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Various fixes to scripts and conf

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This commit is contained in:
Guillaume 2023-05-24 20:12:07 +02:00
parent 8675219622
commit 83defa740f
8 changed files with 181 additions and 107 deletions
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2
.gitignore vendored
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@ -2,4 +2,6 @@
cache
data
dist
kubeconfig
config.yaml
.dls_adm_token

3
clusters/base.yaml
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@ -12,8 +12,7 @@ vars:
bootstrap_auths:
- name: "my-user"
# sshKey: "ssh-ed25519 xxx my-user"
sshKey: "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILIomzqVAIqb7BedauhAo2VgbLqme5Jx/vjGUqZLoJqF guillaume@guillaume-archlinux"
sshKey: "ssh-ed25519 xxx my-user"
ssh_keys:
- "ssh-ed25519 xxx my-user"

57
scripts/.common
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@ -1,5 +1,9 @@
#!/bin/bash
## Vars
tknfile=".dls_adm_token"
## Helper funcs
@ -15,7 +19,10 @@ perror() {
dls() {
path=$1
shift
curl -s -H 'Content-Type: application/json' -H 'Authorization: '$DLS_ADM_TOKEN'' http://127.0.0.1:7606${path} "$@"
if [ -z "$DLS_ADM_TOKEN" ]; then
test -f $tknfile && DLS_ADM_TOKEN=$(cat $tknfile)
fi
curl -s -H 'Content-Type: application/json' -H 'Authorization: '$DLS_ADM_TOKEN http://127.0.0.1:7606${path} "$@"
}
kctl() {
@ -25,16 +32,19 @@ kctl() {
extract_var() {
where=$1
what=$2
grep -rh ' $what: ' $ctxdir/$where/*.yaml|awk '{print $2}'
grep -rh " $what: " $ctxdir/$where/*.yaml|awk '{print $2}'
}
## Run funcs
prereqs() {
check_root() {
[ $UID != 0 ] && perror This program needs to be run as root. Aborting...
}
prereqs() {
set -ex
cd ..
ctxdir=$PWD
cd "$(dirname $0)/.."
ctxdir="$PWD"
}
check_conf() {
@ -51,15 +61,20 @@ fresh_start() {
unlock_store() {
# Unlock DLS store after checking if online
#
store_state=$(curl -sw %{http_code} localhost:7606/hosts -o /dev/null)
[ "$?" != 0 ] && perror "Direktil Local Server seems not up, please fix. Aborting."
if [ "$store_state" == "401" ]; then
pinfo Unlocking the DLS store ...
if [ -f $tknfile ]; then
DLS_ADM_TOKEN="$(cat $tknfile)"
fi
store_state=$(curl -H 'Content-Type: application/json' -H "Authorization: $DLS_ADM_TOKEN" -sw %{http_code} localhost:7606/hosts -o /dev/null)
if [ "$store_state" == "000" ] ; then
perror "Direktil Local Server seems not up, please fix. Aborting."
elif [ "$store_state" == "200" ] ; then
pinfo "Direktil Local Server store already unlocked"
else
pinfo "Unlocking the DLS store ..."
DLS_ADM_TOKEN=$(dls /public/unlock-store -d "\"${DLS_UNLOCK_TOKEN}\""|tr -d \")
pinfo Admin access token is $DLS_ADM_TOKEN
echo $DLS_ADM_TOKEN > $ctxdir/secrets/.dls_adm_token
chmod 400 > $ctxdir/secrets/.dls_adm_token
pinfo "Admin access token is $DLS_ADM_TOKEN"
echo $DLS_ADM_TOKEN > $tknfile
chmod 444 $tknfile
fi
}
@ -80,26 +95,32 @@ get_parts() {
partfile=$ctxdir/data/$host/$part
test -f $partfile || dls /hosts/$host/$part -o $partfile
done
diskfile=$ctxdir/data/$host/disk.raw
diskfile=$ctxdir/data/$host/disk
test -f $diskfile || truncate -s ${QEMU_DISK_SIZE:-30G} $diskfile
done
}
create_kubeconfig() {
if test -f $ctxdir/kubeconfig; then
pinfo "kubeconfig file detected in config dir, won't overwrite... remove it for an update."
return
fi
adm_token=$(dls /clusters/base/tokens/admin)
ca_cert=$(dls clusters/base/CAs/cluster/certificate|base64 -w0)
vip=$(extract_var clusters vip)
vip=$(extract_var clusters api_port)
ca_cert=$(dls /clusters/base/CAs/cluster/certificate|base64 -w0)
vip=$(extract_var clusters public_vip)
vip_api_port=$(extract_var clusters api_port)
pinfo "Writing new kubeconfig conf in $ctxdir directory, you may want to move it to \~/.kube/ directory for usability"
sed -e "s/__VIP_IP__/$vip/" \
-e "s/__VIP_API_PORT__/$vip_api_port/" \
-e "s/__CA_CERT__/$ca_cert/" \
-e "s/__ADM_TOKEN__/$adm_token/" \
scripts/.template.kubeconfig > kubeconfig
scripts/.template.kubeconfig > $ctxdir/kubeconfig
chmod 444 $ctxdir/kubeconfig
}
clean() {
set +e
sudo iptables -t nat -D POSTROUTING -j MASQUERADE -s $QEMU_BR_IP \! -o $QEMU_BR_NAME &>/dev/null
sudo iptables -D FORWARD -o $QEMU_BR_NAME -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT &>/dev/null
sudo iptables -D FORWARD -j ACCEPT -i $QEMU_BR_NAME &>/dev/null

