Github Enterprise support for github tasks

(cherry picked from commit 5e71cc4e71)

github/README.md

@@ -5,7 +5,7 @@ API](https://developer.github.com/v3/).
 
 ## GitHub token
 
-Most tasks would expect to have a secret set in the kubernetes secret `github-secret`
+Most tasks would expect to have a secret set in the kubernetes secret `github`
 with a GitHub token in the key `token`, you can easily create it on the
 command line with `kubectl` like this :
 
@@ -32,6 +32,7 @@ kubectl apply -f https://raw.githubusercontent.com/tektoncd/catalog/master/githu
 
 * **REPO_FULL_NAME:**: The GitHub repository full name, _e.g:_ `tektoncd/catalog`
 * **GITHUB_HOST_URL:**: The GitHub host domain _default:_ `api.github.com`
+* **API_PATH_PREFIX:**: The GitHub Enterprise has a prefix for the API path. _e.g:_ `/api/v3`
 * **SHA:**: The commit SHA to set the status for _e.g_: `tektoncd/catalog`
 * **TARGET_URL:**: The target URL to associate with this status. This URL will
   be linked from the GitHub UI to allow users to easily see the source of the
@@ -87,6 +88,7 @@ kubectl apply -f https://raw.githubusercontent.com/tektoncd/catalog/master/githu
 ### Parameters
 
 * **GITHUB_HOST_URL:**: The GitHub host domain (_default:_ `api.github.com`)
+* **API_PATH_PREFIX:**: The GitHub Enterprise has a prefix for the API path. _e.g:_ `/api/v3`
 * **REQUEST_URL:**: The GitHub pull request or issue url, _e.g:_
   `https://github.com/tektoncd/catalog/issues/46`
 * **COMMENT:**: The actual comment to add _e.g:_ `don't forget to eat your vegetables before commiting.`.
@@ -136,6 +138,7 @@ kubectl apply -f https://raw.githubusercontent.com/tektoncd/catalog/master/githu
 ### Parameters
 
 * **GITHUB_HOST_URL:**: The GitHub host domain (_default:_ `api.github.com`)
+* **API_PATH_PREFIX:**: The GitHub Enterprise has a prefix for the API path. _e.g:_ `/api/v3`
 * **REQUEST_URL:**: The GitHub pull request or issue url, (_e.g:_
   `https://github.com/tektoncd/catalog/issues/46`)
 

github/add_comment.yaml

@@ -11,13 +11,24 @@ spec:
     description: |
       The GitHub host, adjust this if you run a GitHub enteprise.
     default: "api.github.com"
+    type: string
+
+  - name: API_PATH_PREFIX
+    description: |
+      The API path prefix, GitHub Enterprise has a prefix e.g. /api/v3
+    default: ""
+    type: string
+
   - name: REQUEST_URL
     description: |
       The GitHub issue or pull request URL where we want to add a new
       comment.
+    type: string
+
   - name: COMMENT
     description: |
       The actual comment to add.
+    type: string
   steps:
     - name: add-comment
       env:
@@ -40,7 +51,7 @@ spec:
 
         # This will convert https://github.com/foo/bar/pull/202 to
         # api url path /repos/foo/issues/202
-        api_url = "/repos/" + "/".join(split_url[1:3]) + \
+        api_url = "$(params.API_PATH_PREFIX)" + "/repos/" + "/".join(split_url[1:3]) + \
                   "/issues/" + split_url[-1]
 
         # Trying to avoid quotes issue as much as possible by using triple

github/close_issue.yaml

@@ -11,10 +11,19 @@ spec:
     description: |
       The GitHub host, adjust this if you run a GitHub enteprise.
     default: "api.github.com"
+    type: string
+
+  - name: API_PATH_PREFIX
+    description: |
+      The API path prefix, GitHub Enterprise has a prefix e.g. /api/v3
+    default: ""
+    type: string
+
   - name: REQUEST_URL
     description: |
       The GitHub issue or pull request URL where we want to add a new
       comment.
+    type: string
   steps:
     - name: close-issue
       env:
@@ -37,7 +46,7 @@ spec:
 
         # This will convert https://github.com/foo/bar/pull/202 to
         # api url path /repos/foo/issues/202
-        api_url = "/repos/" + "/".join(split_url[1:3]) + \
+        api_url = "$(params.API_PATH_PREFIX)" + "/repos/" + "/".join(split_url[1:3]) + \
                   "/issues/" + split_url[-1]
 
         # Trying to avoid quotes issue as much as possible by using triple

github/set_status.yaml

@@ -12,29 +12,48 @@ spec:
     description: |
       The GitHub host, adjust this if you run a GitHub enteprise.
     default: "api.github.com"
+    type: string
+
+  - name: API_PATH_PREFIX
+    description: |
+      The API path prefix, GitHub Enterprise has a prefix e.g. /api/v3
+    default: ""
+    type: string
+
   - name: REPO_FULL_NAME
     description: |
       The GitHub repository full name, i.e: tektoncd/catalog
+    type: string
+
   - name: SHA
     description: |
       Commit SHA to set the status for.
+    type: string
+
   - name: TARGET_URL
     description: |
       The target URL to associate with this status. This URL will be linked
       from the GitHub UI to allow users to easily see the source of the
       status.
+    type: string
+
   - name: DESCRIPTION
     description: |
       A short description of the status.
+    type: string
+
   - name: CONTEXT
     description: |
       The GitHub context, A string label to differentiate this status from
       the status of other systems. ie: "continuous-integration/tekton"
     default: "continuous-integration/tekton"
+    type: string
+
   - name: STATE
     description: |
       The state of the status. Can be one of the following `error`,
       `failure`, `pending`, or `success`.
+    type: string
   steps:
     - name: set-status
       env:
@@ -51,7 +70,7 @@ spec:
         import os
         import http.client
 
-        status_url = "/repos/$(params.REPO_FULL_NAME)/" + \
+        status_url = "$(params.API_PATH_PREFIX)" + "/repos/$(params.REPO_FULL_NAME)/" + \
             "statuses/$(params.SHA)"
 
         data = {