Add the ability to sync AlertManager configuration with Cortex

README.md

@@ -13,6 +13,8 @@ This action is configured using environment variables defined in the workflow. T
 | `CORTEX_API_KEY`   | Optional password that is required for password protected Cortex clusters. An encrypted [github secret](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/creating-and-using-encrypted-secrets ) is recommended. | `false`  | N/A     |
 | `ACTION`           | Which action to take. One of `lint`, `prepare`, `check`, `diff` or `sync`                                                                                                                                                                  | `true`   | N/A     |
 | `RULES_DIR`        | Comma-separated list of directories to walk in order to source rules files                                                                                                                                                                 | `false`  | `./`    |
+|	`COMPONENT`		 | `RULER` or `ALERTMANAGER`. This dictates whether to sync ruler rulegroups or AlertManager configurations	| `true`	|	N/A		|
+| `ALERTMANAGER_CONFIG_PATH` | Path to the tenants AlertManager configuration | `true` If `COMPONENT` is set to `ALERTMANAGER` | `./alertManager.yml`
 
 ## Actions
 
@@ -74,7 +76,7 @@ jobs:
           CORTEX_TENANT_ID: 1
           CORTEX_API_KEY: ${{ secrets.CORTEX_API_KEY }} # Encrypted Github Secret https://help.github.com/en/actions/automating-your-workflow-with-github-actions/creating-and-using-encrypted-secrets
           ACTION: diff
-          RULES_DIR: "./rules/" # In this example rules are stored in a rules directory in the repo 
+          RULES_DIR: "./rules/" # In this example rules are stored in a rules directory in the repo
       - name: comment PR
         uses: unsplash/[email protected] # https://github.com/unsplash/comment-on-pr
         env:
@@ -108,5 +110,30 @@ jobs:
           CORTEX_TENANT_ID: 1
           CORTEX_API_KEY: ${{ secrets.CORTEX_API_KEY }} # Encrypted Github Secret https://help.github.com/en/actions/automating-your-workflow-with-github-actions/creating-and-using-encrypted-secrets
           ACTION: sync
-          RULES_DIR: "./rules/" # In this example rules are stored in a rules directory in the repo 
+          RULES_DIR: "./rules/" # In this example rules are stored in a rules directory in the repo
 ```
+
+The following workflow will sync the AlertManager configuration file in the `master` branch against the configured Cortex cluster
+```yaml
+name: sync_alertmanager_master
+on:
+ push:
+   branches:
+     - master
+jobs:
+  sync-master:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          ref: master
+      - name: sync-alertmanager
+        uses: grafana//[email protected]
+        env:
+          CORTEX_ADDRESS: https://example-cluster.com/
+          CORTEX_TENANT_ID: 1
+          CORTEX_API_KEY: ${{ secrets.CORTEX_API_KEY }} # Encrypted Github Secret https://help.github.com/en/actions/automating-your-workflow-with-github-actions/creating-and-using-encrypted-secrets
+          ACTION: sync
+          COMPONENT: ALERTMANAGER
+          ALERTMANAGER_CONFIG_PATH: "./alertmanager/config.yml" # In this example the AlertManager config is stored in the `alertmanager/` directory in the repository```

entrypoint.sh

@@ -27,48 +27,66 @@ SYNC_CMD=sync
 DIFF_CMD=diff
 PRINT_CMD=print
 
+if [ -z "${COMPONENT}" ]; then
+  echo "COMPONENT not set, select either RULER or ALERTMANAGER"
+  exit 1
+fi
+
 if [ -z "${RULES_DIR}" ]; then
   echo "RULES_DIR not set, using './' as a default."
   RULES_DIR="./"
 fi
 
+if [ ${COMPONENT} == "ALERTMANAGER" ] && [ -z "${ALERTMANAGER_CONFIG_PATH}" ]; then
+  echo "No ALERTMANAGER_CONFIG_PATH variable set. Defaulting to ./alertManager.yml"
+  ALERTMANAGER_CONFIG_PATH=./alertManager.yml
+fi
+
 if [ -z "${ACTION}" ]; then
   err "ACTION has not been set."
   exit 1
 fi
 
-case "${ACTION}" in
-  $SYNC_CMD)
-    verifyTenantAndAddress
-    OUTPUT=$(/usr/bin/cortextool rules sync --rule-dirs="${RULES_DIR}" "$@")
-    STATUS=$?
-    ;;
-  $DIFF_CMD)
-    verifyTenantAndAddress
-    OUTPUT=$(/usr/bin/cortextool rules diff --rule-dirs="${RULES_DIR}" "$@")
-    STATUS=$?
-    ;;
-  $LINT_CMD)
-    OUTPUT=$(/usr/bin/cortextool rules lint --rule-dirs="${RULES_DIR}" "$@")
-    STATUS=$?
-    ;;
-  $PREPARE_CMD)
-    OUTPUT=$(/usr/bin/cortextool rules prepare -i --rule-dirs="${RULES_DIR}" "$@")
-    STATUS=$?
-    ;;
-  $CHECK_CMD)
-    OUTPUT=$(/usr/bin/cortextool rules check --rule-dirs="${RULES_DIR}" "$@")
-    STATUS=$?
-    ;;
-  $PRINT_CMD)
-      OUTPUT=$(/usr/bin/cortextool rules print "$@")
+if [ "${COMPONENT}" == "RULER" ]; then
+  case "${ACTION}" in
+    $SYNC_CMD)
+      verifyTenantAndAddress
+      OUTPUT=$(/usr/bin/cortextool rules sync --rule-dirs="${RULES_DIR}" "$@")
       STATUS=$?
       ;;
-  *)
-    err "Unexpected action '${ACTION}'"
-    exit 1
-    ;;
-esac
+    $DIFF_CMD)
+      verifyTenantAndAddress
+      OUTPUT=$(/usr/bin/cortextool rules diff --rule-dirs="${RULES_DIR}" "$@")
+      STATUS=$?
+      ;;
+    $LINT_CMD)
+      OUTPUT=$(/usr/bin/cortextool rules lint --rule-dirs="${RULES_DIR}" "$@")
+      STATUS=$?
+      ;;
+    $PREPARE_CMD)
+      OUTPUT=$(/usr/bin/cortextool rules prepare -i --rule-dirs="${RULES_DIR}" "$@")
+      STATUS=$?
+      ;;
+    $CHECK_CMD)
+      OUTPUT=$(/usr/bin/cortextool rules check --rule-dirs="${RULES_DIR}" "$@")
+      STATUS=$?
+      ;;
+    $PRINT_CMD)
+        OUTPUT=$(/usr/bin/cortextool rules print "$@")
+        STATUS=$?
+        ;;
+    *)
+      err "Unexpected action '${ACTION}'"
+      exit 1
+      ;;
+  esac
+elif [ "${COMPONENT}" == "ALERTMANAGER" ]; then
+  OUTPUT=$(/usr/bin/cortextool alertmanager load ${ALERTMANAGER_CONFIG_PATH})
+  STATUS=$?
+else
+  echo "Invalid component selected, use RULER or ALERTMANAGER"
+  exit 1
+fi
 
 echo "${OUTPUT}"
 echo ::set-output name=detailed::"${OUTPUT}"