Add packages

- Add the packages that help the operator work as expected.
- Update `go.mod` by running `go mod tidy`.

pkg/onepassword/containers.go

@@ -0,0 +1,53 @@
+package onepassword
+
+import (
+	corev1 "k8s.io/api/core/v1"
+)
+
+func AreContainersUsingSecrets(containers []corev1.Container, secrets map[string]*corev1.Secret) bool {
+	for i := 0; i < len(containers); i++ {
+		envVariables := containers[i].Env
+		for j := 0; j < len(envVariables); j++ {
+			if envVariables[j].ValueFrom != nil && envVariables[j].ValueFrom.SecretKeyRef != nil {
+				_, ok := secrets[envVariables[j].ValueFrom.SecretKeyRef.Name]
+				if ok {
+					return true
+				}
+			}
+		}
+		envFromVariables := containers[i].EnvFrom
+		for j := 0; j < len(envFromVariables); j++ {
+			if envFromVariables[j].SecretRef != nil {
+				_, ok := secrets[envFromVariables[j].SecretRef.Name]
+				if ok {
+					return true
+				}
+			}
+		}
+	}
+	return false
+}
+
+func AppendUpdatedContainerSecrets(containers []corev1.Container, secrets map[string]*corev1.Secret, updatedDeploymentSecrets map[string]*corev1.Secret) map[string]*corev1.Secret {
+	for i := 0; i < len(containers); i++ {
+		envVariables := containers[i].Env
+		for j := 0; j < len(envVariables); j++ {
+			if envVariables[j].ValueFrom != nil && envVariables[j].ValueFrom.SecretKeyRef != nil {
+				secret, ok := secrets[envVariables[j].ValueFrom.SecretKeyRef.Name]
+				if ok {
+					updatedDeploymentSecrets[secret.Name] = secret
+				}
+			}
+		}
+		envFromVariables := containers[i].EnvFrom
+		for j := 0; j < len(envFromVariables); j++ {
+			if envFromVariables[j].SecretRef != nil {
+				secret, ok := secrets[envFromVariables[j].SecretRef.LocalObjectReference.Name]
+				if ok {
+					updatedDeploymentSecrets[secret.Name] = secret
+				}
+			}
+		}
+	}
+	return updatedDeploymentSecrets
+}