oracle · AmedeeBulle · Nov 18, 2022 · Jun 16, 2022
diff --git a/oracle-linux-image-tools/distr/ol7-slim/image-scripts.sh b/oracle-linux-image-tools/distr/ol7-slim/image-scripts.sh
@@ -16,19 +16,20 @@
 #######################################
 # Validate distribution parameters
 # Globals:
-#   ROOT_FS
+#   ROOT_FS TMP_IN_TMPFS UEK_RELEASE LINUX_FIRMWARE STRIP_LOCALES EXCLUDE_DOCS
 # Arguments:
 #   None
 # Returns:
 #   None
 #######################################
 distr::validate() {
   [[ "${ROOT_FS,,}" =~ ^(xfs)|(btrfs)|(lvm)$ ]] || error "ROOT_FS must be xfs, btrfs or lvm"
+  [[ "${TMP_IN_TMPFS,,}" =~ ^(yes)|(no)$ ]] || error "TMP_IN_TMPFS must be yes or no"
   [[ "${UEK_RELEASE}" =~ ^[56]$ ]] || error "UEK_RELEASE must be 5 or 6"
   [[ "${LINUX_FIRMWARE,,}" =~ ^(yes)|(no)$ ]] || error "LINUX_FIRMWARE must be yes or no"
   [[ "${STRIP_LOCALES,,}" =~ ^(yes)|(no)$ ]] || error "STRIP_LOCALES must be yes or no"
   [[ "${EXCLUDE_DOCS,,}" =~ ^(yes)|(no)|(minimal)$ ]] || error "EXCLUDE_DOCS must be yes, no or minimal"
-  readonly ROOT_FS UEK_RELEASE LINUX_FIRMWARE STRIP_LOCALES EXCLUDE_DOCS
+  readonly ROOT_FS TMP_IN_TMPFS UEK_RELEASE LINUX_FIRMWARE STRIP_LOCALES EXCLUDE_DOCS
 }
 
 #######################################
@@ -75,6 +76,9 @@ logvol /      --fstype=\"xfs\"  --vgname=vg_main --size=4096 --name=lv_root --gr
   if [[ "${EXCLUDE_DOCS,,}" = "yes" ]]; then
     sed -i -e 's!^%packages !%packages --excludedocs !' "${ks_file}"
   fi
+
+  # /tmp in tmpfs
+  sed -i -e "s!^TMP_IN_TMPFS=no!TMP_IN_TMPFS=$TMP_IN_TMPFS!" "${ks_file}"
 }
 
 #######################################

diff --git a/oracle-linux-image-tools/distr/ol7-slim/ol7-ks.cfg b/oracle-linux-image-tools/distr/ol7-slim/ol7-ks.cfg
@@ -235,4 +235,10 @@ fi
 sed -i -e 's/^DEFAULTKERNEL=.*/DEFAULTKERNEL='"${kernel}"'/' /etc/sysconfig/kernel
 
 yum install -y ${yum_options} ${kernel}
+
+# use tmpfs for /tmp
+TMP_IN_TMPFS=no
+if [[ "${TMP_IN_TMPFS,,}" == "yes" ]]; then
+  systemctl enable tmp.mount
+fi
 %end
diff --git a/oracle-linux-image-tools/distr/ol8-aarch64/image-scripts.sh b/oracle-linux-image-tools/distr/ol8-aarch64/image-scripts.sh
@@ -18,7 +18,7 @@
 #######################################
 # Validate distribution parameters
 # Globals:
-#   ISO_LABEL RESCUE_KERNEL ROOT_FS
+#   ROOT_FS TMP_IN_TMPFS UEK_RELEASE RESCUE_KERNEL ISO_LABEL LINUX_FIRMWARE KERNEL_MODULES EXCLUDE_DOCS
 # Arguments:
 #   None
 # Returns:
@@ -27,13 +27,14 @@
 distr::validate() {
   [[ "${ROOT_FS,,}" =~ ^(xfs)|(btrfs)|(lvm)$ ]] || error "ROOT_FS must be xfs, btrfs or lvm"
   [[ "${ROOT_FS,,}" = "btrfs" ]] && echo_message "Note that for btrfs root filesystem you need to use an UEK boot ISO"
+  [[ "${TMP_IN_TMPFS,,}" =~ ^(yes)|(no)$ ]] || error "TMP_IN_TMPFS must be yes or no"
   [[ "${UEK_RELEASE}" =~ ^[67]$ ]] || error "UEK_RELEASE must be 6 or 7"
   [[ "${RESCUE_KERNEL,,}" =~ ^(yes)|(no)$ ]] || error "RESCUE_KERNEL must be yes or no"
   [[ -n ${ISO_LABEL} ]] || error "ISO_LABEL must be provided"
   [[ "${LINUX_FIRMWARE,,}" =~ ^(yes)|(no)$ ]] || error "LINUX_FIRMWARE must be yes or no"
   [[ "${KERNEL_MODULES,,}" =~ ^(yes)|(no)$ ]] || error "KERNEL_MODULES must be yes or no"
   [[ "${EXCLUDE_DOCS,,}" =~ ^(yes)|(no)|(minimal)$ ]] || error "EXCLUDE_DOCS must be yes, no or minimal"
-  readonly ROOT_FS UEK_RELEASE RESCUE_KERNEL ISO_LABEL LINUX_FIRMWARE EXCLUDE_DOCS
+  readonly ROOT_FS TMP_IN_TMPFS UEK_RELEASE RESCUE_KERNEL ISO_LABEL LINUX_FIRMWARE KERNEL_MODULES EXCLUDE_DOCS
 }
 