47
scripts/0.start_dls.sh
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@ -1,34 +1,49 @@
#!/bin/bash
#
CTR_NAME=dls
D2C_CTR_NAME=dir2config
DLS_CTR_NAME=dls
# Admin token to unlock the DLS store
DLS_UNLOCK_TOKEN=changeme
#
#
set -xe
IMG=mcluseau/dkl-local-server:beta
D2C_IMG=novit.tech/direktil/local-server:b6fa941
DLS_IMG=novit.tech/direktil/local-server:b6fa941
prereqs_dls() {
command -v docker 1>/dev/null || perror "Docker is needed, please install it and run again."
systemctl is-active docker &>/dev/null || systemctl start docker
docker pull $DLS_IMG
}
dir2config() {
pinfo "Generating config.yaml from Direktil configuration"
docker run --rm --name $D2C_CTR_NAME \
-v .:/var/lib/direktil -w /var/lib/direktil \
--entrypoint=/bin/dkl-dir2config \
$D2C_IMG
}
start_store() {
set +e
docker stop $CTR_NAME &>/dev/null
docker wait $CTR_NAME &>/dev/null
set -e
docker run --rm --name $CTR_NAME --net host \
if docker ps|grep " $DLS_CTR_NAME$" ; then
pinfo "Container $DLS_CTR_NAME seems already running"
return
fi
docker run --rm --name $DLS_CTR_NAME -p 7606:7606 \
-e http_proxy=$http_proxy \
-e https_proxy=$https_proxy \
-e HTTP_PROXY=$HTTP_PROXY \
-e HTTPS_PROXY=$HTTPS_PROXY \
-v $ctxdir:/var/lib/direktil \
$IMG &
-v .:/var/lib/direktil \
$DLS_IMG &
# -auto-unlock 'N0v!T'
sleep 2
}
source .common
command -v docker 1>/dev/null || perror "Docker is needed, please install it and run again."
systemctl is-active docker &>/dev/null || systemctl start docker
source $(dirname $0)/.common
check_root
prereqs_dls
prereqs
dir2config
start_store
unlock_store

