  etag =&gt; rails [label="GET /projects/5/pipelines"];
+  rails =&gt; c [label="JSON response w/ ETag", linecolor="blue", textcolor="blue"];
+}
+</desc><defs><style type="text/css">svg.mscgen_js-svg-__svg{font-family:Helvetica,sans-serif;font-size:12px;font-weight:normal;font-style:normal;text-decoration:none;background-color:white;stroke:black;stroke-width:2}.mscgen_js-svg-__svg path, .mscgen_js-svg-__svg rect{fill:none}.mscgen_js-svg-__svg .label-text-background{fill:white;stroke:white;stroke-width:0}.mscgen_js-svg-__svg .bglayer{fill:white;stroke:white;stroke-width:0}.mscgen_js-svg-__svg line{}.mscgen_js-svg-__svg .return, .mscgen_js-svg-__svg .comment{stroke-dasharray:5,3}.mscgen_js-svg-__svg .inline_expression_divider{stroke-dasharray:10,5}.mscgen_js-svg-__svg text{color:inherit;stroke:none;text-anchor:middle}.mscgen_js-svg-__svg text.entity-text{text-decoration:underline}.mscgen_js-svg-__svg text.anchor-start{text-anchor:start}.mscgen_js-svg-__svg .arrow-marker{overflow:visible}.mscgen_js-svg-__svg .arrow-style{stroke-width:1}.mscgen_js-svg-__svg .arcrow, .mscgen_js-svg-__svg .arcrowomit, .mscgen_js-svg-__svg .emphasised{stroke-linecap:butt}.mscgen_js-svg-__svg .arcrowomit{stroke-dasharray:2,2}.mscgen_js-svg-__svg .box, .mscgen_js-svg-__svg .entity{fill:white;stroke-linejoin:round}.mscgen_js-svg-__svg .inherit{stroke:inherit;color:inherit}.mscgen_js-svg-__svg .inherit-fill{fill:inherit}.mscgen_js-svg-__svg .watermark{font-size:48pt;font-weight:bold;opacity:0.14}</style><marker orient="auto" id="mscgen_js-svg-__svgmethod-black" class="arrow-marker" viewBox="0 0 10 10" refX="9" refY="3" markerUnits="strokeWidth" markerWidth="10" markerHeight="10"><polygon points="1,1  9,3  1,5" class="arrow-style" stroke="black" fill="black"></polygon></marker><marker orient="auto" id="mscgen_js-svg-__svgmethod-l-black" class="arrow-marker" viewBox="0 0 10 10" refX="9" refY="3" markerUnits="strokeWidth" markerWidth="10" markerHeight="10"><polygon points="17,1 9,3 17,5" class="arrow-style" stroke="black" fill="black"></polygon></marker><marker orient="auto" id="mscgen_js-svg-__svgmethod-blue" class="arrow-marker" viewBox="0 0 10 10" refX="9" refY="3" markerUnits="strokeWidth" markerWidth="10" markerHeight="10"><polygon points="1,1  9,3  1,5" class="arrow-style" stroke="blue" fill="blue"></polygon></marker><marker orient="auto" id="mscgen_js-svg-__svgmethod-l-blue" class="arrow-marker" viewBox="0 0 10 10" refX="9" refY="3" markerUnits="strokeWidth" markerWidth="10" markerHeight="10"><polygon points="17,1 9,3 17,5" class="arrow-style" stroke="blue" fill="blue"></polygon></marker><marker orient="auto" id="mscgen_js-svg-__svgmethod-red" class="arrow-marker" viewBox="0 0 10 10" refX="9" refY="3" markerUnits="strokeWidth" markerWidth="10" markerHeight="10"><polygon points="1,1  9,3  1,5" class="arrow-style" stroke="red" fill="red"></polygon></marker><marker orient="auto" id="mscgen_js-svg-__svgmethod-l-red" class="arrow-marker" viewBox="0 0 10 10" refX="9" refY="3" markerUnits="strokeWidth" markerWidth="10" markerHeight="10"><polygon points="17,1 9,3 17,5" class="arrow-style" stroke="red" fill="red"></polygon></marker></defs><g id="mscgen_js-svg-__svg__body" transform="translate(53,3) scale(1,1)"><g id="mscgen_js-svg-__svg__background"><rect width="976" height="386" x="-53" y="-3" class="bglayer"></rect></g><g id="mscgen_js-svg-__svg__arcspanlayer"></g><g id="mscgen_js-svg-__svg__lifelinelayer"><line x1="75" y1="38" x2="75" y2="76" class="arcrow"></line><line x1="315" y1="38" x2="315" y2="76" class="arcrow"></line><line x1="555" y1="38" x2="555" y2="76" class="arcrow"></line><line x1="795" y1="38" x2="795" y2="76" class="arcrow"></line><line x1="75" y1="76" x2="75" y2="114" class="arcrow"></line><line x1="315" y1="76" x2="315" y2="114" class="arcrow"></line><line x1="555" y1="76" x2="555" y2="114" class="arcrow"></line><line x1="795" y1="76" x2="795" y2="114" class="arcrow"></line><line x1="75" y1="114" x2="75" y2="152" class="arcrow"></line><line x1="315" y1="114" x2="315" y2="152" class="arcrow"></line><line x1="555" y1="114" x2="555" y2="152" 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x2="555" y2="304" class="arcrow"></line><line x1="795" y1="266" x2="795" y2="304" class="arcrow"></line><line x1="75" y1="304" x2="75" y2="342" class="arcrow"></line><line