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Code Issues Projects Releases Wiki Activity

Correctly support custom etcd migration

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This commit is contained in:
Wojciech Tyczynski
2016-10-27 16:45:04 +02:00
parent 5ded63a635
commit 62299921b5
3 changed files with 10 additions and 3 deletions
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8
cluster/images/etcd/migrate-if-needed.sh
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@@ -57,6 +57,12 @@ if [ "${TARGET_STORAGE}" != "etcd2" -a "${TARGET_STORAGE}" != "etcd3" ]; then
exit 1 exit 1
fi fi
# Correctly support upgrade and rollback to non-default version.
if [ "${DO_NOT_MOVE_BINARIES:-}" != "true" ]; then
cp "/usr/local/bin/etcd-${TARGET_VERSION}" "/usr/local/bin/etcd"
cp "/usr/local/bin/etcdctl-${TARGET_VERSION}" "/usr/local/bin/etcdctl"
fi
# NOTE: SUPPORTED_VERSION has to match release binaries present in the # NOTE: SUPPORTED_VERSION has to match release binaries present in the
# etcd image (to make this script work correctly). # etcd image (to make this script work correctly).
# We cannot use array since sh doesn't support it. # We cannot use array since sh doesn't support it.
@@ -156,9 +162,9 @@ for step in ${SUPPORTED_VERSIONS}; do
fi fi
# Kill etcd and wait until this is down. # Kill etcd and wait until this is down.
stop_etcd stop_etcd
fi
CURRENT_VERSION=${step} CURRENT_VERSION=${step}
echo "${CURRENT_VERSION}/${CURRENT_STORAGE}" > "${DATA_DIRECTORY}/${VERSION_FILE}" echo "${CURRENT_VERSION}/${CURRENT_STORAGE}" > "${DATA_DIRECTORY}/${VERSION_FILE}"
fi
if [ "$(echo ${CURRENT_VERSION} | cut -c1-2)" = "3." -a "${CURRENT_STORAGE}" = "etcd2" -a "${TARGET_STORAGE}" = "etcd3" ]; then if [ "$(echo ${CURRENT_VERSION} | cut -c1-2)" = "3." -a "${CURRENT_STORAGE}" = "etcd2" -a "${TARGET_STORAGE}" = "etcd3" ]; then
# If it is the first 3.x release in the list and we are migrating # If it is the first 3.x release in the list and we are migrating
# also from 'etcd2' to 'etcd3', do the migration now. # also from 'etcd2' to 'etcd3', do the migration now.

2
cluster/saltbase/salt/etcd/etcd.manifest
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@@ -37,7 +37,7 @@
"command": [ "command": [
"/bin/sh", "/bin/sh",
"-c", "-c",
"if [ -e /usr/local/bin/migrate-if-needed.sh ]; then /usr/local/bin/migrate-if-needed.sh; fi; /usr/local/bin/etcd --name etcd-{{ hostname }} --listen-peer-urls http://{{ hostname }}:{{ server_port }} --initial-advertise-peer-urls http://{{ hostname }}:{{ server_port }} --advertise-client-urls http://127.0.0.1:{{ port }} --listen-client-urls http://127.0.0.1:{{ port }} --data-dir /var/etcd/data{{ suffix }} --initial-cluster-state {{ cluster_state }} --initial-cluster {{ etcd_cluster }} 1>>/var/log/etcd{{ suffix }}.log 2>&1" "if [ -e /usr/local/bin/migrate-if-needed.sh ]; then /usr/local/bin/migrate-if-needed.sh 1>>/var/log/etcd{{ suffix }}.log 2>&1; fi; /usr/local/bin/etcd --name etcd-{{ hostname }} --listen-peer-urls http://{{ hostname }}:{{ server_port }} --initial-advertise-peer-urls http://{{ hostname }}:{{ server_port }} --advertise-client-urls http://127.0.0.1:{{ port }} --listen-client-urls http://127.0.0.1:{{ port }} --data-dir /var/etcd/data{{ suffix }} --initial-cluster-state {{ cluster_state }} --initial-cluster {{ etcd_cluster }} 1>>/var/log/etcd{{ suffix }}.log 2>&1"
], ],
"env": [ "env": [
{ "name": "TARGET_STORAGE", { "name": "TARGET_STORAGE",

1
hack/test-update-storage-objects.sh
View File

@@ -165,6 +165,7 @@ TARGET_STORAGE="etcd3" \
ETCD=$(which etcd) \ ETCD=$(which etcd) \
ETCDCTL=$(which etcdctl) \ ETCDCTL=$(which etcdctl) \
ATTACHLEASE="${KUBE_OUTPUT_HOSTBIN}/attachlease" \ ATTACHLEASE="${KUBE_OUTPUT_HOSTBIN}/attachlease" \
DO_NOT_MOVE_BINARIES="true" \
${KUBE_ROOT}/cluster/images/etcd/migrate-if-needed.sh ${KUBE_ROOT}/cluster/images/etcd/migrate-if-needed.sh
kube::etcd::start kube::etcd::start