added secret_ops::docker_login

Author: tomzo

CHANGELOG.md

@@ -1,3 +1,6 @@
+### 0.7.0 (2019-May-01)
+* added `secret_ops::docker_login`
+
 ### 0.6.3 (2019-Apr-23)
 
  * added license notes

src/secret-ops

@@ -104,3 +104,12 @@ function secret_ops::insert_vault_token_gocd_yaml {
 function secret_ops::insert_vault_token_gocd_yaml2 {
   secret_ops::insert_vault_token_gocd_yaml  $1
 }
+
+function secret_ops::docker_login {
+  vault_user_path=$USER
+  if [ $vault_user_path == "go" ]; then
+    vault_user_path="gocd"
+  fi
+  dockerhub_user=$(vault read -field=user secret/$vault_user_path/dockerhub)
+  vault read -field=password secret/$vault_user_path/dockerhub | docker login --username $dockerhub_user --password-stdin
+}

test/bats/01.bats

@@ -62,3 +62,11 @@ load '/opt/bats-assert/load.bash'
   echo "output: $output"
   assert_equal "$status" 0
 }
+
+@test "secret_ops::docker_login should succeed" {
+  run /bin/bash -c "source src/secret-ops && secret_ops::docker_login"
+  assert_line --partial "Login Succeeded"
+  # this is printed on test failure
+  echo "output: $output"
+  assert_equal "$status" 0
+}