F #196: Force recontextualization on NIC detach

Signed-off-by: Petr Ospalý <pospaly@opennebula.systems>

src/etc/one-context.d/loc-10-network##apk.one

@@ -294,34 +294,65 @@ configure_network()
 deactivate_network()
 {
     . /etc/os-release
-    if [ $ID = "ubuntu" ]; then
-        IFACES=`/sbin/ifquery --list -a`
 
-        for i in $IFACES; do
-            if [ $i != 'lo' ]; then
-                /sbin/ifdown $i
-                /sbin/ip addr flush dev $i
-            fi
-        done
-    else
-        service networking stop
-    fi
+    case "$ID" in
+        'ubuntu')
+            IFACES=$(/sbin/ifquery --list -a)
+
+            for i in $IFACES; do
+                if [ $i != 'lo' ]; then
+                    /sbin/ifdown $i
+                    /sbin/ip addr flush dev $i
+                fi
+            done
+            ;;
+        'alpine')
+            service networking stop || true
+
+            #IFACES=$(ip a | \
+            #    sed -n 's#^[0-9]\+:[[:space:]]\+\([^:]\+\):[[:space:]].*#\1#p')
+
+            # took from find_ifaces in the networking service
+            IFACES=$(\
+                awk '$1 == "auto" {
+                    for (i = 2; i <= NF; i = i + 1) printf("%s ", $i)
+                    }' /etc/network/interfaces)
+
+            for i in $IFACES; do
+                if [ $i != 'lo' ]; then
+                    /sbin/ip link set dev $i down || true
+                    /sbin/ip addr flush dev $i || true
+                fi
+            done
+            ;;
+        *)
+            service networking stop
+            ;;
+    esac
 }
 
 activate_network()
 {
     . /etc/os-release
-    if [ $ID = "ubuntu" ]; then
-        IFACES=`/sbin/ifquery --list -a`
 
-        for i in $IFACES; do
-            /sbin/ifup $i
-        done
-    else
-        service networking stop
-        sleep 1
-        service networking start
-    fi
+    case "$ID" in
+        'ubuntu')
+            IFACES=$(/sbin/ifquery --list -a)
+
+            for i in $IFACES; do
+                /sbin/ifup $i
+            done
+            ;;
+        'alpine')
+            deactivate_network
+            service networking start
+            ;;
+        *)
+            service networking stop
+            sleep 1
+            service networking start
+            ;;
+    esac
 }
 
 [ $ACTION == "reconfigure" ] && deactivate_network

src/lib/udev/rules.d/65-context.rules##apk.one

@@ -1,7 +1,16 @@
-# On NIC hogplug the delayed reconfiguration is triggered.
+# NIC detach workaround for recontextualization on OpenNebula < 5.10.3
+# https://github.com/OpenNebula/one/issues/4130
+# https://github.com/OpenNebula/one/issues/4194
+SUBSYSTEM=="net", ACTION=="remove", \
+  RUN+="/bin/sh -c 'test -f /var/run/one-context/context.sh.local && echo >> /var/run/one-context/context.sh.local; test -f /var/run/one-context/context.sh.network && echo >> /var/run/one-context/context.sh.network'"
+
+# On NIC hotplug the delayed reconfiguration is triggered.
 SUBSYSTEM=="net", ACTION=="add", \
   RUN+="/sbin/service one-context-reconfigure-delayed restart"
 
+SUBSYSTEM=="net", ACTION=="remove", \
+  RUN+="/sbin/service one-context-reconfigure-delayed restart"
+
 # On CONTEXT CD-ROM change the immediate reconfiguration is triggered.
 SUBSYSTEM=="block", ACTION=="change", \
   ENV{ID_CDROM}=="1", \
@@ -13,6 +22,10 @@ SUBSYSTEM=="block", ACTION=="change", \
   ENV{RESIZE}=="1", \
   RUN+="/sbin/service one-context-force restart"
 
+SUBSYSTEM=="scsi", ACTION=="change", \
+  ENV{SDEV_UA}=="CAPACITY_DATA_HAS_CHANGED", \
+  RUN+="/sbin/service one-context-force restart"
+
 # Handle swap hot-attach
 SUBSYSTEM=="block", ACTION=="add", \
   ENV{ID_FS_TYPE}=="swap", \

src/lib/udev/rules.d/65-context.rules##deb.one

@@ -1,8 +1,18 @@
-# On NIC hogplug the delayed reconfiguration is triggered.
+# NIC detach workaround for recontextualization on OpenNebula < 5.10.3
+# https://github.com/OpenNebula/one/issues/4130
+# https://github.com/OpenNebula/one/issues/4194
+SUBSYSTEM=="net", ACTION=="remove", \
+  RUN+="/bin/sh -c 'test -f /var/run/one-context/context.sh.local && echo >> /var/run/one-context/context.sh.local; test -f /var/run/one-context/context.sh.network && echo >> /var/run/one-context/context.sh.network'"
+
+# On NIC hotplug the delayed reconfiguration is triggered.
 SUBSYSTEM=="net", ACTION=="add", \
   TAG+="systemd", ENV{SYSTEMD_WANTS}+="one-context-reconfigure-delayed.service", \
   RUN+="/usr/bin/timeout 5 /usr/sbin/service one-context-reconfigure-delayed start"
 
+SUBSYSTEM=="net", ACTION=="remove", \
+  TAG+="systemd", ENV{SYSTEMD_WANTS}+="one-context-reconfigure-delayed.service", \
+  RUN+="/usr/bin/timeout 5 /usr/sbin/service one-context-reconfigure-delayed start"
+
 # When CONTEXT CD-ROM is changed, it generates 2 events. This rule takes
 # every second event and triggers systemd service one-context-reconfigure.
 # This service also stops any existing delayed reconfiguration.
@@ -17,6 +27,10 @@ SUBSYSTEM=="block", ACTION=="change", \
   ENV{RESIZE}=="1", \
   RUN+="/usr/sbin/service one-context-force start"
 