32
scripts/1.qemu.sh
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@ -2,8 +2,6 @@
#
# This collection of scripts aims to install a NOVIT cluster easily, with help of QEMU
#
# Admin token to unlock the DLS store
DLS_UNLOCK_TOKEN=changeme
#
# QEMU local bridge name. If you specificy a custom name, you may have to configure qemu bridge helper to allow it
QEMU_BR_NAME=virbr0
@ -25,54 +23,54 @@ prereqs_qemu() {
done
}
setup_network_qemu() {
#
ip li show $QEMU_BR_NAME &>/dev/null && ip li del $QEMU_BR_NAME
if ! ip li show $QEMU_BR_NAME ; then
ip li add name $QEMU_BR_NAME type bridge
ip li set $QEMU_BR_NAME up
fi
QEMU_BR_IP=$(extract_var clusters gateway)
QEMU_BR_MASK=$(extract_var clusters netmask)
if [ $(echo $QEMU_BR_IP | wc -w) -gt 1 ]; then
perror "More than one cluster is configured, not compatible with our quick-start setup, exiting"
fi
pinfo "Using detected gateway IP $QEMU_BR_IP for bridge $QEMU_BR_NAME"
ip a add $QEMU_BR_IP dev $QEMU_BR_NAME && {
if ! ip a show dev $QEMU_BR_NAME | grep $QEMU_BR_IP ; then
ip a add $QEMU_BR_IP/$QEMU_BR_MASK dev $QEMU_BR_NAME
sudo iptables -t nat -I POSTROUTING -j MASQUERADE -s $QEMU_BR_IP/$QEMU_BR_MASK \! -o $QEMU_BR_NAME
sudo iptables -I FORWARD -o $QEMU_BR_NAME -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
sudo iptables -I FORWARD -j ACCEPT -i $QEMU_BR_NAME
}
fi
}
run_qemu() {
id=1
for host in ${!hosts[*]}; do
ip route show |grep "${hosts[$host]} dev $QEMU_BR_NAME" ||\
ip route add ${hosts[$host]} dev $QEMU_BR_NAME
info "Starting host $host with ip ${hosts[$host]}"
if test -f $ctxdir/data/$host/pid ; then
info "Detected a pid file, killing process in case VM was already started"
kill $(<$ctxdir/$host/pid) && sleep 1
pinfo "Detected a pid file, killing process in case VM was already started"
kill $(cat $ctxdir/data/$host/pid) && sleep 1
fi
pinfo "Starting host $host with ip ${hosts[$host]}"
qemu-system-x86_64 -enable-kvm -smp $QEMU_VM_CPU -m $QEMU_VM_MEM \
-nic bridge,br=$QEMU_BR_NAME,mac=42:42:42:42:42:0${id} \
-kernel $ctxdir/data/$host/kernel -initrd $ctxdir/data/$host/initrd-v2 -vga qxl \
-hda $ctxdir/data/$host/disk.raw &
-drive format=raw,file=$ctxdir/data/$host/disk &
echo $! >$ctxdir/data/$host/pid
((++id))
done
info "$(ls $ctxdir/data/*/pid|wc -w) host(s) have been started"
pinfo "$(ls $ctxdir/data/*/pid|wc -w) host(s) have been started"
}
# # # # # # # #
source .common
source $(dirname $0)/.common
check_root
prereqs
prereqs_qemu
check_conf
fresh_start
#unlock_store
#fresh_start
trap clean SIGINT SIGTERM SIGKILL
declare -A hosts
setup_network_qemu
get_hosts
get_parts
run_qemu
create_kubeconfig
clean
#clean

