F #185: Recontextualizaton on vCenter

Periodically runs one-context-reconfigure to poll for changes
in vCenter context metadata to apply. Implemented via:

- systemd timer conditionally started only on vCenter
- cron job which checks for vmware and triggers service on non-systemd

Closes #185

pkg/postinstall

@@ -2,6 +2,7 @@
 
 NETWORK=${NETWORK:-yes}
 SERVICES=${SERVICES:-one-context-local one-context-online one-context}
+TIMERS=${TIMERS:-one-context-reconfigure.timer}
 
 rm -f /etc/udev/rules.d/70-persistent-cd.rules
 rm -f /etc/udev/rules.d/70-persistent-net.rules
@@ -18,8 +19,8 @@ if which systemctl >/dev/null 2>&1 && \
 then
     systemctl daemon-reload >/dev/null 2>&1 || :
 
-    for S in ${SERVICES}; do
+    for S in ${SERVICES} ${TIMERS}; do
-        systemctl enable "${S}.service" >/dev/null 2>&1
+        systemctl enable "${S}" >/dev/null 2>&1
     done
 fi
 
@@ -47,6 +48,15 @@ elif which rc-update >/dev/null 2>&1; then
         rc-update add "${S}" boot >/dev/null 2>&1
     done
 
+    # Add crontab action for 1min schedules
+    if ! crontab -l -u root | grep -qF '/etc/periodic/1min'; then
+        (
+            crontab -l -u root
+            echo -e '\n# Added by one-context'
+            echo -e '*	*	*	*	*	run-parts /etc/periodic/1min'
+        ) | crontab -u root -
+    fi
+
     # When existing file is changed, the new one might be created with
     # .apk-new suffix. Such files need to be processed by update-conf.
     if update-conf -al 2>/dev/null | grep -q context; then

pkg/postupgrade

@@ -6,6 +6,7 @@ udevadm control --reload >/dev/null 2>&1 || :
 ### Enable services ########################################
 
 SERVICES=${SERVICES:-one-context-local one-context-online one-context}
+TIMERS=${TIMERS:-one-context-reconfigure.timer}
 
 if which systemctl >/dev/null 2>&1 && \
     [ -d /etc/systemd ] && \
@@ -13,8 +14,8 @@ if which systemctl >/dev/null 2>&1 && \
 then
     systemctl daemon-reload >/dev/null 2>&1 || :
 
-    for S in ${SERVICES}; do
+    for S in ${SERVICES} ${TIMERS}; do
-        systemctl enable "${S}.service" >/dev/null 2>&1
+        systemctl enable "${S}" >/dev/null 2>&1
     done
 fi
 
@@ -42,6 +43,15 @@ elif which rc-update >/dev/null 2>&1; then
         rc-update add "${S}" boot >/dev/null 2>&1
     done
 
+    # Add crontab action for 1min schedules
+    if ! crontab -l -u root | grep -qF '/etc/periodic/1min'; then
+        (
+            crontab -l -u root
+            echo -e '\n# Added by one-context'
+            echo -e '*	*	*	*	*	run-parts /etc/periodic/1min'
+        ) | crontab -u root -
+    fi
+
     # When existing file is changed, the new one might be created with
     # .apk-new suffix. Such files need to be processed by update-conf.
     if update-conf -al 2>/dev/null | grep -q context; then

pkg/preuninstall

@@ -1,12 +1,13 @@
 #!/usr/bin/env bash
 
-SERVICES=${SERVICES:-one-context one-context-online one-context-local}
+SERVICES=${SERVICES:-one-context one-context-online one-context-local one-context-reconfigure one-context-reconfigure-delayed}
+TIMERS=${TIMERS:-one-context-reconfigure.timer}
 
 # Disable services
 if which systemctl >/dev/null 2>&1 && [ -d /etc/systemd ]; then
-    for S in ${SERVICES}; do
+    for S in ${TIMERS} ${SERVICES}; do
-        systemctl --no-reload disable "${S}.service" >/dev/null 2>&1 || :
+        systemctl --no-reload disable "${S}" >/dev/null 2>&1 || :
-        systemctl stop "${S}.service" >/dev/null 2>&1 || :
+        systemctl stop "${S}" >/dev/null 2>&1 || :
     done
 fi
 

src/etc/cron.d/one-context-reconfigure##crond

@@ -0,0 +1,6 @@
+# Periodically run one-context-reconfigure on VMware
+SHELL=/bin/sh
+PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
+MAILTO=''
+
+* * * * * root if [ "$(virt-what 2>/dev/null)" = 'vmware' ]; then service one-context-reconfigure start >/dev/null 2>&1 || service one-context-reconfigure onestart >/dev/null 2>&1; fi

