ci: Skip DB ops during install completely on cache hit (#3496)

Follow up to #3488

A new record: 2m 8s for installing self-hosted:
![image](https://github.com/user-attachments/assets/7cc6409d-5388-49ba-ad87-b7a1e99c9acc)

.github/workflows/test.yml

@@ -94,15 +94,24 @@ jobs:
           path: |
             /var/lib/docker/volumes/sentry-postgres/_data
             /var/lib/docker/volumes/sentry-clickhouse/_data
+            /var/lib/docker/volumes/sentry-kafka/_data
 
       - name: Install ${{ env.LATEST_TAG }}
-        run: ./install.sh
+        env:
+          SKIP_DB_MIGRATIONS: ${{ steps.restore_cache.outputs.cache-hit == 'true' && '1' || '' }}
+        run: |
+          # This is for the cache restore on Kafka to work in older releases
+          docker run --rm -v "sentry-kafka:/data" busybox chown -R 1000:1000 /data
+          ./install.sh
 
       - name: Prepare Docker Volume Caching
         run: |
           # Set permissions for docker volumes so we can cache and restore
           sudo chmod o+x /var/lib/docker
           sudo chmod -R o+rx /var/lib/docker/volumes
+          # Set tar ownership for it to be able to read
+          # From: https://github.com/actions/toolkit/issues/946#issuecomment-1726311681
+          sudo chown root /usr/bin/tar && sudo chmod u+s /usr/bin/tar
 
       - name: Save DB Volumes Cache
         if: steps.restore_cache.outputs.cache-hit != 'true'
@@ -112,12 +121,22 @@ jobs:
           path: |
             /var/lib/docker/volumes/sentry-postgres/_data
             /var/lib/docker/volumes/sentry-clickhouse/_data
+            /var/lib/docker/volumes/sentry-kafka/_data
 
       - name: Checkout current ref
         uses: actions/checkout@v4
 
       - name: Install current ref
-        run: ./install.sh
+        run: |
+          # This is for the cache restore on Kafka to work in older releases
+          docker run --rm -v "sentry-kafka:/data" busybox chown -R 1000:1000 /data
+          ./install.sh
+
+      - name: Inspect failure
+        if: failure()
+        run: |
+          docker compose ps
+          docker compose logs
 
   integration-test:
     if: github.repository_owner == 'getsentry'
@@ -192,19 +211,24 @@ jobs:
           path: |
             /var/lib/docker/volumes/sentry-postgres/_data
             /var/lib/docker/volumes/sentry-clickhouse/_data
+            /var/lib/docker/volumes/sentry-kafka/_data
 
       - name: Install self-hosted
-        uses: nick-fields/retry@v3
-        with:
-          timeout_minutes: 10
-          max_attempts: 3
-          command: ./install.sh
+        env:
+          SKIP_DB_MIGRATIONS: ${{ steps.restore_cache.outputs.cache-hit == 'true' && '1' || '' }}
+        run: |
+          # This is for the cache restore on Kafka to work in older releases
+          docker run --rm -v "sentry-kafka:/data" busybox chown -R 1000:1000 /data
+          ./install.sh
 
       - name: Prepare Docker Volume Caching
         run: |
           # Set permissions for docker volumes so we can cache and restore
           sudo chmod o+x /var/lib/docker
           sudo chmod -R o+rx /var/lib/docker/volumes
+          # Set tar ownership for it to be able to read
+          # From: https://github.com/actions/toolkit/issues/946#issuecomment-1726311681
+          sudo chown root /usr/bin/tar && sudo chmod u+s /usr/bin/tar
 
       - name: Save DB Volumes Cache
         if: steps.restore_cache.outputs.cache-hit != 'true'
@@ -214,6 +238,7 @@ jobs:
           path: |
             /var/lib/docker/volumes/sentry-postgres/_data
             /var/lib/docker/volumes/sentry-clickhouse/_data
+            /var/lib/docker/volumes/sentry-kafka/_data
 
       - name: Integration Test
         run: |

install/set-up-and-migrate-database.sh

@@ -1,16 +1,17 @@
 echo "${_group}Setting up / migrating database ..."
 
-# Fixes https://github.com/getsentry/self-hosted/issues/2758, where a migration fails due to indexing issue
-$dc up --wait postgres
+if [[ -z "${SKIP_DB_MIGRATIONS:-}" ]]; then
+  # Fixes https://github.com/getsentry/self-hosted/issues/2758, where a migration fails due to indexing issue
+  $dc up --wait postgres
 
-os=$($dc exec postgres cat /etc/os-release | grep 'ID=debian')
-if [[ -z $os ]]; then
-  echo "Postgres image debian check failed, exiting..."
-  exit 1
-fi
+  os=$($dc exec postgres cat /etc/os-release | grep 'ID=debian')
+  if [[ -z $os ]]; then
+    echo "Postgres image debian check failed, exiting..."
+    exit 1
+  fi
 
-# Using django ORM to provide broader support for users with external databases
-$dcr web shell -c "
+  # Using django ORM to provide broader support for users with external databases
+  $dcr web shell -c "
 from django.db import connection
 
 with connection.cursor() as cursor:
@@ -18,16 +19,18 @@ with connection.cursor() as cursor:
   cursor.execute('DROP INDEX IF EXISTS sentry_groupedmessage_project_id_id_515aaa7e_uniq;')
 "
 
-if [[ -n "${CI:-}" || "${SKIP_USER_CREATION:-0}" == 1 ]]; then
-  $dcr web upgrade --noinput --create-kafka-topics
-  echo ""
-  echo "Did not prompt for user creation. Run the following command to create one"
-  echo "yourself (recommended):"
-  echo ""
-  echo "  $dc_base run --rm web createuser"
-  echo ""
+  if [[ -n "${CI:-}" || "${SKIP_USER_CREATION:-0}" == 1 ]]; then
+    $dcr web upgrade --noinput --create-kafka-topics
+    echo ""
+    echo "Did not prompt for user creation. Run the following command to create one"
+    echo "yourself (recommended):"
+    echo ""
+    echo "  $dc_base run --rm web createuser"
+    echo ""
+  else
+    $dcr web upgrade --create-kafka-topics
+  fi
 else
-  $dcr web upgrade --create-kafka-topics
+  echo "Skipped DB migrations due to SKIP_DB_MIGRATIONS=$SKIP_DB_MIGRATIONS"
 fi
-
 echo "${_endgroup}"