 #######################################
@@ -101,6 +102,9 @@ logvol /      --fstype=\"xfs\"  --vgname=vg_main --size=4096 --name=lv_root --gr
   if [[ "${EXCLUDE_DOCS,,}" = "yes" ]]; then
     sed -i -e 's!^%packages!%packages --excludedocs!' "${ks_file}"
   fi
+
+  # /tmp in tmpfs
+  sed -i -e "s!^TMP_IN_TMPFS=no!TMP_IN_TMPFS=$TMP_IN_TMPFS!" "${ks_file}"
 }
 
 #######################################

diff --git a/oracle-linux-image-tools/distr/ol8-aarch64/ol8-aarch64-ks.cfg b/oracle-linux-image-tools/distr/ol8-aarch64/ol8-aarch64-ks.cfg
@@ -233,6 +233,11 @@ else
   dnf install -y ${dnf_options} ${kernel}
 fi
 
+# use tmpfs for /tmp
+TMP_IN_TMPFS=no
+if [[ "${TMP_IN_TMPFS,,}" == "yes" ]]; then
+  systemctl enable tmp.mount
+fi
 %end
 
 %addon com_redhat_kdump --disable

diff --git a/oracle-linux-image-tools/distr/ol8-slim/image-scripts.sh b/oracle-linux-image-tools/distr/ol8-slim/image-scripts.sh
@@ -19,7 +19,7 @@
 #######################################
 # Validate distribution parameters
 # Globals:
-#   RESCUE_LERNEL ROOT_FS
+#   ROOT_FS TMP_IN_TMPFS UEK_RELEASE RESCUE_KERNEL KERNEL_MODULES LINUX_FIRMWARE EXCLUDE_DOCS
 # Arguments:
 #   None
 # Returns:
@@ -28,12 +28,13 @@
 distr::validate() {
   [[ "${ROOT_FS,,}" =~ ^(xfs)|(btrfs)|(lvm)$ ]] || error "ROOT_FS must be xfs, btrfs or lvm"
   [[ "${ROOT_FS,,}" = "btrfs" ]] && echo_message "Note that for btrfs root filesystem you need to use an UEK boot ISO"
+  [[ "${TMP_IN_TMPFS,,}" =~ ^(yes)|(no)$ ]] || error "TMP_IN_TMPFS must be yes or no"
   [[ "${UEK_RELEASE}" =~ ^[67]$ ]] || error "UEK_RELEASE must be 6 or 7"
   [[ "${RESCUE_KERNEL,,}" =~ ^(yes)|(no)$ ]] || error "RESCUE_KERNEL must be yes or no"
   [[ "${KERNEL_MODULES,,}" =~ ^(yes)|(no)$ ]] || error "KERNEL_MODULES must be yes or no"
   [[ "${LINUX_FIRMWARE,,}" =~ ^(yes)|(no)$ ]] || error "LINUX_FIRMWARE must be yes or no"
   [[ "${EXCLUDE_DOCS,,}" =~ ^(yes)|(no)|(minimal)$ ]] || error "EXCLUDE_DOCS must be yes, no or minimal"
-  readonly ROOT_FS UEK_RELEASE RESCUE_KERNEL KERNEL_MODULES LINUX_FIRMWARE EXCLUDE_DOCS
+  readonly ROOT_FS TMP_IN_TMPFS UEK_RELEASE RESCUE_KERNEL KERNEL_MODULES LINUX_FIRMWARE EXCLUDE_DOCS
 }
 