src/etc/periodic/1min/one-context-reconfigure##apk

@@ -0,0 +1,5 @@
+#!/bin/sh
+# Periodically run one-context-reconfigure on VMware
+if [ "$(virt-what 2>/dev/null)" = 'vmware' ]; then
+    service one-context-reconfigure restart >/dev/null 2>&1
+fi

src/usr/lib/systemd/system/one-context-reconfigure.timer##systemd.one

@@ -0,0 +1,11 @@
+[Unit]
+Description=Periodic OpenNebula reconfiguration
+After=one-context.service
+ConditionVirtualization=vmware
+
+[Timer]
+OnCalendar=*-*-* *:*:0
+AccuracySec=1s
+
+[Install]
+WantedBy=timers.target

targets.sh

@@ -21,8 +21,8 @@ case "${TARGET}" in
         RELSUFFIX=${RELSUFFIX:-}
         TYPE=${TYPE:-freebsd}
         EXT=${EXT:-txz}
-        TAGS=${TAGS:-bsd bsd_rc one sysv}
+        TAGS=${TAGS:-bsd bsd_rc one sysv crond}
-        DEPENDS=${DEPENDS:-sudo bash curl base64 ruby open-vm-tools-nox11 gawk}
+        DEPENDS=${DEPENDS:-sudo bash curl base64 ruby open-vm-tools-nox11 gawk virt-what}
         PROVIDES=${PROVIDES:-}
         REPLACES=${REPLACES:-addon-context}
         CONFLICTS=${CONFLICTS:-${REPLACES} one-context-ec2}
@@ -37,8 +37,8 @@ case "${TARGET}" in
         NAME=${NAME:-one-context}
         RELSUFFIX=${RELSUFFIX:-.el6}
         TYPE=${TYPE:-rpm}
-        TAGS=${TAGS:-linux rpm sysv one network-scripts}
+        TAGS=${TAGS:-linux rpm sysv one network-scripts crond}
-        DEPENDS=${DEPENDS:-util-linux-ng bash curl bind-utils cloud-utils-growpart dracut-modules-growroot parted ruby rubygem-json sudo shadow-utils openssh-server open-vm-tools qemu-guest-agent gawk}
+        DEPENDS=${DEPENDS:-util-linux-ng bash curl bind-utils cloud-utils-growpart dracut-modules-growroot parted ruby rubygem-json sudo shadow-utils openssh-server open-vm-tools qemu-guest-agent gawk virt-what}
         PROVIDES=${PROVIDES:-}
         REPLACES=${REPLACES:-cloud-init}
         CONFLICTS=${CONFLICTS:-${REPLACES} one-context-ec2}
@@ -53,7 +53,7 @@ case "${TARGET}" in
         RELSUFFIX=${RELSUFFIX:-.el7}
         TYPE=${TYPE:-rpm}
         TAGS=${TAGS:-linux rpm systemd one network-scripts}
-        DEPENDS=${DEPENDS:-util-linux bash curl bind-utils cloud-utils-growpart parted ruby rubygem-json sudo shadow-utils openssh-server open-vm-tools qemu-guest-agent gawk}
+        DEPENDS=${DEPENDS:-util-linux bash curl bind-utils cloud-utils-growpart parted ruby rubygem-json sudo shadow-utils openssh-server open-vm-tools qemu-guest-agent gawk virt-what}
         PROVIDES=${PROVIDES:-}
         REPLACES=${REPLACES:-cloud-init}
         CONFLICTS=${CONFLICTS:-${REPLACES} one-context-ec2}
@@ -68,7 +68,7 @@ case "${TARGET}" in
         RELSUFFIX=${RELSUFFIX:-.el8}
         TYPE=${TYPE:-rpm}
         TAGS=${TAGS:-linux rpm systemd one network-scripts}
-        DEPENDS=${DEPENDS:-util-linux bash curl bind-utils cloud-utils-growpart parted ruby rubygem-json sudo shadow-utils openssh-server open-vm-tools qemu-guest-agent network-scripts gawk}
+        DEPENDS=${DEPENDS:-util-linux bash curl bind-utils cloud-utils-growpart parted ruby rubygem-json sudo shadow-utils openssh-server open-vm-tools qemu-guest-agent network-scripts gawk virt-what}
         PROVIDES=${PROVIDES:-}
         REPLACES=${REPLACES:-cloud-init}
         CONFLICTS=${CONFLICTS:-${REPLACES} one-context-ec2}
