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swmodd: lxc containers as DU
This commit is contained in:
Suvendhu Hansa
Vivek Kumar Dutta
parent
d1ea18952f
commit
07e1c78029
6 changed files with 156 additions and 87 deletions
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@ -5,13 +5,13 @@
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include $(TOPDIR)/rules.mk
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PKG_NAME:=swmodd
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PKG_VERSION:=2.4.2
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PKG_VERSION:=2.5.0
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LOCAL_DEV:=0
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ifneq ($(LOCAL_DEV),1)
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PKG_SOURCE_PROTO:=git
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PKG_SOURCE_URL:=https://dev.iopsys.eu/lcm/swmodd.git
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PKG_SOURCE_VERSION:=ad39d3aa3b69c4efcb9f0230cee17af00fb3337f
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PKG_SOURCE_VERSION:=e92cad16be73ec3c842371d1992e1d892128b1bd
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PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
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PKG_MIRROR_HASH:=skip
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endif
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@ -83,6 +83,7 @@ define Package/swmodd/install
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$(INSTALL_BIN) $(PKG_BUILD_DIR)/swmodd $(1)/usr/sbin/swmodd
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$(INSTALL_BIN) $(PKG_BUILD_DIR)/scripts/opkg_offline.sh $(1)/usr/share/swmodd/opkg_offline
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$(INSTALL_BIN) ./files/etc/uci-defaults/01-fix-bundle-path $(1)/etc/uci-defaults/01-fix-bundle-path
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$(INSTALL_BIN) ./files/etc/uci-defaults/03-execenv-ref $(1)/etc/uci-defaults/03-execenv-ref
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ifeq ($(CONFIG_PACKAGE_liblxc),y)
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$(INSTALL_DIR) $(1)/usr/share/lxc/templates/
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$(INSTALL_BIN) $(PKG_BUILD_DIR)/templates/lxc-iopsys $(1)/usr/share/lxc/templates/lxc-iopsys
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@ -203,7 +203,7 @@ boot() {
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}
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start_service() {
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local bundle bridge boot
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local bundle root env bridge boot
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# Check if crun present
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if ! command -v crun >/dev/null 2>&1; then
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@ -218,15 +218,17 @@ start_service() {
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fi
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config_load swmodd
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config_get bundle globals oci_bundle_root ""
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config_get root globals root ""
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config_get bridge globals lan_bridge "br-lan"
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config_get timeout globals oci_pull_timeout "10"
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if [ -z "${bundle}" ] || [ -z "${bridge}" ]; then
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log "Empty bundle path or bridge"
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env=$(uci -q get swmodd.@execenv[0].name)
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if [ -z "${root}" ] || [ -z "${bridge}" ]; then
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log "Base bundle root[$root] or bridge[$bridge] not defined"
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return 0;
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fi
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bundle="${root}/${env}"
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if [ -f "${bundle}/ocicontainer" ]; then
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UCI_CONFIG_DIR="${bundle}"
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config_load ocicontainer
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@ -235,6 +237,8 @@ start_service() {
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# Add a timer for DuStateChange!
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(sleep 5 && ubus -t 5 call swmodules reload) &
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else
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log "${bundle}/ocicontainer not present"
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fi
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}
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@ -17,8 +17,7 @@ validate_globals_section()
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'enabled:bool:1' \
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'debug:bool:false' \
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'log_level:uinteger:1' \
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'lxc_bundle_root:string' \
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'oci_bundle_root:string' \
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'root:string' \
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'sock:string'
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}
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@ -79,7 +78,7 @@ stop_lxc_containers() {
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}
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start_service() {
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local enabled debug log_level sock lxc_bundle_root oci_bundle_root
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local enabled debug log_level sock root
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config_load swmodd
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@ -89,13 +88,35 @@ start_service() {
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[ "${enabled}" -eq 0 ] && return 0
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if [ ! -d "${lxc_bundle_root}" ]; then
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log "# Not staring lxc [${lxc_bundle_root}] not present/defined"
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[ ! -d "/run" ] && ln -fs /var/run /run
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if [ ! -d "${root}" ]; then
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log "# Not staring root [${root}] not present/defined"
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return 1
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fi
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if [ ! -d "${oci_bundle_root}" ]; then
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log "# Not staring oci [${oci_bundle_root}] not present/defined"
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env_name=""
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execenvs=$(uci show swmodd | grep "=execenv" | cut -d'=' -f 1 | cut -d'.' -f 2)
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for env in ${execenvs}; do
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name=$(uci get swmodd.${env}.name)
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if [ -n "${name}" ]; then
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env_name="${name}"
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break
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fi
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done
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if [ -z "${env_name}" ]; then
