Adds some documentation on values.yaml (#94)

k8s_01/values.yaml

@@ -1,40 +1,66 @@
 image:
+  # Image will be downloaded from {repository}/{path}:{tag}
   repository: ghcr.io
   path: teragrep/k8s_01/app
   tag: latest
   pullPolicy: IfNotPresent
+
 config:
+  # Which port metrics service will be exposed to
   metrics:
     port: 12345
+  # Kubernetes configurations
   kubernetes:
+    # Base path where logs are read from. Uses {logdir}/{logfiles}
     logdir: /var/log/containers
+    # Kubernetes API url where metadata is asked from. Can be dynamically set with "K8S_01_KUBERNETES_URL" environment variable.
     url: https://127.0.0.1:8443
+    # Timezone used by the logs
     timezone: Europe/Helsinki
+    # How long API responses are cached
     cacheExpireInterval: 900
+    # How many api responses are cached
     cacheMaxEntries: 4096
     labels:
       hostname:
+        # Hostname to use if label not found
         fallback: fallback-hostname
+        # Which label to search for when looking for hostname
         labelStdout: host
+        # Which label to search for when looking for hostname for stderr streams. Uses labelStdout if set to null.
         labelStderr: host-stderr
       appname:
+        # Appname to use if label not found
         fallback: fallback-appname
+        # Which label to search for when looking for appname
         labelStdout: app
+        # Which label to search for when looking for appname for stderr streams. Uses labelStdout if set to null.
         labelStderr: app-stderr
       discard:
+        # Enable discarding of events when label exists and value is equal to "true", case insensitive
         enabled: false
+        # Label to search for
         label: if-found-discard-my-logs
+    # Regex for logfiles that are read. Uses {logdir}/{logfiles}
     logfiles:
       - example-pod_default_.*
       - second-pod_default_.*
+    # How many threads are spawned for each logfile. One relp connection will be opened for each logfile thread so there are total of len(logfiles)*maxLogReadingThreads relp connections.
     maxLogReadingThreads: 2
   relp:
+    # Relp target server. Can be set dynamically with "K8S_01_RELP_TARGET" environment variable.
     target: 127.0.0.1
+    # Relp target server port. Can be set dynamically with "K8S_01_RELP_PORT" environment variable
     port: 1601
+    # Timeouts and intervals, in milliseconds.
     connectionTimeout: 5000
     readTimeout: 5000
     writeTimeout: 5000
     reconnectInterval: 5000
+
+# Application logging level. For more information, see templates/configmap.yaml and log4j2.xml section
 logging:
   level: INFO
+
+# Which namespace it will be installed to.
 namespace: teragrep