diff --git a/data/hostname/indexer-worker01.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/indexer-worker01.euwest.azure.internal.softwareheritage.org.yaml
--- a/data/hostname/indexer-worker01.euwest.azure.internal.softwareheritage.org.yaml
+++ b/data/hostname/indexer-worker01.euwest.azure.internal.softwareheritage.org.yaml
@@ -17,3 +17,4 @@
       - relatime
       - rw
 
+swh::deploy::waagent::swap::size_mb: 14336
diff --git a/data/hostname/indexer-worker02.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/indexer-worker02.euwest.azure.internal.softwareheritage.org.yaml
--- a/data/hostname/indexer-worker02.euwest.azure.internal.softwareheritage.org.yaml
+++ b/data/hostname/indexer-worker02.euwest.azure.internal.softwareheritage.org.yaml
@@ -17,3 +17,4 @@
       - relatime
       - rw
 
+swh::deploy::waagent::swap::size_mb: 14336
diff --git a/data/hostname/indexer-worker03.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/indexer-worker03.euwest.azure.internal.softwareheritage.org.yaml
--- a/data/hostname/indexer-worker03.euwest.azure.internal.softwareheritage.org.yaml
+++ b/data/hostname/indexer-worker03.euwest.azure.internal.softwareheritage.org.yaml
@@ -17,3 +17,4 @@
       - relatime
       - rw
 
+swh::deploy::waagent::swap::size_mb: 14336
diff --git a/data/hostname/indexer-worker04.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/indexer-worker04.euwest.azure.internal.softwareheritage.org.yaml
--- a/data/hostname/indexer-worker04.euwest.azure.internal.softwareheritage.org.yaml
+++ b/data/hostname/indexer-worker04.euwest.azure.internal.softwareheritage.org.yaml
@@ -16,3 +16,4 @@
       - relatime
       - rw
 
+swh::deploy::waagent::swap::size_mb: 14336
diff --git a/data/hostname/indexer-worker05.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/indexer-worker05.euwest.azure.internal.softwareheritage.org.yaml
--- a/data/hostname/indexer-worker05.euwest.azure.internal.softwareheritage.org.yaml
+++ b/data/hostname/indexer-worker05.euwest.azure.internal.softwareheritage.org.yaml
@@ -16,3 +16,4 @@
       - relatime
       - rw
 
+swh::deploy::waagent::swap::size_mb: 14336
diff --git a/data/hostname/indexer-worker06.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/indexer-worker06.euwest.azure.internal.softwareheritage.org.yaml
--- a/data/hostname/indexer-worker06.euwest.azure.internal.softwareheritage.org.yaml
+++ b/data/hostname/indexer-worker06.euwest.azure.internal.softwareheritage.org.yaml
@@ -16,3 +16,4 @@
       - relatime
       - rw
 
+swh::deploy::waagent::swap::size_mb: 14336
diff --git a/site-modules/profile/manifests/swh/deploy/waagent.pp b/site-modules/profile/manifests/swh/deploy/waagent.pp
new file mode 100644
--- /dev/null
+++ b/site-modules/profile/manifests/swh/deploy/waagent.pp
@@ -0,0 +1,34 @@
+class profile::swh::deploy::waagent {
+  $filepath = '/etc/waagent.conf'
+
+  # If present, then activate swap in $filepath
+  $swap_size_mb = lookup('swh::deploy::waagent::swap::size_mb', default_value => '0')
+  $pattern_swap = 'ResourceDisk.EnableSwap'
+  $pattern_swap_size_mb = 'ResourceDisk.SwapSizeMB'
+
+  if $swap_size_mb != '0' {
+    # Make sure the file exists, should have been installed by azure vm provisionning
+    file {$filepath:
+      ensure => present,
+      owner  => 'root',
+      group  => 'root',
+      mode   => '0644',
+    }
+
+    file_line {$pattern_swap:
+      ensure  => present,
+      path    => $filepath,
+      line    => "${pattern_swap}=y",
+      match   => "^${pattern_swap}=n",
+      require => File[$filepath],
+    }
+
+    file_line {$pattern_swap_size_mb:
+      ensure  => present,
+      path    => $filepath,
+      line    => "${pattern_swap_size_mb}=${swap_size_mb}",
+      match   => "^${pattern_swap_size_mb}=0",
+      require => File[$filepath],
+    }
+  }
+}
diff --git a/site-modules/role/manifests/swh_worker_azure.pp b/site-modules/role/manifests/swh_worker_azure.pp
--- a/site-modules/role/manifests/swh_worker_azure.pp
+++ b/site-modules/role/manifests/swh_worker_azure.pp
@@ -2,4 +2,5 @@
 
 class role::swh_worker_azure inherits role::swh_worker {
   include ::profile::swh::deploy::objstorage_cloud
+  include ::profile::swh::deploy::waagent
 }