CLD-7074 Implement full E2E tests on Github Actions (#26093)

* Move license setting from env var to mmctl upload
* Extract common E2E steps
* Add E2E fulltests
* Fix plugin_startup_fail_spec.js, timeout runners, fix local dashboard run
* Implement reporting script and job
* Bump artifact related actions
* Fix E2E variable generator script
* Skip reporting steps if not required
* Get rid of deprecation warnings
* Fix inbucket hostname parameter
* Support arbitrary refs in test template
* Fix cycle BRANCH var for non-PR commits
---------

Co-authored-by: Mattermost Build <build@mattermost.com>

e2e-tests/.ci/report.publish.sh

@@ -0,0 +1,65 @@
+#!/bin/bash
+# SC2034: <variable> appears unused.
+# https://www.shellcheck.net/wiki/SC2034
+# shellcheck disable=SC2034
+
+set -e -u -o pipefail
+cd "$(dirname "$0")"
+. .e2erc
+
+# Default required variables, assert that they are set, and document optional variables
+: ${FULL_REPORT:=false} # Valid values: true, false
+: ${TYPE:=NONE}         # Valid values: PR, RELEASE, MASTER, MASTER_UNSTABLE, CLOUD, CLOUD_UNSTABLE, NONE (which is the same as omitting it)
+: ${WEBHOOK_URL:-}      # Optional. Mattermost webhook to post the report back to
+: ${RELEASE_DATE:-}     # Optional. If set, its value will be included in the report as the release date of the tested artifact
+
+# Env vars used during the test. Their values will be included in the report
+: ${BRANCH:?}
+: ${BUILD_ID:?}
+: ${MM_ENV:-}
+
+# Populate intermediate variables
+export BUILD_TAG="${SERVER_IMAGE##*/}"
+export MM_DOCKER_IMAGE="${BUILD_TAG%%:*}" # NB: the 'mattermostdevelopment/' prefix is assumed
+export MM_DOCKER_TAG="${BUILD_TAG##*:}"
+export SERVER_TYPE="${SERVER}"
+# NB: assume that BRANCH follows the convention 'server-pr-${PR_NUMBER}'. If multiple PRs match, the last one is used to generate the link
+# Only needed if TYPE=PR
+export PULL_REQUEST="https://github.com/mattermost/mattermost/pull/${BRANCH##*-}"
+
+if [ -n "${TM4J_API_KEY:-}" ]; then
+  export TM4J_ENABLE=true
+  export JIRA_PROJECT_KEY=MM
+  export TM4J_ENVIRONMENT_NAME="${TEST}/${BROWSER}/${SERVER}"
+  case "${SERVER}" in
+    cloud)
+      export TM4J_FOLDER_ID="2014474" ;;
+    *)
+      export TM4J_FOLDER_ID="2014475" ;;
+  esac
+  : ${TEST_CYCLE_LINK_PREFIX:?}
+  : ${TM4J_CYCLE_KEY:-}
+  : ${TM4J_CYCLE_NAME:-}
+  mme2e_log "TMJ4 integration enabled."
+fi
+
+if [ -n "${DIAGNOSTIC_WEBHOOK_URL:-}" ]; then
+  : ${DIAGNOSTIC_USER_ID:?}
+  : ${DIAGNOSTIC_TEAM_ID:?}
+  mme2e_log "Diagnostic report upload enabled."
+fi
+
+if [ -n "${AWS_S3_BUCKET:-}" ]; then
+  : ${AWS_ACCESS_KEY_ID:?}
+  : ${AWS_SECRET_ACCESS_KEY:?}
+  mme2e_log "S3 report upload enabled."
+fi
+
+cd ../cypress/
+if [ ! -d "results/" ]; then
+  mme2e_log "Error: 'results/' directory does not exist. Aborting report generation." >&2
+  exit 1
+fi
+
+npm i
+node save_report.js