refactoring: Breakdown fission-all chart into components and removed fission-core (#2224)

* Sync a few files from fission-all to fission-core chart
* Change values in fission-all chart
We keep the following components by default disabled now, which were enabled by default earlier.

1. nats - Fission Nats integration
2. influxdb - Influxdb and logger component
3. prometheus - Prometheus disabled by default
4. canaryDeployment - Disabled by default

This change reduces the need for a fission-core chart and we can configure
values of fission-all so that it can provide the behaviour of fission-all
as well as fission-core.

* Remove fission-core chart
* Add README in the fission-all chart
* Rename clusterrolebinding fission-crd to fission-cr-admin
* Add icon and sources in helm chart

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

charts/fission-all/values.yaml

@@ -16,22 +16,18 @@ repository: index.docker.io
 ## Fission image repository
 image: fission/fission-bundle
 
-## Image pull policy
-pullPolicy: IfNotPresent
-
 ## Fission image version
 imageTag: v1.15.0-rc1
 
+## Image pull policy
+pullPolicy: IfNotPresent
+
 ## Port at which Fission controller service should be exposed
 controllerPort: 31313
 
 ## Port at which Fission router service should be exposed
 routerPort: 31314
 
-## Port at which NATS streaming service should be exposed
-## (only if nats enabled and not external)
-natsStreamingPort: 31316
-
 ## Set to false if you create the namespaces manually
 createNamespace: true
 
@@ -63,31 +59,6 @@ fetcher:
       requests: "16Mi"
       limits: ""
 
-## Logger config
-logger:
-  influxdbAdmin: "admin"
-  fluentdImageRepository: index.docker.io
-  fluentdImage: fluent/fluent-bit
-  fluentdImageTag: 1.5.1
-
-  ## Fluent-bit writes/reads it’s own sqlite database to record a history of tracked
-  ## files and a state of offsets, this is very useful to resume a state if the ser-
-  ## vice is restarted. For Kubernetes environment with constraints like OpenShift,
-  ## the containers are limited to write hostPath volume. Hence, we have to enable
-  ## security context and set privileged to true.
-  enableSecurityContext: false
-
-  ## Enable PodSecurityPolicies to allow privileged container
-  ## Only required in some clusters and when enableSecurityContext is true
-  podSecurityPolicy:
-    enabled: false
-
-    ## Configure additional capabilities
-    additionalCapabilities:
-    # example values for linkerd
-    #- NET_RAW
-    #- NET_ADMIN
-
 executor:
   adoptExistingResources: false
   podReadyTimeout: 300s
@@ -173,7 +144,7 @@ router:
 ### NATS Streaming, enabled by default
 nats:
   # whether or not to use NATS
-  enabled: true
+  enabled: false
 
   # if true, don't install NATS, but
   external: false
@@ -198,6 +169,10 @@ nats:
   streamingserver:
     image: nats-streaming
 
+## Port at which NATS streaming service should be exposed
+## (only if nats enabled and not external)
+natsStreamingPort: 31316
+
 ## Azure-storage-queue: enable and configure the details
 azureStorageQueue:
   enabled: false
@@ -303,9 +278,35 @@ gaTrackingID: UA-196546703-1
 ## Enable Heapster only in clusters where heapster does not exist already
 heapster: false
 
+## Logger config
+## This would be used if influxdb is enabled
+logger:
+  influxdbAdmin: "admin"
+  fluentdImageRepository: index.docker.io
+  fluentdImage: fluent/fluent-bit
+  fluentdImageTag: 1.5.1
+
+  ## Fluent-bit writes/reads it’s own sqlite database to record a history of tracked
+  ## files and a state of offsets, this is very useful to resume a state if the ser-
+  ## vice is restarted. For Kubernetes environment with constraints like OpenShift,
+  ## the containers are limited to write hostPath volume. Hence, we have to enable
+  ## security context and set privileged to true.
+  enableSecurityContext: false
+
+  ## Enable PodSecurityPolicies to allow privileged container
+  ## Only required in some clusters and when enableSecurityContext is true
+  podSecurityPolicy:
+    enabled: false
+
+    ## Configure additional capabilities
+    additionalCapabilities:
+    # example values for linkerd
+    #- NET_RAW
+    #- NET_ADMIN
+
 ## Enable InfluxDB
 influxdb:
-  enabled: true
+  enabled: false
   image: influxdb:1.7
 
 # Allow user to override busybox image used in fluent-bit init container
@@ -329,7 +330,7 @@ debugEnv: false
 ## Prometheus for scrapping service metrics
 prometheus:
   ## set this flag to true if prometheus needs to be deployed along with fission
-  enabled: true
+  enabled: false
 
   ## If enabled is false, please assign the prometheus service URL
   ## that is accessible by components.
@@ -337,7 +338,7 @@ prometheus:
 
 ## set this flag to false if you dont need canary deployment feature
 canaryDeployment:
-  enabled: true
+  enabled: false
 
 # Use the following flags to enable OpenTracing.
 # Note: OpenTracing support will be removed in an upcoming release.