@@ -83,7 +83,7 @@ case "${TARGET}" in
         RELSUFFIX=${RELSUFFIX:-alt}
         TYPE=${TYPE:-rpm}
         TAGS=${TAGS:-linux rpm systemd one networkd}
-        DEPENDS=${DEPENDS:-bind-utils btrfs-progs cloud-utils-growpart curl e2fsprogs iproute2 openssl parted passwd qemu-guest-agent open-vm-tools ruby-json-pure sudo systemd-services wget which xfsprogs gawk}
+        DEPENDS=${DEPENDS:-bind-utils btrfs-progs cloud-utils-growpart curl e2fsprogs iproute2 openssl parted passwd qemu-guest-agent open-vm-tools ruby-json-pure sudo systemd-services wget which xfsprogs gawk virt-what}
         PROVIDES=${PROVIDES:-}
         REPLACES=${REPLACES:-cloud-init}
         CONFLICTS=${CONFLICTS:-${REPLACES} one-context-ec2}
@@ -99,7 +99,7 @@ case "${TARGET}" in
         RELSUFFIX=${RELSUFFIX:-.suse}
         TYPE=${TYPE:-rpm}
         TAGS=${TAGS:-linux rpm systemd one network-scripts}
-        DEPENDS=${DEPENDS:-util-linux bash curl bind-utils growpart parted parted ruby sudo shadow openssh open-vm-tools qemu-guest-agent gawk} # rubygem-json}
+        DEPENDS=${DEPENDS:-util-linux bash curl bind-utils growpart parted parted ruby sudo shadow openssh open-vm-tools qemu-guest-agent gawk virt-what} # rubygem-json}
         PROVIDES=${PROVIDES:-}
         REPLACES=${REPLACES:-cloud-init cloud-init-config-suse}
         CONFLICTS=${CONFLICTS:-${REPLACES} one-context-ec2}
@@ -114,7 +114,7 @@ case "${TARGET}" in
         RELSUFFIX=${RELSUFFIX:-}
         TYPE=${TYPE:-deb}
         TAGS=${TAGS:-linux deb sysv systemd upstart one}
-        DEPENDS=${DEPENDS:-util-linux bash curl bind9-host cloud-utils parted ruby ifupdown|ifupdown2 acpid sudo passwd dbus openssh-server open-vm-tools qemu-guest-agent gawk}
+        DEPENDS=${DEPENDS:-util-linux bash curl bind9-host cloud-utils parted ruby ifupdown|ifupdown2 acpid sudo passwd dbus openssh-server open-vm-tools qemu-guest-agent gawk virt-what}
         PROVIDES=${PROVIDES:-}
         REPLACES=${REPLACES:-cloud-init}
         CONFLICTS=${CONFLICTS:-${REPLACES} one-context-ec2}
@@ -129,7 +129,7 @@ case "${TARGET}" in
         RELSUFFIX=${RELSUFFIX:-}
         TYPE=${TYPE:-apk}
         TAGS=${TAGS:-linux apk one}
-        DEPENDS=${DEPENDS:-util-linux bash curl udev sfdisk parted e2fsprogs-extra sudo shadow ruby ruby-json bind-tools openssh open-vm-tools qemu-guest-agent gawk}
+        DEPENDS=${DEPENDS:-util-linux bash curl udev sfdisk parted e2fsprogs-extra sudo shadow ruby ruby-json bind-tools openssh open-vm-tools qemu-guest-agent gawk virt-what}
         PROVIDES=${PROVIDES:-}
         REPLACES=${REPLACES:-}  #not respected
         CONFLICTS=${CONFLICTS:-one-context-ec2}
@@ -151,7 +151,7 @@ case "${TARGET}" in
         EXT=${EXT:-pkg.tar.xz}
         TAGS=${TAGS:-linux arch systemd one networkd}
         # mkinitcpio-growrootfs ruby-json
-        DEPENDS=${DEPENDS:-filesystem util-linux bash curl bind-tools ruby sudo shadow open-vm-tools qemu-guest-agent gawk}
+        DEPENDS=${DEPENDS:-filesystem util-linux bash curl bind-tools ruby sudo shadow open-vm-tools qemu-guest-agent gawk virt-what}
         PROVIDES=${PROVIDES:-}
         REPLACES=${REPLACES:-cloud-init}
         CONFLICTS=${CONFLICTS:-${REPLACES} one-context-ec2}