+SUBSYSTEM=="scsi", ACTION=="change", \
+  ENV{SDEV_UA}=="CAPACITY_DATA_HAS_CHANGED", \
+  RUN+="/usr/sbin/service one-context-force start"
+
 # Handle swap hot-attach
 SUBSYSTEM=="block", ACTION=="add", \
   ENV{ID_FS_TYPE}=="swap", \

src/lib/udev/rules.d/65-context.rules##rpm.systemd.one

@@ -1,7 +1,16 @@
-# On NIC hogplug the delayed reconfiguration is triggered.
+# NIC detach workaround for recontextualization on OpenNebula < 5.10.3
+# https://github.com/OpenNebula/one/issues/4130
+# https://github.com/OpenNebula/one/issues/4194
+SUBSYSTEM=="net", ACTION=="remove", \
+  RUN+="/bin/sh -c 'test -f /var/run/one-context/context.sh.local && echo >> /var/run/one-context/context.sh.local; test -f /var/run/one-context/context.sh.network && echo >> /var/run/one-context/context.sh.network'"
+
+# On NIC hotplug the delayed reconfiguration is triggered.
 SUBSYSTEM=="net", ACTION=="add", \
   TAG+="systemd", ENV{SYSTEMD_WANTS}+="one-context-reconfigure-delayed.service"
 
+SUBSYSTEM=="net", ACTION=="remove", \
+  RUN+="/bin/systemctl --no-block start one-context-reconfigure-delayed.service"
+
 # When CONTEXT CD-ROM is changed, it generates 2 events. This rule takes
 # every second event and triggers systemd service one-context-reconfigure.
 # This service also stops any existing delayed reconfiguration.
@@ -16,6 +25,10 @@ SUBSYSTEM=="block", ACTION=="change", \
   ENV{RESIZE}=="1", \
   RUN+="/bin/systemctl --no-block start one-context-force.service"
 
+SUBSYSTEM=="scsi", ACTION=="change", \
+  ENV{SDEV_UA}=="CAPACITY_DATA_HAS_CHANGED", \
+  RUN+="/bin/systemctl --no-block start one-context-force.service"
+
 # Handle swap hot-attach
 SUBSYSTEM=="block", ACTION=="add", \
   ENV{ID_FS_TYPE}=="swap", \

src/lib/udev/rules.d/65-context.rules##rpm.sysv.one

@@ -1,12 +1,25 @@
-# On NIC hogplug the delayed reconfiguration is triggered.
+# NIC detach workaround for recontextualization on OpenNebula < 5.10.3
+# https://github.com/OpenNebula/one/issues/4130
+# https://github.com/OpenNebula/one/issues/4194
+SUBSYSTEM=="net", ACTION=="remove", \
+  RUN+="/bin/sh -c 'test -f /var/run/one-context/context.sh.local && echo >> /var/run/one-context/context.sh.local; test -f /var/run/one-context/context.sh.network && echo >> /var/run/one-context/context.sh.network'"
+
+# On NIC hotplug the delayed reconfiguration is triggered.
 SUBSYSTEM=="net", ACTION=="add", \
   RUN+="/sbin/service one-context-reconfigure-delayed start"
 
+SUBSYSTEM=="net", ACTION=="remove", \
+  RUN+="/sbin/service one-context-reconfigure-delayed start"
+
 # Handle disk resize
 SUBSYSTEM=="block", ACTION=="change", \
   ENV{RESIZE}=="1", \
   RUN+="/sbin/service one-context-force start"
 
+SUBSYSTEM=="scsi", ACTION=="change", \
+  ENV{SDEV_UA}=="CAPACITY_DATA_HAS_CHANGED", \
+  RUN+="/sbin/service one-context-force start"
+
 # Handle swap hot-attach
 SUBSYSTEM=="block", ACTION=="add", \
   ENV{ID_FS_TYPE}=="swap", \

targets.sh

@@ -160,7 +160,7 @@ case "${TARGET}" in
         RELSUFFIX=${RELSUFFIX:-}
         TYPE=${TYPE:-deb}
         TAGS=${TAGS:-deb sysv systemd upstart one}
-        DEPENDS=${DEPENDS:-util-linux bash curl bind9-host cloud-utils parted ruby python ifupdown acpid sudo passwd dbus openssh-server open-vm-tools qemu-guest-agent}
+        DEPENDS=${DEPENDS:-util-linux bash curl bind9-host cloud-utils parted ruby ifupdown acpid sudo passwd dbus openssh-server open-vm-tools qemu-guest-agent}
         PROVIDES=${PROVIDES:-}
         REPLACES=${REPLACES:-cloud-init}
         CONFLICTS=${CONFLICTS:-${REPLACES} one-context-ec2}
@@ -175,7 +175,7 @@ case "${TARGET}" in
         RELSUFFIX=${RELSUFFIX:-}
         TYPE=${TYPE:-deb}
         TAGS=${TAGS:-deb sysv systemd upstart ec2}
-        DEPENDS=${DEPENDS:-util-linux bash curl bind9-host cloud-utils parted ruby python ifupdown sudo passwd dbus openssh-server resolvconf}
+        DEPENDS=${DEPENDS:-util-linux bash curl bind9-host cloud-utils parted ruby ifupdown sudo passwd dbus openssh-server resolvconf}
         PROVIDES=${PROVIDES:-}
         REPLACES=${REPLACES:-cloud-init}
         CONFLICTS=${CONFLICTS:-${REPLACES} one-context}