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-rw-r--r--ansible/cluster_nodes.yml21
-rw-r--r--ansible/roles/network/files/rules.v66
-rw-r--r--ansible/roles/network/templates/rules.v4.j25
3 files changed, 25 insertions, 7 deletions
diff --git a/ansible/cluster_nodes.yml b/ansible/cluster_nodes.yml
index 94521e6..d36a9d6 100644
--- a/ansible/cluster_nodes.yml
+++ b/ansible/cluster_nodes.yml
@@ -1,24 +1,31 @@
---
- hosts: cluster_nodes
- #serial: 1
roles:
- role: common
tags: base
-
- role: users
tags: account
-# UNSAFE
-# - role: network
-# tags: net
+# UNSAFE!! This section is disabled by default, to run it the flags -t net should be added
+# to the ansible playbook command line.
+# Reason: when rules.{v4,v6} are changed, the whole iptables configuration is reloaded.
+# This creates issues with Docker, which injects its own configuration in iptables when it starts.
+# In practice, most (all?) containers will break if rules.{v4,v6} are changed,
+# and docker will have to be restared.
+- hosts: cluster_nodes
+ roles:
+ - role: network
+ tags: [ net, never ]
+- hosts: cluster_nodes
+ serial: 1
+ roles:
- role: consul
tags: kv
-
- role: nomad
tags: orchestrator
-# UNSAFE
+# UNSAFE!! This section configures glusterfs. Once done, don't run it ever again as it may break stuff.
# - role: storage
# tags: sto
diff --git a/ansible/roles/network/files/rules.v6 b/ansible/roles/network/files/rules.v6
index 0f402bd..17ff71c 100644
--- a/ansible/roles/network/files/rules.v6
+++ b/ansible/roles/network/files/rules.v6
@@ -1,3 +1,9 @@
+# WARNING!! When rules.{v4,v6} are changed, the whole iptables configuration is reloaded.
+# This creates issues with Docker, which injects its own configuration in iptables when it starts.
+# In practice, most (all?) containers will break if rules.{v4,v6} are changed,
+# and docker will have to be restared.
+
+
*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
diff --git a/ansible/roles/network/templates/rules.v4.j2 b/ansible/roles/network/templates/rules.v4.j2
index a77852f..b60d1ee 100644
--- a/ansible/roles/network/templates/rules.v4.j2
+++ b/ansible/roles/network/templates/rules.v4.j2
@@ -1,3 +1,8 @@
+# WARNING!! When rules.{v4,v6} are changed, the whole iptables configuration is reloaded.
+# This creates issues with Docker, which injects its own configuration in iptables when it starts.
+# In practice, most (all?) containers will break if rules.{v4,v6} are changed,
+# and docker will have to be restared.
+
*filter
:INPUT DROP [0:0]