From 4f95870c3376ca4b213082ce1c6a64ce032299ea Mon Sep 17 00:00:00 2001
From: Michele Cereda <cereda.michele@gmail.com>
Date: Thu, 22 Aug 2024 19:51:50 +0200
Subject: [PATCH] chore(gitlab): upgrade package-based instance

---
 knowledge base/cloud computing/aws/ebs.md | 7 +++++++
 snippets/ansible/commands.sh              | 3 ++-
 snippets/aws/commands.fish                | 7 +++++++
 snippets/gitlab/gitlab-runner.sh          | 2 ++
 snippets/gitlab/package installation.sh   | 8 ++++++++
 5 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/knowledge base/cloud computing/aws/ebs.md b/knowledge base/cloud computing/aws/ebs.md
index a94c1f8..a098d99 100644
--- a/knowledge base/cloud computing/aws/ebs.md	
+++ b/knowledge base/cloud computing/aws/ebs.md	
@@ -17,6 +17,13 @@ Persistent [block storage][what is block storage?] for [EC2 Instances][ec2].
 aws ec2 describe-volumes --output 'text' --filters 'Name=status,Values=available' \
   --query "Volumes[?CreateTime<'2018-03-31'].VolumeId" \
 | xargs -pn '1' aws ec2 delete-volume --volume-id
+
+# Check state of snapshots.
+aws ec2 describe-snapshots --snapshot-ids 'snap-0123456789abcdef0' \
+  --query 'Snapshots[].{"State": State,"Progress": Progress}' --output 'yaml'
+
+# Wait for snapshots to finish.
+aws ec2 wait snapshot-completed --snapshot-ids 'snap-0123456789abcdef0'
 ```
 
 </details>
diff --git a/snippets/ansible/commands.sh b/snippets/ansible/commands.sh
index 6ae4162..71a9994 100644
--- a/snippets/ansible/commands.sh
+++ b/snippets/ansible/commands.sh
@@ -51,7 +51,8 @@ ansible-playbook 'path/to/playbook.yml' --syntax-check
 # Ad-hoc commands.
 ansible -i 'hosts.yml' -m 'ping' 'all'
 ansible -i 'host-1,host-n,' 'hostRegex' -m 'ansible.builtin.shell' -a 'echo $TERM'
-ansible -i 'localhost ansible_python_interpreter=venv/bin/python3,' -c 'local' -m 'ansible.builtin.copy' -a 'src=/tmp/src' -a 'dest=/tmp/dest' 'localhost'
+ansible -i 'localhost ansible_python_interpreter=venv/bin/python3,' -c 'local' 'localhost' \
+	-m 'ansible.builtin.copy' -a 'src=/tmp/src' -a 'dest=/tmp/dest'
 
 ansible-vault encrypt_string --name 'command_output' 'somethingNobodyShouldKnow'
 ANSIBLE_VAULT_PASSWORD='ohSuchASecurePassword' ansible-vault encrypt --output 'ssh.key' '.ssh/id_rsa'
diff --git a/snippets/aws/commands.fish b/snippets/aws/commands.fish
index 745221e..acb672e 100644
--- a/snippets/aws/commands.fish
+++ b/snippets/aws/commands.fish
@@ -116,6 +116,13 @@ aws kms get-key-policy --output 'text' --key-id '01234567-89ab-cdef-0123-456789a
 aws ec2 describe-images --image-ids 'ami-01234567890abcdef'
 aws ec2 describe-images --image-ids 'ami-01234567890abcdef' --query 'Images[].Description'
 
+# Check state of snapshots.
+aws ec2 describe-snapshots --snapshot-ids 'snap-0123456789abcdef0' \
+	--query 'Snapshots[].{"State": State,"Progress": Progress}' --output 'yaml'
+
+# Wait for snapshots to finish.
+aws ec2 wait snapshot-completed --snapshot-ids 'snap-0123456789abcdef0'
+
 aws autoscaling describe-auto-scaling-groups
 aws autoscaling describe-auto-scaling-groups --auto-scaling-group-names 'ProductionServers'
 aws autoscaling start-instance-refresh --auto-scaling-group-name 'ProductionServers'
diff --git a/snippets/gitlab/gitlab-runner.sh b/snippets/gitlab/gitlab-runner.sh
index 2ae757a..9a54f45 100644
--- a/snippets/gitlab/gitlab-runner.sh
+++ b/snippets/gitlab/gitlab-runner.sh
@@ -33,3 +33,5 @@ gitlab-runner list -c '/etc/gitlab-runner/config.toml'
 gitlab-runner verify -c '/etc/gitlab-runner/config.toml'
 # Also delete runners that have been removed from the main instance
 gitlab-runner verify … --delete
+
+diff -y <(helm show values 'gitlab/gitlab-runner' --version '0.64.2') <(helm show values 'gitlab/gitlab-runner' --version '0.68.1')
diff --git a/snippets/gitlab/package installation.sh b/snippets/gitlab/package installation.sh
index ba39eac..0778326 100644
--- a/snippets/gitlab/package installation.sh	
+++ b/snippets/gitlab/package installation.sh	
@@ -103,6 +103,14 @@ sudo gitlab-ctl backup-etc \
 	| head -n '1' \
 	| xargs -pI '{}' aws s3 cp '/etc/gitlab/config_backup/'{} 's3://backups/gitlab/'
 
+# Put the instance in maintenance mode
+sudo gitlab-rails runner '
+	::Gitlab::CurrentSettings.update!(maintenance_mode: true);
+	::Gitlab::CurrentSettings.update!(maintenance_mode_message: "New message");
+'
+# Take the instance out of maintenance mode
+sudo gitlab-rails runner '::Gitlab::CurrentSettings.update!(maintenance_mode: false);'
+
 # Package upgrade
 sudo yum check-update
 sudo yum info 'gitlab-ee'                                              # informational