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log "# Not starting execenv name [${env_name}] not defined"
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return 1
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fi
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bundle_root="${root}"
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if [ "${root: -1}" != '/' ]; then
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bundle_root="${root}/"
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fi
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bundle_root="${bundle_root}${env_name}"
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if [ ! -d "${bundle_root}" ]; then
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log "# Not staring execenv [${bundle_root}] not present"
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return 1
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fi
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@ -116,15 +137,10 @@ start_service() {
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procd_close_instance
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# Auto-start the lxc containers
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if [ -f "${lxc_bundle_root}/lxccontainer" ]; then
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UCI_CONFIG_DIR="${lxc_bundle_root}"
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config_load lxccontainer
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config_foreach start_lxc_container container ${lxc_bundle_root}
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fi
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if [ -f "${oci_bundle_root}/ocicontainer" ]; then
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UCI_CONFIG_DIR="${oci_bundle_root}"
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if [ -f "${bundle_root}/ocicontainer" ]; then
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UCI_CONFIG_DIR="${bundle_root}"
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config_load ocicontainer
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config_foreach start_lxc_container du_eu_assoc ${oci_bundle_root}
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config_foreach start_lxc_container du_eu_assoc ${bundle_root}
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fi
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}
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@ -2,37 +2,48 @@
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. /lib/functions.sh
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lxc=""
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lxc_bundle=""
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oci_bundle=""
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configure_ee_path() {
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local lxc_bundle oci_bundle name root
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if [ -f "/etc/lxc/lxc.conf" ]; then
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lxc=$(cat /etc/lxc/lxc.conf |grep "lxc.lxcpath"| cut -d "=" -f 2)
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fi
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config_load swmodd
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config_get lxc_bundle globals lxc_bundle_root ""
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config_get oci_bundle globals oci_bundle_root ""
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config_load swmodd
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config_get lxc_bundle globals lxc_bundle_root ""
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config_get oci_bundle globals oci_bundle_root ""
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if [ -n "${lxc_bundle}" ]; then
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# if lxc_bundle_root define in swmodd, update it in lxc path
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mkdir -p /etc/lxc
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if [ -n "${oci_bundle}" ]; then
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# if oci_bundle_root define in swmodd, then remove it
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name=$(echo ${oci_bundle##/*/})
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root=$(echo ${oci_bundle%/$name})
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echo "lxc.lxcpath = ${oci_bundle}" > /etc/lxc/lxc.conf
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elif [ -n "${lxc_bundle}" ]; then
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# if lxc_bundle_root define in swmodd, then remove it
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name=$(echo ${lxc_bundle##/*/})
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root=$(echo ${lxc_bundle%/$name})
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echo "lxc.lxcpath = ${lxc_bundle}" > /etc/lxc/lxc.conf
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elif [ -n "${lxc}" ]; then
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# if lxc_bundle_root not define in swmodd, update it with lxc path
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uci_set swmodd globals lxc_bundle_root ${lxc}
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else
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mkdir -p /etc/lxc
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echo "lxc.lxcpath = /srv/" > /etc/lxc/lxc.conf
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uci_set swmodd globals lxc_bundle_root "/srv/"
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fi
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elif [ -f /etc/lxc/lxc.conf ]; then
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bundle_path=$(cat /etc/lxc/lxc.conf | grep "lxc.lxcpath" | cut -d "=" -f 2 | sed 's/[[:blank:]]//g')
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name=$(echo ${bundle_path##/*/})
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root=$(echo ${bundle_path%/$name})
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else
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name="lxc"
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root="/srv"
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echo "lxc.lxcpath = /srv/lxc" > /etc/lxc/lxc.conf
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fi
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if [ -z "${oci_bundle}" ] && [ -n "${lxc_bundle}" ]; then
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# if oci_bundle_root not defined in swmodd, update it with lxc_bundle_root if defined
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uci_set swmodd globals oci_bundle_root ${lxc_bundle}
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elif [ -z "${oci_bundle}" ] && [ -n "${lxc}" ]; then
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# if oci_bundle_root not defined in swmodd, update it with lxc path
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uci_set swmodd globals oci_bundle_root ${lxc}
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elif [ -z "${oci_bundle}" ]; then
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uci_set swmodd globals oci_bundle_root "/srv/"
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fi
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uci_set swmodd globals oci_bundle_root ""
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uci_set swmodd globals lxc_bundle_root ""
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# configure root in globals section
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if ! uci_get swmodd globals root >/dev/null; then
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uci_set swmodd globals root ${root}
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fi
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# configure execenv in swmodd