88
scripts/2.first_start_k8s.sh Executable file
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@ -0,0 +1,88 @@
#!/bin/bash
#
# Starting control plane
prereqs_control_plane() {
for com in kubectl ; do
command -v $com 1>/dev/null || perror "Command $com is not installed, aborting..."
done
}
prereqs_addons() {
for com in curl kubectl ; do
command -v $com 1>/dev/null || perror "Command $com is not installed, aborting..."
done
cluster=$(basename $ctxdir/clusters/*.yaml|sed 's/.yaml//')
}
checkup() {
for host in ${!hosts[*]}; do
tries=3
while :
do
pinfo "Checking availability of node $host..."
ssh root@${hosts[$host]} <<< true &>/dev/null
if [ $? == 0 ]; then
pinfo "VM $host is up!"
break
else
((tries--))
if [ $tries < 1 ]; then
pinfo "Timeout waiting for node detection, please investigate why node $host is not up by now"
break
fi
sleep 30
fi
done
done
}
start_control_plane() {
for host in ${!hosts[*]}; do
ssh root@${hosts[$host]} << EOF
if ls /etc/kubernetes/manifests.static/* &>/dev/null ; then
mv /etc/kubernetes/manifests.static/* /var/lib/kubelet/manifests/
fi
EOF
done
}
install_addons() {
body='{"Kind":"cluster","Name":"'$cluster'","Assets":["addons"]}'
download_id=$(dls /authorize-download -d "$body"|tr -d \")
dls /public/downloads/${download_id}/addons |\
kctl apply -f -
}
approve_kubelet_certificates() {
tries=5
nodes_num=$(kctl get node -oname|wc -l)
while [ "$nodes_num" != "${#hosts[*]}" ] ; do
pinfo "Waiting for certificates requests to be created by Kubelet when it's ready... ($tries/5)"
sleep 60s
csrs="$(kctl get csr|awk '/Pending/ {print $1}')"
if [ "$csrs" != "" ]; then
kctl certificate approve $csrs
fi
((tries--))
if [ "$tries" < 1 ]; then
pinfo "Timeout waiting for kubelet certificates creation, please investigate why all nodes are not up by now"
break
fi
done
pinfo "All kubelets ($nodes_num) are up, enjoy !"
}
source $(dirname $0)/.common
prereqs
prereqs_control_plane
prereqs_addons
check_conf
unlock_store
declare -A hosts && get_hosts
checkup
start_control_plane
create_kubeconfig
install_addons
approve_kubelet_certificates # clients and serving certs

49
scripts/2.install_addons.sh
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@ -1,49 +0,0 @@
#!/bin/bash
#
# Health checking DLS store, and install cluster's addons
source .common
prereqs_addons() {
for com in curl kubectl ; do
command -v $com 1>/dev/null || perror "Command $com is not installed, aborting..."
done
cluster=$(basename $ctxdir/clusters/*.yaml|sed 's/.yaml//')
}
install_addons() {
body='{"Kind":"cluster","Name":"'$cluster'","Assets":["addons"]}'
download_id=$(dls /authorize-download -d "$body"|tr -d \")
dls /public/downloads/${download_id}/addons |\
kubectl --kubeconfig kubeconfig apply -f -
}
approve_kubelet_certificates() {
tries=5
nodes_num=$(kctl get node -oname|wc -l)
while [ "$nodes_num" != "${#hosts[*]}" ] ; do
pinfo "Waiting for certificates requests to be created by Kubelet when it's ready..."
sleep 60s
csrs="$(kctl get csr -oname)"
if [ "$csrs" != "" ]; then
kctl certificate approve $csr
fi
((tries--))
if [ $tries < 1 ]; then
pinfo "Timeout waiting for kubelet certificates creation, please investigate why all nodes are not up by now"
break
fi
done
pinfo "All kubelets ($nodes_num) are up, enjoy !"
}
prereqs
prereqs_addons
check_conf
unlock_store
install_addons
declare -A hosts
get_hosts # get hosts list
approve_kubelet_certificates # clients and serving certs

2
static-pods/master/etcd.yaml
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@ -40,7 +40,7 @@ spec:
- name: ETCD_INITIAL_CLUSTER
value: {{ range $i, $host := hosts_by_group "master" }}{{ if gt $i 0 }},{{end}}{{$host.name}}=https://{{$host.ip}}:2380{{end}}
- name: ETCD_INITIAL_CLUSTER_STATE
value: {{.etcd.cluster_state}}
value: {{ .vars.etcd.cluster_state }}
- name: ETCD_INITIAL_CLUSTER_TOKEN
value: '{{ token "etcd-initial-cluster" }}'
- name: ETCDCTL_ENDPOINTS