Remove `package-and-qa` notifications

These notifications are now implemented in `gitlab-qa`
https://gitlab.com/gitlab-org/gitlab-qa/merge_requests/361

.gitlab-ci.yml

@@ -10,7 +10,6 @@ stages:
   - review
   - qa
   - post-qa
-  - notification
   - pages
 
 variables:
@@ -36,7 +35,6 @@ include:
   - local: .gitlab/ci/frontend.gitlab-ci.yml
   - local: .gitlab/ci/global.gitlab-ci.yml
   - local: .gitlab/ci/memory.gitlab-ci.yml
-  - local: .gitlab/ci/notifications.gitlab-ci.yml
   - local: .gitlab/ci/pages.gitlab-ci.yml
   - local: .gitlab/ci/qa.gitlab-ci.yml
   - local: .gitlab/ci/reports.gitlab-ci.yml

.gitlab/ci/notifications.gitlab-ci.yml

-# Make sure to update all the similar conditions in other CI config files if you modify these conditions
-.if-canonical-gitlab-schedule: &if-canonical-gitlab-schedule
-  if: '$CI_SERVER_HOST == "gitlab.com" && $CI_PROJECT_NAMESPACE =~ /^gitlab-org($|\/)/ && $CI_PIPELINE_SOURCE == "schedule"'
-
-.notify:
-  image: ruby:2.6-alpine
-  stage: notification
-  dependencies: []
-  cache: {}
-  before_script:
-    - apk update && apk add git curl bash
-    - source scripts/utils.sh
-    - source scripts/notifications.sh
-    - install_gitlab_gem
-  variables:
-    COMMIT_NOTES_URL: "https://${CI_SERVER_HOST}/${CI_PROJECT_PATH}/commit/${CI_COMMIT_SHA}#notes-list"
-
-package-and-qa:notify-failure:
-  extends: .notify
-  rules:
-    - <<: *if-canonical-gitlab-schedule
-      when: manual # TODO: remove notify job if not necessary
-  script:
-    - 'export NOTIFICATION_MESSAGE=":skull_and_crossbones: Scheduled QA against master failed! :skull_and_crossbones: See ${CI_PIPELINE_URL}. For downstream pipelines, see ${COMMIT_NOTES_URL}"'
-    - 'notify_on_job_failure package-and-qa qa-master "${NOTIFICATION_MESSAGE}" ci_failing'
-  needs: ["package-and-qa"]
-  allow_failure: true

doc/development/pipelines.md

@@ -264,10 +264,6 @@ subgraph "`qa` stage"
     dast -.-> |needs and depends on| G;
     end
 
-subgraph "`notification` stage"
-    NOTIFICATION2["package-and-qa:notify-failure<br>(manual)"] -.-> |needs| Q;
-    end
-
 subgraph "`post-test` stage"
     M
     end

scripts/notifications.sh

-# Sends Slack notification MSG to CI_SLACK_WEBHOOK_URL (which needs to be set).
-# ICON_EMOJI needs to be set to an icon emoji name (without the `:` around it).
-function notify_slack() {
-    CHANNEL=$1
-    MSG=$2
-    ICON_EMOJI=$3
-
-    if [ -z "$CHANNEL" ] || [ -z "$CI_SLACK_WEBHOOK_URL" ] || [ -z "$MSG" ] || [ -z "$ICON_EMOJI" ]; then
-        echo "Missing argument(s) - Use: $0 channel message icon_emoji"
-        echo "and set CI_SLACK_WEBHOOK_URL environment variable."
-    else
-        curl -X POST --data-urlencode 'payload={"channel": "#'"${CHANNEL}"'", "username": "GitLab QA Bot", "text": "'"${MSG}"'", "icon_emoji": "'":${ICON_EMOJI}:"'"}' "${CI_SLACK_WEBHOOK_URL}"
-    fi
-}
-
-function notify_on_job_failure() {
-    JOB_NAME=$1
-    CHANNEL=$2
-    MSG=$3
-    ICON_EMOJI=$4
-
-    local job_id
-    job_id=$(scripts/get-job-id "$CI_PROJECT_ID" "$CI_PIPELINE_ID" "$JOB_NAME" -s failed)
-    if [ -n "${job_id}" ]; then
-        notify_slack "${CHANNEL}" "${MSG}" "${ICON_EMOJI}"
-    fi
-}