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265 lines
7.0 KiB
265 lines
7.0 KiB
---
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apiVersion: v1
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kind: Service
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metadata:
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annotations:
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service.alpha.kubernetes.io/tolerate-unready-endpoints: "true"
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name: YOUR_APP_NAME
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labels:
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app: YOUR_APP_NAME
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spec:
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ports:
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- port: 46656
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name: p2p
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- port: 46657
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name: rpc
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clusterIP: None
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selector:
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app: tm
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---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: tm-config
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data:
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seeds: "tm-0,tm-1,tm-2,tm-3"
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validators: "tm-0,tm-1,tm-2,tm-3"
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validator.power: "10"
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genesis.json: |-
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{
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"genesis_time": "2017-01-02T10:10:10.164Z",
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"chain_id": "chain-B5XXm5",
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"validators": [],
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"app_hash": ""
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}
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pub_key_nginx.conf: |-
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server {
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listen 80 default_server;
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listen [::]:80 default_server ipv6only=on;
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location /pub_key.json { root /usr/share/nginx/; }
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}
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---
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apiVersion: policy/v1beta1
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kind: PodDisruptionBudget
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metadata:
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name: tm-budget
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spec:
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selector:
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matchLabels:
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app: tm
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minAvailable: 2
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---
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apiVersion: apps/v1beta1
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kind: StatefulSet
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metadata:
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name: tm
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spec:
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serviceName: YOUR_APP_NAME
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replicas: 4
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template:
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metadata:
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labels:
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app: tm
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version: v1
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annotations:
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pod.beta.kubernetes.io/init-containers: '[{
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"name": "tm-gen-validator",
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"image": "tendermint/tendermint:0.9.0",
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"imagePullPolicy": "IfNotPresent",
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"command": ["bash", "-c", "
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set -ex\n
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if [ ! -f /tendermint/priv_validator.json ]; then\n
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tendermint gen_validator > /tendermint/priv_validator.json\n
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# pub_key.json will be served by pub-key container\n
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cat /tendermint/priv_validator.json | jq \".pub_key\" > /tendermint/pub_key.json\n
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fi\n
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"],
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"volumeMounts": [
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{"name": "tmdir", "mountPath": "/tendermint"}
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]
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}]'
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spec:
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containers:
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- name: tm
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imagePullPolicy: IfNotPresent
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image: tendermint/tendermint:0.9.0
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resources:
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requests:
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cpu: 50m
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memory: 64Mi
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limits:
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cpu: 100m
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memory: 128Mi
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ports:
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- containerPort: 46656
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name: p2p
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- containerPort: 46657
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name: rpc
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env:
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- name: SEEDS
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valueFrom:
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configMapKeyRef:
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name: tm-config
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key: seeds
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- name: VALIDATOR_POWER
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valueFrom:
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configMapKeyRef:
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name: tm-config
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key: validator.power
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- name: VALIDATORS
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valueFrom:
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configMapKeyRef:
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name: tm-config
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key: validators
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- name: TMROOT
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value: /tendermint
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command:
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- bash
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- "-c"
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- |
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set -ex
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# copy template
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cp /etc/tendermint/genesis.json /tendermint/genesis.json
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# fill genesis file with validators
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IFS=',' read -ra VALS_ARR <<< "$VALIDATORS"
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fqdn_suffix=$(echo $(hostname -f) | sed 's#[^.]*\.\(\)#\1#')
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for v in "${VALS_ARR[@]}"; do
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# wait until validator generates priv/pub key pair
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set +e
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curl -s "http://$v.$fqdn_suffix/pub_key.json" > /dev/null
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ERR=$?
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while [ "$ERR" != 0 ]; do
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sleep 5
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curl -s "http://$v.$fqdn_suffix/pub_key.json" > /dev/null
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ERR=$?
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done
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set -e
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# add validator to genesis file along with its pub_key
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curl -s "http://$v.$fqdn_suffix/pub_key.json" | jq ". as \$k | {pub_key: \$k, amount: $VALIDATOR_POWER, name: \"$v\"}" > pub_validator.json
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cat /tendermint/genesis.json | jq ".validators |= .+ [$(cat pub_validator.json)]" > /tendermint/genesis.json
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rm pub_validator.json
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done
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# construct seeds
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IFS=',' read -ra SEEDS_ARR <<< "$SEEDS"
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seeds=()
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for s in "${SEEDS_ARR[@]}"; do
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seeds+=("$s.$fqdn_suffix:46656")
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done
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seeds=$(IFS=','; echo "${seeds[*]}")
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tendermint node --seeds="$seeds" --moniker="`hostname`" --proxy_app="unix:///socks/app.sock"
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volumeMounts:
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- name: tmdir
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mountPath: /tendermint
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- mountPath: /etc/tendermint/genesis.json
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name: configdir
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subPath: genesis.json
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- name: socksdir
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mountPath: /socks
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- name: app
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imagePullPolicy: IfNotPresent
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image: YOUR_APP_IMAGE
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args: ["--addr=\"unix:///socks/app.sock\""]
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volumeMounts:
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- name: socksdir
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mountPath: /socks
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######## OR ########
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#
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# - name: app
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# imagePullPolicy: IfNotPresent
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# image: golang:1.7.5
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# resources:
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# requests:
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# cpu: YOUR_APP_CPU_REQ
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# memory: YOUR_APP_MEM_REQ
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# limits:
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# cpu: YOUR_APP_CPU_LIMIT
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# memory: YOUR_APP_MEM_LIMIT
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# command:
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# - bash
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# - "-c"
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# - |
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# set -ex
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# go get -d YOUR_APP_PACKAGE
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# cd $GOPATH/YOUR_APP_PACKAGE
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# make install
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#
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# rm -f /socks/app.sock # remove old socket
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# YOUR_APP_EXEC --addr="unix:///socks/app.sock"
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# volumeMounts:
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# - name: socksdir
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# mountPath: /socks
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######## OPTIONALLY ########
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#
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# - name: data
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# imagePullPolicy: IfNotPresent
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# image: golang:1.7.5
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# command:
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# - bash
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# - "-c"
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# - |
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# set -ex
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# go get github.com/tendermint/merkleeyes/cmd/merkleeyes
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# rm -f /socks/data.sock # remove old socket
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# merkleeyes server --address="unix:///socks/data.sock"
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# volumeMounts:
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# - name: socksdir
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# mountPath: /socks
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- name: pub-key
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imagePullPolicy: IfNotPresent
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image: nginx:1.11.9
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resources:
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requests:
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cpu: 10m
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memory: 12Mi
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limits:
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cpu: 20m
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memory: 24Mi
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ports:
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- containerPort: 80
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name: pub-key
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command:
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- bash
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- "-c"
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- |
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set -ex
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# fixes 403 Permission Denied (open() "/tendermint/pub_key.json" failed (13: Permission denied))
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# => we cannot serve from /tendermint, so we copy the file
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mkdir -p /usr/share/nginx
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cp /tendermint/pub_key.json /usr/share/nginx/pub_key.json
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nginx -g "daemon off;"
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volumeMounts:
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- name: tmdir
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mountPath: /tendermint
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- mountPath: /etc/nginx/conf.d/pub_key.conf
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name: configdir
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subPath: pub_key_nginx.conf
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volumes:
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- name: configdir
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configMap:
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name: tm-config
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- name: socksdir
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emptyDir: {}
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volumeClaimTemplates:
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- metadata:
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name: tmdir
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annotations:
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volume.alpha.kubernetes.io/storage-class: anything
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spec:
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accessModes: ["ReadWriteOnce"]
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resources:
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requests:
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storage: 2Gi
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