From 2db64ed6edec7bca757efb8801de3d1b3989b30c Mon Sep 17 00:00:00 2001
From: Dirk Uys <dirkcuys@gmail.com>
Date: Fri, 2 Jul 2021 14:37:26 +0200
Subject: [PATCH] Update monitor role to run a daily check for running
 containers

---
 roles/knight-rabbitmq/tasks/main.yml          | 16 ----------------
 roles/learningcircles-app/files/robots.txt    |  2 --
 roles/monitor/files/p2pu-netwell/checks.py    | 19 +++++++++++++++++++
 .../files/p2pu-netwell/requirements.txt       |  2 ++
 roles/monitor/tasks/main.yml                  |  2 +-
 5 files changed, 22 insertions(+), 19 deletions(-)
 delete mode 100644 roles/knight-rabbitmq/tasks/main.yml
 delete mode 100644 roles/learningcircles-app/files/robots.txt

diff --git a/roles/knight-rabbitmq/tasks/main.yml b/roles/knight-rabbitmq/tasks/main.yml
deleted file mode 100644
index 1c3be96..0000000
--- a/roles/knight-rabbitmq/tasks/main.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-# This role install a rabbitmq server
-
----
-- name: RabbitMQ docker container
-  docker:
-    docker_api_version: 1.23
-    name: knight-rabbitmq
-    hostname: knight-rabbitmq
-    image: rabbitmq:3
-    pull: always
-    state: reloaded
-    restart_policy: always
-    volumes:
-    - "/var/p2pu/volumes/knight-rabbitmq:/var/lib/rabbitmq"
-    env:
-      RABBITMQ_NODENAME: "knight-rabbitmq"
diff --git a/roles/learningcircles-app/files/robots.txt b/roles/learningcircles-app/files/robots.txt
deleted file mode 100644
index 09c37fe..0000000
--- a/roles/learningcircles-app/files/robots.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-user-agent: *
-allow: /
diff --git a/roles/monitor/files/p2pu-netwell/checks.py b/roles/monitor/files/p2pu-netwell/checks.py
index 8e7eb50..88c94ad 100644
--- a/roles/monitor/files/p2pu-netwell/checks.py
+++ b/roles/monitor/files/p2pu-netwell/checks.py
@@ -12,3 +12,22 @@
 Path('/').free_space(gb=2)
 #Path('/var/log/syslog').modified_within(hours=1)
 #Repo('/home/deploy/src/project').is_clean()
+
+import docker
+import os
+DOMAIN = os.environ.get('DOMAIN')
+client = docker.from_env()
+containers = [c.name for c in client.containers.list()]
+expected_container = [
+    'p2pu-nginx',
+    f'{DOMAIN}-celerybeat',
+    f'{DOMAIN}-celery',
+    f'{DOMAIN}',
+    'nginx-letsencrypt-companion',
+    'learningcircles-rabbitmq',
+    'p2pu-postgres',
+    'fluentd',
+]
+for c in expected_container:
+    oknotok = "OK" if c in containers else "ERROR"
+    print(f'Checking that docker container {c} is running: {oknotok}')
diff --git a/roles/monitor/files/p2pu-netwell/requirements.txt b/roles/monitor/files/p2pu-netwell/requirements.txt
index 06d010f..276a5c6 100644
--- a/roles/monitor/files/p2pu-netwell/requirements.txt
+++ b/roles/monitor/files/p2pu-netwell/requirements.txt
@@ -1,8 +1,10 @@
 certifi==2020.6.20
 chardet==3.0.4
+docker==5.0.0
 idna==2.10
 netwell==0.4.0
 python-dateutil==2.8.1
 requests==2.24.0
 six==1.15.0
 urllib3==1.25.10
+websocket-client==1.1.0
diff --git a/roles/monitor/tasks/main.yml b/roles/monitor/tasks/main.yml
index ccc2f03..61482e2 100644
--- a/roles/monitor/tasks/main.yml
+++ b/roles/monitor/tasks/main.yml
@@ -30,4 +30,4 @@
     name: "check dirs"
     minute: "0"
     hour: "2"
-    job: "docker run --rm -t --env-file /usr/local/etc/p2pu-netwell.env p2pu/netwell-mailer"
+    job: "docker run -v /var/run/docker.sock:/var/run/docker.sock:ro --rm -t --env-file /usr/local/etc/p2pu-netwell.env p2pu/netwell-mailer"