657e7937a9
- init_grafana_gitops_repo.sh : 初始化 grafana-as-code GitOps 仓库骨架 - install_tiny_monitor_server.sh : 一键安装 Prometheus + Grafana 12 (GitOps provisioning) - install_tiny_monitor_system.md : 使用说明文档
185 lines
7.3 KiB
Bash
185 lines
7.3 KiB
Bash
#!/usr/bin/env bash
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# Init/update a minimal Grafana GitOps skeleton under a subdir of an existing repo.
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# Example:
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# REMOTE="http://git.lan/ops/gitops.git" SUBDIR="grafana-as-code" MAKE_STAGE=1 bash init_grafana_gitops_repo.sh
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set -euo pipefail
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REMOTE="${REMOTE:-}"
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SUBDIR="${SUBDIR:-grafana-as-code}" # 子目录名
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MAKE_STAGE="${MAKE_STAGE:-0}" # 1 = 创建 stage 分支
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FORCE="${FORCE:-0}" # 1 = 允许覆盖已有非空内容/更新已有 dashboards symlink
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if [[ -z "$REMOTE" ]]; then
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echo "ERROR: Please set REMOTE (e.g. http://git.lan/ops/gitops.git)" >&2
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exit 1
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fi
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WORKDIR="$(mktemp -d -t grafana-gitops-XXXXXX)"
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cleanup() { rm -rf "$WORKDIR"; }
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trap cleanup EXIT
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echo "[1/7] Inspect remote: $REMOTE"
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HAS_REFS=0
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if git ls-remote "$REMOTE" >/dev/null 2>&1; then
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lines=$(git ls-remote "$REMOTE" | wc -l | tr -d ' ')
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[[ "$lines" -gt 0 ]] && HAS_REFS=1
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fi
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echo "[2/7] Prepare local working copy"
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REPO="$WORKDIR/repo"
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if [[ "$HAS_REFS" -eq 1 ]]; then
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# 已有分支：clone 默认分支
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git clone "$REMOTE" "$REPO"
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cd "$REPO"
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HEADBR="$(git remote show origin | sed -n 's/.*HEAD branch: //p')"
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[[ -n "$HEADBR" ]] || HEADBR="main"
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git checkout "$HEADBR" || git checkout -B main
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else
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# 空仓库或新建：本地 init 后再 push
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mkdir -p "$REPO"
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cd "$REPO"
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git init -b main
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git remote add origin "$REMOTE"
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fi
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echo "[3/7] Create skeleton under subdir: $SUBDIR"
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TARGET="$SUBDIR"
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DASH_DIR="$TARGET/dashboards/infra"
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DS_DIR="$TARGET/provisioning/datasources"
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if [[ -e "$TARGET" && -n "$(ls -A "$TARGET" 2>/dev/null || true)" && "$FORCE" != "1" ]]; then
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echo "ERROR: $TARGET already exists and is not empty. Set FORCE=1 to proceed." >&2
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exit 1
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fi
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mkdir -p "$DASH_DIR" "$DS_DIR"
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# 极简大盘
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cat >"$DASH_DIR/linux-node-proc-groups.json" <<'JSON'
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{
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"uid": "linux-node-proc-tiny",
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"title": "Linux Node + Proc Groups (Tiny)",
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"schemaVersion": 39,
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"tags": ["linux","tiny","node_exporter","textfile"],
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"time": {"from": "now-6h", "to": "now"},
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"templating": {
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"list": [
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{"name":"instance","type":"query","datasource":{"type":"prometheus","uid":"prometheus"},
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"query":"label_values(up, instance)","includeAll":false,"multi":false},
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{"name":"group","label":"proc group","type":"query","datasource":{"type":"prometheus","uid":"prometheus"},
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"query":"label_values(proc_group_memory_rss_bytes{instance=~\"$instance\"}, group)","includeAll":true,"multi":true}
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]
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},
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"panels": [
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{"type":"row","title":"System Overview","gridPos":{"h":1,"w":24,"x":0,"y":0}},
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{"type":"timeseries","title":"CPU Usage (%)","datasource":{"type":"prometheus","uid":"prometheus"},
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"fieldConfig":{"defaults":{"unit":"percent","min":0,"max":100}},
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"gridPos":{"h":8,"w":12,"x":0,"y":1},
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"targets":[{"refId":"A","expr":"100 - (avg by (instance)(irate(node_cpu_seconds_total{instance=~\"$instance\",mode=\"idle\"}[5m])) * 100)"}]},
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{"type":"timeseries","title":"Memory Used (GiB)","datasource":{"type":"prometheus","uid":"prometheus"},
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"fieldConfig":{"defaults":{"unit":"gibibytes"}},
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"gridPos":{"h":8,"w":12,"x":12,"y":1},
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"targets":[{"refId":"A","expr":"(node_memory_MemTotal_bytes{instance=~\"$instance\"} - node_memory_MemAvailable_bytes{instance=~\"$instance\"})"}]},
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{"type":"timeseries","title":"Network Throughput (B/s)","datasource":{"type":"prometheus","uid":"prometheus"},
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"fieldConfig":{"defaults":{"unit":"Bps"}},
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"gridPos":{"h":8,"w":24,"x":0,"y":9},
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"targets":[
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{"refId":"A","expr":"sum by (instance)(rate(node_network_receive_bytes_total{instance=~\"$instance\",device!~\"lo|veth.*|docker.*\"}[5m]))","legendFormat":"rx"},
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{"refId":"B","expr":"sum by (instance)(rate(node_network_transmit_bytes_total{instance=~\"$instance\",device!~\"lo|veth.*|docker.*\"}[5m]))","legendFormat":"tx"}]},