 #######################################
@@ -83,6 +84,9 @@ logvol /      --fstype=\"xfs\"  --vgname=vg_main --size=4096 --name=lv_root --gr
   if [[ "${EXCLUDE_DOCS,,}" = "yes" ]]; then
     sed -i -e 's!^%packages!%packages --excludedocs!' "${ks_file}"
   fi
+
+  # /tmp in tmpfs
+  sed -i -e "s!^TMP_IN_TMPFS=no!TMP_IN_TMPFS=$TMP_IN_TMPFS!" "${ks_file}"
 }
 
 #######################################

diff --git a/oracle-linux-image-tools/distr/ol8-slim/ol8-ks.cfg b/oracle-linux-image-tools/distr/ol8-slim/ol8-ks.cfg
@@ -204,6 +204,11 @@ else
   dnf install -y ${dnf_options} ${kernel}
 fi
 
+# use tmpfs for /tmp
+TMP_IN_TMPFS=no
+if [[ "${TMP_IN_TMPFS,,}" == "yes" ]]; then
+  systemctl enable tmp.mount
+fi
 %end
 
 %addon com_redhat_kdump --disable

diff --git a/oracle-linux-image-tools/distr/ol9-aarch64/image-scripts.sh b/oracle-linux-image-tools/distr/ol9-aarch64/image-scripts.sh
@@ -19,7 +19,7 @@
 #######################################
 # Validate distribution parameters
 # Globals:
-#   ISO_LABEL RESCUE_LERNEL ROOT_FS
+#   ROOT_FS TMP_IN_TMPFS RESCUE_KERNEL ISO_LABEL KERNEL_MODULES EXCLUDE_DOCS
 # Arguments:
 #   None
 # Returns:
@@ -28,11 +28,12 @@
 distr::validate() {
   [[ "${ROOT_FS,,}" =~ ^(xfs)|(btrfs)|(lvm)$ ]] || error "ROOT_FS must be xfs, btrfs or lvm"
   [[ "${ROOT_FS,,}" = "btrfs" ]] && echo_message "Note that for btrfs root filesystem you need to use an UEK boot ISO"
+  [[ "${TMP_IN_TMPFS,,}" =~ ^(yes)|(no)$ ]] || error "TMP_IN_TMPFS must be yes or no"
   [[ "${RESCUE_KERNEL,,}" =~ ^(yes)|(no)$ ]] || error "RESCUE_KERNEL must be yes or no"
   [[ -n ${ISO_LABEL} ]] || error "ISO_LABEL must be provided"
   [[ "${KERNEL_MODULES,,}" =~ ^(yes)|(no)$ ]] || error "KERNEL_MODULES must be yes or no"
   [[ "${EXCLUDE_DOCS,,}" =~ ^(yes)|(no)|(minimal)$ ]] || error "EXCLUDE_DOCS must be yes, no or minimal"
-  readonly ROOT_FS RESCUE_KERNEL ISO_LABEL KERNEL_MODULES EXCLUDE_DOCS
+  readonly ROOT_FS TMP_IN_TMPFS RESCUE_KERNEL ISO_LABEL KERNEL_MODULES EXCLUDE_DOCS
 }
 
 #######################################
@@ -82,6 +83,9 @@ logvol /      --fstype=\"xfs\"  --vgname=vg_main --size=4096 --name=lv_root --gr
   if [[ "${EXCLUDE_DOCS,,}" = "yes" ]]; then
     sed -i -e 's!^%packages!%packages --excludedocs!' "${ks_file}"
   fi
+
+  # /tmp in tmpfs
+  sed -i -e "s!^TMP_IN_TMPFS=no!TMP_IN_TMPFS=$TMP_IN_TMPFS!" "${ks_file}"
 }
 
 #######################################

diff --git a/oracle-linux-image-tools/distr/ol9-aarch64/ol9-aarch64-ks.cfg b/oracle-linux-image-tools/distr/ol9-aarch64/ol9-aarch64-ks.cfg
@@ -211,6 +211,11 @@ fi
 # Ensure we have the correct boot options
 grub2-mkconfig -o /boot/grub2/grub.cfg
 
+# use tmpfs for /tmp
+TMP_IN_TMPFS=no
+if [[ "${TMP_IN_TMPFS,,}" == "yes" ]]; then
+  systemctl enable tmp.mount
+fi
 %end
 
