Fix/vault token reneval (#13)

* Fix not working renewal script

* Also renew token used for vault metrics

Author: JoonaHa

ewc/jobs.tf

@@ -46,16 +46,27 @@ resource "kubernetes_cron_job_v1" "vault_token_renewal" {
                 value = vault_kubernetes_auth_backend_role.cron-job.role_name
               }
 
-              env {
-                name = "TOKENS_TO_RENEW"
-                value_from {
-                  secret_key_ref {
-                    name = kubernetes_secret.vault_jobs_secrets.metadata.0.name
-                    key  = "TOKENS_TO_RENEW"
-                  }
-                }
+
+              volume_mount {
+                name       = "tokens-volume"
+                mount_path = "/tmp/secret/tokens"
+                sub_path   = "tokens"
               }
 
+
+
+            }
+
+            volume {
+              name = "tokens-volume"
+              secret {
+                secret_name = kubernetes_secret.vault_jobs_secrets.metadata.0.name
+                items {
+
+                  key  = "TOKENS_TO_RENEW"
+                  path = "tokens"
+                }
+              }
             }
           }
         }
@@ -127,7 +138,7 @@ resource "kubernetes_secret" "vault_jobs_secrets" {
   data = {
     AWS_ACCESS_KEY_ID     = var.s3_bucket_access_key
     AWS_SECRET_ACCESS_KEY = var.s3_bucket_secret_key
-    TOKENS_TO_RENEW       = "(${join(" ", [vault_token.apisix-global.client_token, vault_token.dev-portal-global.client_token])})"
+    TOKENS_TO_RENEW       = "${join("\n", [vault_token.apisix-global.client_token, vault_token.dev-portal-global.client_token, vault_token.prometheus])}"
   }
 
   type = "Opaque"

ewc/jobs/vault-token-renewal.sh

@@ -8,7 +8,9 @@ source /usr/local/bin/common-functions.sh
 # Variables
 VAULT_ADDR=${VAULT_ADDR}
 VAULT_ROLE=${VAULT_ROLE}
-TOKENS=(${TOKENS_TO_RENEW})
+
+readarray -t TOKENS < /tmp/secret/tokens
+
 
 # Check required variables
 check_var "VAULT_ADDR" "$VAULT_ADDR"
@@ -25,14 +27,12 @@ export VAULT_TOKEN=$(vault write -field=token auth/kubernetes/login \
   role=$VAULT_ROLE \
   jwt=$SA_TOKEN)
 
-index=0
-for token in "${TOKENS[@]}"; do
+for index in "${!TOKENS[@]}"; do
     echo "Renewing token index $index ..."
-    vault token renew $token > /dev/null || {
+    vault token renew "${TOKENS[$index]}" > /dev/null || {
       echo "Error renewing $index"
       error_occurred=true
     }
-    ((index++))
 done
 
 if [ "$error_occurred" = true ]; then