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{"type":"row","title":"Process Groups","gridPos":{"h":1,"w":24,"x":0,"y":17}},
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{"type":"table","title":"Top RSS by Group (MiB)","datasource":{"type":"prometheus","uid":"prometheus"},
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"fieldConfig":{"defaults":{"unit":"Mbytes"}},
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"gridPos":{"h":8,"w":12,"x":0,"y":18},
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"targets":[{"refId":"A","expr":"topk(10, sum by (group)(proc_group_memory_rss_bytes{instance=~\"$instance\"})/1024/1024)","legendFormat":"{{group}}"}]},
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{"type":"timeseries","title":"Group CPU (jiffies/s)","datasource":{"type":"prometheus","uid":"prometheus"},
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"gridPos":{"h":8,"w":12,"x":12,"y":18},
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"targets":[{"refId":"A","expr":"sum by (group)(rate(proc_group_cpu_jiffies_total{instance=~\"$instance\",group=~\"$group\"}[1m]))","legendFormat":"{{group}}"}]},
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{"type":"timeseries","title":"Group IO (B/s)","datasource":{"type":"prometheus","uid":"prometheus"},
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"fieldConfig":{"defaults":{"unit":"Bps"}},
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"gridPos":{"h":8,"w":24,"x":0,"y":26},
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"targets":[
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{"refId":"A","expr":"sum by (group)(rate(proc_group_io_read_bytes_total{instance=~\"$instance\",group=~\"$group\"}[1m]))","legendFormat":"{{group}} read"},
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{"refId":"B","expr":"sum by (group)(rate(proc_group_io_write_bytes_total{instance=~\"$instance\",group=~\"$group\"}[1m]))","legendFormat":"{{group}} write"}]}]}
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JSON
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# 数据源模板（使用 ${PROM_URL}）
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cat >"$DS_DIR/prometheus-ds.yaml" <<'YAML'
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apiVersion: 1
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datasources:
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- uid: prometheus
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name: Prometheus
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type: prometheus
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access: proxy
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url: ${PROM_URL}
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isDefault: true
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jsonData: { httpMethod: GET }
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YAML
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# 根目录放一个 dashboards -> 子目录 的软链，兼容你的安装脚本读取路径
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if [[ -e "dashboards" && ! -L "dashboards" ]]; then
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if [[ "$FORCE" != "1" ]]; then
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echo "WARN: ./dashboards exists and is not a symlink; skip creating link. Use FORCE=1 to replace." >&2
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else
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rm -rf dashboards
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ln -s "$SUBDIR/dashboards" dashboards
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fi
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elif [[ -L "dashboards" ]]; then
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CUR="$(readlink dashboards || true)"
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if [[ "$CUR" != "$SUBDIR/dashboards" ]]; then
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if [[ "$FORCE" == "1" ]]; then
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ln -sfn "$SUBDIR/dashboards" dashboards
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else
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echo "WARN: dashboards symlink points to '$CUR'; set FORCE=1 to repoint." >&2
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fi
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fi
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else
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ln -s "$SUBDIR/dashboards" dashboards
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fi
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# README（子目录）
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mkdir -p "$SUBDIR"
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cat >"$SUBDIR/README.md" <<MD
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# Grafana 12 GitOps (in $SUBDIR)
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- dashboards/infra/linux-node-proc-groups.json
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- provisioning/datasources/prometheus-ds.yaml (uses \${PROM_URL})
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- Root symlink: ../dashboards -> $SUBDIR/dashboards (for server provisioning compatibility)
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MD
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echo "[4/7] Optional JSON validation"
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if command -v jq >/dev/null 2>&1; then
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jq . <"$DASH_DIR/linux-node-proc-groups.json" >/dev/null
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else
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echo "jq not found; skip validation."
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fi
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echo "[5/7] Commit"
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git add -A
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git config user.name "gitops-init"
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git config user.email "gitops-init@git.lan"
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if git diff --cached --quiet; then
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echo "Nothing to commit."
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else
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git commit -m "init: grafana-as-code skeleton under ${SUBDIR}"
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fi
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echo "[6/7] Push main"
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git rev-parse --abbrev-ref HEAD >/dev/null 2>&1 || git checkout -B main
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git push -u origin HEAD:main
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if [[ "$MAKE_STAGE" == "1" ]]; then
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echo "[7/7] Create & push 'stage'"
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git checkout -B stage
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git push -u origin stage
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else
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echo "[7/7] Done (stage skipped; MAKE_STAGE=1 to create)."
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fi
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echo
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echo "Repo: ${REMOTE}"
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echo "Subdir: ${SUBDIR}"
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echo "Root symlink 'dashboards' -> '${SUBDIR}/dashboards' created (or left intact)."
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echo "You can now run install_tiny_monitor_server.sh with:"
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echo " GIT_URL=\"${REMOTE}\" sudo -E bash install_tiny_monitor_server.sh"
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