 %addon com_redhat_kdump --disable

diff --git a/oracle-linux-image-tools/distr/ol9-slim/image-scripts.sh b/oracle-linux-image-tools/distr/ol9-slim/image-scripts.sh
@@ -19,7 +19,7 @@
 #######################################
 # Validate distribution parameters
 # Globals:
-#   RESCUE_LERNEL ROOT_FS
+#   ROOT_FS TMP_IN_TMPFS RESCUE_KERNEL KERNEL_MODULES EXCLUDE_DOCS
 # Arguments:
 #   None
 # Returns:
@@ -28,10 +28,11 @@
 distr::validate() {
   [[ "${ROOT_FS,,}" =~ ^(xfs)|(btrfs)|(lvm)$ ]] || error "ROOT_FS must be xfs, btrfs or lvm"
   [[ "${ROOT_FS,,}" = "btrfs" ]] && echo_message "Note that for btrfs root filesystem you need to use an UEK boot ISO"
+  [[ "${TMP_IN_TMPFS,,}" =~ ^(yes)|(no)$ ]] || error "TMP_IN_TMPFS must be yes or no"
   [[ "${RESCUE_KERNEL,,}" =~ ^(yes)|(no)$ ]] || error "RESCUE_KERNEL must be yes or no"
   [[ "${KERNEL_MODULES,,}" =~ ^(yes)|(no)$ ]] || error "KERNEL_MODULES must be yes or no"
   [[ "${EXCLUDE_DOCS,,}" =~ ^(yes)|(no)|(minimal)$ ]] || error "EXCLUDE_DOCS must be yes, no or minimal"
-  readonly ROOT_FS RESCUE_KERNEL KERNEL_MODULES EXCLUDE_DOCS
+  readonly ROOT_FS TMP_IN_TMPFS RESCUE_KERNEL KERNEL_MODULES EXCLUDE_DOCS
 }
 
 #######################################
@@ -80,6 +81,9 @@ logvol /      --fstype=\"xfs\"  --vgname=vg_main --size=4096 --name=lv_root --gr
   if [[ "${EXCLUDE_DOCS,,}" = "yes" ]]; then
     sed -i -e 's!^%packages!%packages --excludedocs!' "${ks_file}"
   fi
+
+  # /tmp in tmpfs
+  sed -i -e "s!^TMP_IN_TMPFS=no!TMP_IN_TMPFS=$TMP_IN_TMPFS!" "${ks_file}"
 }
 
 #######################################

diff --git a/oracle-linux-image-tools/distr/ol9-slim/ol9-ks.cfg b/oracle-linux-image-tools/distr/ol9-slim/ol9-ks.cfg
@@ -208,6 +208,11 @@ fi
 # Ensure we have the correct boot options
 grub2-mkconfig -o /boot/grub2/grub.cfg
 
+# use tmpfs for /tmp
+TMP_IN_TMPFS=no
+if [[ "${TMP_IN_TMPFS,,}" == "yes" ]]; then
+  systemctl enable tmp.mount
+fi
 %end
 
 %addon com_redhat_kdump --disable

diff --git a/oracle-linux-image-tools/env.properties b/oracle-linux-image-tools/env.properties
@@ -50,6 +50,9 @@ CLOUD="none"
 # Root filesystem: btrfs, xfs or lvm (Default: xfs)
 # ROOT_FS=
 
+# Set /tmp to tmpfs
+# TMP_IN_TMPFS="no"
+
 # Which kernel? (uek, rhck, modrhck, default is distribution / cloud specific)
 # KERNEL=
 

diff --git a/oracle-linux-image-tools/env.properties.defaults b/oracle-linux-image-tools/env.properties.defaults
@@ -24,6 +24,9 @@ SELINUX="enforcing"
 # Allocated disk size for the image.
 DISK_SIZE_GB=15
 
+# Set /tmp to tmpfs
+TMP_IN_TMPFS="no"
+
 # Root access to the VM. You must provide either a password or a key file.
 SSH_PASSWORD=
 SSH_KEY_FILE=
@@ -50,7 +53,7 @@ QEMU_BINARY=""
 # If defined, override generated VM_NAME
 VM_NAME=
 
-# The following two parameters can be specified when using a boot install image 
+# The following two parameters can be specified when using a boot install image
 # instead of a full DVD ISO image
 # URL to an installation tree on a remote server
 REPO_URL=