From 0f849f2e10fb1faaa31303bc710f6606d31f1b02 Mon Sep 17 00:00:00 2001
From: ducoterra <ducoterra@gmail.com>
Date: Mon, 12 Oct 2020 15:56:04 -0400
Subject: [PATCH] add jf-detector

---
 .gitignore                      |  2 ++
 Dockerfile                      |  7 +++++++
 docker-compose.yaml             |  4 ++++
 jellyfin/templates/cronjob.yaml | 18 +++++++++++++++++
 jellyfin/templates/deploy.yaml  |  4 ++--
 jellyfin/values.yaml            |  8 ++++++++
 jf-detector.py                  | 34 +++++++++++++++++++++++++++++++++
 requirements.txt                |  1 +
 8 files changed, 76 insertions(+), 2 deletions(-)
 create mode 100644 .gitignore
 create mode 100644 Dockerfile
 create mode 100644 jellyfin/templates/cronjob.yaml
 create mode 100644 jf-detector.py
 create mode 100644 requirements.txt

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ba1e329
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+venv/
+.vscode/
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..dea1a17
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,7 @@
+FROM python:latest
+
+COPY requirements.txt ./
+RUN pip install -r requirements.txt
+
+COPY jf-detector.py ./
+CMD python jf-detector.py
\ No newline at end of file
diff --git a/docker-compose.yaml b/docker-compose.yaml
index 9da9472..af6af49 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -11,6 +11,10 @@ services:
       - "8080:8096"
       - "8443:8920"
       - "1900:1900"
+  jf-detector:
+    image: hub.ducoterra.net/ducoterra/jf-detector:0.0.4
+    build: .
+    command: sleep infinity
 
 volumes:
   jf-data:
diff --git a/jellyfin/templates/cronjob.yaml b/jellyfin/templates/cronjob.yaml
new file mode 100644
index 0000000..84a8b9e
--- /dev/null
+++ b/jellyfin/templates/cronjob.yaml
@@ -0,0 +1,18 @@
+{{ if .Values.install.jf_detector }}
+apiVersion: batch/v1beta1
+kind: CronJob
+metadata:
+  name: jf-detector
+spec:
+  schedule: "*/1 * * * *"
+  successfulJobsHistoryLimit: 1
+  failedJobsHistoryLimit: 1
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          containers:
+          - name: jf-detector
+            image: {{ .Values.jf_detector.image }}
+          restartPolicy: Never
+{{ end }}
\ No newline at end of file
diff --git a/jellyfin/templates/deploy.yaml b/jellyfin/templates/deploy.yaml
index d636430..8bd62d9 100644
--- a/jellyfin/templates/deploy.yaml
+++ b/jellyfin/templates/deploy.yaml
@@ -12,7 +12,7 @@ spec:
         app: {{ .Release.Name }}
     spec:
       containers:
-      - image: jellyfin/jellyfin:10.6.4
+      - image: {{ .Values.jellyfin.image }}
         name: jellyfin
         env:
         - name: NODE_NAME
@@ -44,7 +44,7 @@ spec:
         resources:
           limits:
             memory: "8Gi"
-            cpu: "8"
+            cpu: "4"
           requests:
             memory: "1Mi"
             cpu: "1m"
diff --git a/jellyfin/values.yaml b/jellyfin/values.yaml
index e69de29..144bfb7 100644
--- a/jellyfin/values.yaml
+++ b/jellyfin/values.yaml
@@ -0,0 +1,8 @@
+install:
+  jf_detector: true
+
+jf_detector:
+  image: hub.ducoterra.net/ducoterra/jf-detector:0.0.4
+
+jellyfin:
+  image: jellyfin/jellyfin:10.6.4
\ No newline at end of file
diff --git a/jf-detector.py b/jf-detector.py
new file mode 100644
index 0000000..472102e
--- /dev/null
+++ b/jf-detector.py
@@ -0,0 +1,34 @@
+from kubernetes import client, config
+from requests.exceptions import ReadTimeout
+
+import requests
+import logging
+import sys
+
+logging.basicConfig(format='%(asctime)s %(message)s', level=logging.INFO)
+
+try:
+    r = requests.get("https://jellyfin.ducoterra.net/users/public", timeout=5)
+    logging.info('Jellyfin up. Exiting.')
+    sys.exit(0)
+except ReadTimeout as e:
+    logging.warning(e)
+    try:
+        logging.info('Trying incluster config')
+        config.load_incluster_config()
+        logging.info('Incluster config loaded')
+    except:
+        logging.info('Incluster config failed. Trying standard config')
+        config.load_kube_config()
+        logging.info('Standard config loaded')
+    v1 = client.CoreV1Api()
+    logging.info('Listing all pods in namespace ducoterra')
+    ret = v1.list_namespaced_pod(namespace="ducoterra")
+    jellyfin_pod = list(filter(lambda item: 'jellyfin' in item.metadata.name, ret.items))
+    logging.info(f'Found {len(jellyfin_pod)} pods')
+    if len(jellyfin_pod) > 0:
+        logging.warning('deleting jellyfin pod')
+        v1.delete_namespaced_pod(jellyfin_pod[0].metadata.name,'ducoterra')
+    else:
+        logging.error('no jellyfin pods found, not deleting')
+    sys.exit(1)
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..19eea4a
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+kubernetes==11.0.0
\ No newline at end of file