x1="315" y1="304" x2="315" y2="342" class="arcrow"></line><line x1="555" y1="304" x2="555" y2="342" class="arcrow"></line><line x1="795" y1="304" x2="795" y2="342" class="arcrow"></line><line x1="75" y1="342" x2="75" y2="380" class="arcrow"></line><line x1="315" y1="342" x2="315" y2="380" class="arcrow"></line><line x1="555" y1="342" x2="555" y2="380" class="arcrow"></line><line x1="795" y1="342" x2="795" y2="380" class="arcrow"></line></g><g id="mscgen_js-svg-__svg__sequencelayer"><g id="mscgen_js-svg-__svgentities"><g><rect width="150" height="38" class="entity" style="fill:lime;"></rect><g><text x="75" y="22.5" class="entity-text "><tspan>Client</tspan></text></g></g><g><rect width="150" height="38" x="240" class="entity" style="fill:cyan;"></rect><g><text x="315" y="22.5" class="entity-text "><tspan>Rails</tspan></text></g></g><g><rect width="150" height="38" x="480" class="entity" style="fill:orange;"></rect><g><text x="555" y="22.5" class="entity-text "><tspan>EtagCaching</tspan></text></g></g><g><rect width="150" height="38" x="720" class="entity" style="fill:white;"></rect><g><text x="795" y="22.5" class="entity-text "><tspan>Redis</tspan></text></g></g></g><g><line x1="75" y1="95" x2="315" y2="95" class="arc directional method" style="stroke:black" marker-end="url(#mscgen_js-svg-__svgmethod-black)"></line><g><rect width="134.06" height="14" x="127.97" y="79.5" class="label-text-background"></rect><text x="195" y="90.5" class="directional-text method-text "><tspan>GET /projects/5/pipelines</tspan></text></g></g><g><line x1="315" y1="133" x2="555" y2="133" class="arc directional method" style="stroke:black" marker-end="url(#mscgen_js-svg-__svgmethod-black)"></line><g><rect width="134.06" height="14" x="367.97" y="117.5" class="label-text-background"></rect><text x="435" y="128.5" class="directional-text method-text "><tspan>GET /projects/5/pipelines</tspan></text></g></g><g><line x1="555" y1="171" x2="795" y2="171" class="arc directional method" style="stroke:black" marker-end="url(#mscgen_js-svg-__svgmethod-black)"></line><g><rect width="135.64" height="14" x="607.17" y="155.5" class="label-text-background"></rect><text x="675" y="166.5" class="directional-text method-text "><tspan>read(key = 'GET &lt;Etag&gt;')</tspan></text></g></g><g><line x1="795" y1="209" x2="555" y2="209" class="arc directional method" style="stroke:red" marker-end="url(#mscgen_js-svg-__svgmethod-red)"></line><g><rect width="60.02" height="14" x="644.98" y="193.5" class="label-text-background"></rect><text x="675" y="204.5" class="directional-text method-text " style="fill:red;"><tspan>cache miss</tspan></text></g></g><g></g><g><line x1="555" y1="285" x2="795" y2="285" class="arc directional method" style="stroke:black" marker-end="url(#mscgen_js-svg-__svgmethod-black)"></line><g><rect width="103.94" height="14" x="623.02" y="269.5" class="label-text-background"></rect><text x="675" y="280.5" class="directional-text method-text "><tspan>write('&lt;New Etag&gt;')</tspan></text></g></g><g><line x1="555" y1="323" x2="315" y2="323" class="arc directional method" style="stroke:black" marker-end="url(#mscgen_js-svg-__svgmethod-black)"></line><g><rect width="134.06" height="14" x="367.97" y="307.5" class="label-text-background"></rect><text x="435" y="318.5" class="directional-text method-text "><tspan>GET /projects/5/pipelines</tspan></text></g></g><g><line x1="315" y1="361" x2="75" y2="361" class="arc directional method" style="stroke:blue" marker-end="url(#mscgen_js-svg-__svgmethod-blue)"></line><g><rect width="130.72" height="14" x="129.63" y="345.5" class="label-text-background"></rect><text x="195" y="356.5" class="directional-text method-text " style="fill:blue;"><tspan>JSON response w/ ETag</tspan></text></g></g></g><g id="mscgen_js-svg-__svg__notelayer"></g><g id="mscgen_js-svg-__svg__watermark"></g></g></svg>
\ No newline at end of file
diff --git a/doc/development/img/trigger_ss1.png b/doc/development/img/trigger_ss1.png
new file mode 100644
index 00000000000..ccff1009a25
--- /dev/null
+++ b/doc/development/img/trigger_ss1.png
diff --git a/doc/development/img/trigger_ss2.png b/doc/development/img/trigger_ss2.png
new file mode 100644
index 00000000000..94dfd048793
--- /dev/null
+++ b/doc/development/img/trigger_ss2.png