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if ! uci_get swmodd.@execenv[0].name >/dev/null; then
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uci_add swmodd execenv execenv_1
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uci_set swmodd execenv_1 name ${name}
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fi
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}
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configure_ee_path
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@ -2,46 +2,41 @@
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. /lib/functions.sh
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config_change=0
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migrate_from_lxc_to_oci_config() {
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config_load swmodd
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migrate_lxc() {
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config_get name "${1}" name ""
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env_name=$(uci_get swmodd.@execenv[0].name)
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bundle_root=$(uci_get swmodd.globals.root)
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if [ -z "${name}" ]; then
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return 0;
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if [ -z "${bundle_root}" ]; then
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return 0
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fi
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# Now lets check if already present in lxccontainer
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exist=$(uci -q -c "${2}" show lxccontainer | grep ".name='$name'")
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if [ -z "${exist}" ]; then
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# Not present, need to migrate
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sec=$(uci -q -c "${2}" add lxccontainer container)
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if [ -n "${sec}" ]; then
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uci -q -c "${2}" set lxccontainer."${sec}".name="${name}"
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uci -q -c "${2}" set lxccontainer."${sec}".type='lxc'
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uci -q -c "${2}" set lxccontainer."${sec}".autostart='1'
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uci -q -c "${2}" set lxccontainer."${sec}".timeout='300'
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config_change=1
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if [ -z "${env_name}" ]; then
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return 0
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fi
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if ! command -v crun_create >/dev/null; then
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return 0
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fi
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if [ "${bundle_root: -1}" != '/' ]; then
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bundle_root="${bundle_root}/"
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fi
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lxcpath="${bundle_root}${env_name}"
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touch "${lxcpath}/ocicontainer"
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rm -rf "${lxcpath}/lxccontainer"
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dirs=$(ls -l "${lxcpath}/" 2>/dev/null | grep '^d' | awk '{print $9}')
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for d in ${dirs}; do
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config_file="${lxcpath}/${d}/config"
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if [ -f "${config_file}" ]; then
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crun_create -c -r "${bundle_root}" -e "${env_name}" -n "${d}" --no-reload
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fi
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done
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}
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config_load swmodd
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config_get lxc_bundle globals lxc_bundle_root ""
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if [ -z "${lxc_bundle}" ]; then
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return 0
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fi
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if [ ! -d "${lxc_bundle}" ]; then
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return 0
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fi
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touch "${lxc_bundle}"/lxccontainer
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config_load lxc-auto
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config_foreach migrate_lxc container "${lxc_bundle}"
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if [ $config_change -eq 1 ]; then
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uci -q -c "${lxc_bundle}" commit lxccontainer
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fi
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migrate_from_lxc_to_oci_config
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42
swmodd/files/etc/uci-defaults/03-execenv-ref
Normal file
42
swmodd/files/etc/uci-defaults/03-execenv-ref
Normal file
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@ -0,0 +1,42 @@
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#!/bin/sh
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. /lib/functions.sh
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set_execenv_ref() {
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config_get ee_name "${1}" ee_name ""
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if [ "${ee_name}" != "${2}" ]; then
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uci_set ocicontainer "${1}" ee_name "${2}"
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fi
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}
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migrate_execenv_ref() {
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config_load swmodd
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env_name=$(uci_get swmodd.@execenv[0].name)
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bundle_root=$(uci_get swmodd.globals.root)
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if [ -z "${bundle_root}" ]; then
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return 0
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fi
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if [ -z "${env_name}" ]; then
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return 0
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fi
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if [ "${bundle_root: -1}" != '/' ]; then
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bundle_root="${bundle_root}/"
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fi
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lxcpath="${bundle_root}${env_name}"
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if [ -f "${lxcpath}/ocicontainer" ]; then
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UCI_CONFIG_DIR="${lxcpath}"
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config_load ocicontainer
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config_foreach set_execenv_ref du_eu_assoc ${env_name}
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fi
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uci -q -c "${lxcpath}" commit ocicontainer
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}
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migrate_execenv_ref
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